From cad5e9ffca70f4f5d3b486049088fd77dfa8f0ca Mon Sep 17 00:00:00 2001 From: Dean Camera Date: Sun, 20 Feb 2011 17:53:17 +0000 Subject: [PATCH] Added start of a port of the core USB driver code to the AVR32 UC3B architecture. --- LUFA.pnproj | 2 +- LUFA/Common/Architectures.h | 5 +- LUFA/Common/BoardTypes.h | 3 + LUFA/Common/Common.h | 11 + LUFA/Drivers/Board/Buttons.h | 2 + LUFA/Drivers/Board/EVK1101/Buttons.h | 103 +++ LUFA/Drivers/Board/EVK1101/Joystick.h | 120 +++ LUFA/Drivers/Board/EVK1101/LEDs.h | 137 +++ LUFA/Drivers/Board/EVK527/LEDs.h | 1 - LUFA/Drivers/Board/Joystick.h | 2 + LUFA/Drivers/Board/LEDs.h | 2 + LUFA/Drivers/USB/Core/AVR8/Endpoint.h | 37 +- LUFA/Drivers/USB/Core/AVR8/USBInterrupt.h | 38 +- LUFA/Drivers/USB/Core/Device.h | 2 + LUFA/Drivers/USB/Core/Endpoint.h | 2 + LUFA/Drivers/USB/Core/Host.h | 2 + LUFA/Drivers/USB/Core/OTG.h | 2 + LUFA/Drivers/USB/Core/Pipe.h | 2 + LUFA/Drivers/USB/Core/UC3B/Device.c | 53 ++ LUFA/Drivers/USB/Core/UC3B/Device.h | 226 +++++ LUFA/Drivers/USB/Core/UC3B/Endpoint.c | 178 ++++ LUFA/Drivers/USB/Core/UC3B/Endpoint.h | 889 +++++++++++++++++++ LUFA/Drivers/USB/Core/UC3B/Host.c | 355 ++++++++ LUFA/Drivers/USB/Core/UC3B/Host.h | 522 ++++++++++++ LUFA/Drivers/USB/Core/UC3B/OTG.h | 149 ++++ LUFA/Drivers/USB/Core/UC3B/Pipe.c | 193 +++++ LUFA/Drivers/USB/Core/UC3B/Pipe.h | 943 +++++++++++++++++++++ LUFA/Drivers/USB/Core/UC3B/USBController.c | 233 +++++ LUFA/Drivers/USB/Core/UC3B/USBController.h | 451 ++++++++++ LUFA/Drivers/USB/Core/UC3B/USBInterrupt.c | 269 ++++++ LUFA/Drivers/USB/Core/UC3B/USBInterrupt.h | 102 +++ LUFA/Drivers/USB/Core/USBController.h | 2 + LUFA/Drivers/USB/Core/USBInterrupt.h | 2 + LUFA/Drivers/USB/Core/USBMode.h | 12 + LUFA/ManPages/ChangeLog.txt | 1 + LUFA/ManPages/DeviceSupport.txt | 16 + 36 files changed, 5026 insertions(+), 43 deletions(-) create mode 100644 LUFA/Drivers/Board/EVK1101/Buttons.h create mode 100644 LUFA/Drivers/Board/EVK1101/Joystick.h create mode 100644 LUFA/Drivers/Board/EVK1101/LEDs.h create mode 100644 LUFA/Drivers/USB/Core/UC3B/Device.c create mode 100644 LUFA/Drivers/USB/Core/UC3B/Device.h create mode 100644 LUFA/Drivers/USB/Core/UC3B/Endpoint.c create mode 100644 LUFA/Drivers/USB/Core/UC3B/Endpoint.h create mode 100644 LUFA/Drivers/USB/Core/UC3B/Host.c create mode 100644 LUFA/Drivers/USB/Core/UC3B/Host.h create mode 100644 LUFA/Drivers/USB/Core/UC3B/OTG.h create mode 100644 LUFA/Drivers/USB/Core/UC3B/Pipe.c create mode 100644 LUFA/Drivers/USB/Core/UC3B/Pipe.h create mode 100644 LUFA/Drivers/USB/Core/UC3B/USBController.c create mode 100644 LUFA/Drivers/USB/Core/UC3B/USBController.h create mode 100644 LUFA/Drivers/USB/Core/UC3B/USBInterrupt.c create mode 100644 LUFA/Drivers/USB/Core/UC3B/USBInterrupt.h diff --git a/LUFA.pnproj b/LUFA.pnproj index 070f8f7b68..2df46223c1 100644 --- a/LUFA.pnproj +++ b/LUFA.pnproj @@ -1 +1 @@ - \ No newline at end of file + \ No newline at end of file diff --git a/LUFA/Common/Architectures.h b/LUFA/Common/Architectures.h index 85f0d39bdd..d34ad8cb88 100644 --- a/LUFA/Common/Architectures.h +++ b/LUFA/Common/Architectures.h @@ -62,8 +62,11 @@ /* Public Interface - May be used in end-application: */ /* Macros: */ /** Selects the Atmel 8-bit AVR (AT90USB* and ATMEGA*U* chips) architecture. */ - #define ARCH_AVR8 1 + #define ARCH_AVR8 0 + /** Selects the Atmel 32-bit UC3B AVR (AT32UC3B* chips) architecture. */ + #define ARCH_UC3B 1 + #if !defined(__DOXYGEN__) #define ARCH_ ARCH_AVR8 diff --git a/LUFA/Common/BoardTypes.h b/LUFA/Common/BoardTypes.h index 41dc490e14..2644685cd2 100644 --- a/LUFA/Common/BoardTypes.h +++ b/LUFA/Common/BoardTypes.h @@ -144,6 +144,9 @@ /** Selects the Sparkfun ATMEGA8U2 specific board drivers, including the driver for the board LEDs. */ #define BOARD_SPARKFUN8U2 26 + /** Selects the Atmel EVK1101 specific board drivers, including the Button, Joystick and LED drivers. */ + #define BOARD_EVK1101 27 + #if !defined(__DOXYGEN__) #define BOARD_ BOARD_NONE diff --git a/LUFA/Common/Common.h b/LUFA/Common/Common.h index 114f566b24..4efa27ecbc 100644 --- a/LUFA/Common/Common.h +++ b/LUFA/Common/Common.h @@ -67,6 +67,7 @@ #include #include #include + #include #include "Architectures.h" #include "Attributes.h" @@ -81,6 +82,16 @@ #include #include #include + + typedef uint8_t uintN_t; + typedef int8_t intN_t; + #elif (ARCH == ARCH_UC3B) + #include + + typedef uint32_t uintN_t; + typedef int32_t intN_t; + + #warning The UC3B architecture support is currently experimental and incomplete! #endif /* Public Interface - May be used in end-application: */ diff --git a/LUFA/Drivers/Board/Buttons.h b/LUFA/Drivers/Board/Buttons.h index 624ce24369..d768c2ee12 100644 --- a/LUFA/Drivers/Board/Buttons.h +++ b/LUFA/Drivers/Board/Buttons.h @@ -126,6 +126,8 @@ #include "MINIMUS/Buttons.h" #elif (BOARD == BOARD_MICROSIN162) #include "MICROSIN162/Buttons.h" + #elif (BOARD == BOARD_EVK1101) + #include "EVK1101/Buttons.h" #else #include "Board/Buttons.h" #endif diff --git a/LUFA/Drivers/Board/EVK1101/Buttons.h b/LUFA/Drivers/Board/EVK1101/Buttons.h new file mode 100644 index 0000000000..e76bc52d45 --- /dev/null +++ b/LUFA/Drivers/Board/EVK1101/Buttons.h @@ -0,0 +1,103 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2009. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, and distribute this software + and its documentation for any purpose and without fee is hereby + granted, provided that the above copyright notice appear in all + copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief Board specific Buttons driver header for the Atmel EVK1101. + * \copydetails Group_Buttons_EVK1101 + * + * \note This file should not be included directly. It is automatically included as needed by the Buttons driver + * dispatch header located in LUFA/Drivers/Board/Buttons.h. + */ + +/** \ingroup Group_Buttons + * \defgroup Group_Buttons_EVK1101 EVK1101 + * \brief Board specific Buttons driver header for the Atmel EVK1101. + * + * Board specific Buttons driver header for the Atmel EVK1101. + * + * @{ + */ + +#ifndef __BUTTONS_EVK1101_H__ +#define __BUTTONS_EVK1101_H__ + + /* Includes: */ + #include + #include + + #include "../../../Common/Common.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(INCLUDE_FROM_BUTTONS_H) + #error Do not include this file directly. Include LUFA/Drivers/Board/Buttons.h instead. + #endif + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Macros: */ + #define BUTTONS_PORT 1 + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** Mask of the first button on the board */ + #define BUTTONS_BUTTON1 (1UL << 2) + + /** Mask of the second button on the board */ + #define BUTTONS_BUTTON2 (1UL << 3) + + /* Inline Functions: */ + #if !defined(__DOXYGEN__) + static inline void Buttons_Init(void) + { + AVR32_GPIO.port[BUTTONS_PORT].gpers = (BUTTONS_BUTTON1 | BUTTONS_BUTTON2); + AVR32_GPIO.port[BUTTONS_PORT].puers = (BUTTONS_BUTTON1 | BUTTONS_BUTTON2); + } + + static inline uintN_t Buttons_GetStatus(void) ATTR_WARN_UNUSED_RESULT; + static inline uintN_t Buttons_GetStatus(void) + { + return (~(AVR32_GPIO.port[JOY_MOVE_PORT].pvr & (BUTTONS_BUTTON1 | BUTTONS_BUTTON2))); + } + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ diff --git a/LUFA/Drivers/Board/EVK1101/Joystick.h b/LUFA/Drivers/Board/EVK1101/Joystick.h new file mode 100644 index 0000000000..9bb7f6b8ad --- /dev/null +++ b/LUFA/Drivers/Board/EVK1101/Joystick.h @@ -0,0 +1,120 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2009. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, and distribute this software + and its documentation for any purpose and without fee is hereby + granted, provided that the above copyright notice appear in all + copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief Board specific joystick driver header for the Atmel EVK1101. + * \copydetails Group_Joystick_EVK1101 + * + * \note This file should not be included directly. It is automatically included as needed by the joystick driver + * dispatch header located in LUFA/Drivers/Board/Joystick.h. + */ + +/** \ingroup Group_Joystick + * \defgroup Group_Joystick_EVK1101 EVK1101 + * \brief Board specific joystick driver header for the Atmel EVK1101. + * + * Board specific joystick driver header for the Atmel EVK1101. + * + * @{ + */ + +#ifndef __JOYSTICK_EVK1101_H__ +#define __JOYSTICK_EVK1101_H__ + + /* Includes: */ + #include + + #include "../../../Common/Common.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(INCLUDE_FROM_JOYSTICK_H) + #error Do not include this file directly. Include LUFA/Drivers/Board/Joystick.h instead. + #endif + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Macros: */ + #define JOY_MOVE_PORT 1 + #define JOY_MOVE_MASK ((1 << 6) | (1 << 7) | (1 << 8) | (1 << 9)) + #define JOY_PRESS_PORT 0 + #define JOY_PRESS_MASK (1 << 13) + + #define JOY_SHIFT_LEFT 6 + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** Mask for the joystick being pushed in the left direction. */ + #define JOY_LEFT (1 << 1) + + /** Mask for the joystick being pushed in the right direction. */ + #define JOY_RIGHT (1 << 2) + + /** Mask for the joystick being pushed in the upward direction. */ + #define JOY_UP (1 << 3) + + /** Mask for the joystick being pushed in the downward direction. */ + #define JOY_DOWN (1 << 4) + + /** Mask for the joystick being pushed inward. */ + #define JOY_PRESS (1 << 7) + + /* Inline Functions: */ + #if !defined(__DOXYGEN__) + static inline void Joystick_Init(void) + { + AVR32_GPIO.port[JOY_MOVE_PORT].gpers = JOY_MOVE_MASK; + AVR32_GPIO.port[JOY_PRESS_PORT].gpers = JOY_PRESS_MASK; + + AVR32_GPIO.port[JOY_MOVE_PORT].puers = JOY_MOVE_MASK; + AVR32_GPIO.port[JOY_PRESS_PORT].puers = JOY_PRESS_MASK; + }; + + static inline uintN_t Joystick_GetStatus(void) ATTR_WARN_UNUSED_RESULT; + static inline uintN_t Joystick_GetStatus(void) + { + return (uintN_t)(~(((AVR32_GPIO.port[JOY_MOVE_PORT].pvr & JOY_MOVE_MASK) | + (AVR32_GPIO.port[JOY_PRESS_PORT].pvr & JOY_PRESS_MASK)) << JOY_SHIFT_LEFT)); + } + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ diff --git a/LUFA/Drivers/Board/EVK1101/LEDs.h b/LUFA/Drivers/Board/EVK1101/LEDs.h new file mode 100644 index 0000000000..5eeaa7a6cb --- /dev/null +++ b/LUFA/Drivers/Board/EVK1101/LEDs.h @@ -0,0 +1,137 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2009. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, and distribute this software + and its documentation for any purpose and without fee is hereby + granted, provided that the above copyright notice appear in all + copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief Board specific LED driver header for the Atmel EVK1101. + * \copydetails Group_LEDs_EVK1101 + * + * \note This file should not be included directly. It is automatically included as needed by the LEDs driver + * dispatch header located in LUFA/Drivers/Board/LEDs.h. + */ + +/** \ingroup Group_LEDs + * \defgroup Group_LEDs_EVK1101 EVK1101 + * \brief Board specific LED driver header for the Atmel EVK1101. + * + * Board specific LED driver header for the Atmel EVK1101. + * + * @{ + */ + +#ifndef __LEDS_EVK1101_H__ +#define __LEDS_EVK1101_H__ + + /* Includes: */ + #include + + #include "../../../Common/Common.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(INCLUDE_FROM_LEDS_H) + #error Do not include this file directly. Include LUFA/Drivers/Board/LEDS.h instead. + #endif + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Macros: */ + #define LEDS_PORT 0 + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** LED mask for the first LED on the board. */ + #define LEDS_LED1 (1UL << 7) + + /** LED mask for the second LED on the board. */ + #define LEDS_LED2 (1UL << 8) + + /** LED mask for the third LED on the board. */ + #define LEDS_LED3 (1UL << 21) + + /** LED mask for the fourth LED on the board. */ + #define LEDS_LED4 (1UL << 22) + + /** LED mask for all the LEDs on the board. */ + #define LEDS_ALL_LEDS (LEDS_LED1 | LEDS_LED2 | LEDS_LED3 | LEDS_LED4) + + /** LED mask for the none of the board LEDs */ + #define LEDS_NO_LEDS 0 + + /* Inline Functions: */ + #if !defined(__DOXYGEN__) + static inline void LEDs_Init(void) + { + AVR32_GPIO.port[LEDS_PORT].gpers = LEDS_ALL_LEDS; + AVR32_GPIO.port[LEDS_PORT].oders = LEDS_ALL_LEDS; + AVR32_GPIO.port[LEDS_PORT].ovrs = LEDS_ALL_LEDS; + } + + static inline void LEDs_TurnOnLEDs(const uintN_t LedMask) + { + AVR32_GPIO.port[LEDS_PORT].ovrc = LedMask; + } + + static inline void LEDs_TurnOffLEDs(const uintN_t LedMask) + { + AVR32_GPIO.port[LEDS_PORT].ovrs = LedMask; + } + + static inline void LEDs_SetAllLEDs(const uintN_t LedMask) + { + AVR32_GPIO.port[LEDS_PORT].ovrs = LEDS_ALL_LEDS; + AVR32_GPIO.port[LEDS_PORT].ovrc = LedMask; + } + + static inline void LEDs_ChangeLEDs(const uintN_t LedMask, const uintN_t ActiveMask) + { + AVR32_GPIO.port[LEDS_PORT].ovrs = LedMask; + AVR32_GPIO.port[LEDS_PORT].ovrc = ActiveMask; + } + + static inline uintN_t LEDs_GetLEDs(void) ATTR_WARN_UNUSED_RESULT; + static inline uintN_t LEDs_GetLEDs(void) + { + return (AVR32_GPIO.port[LEDS_PORT].ovr & LEDS_ALL_LEDS); + } + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ diff --git a/LUFA/Drivers/Board/EVK527/LEDs.h b/LUFA/Drivers/Board/EVK527/LEDs.h index f8bfc1289a..b7c9e979a1 100644 --- a/LUFA/Drivers/Board/EVK527/LEDs.h +++ b/LUFA/Drivers/Board/EVK527/LEDs.h @@ -127,4 +127,3 @@ #endif /** @} */ - diff --git a/LUFA/Drivers/Board/Joystick.h b/LUFA/Drivers/Board/Joystick.h index 21e5e922de..649b1285ab 100644 --- a/LUFA/Drivers/Board/Joystick.h +++ b/LUFA/Drivers/Board/Joystick.h @@ -114,6 +114,8 @@ #include "BUMBLEB/Joystick.h" #elif (BOARD == BOARD_EVK527) #include "EVK527/Joystick.h" + #elif (BOARD == BOARD_EVK1101) + #include "EVK1101/Joystick.h" #else #include "Board/Joystick.h" #endif diff --git a/LUFA/Drivers/Board/LEDs.h b/LUFA/Drivers/Board/LEDs.h index 2a74de72e1..3b250c01fa 100644 --- a/LUFA/Drivers/Board/LEDs.h +++ b/LUFA/Drivers/Board/LEDs.h @@ -166,6 +166,8 @@ #include "MICROSIN162/LEDs.h" #elif (BOARD == BOARD_SPARKFUN8U2) #include "SPARKFUN8U2/LEDs.h" + #elif (BOARD == BOARD_EVK1101) + #include "EVK1101/LEDs.h" #else #include "Board/LEDs.h" #endif diff --git a/LUFA/Drivers/USB/Core/AVR8/Endpoint.h b/LUFA/Drivers/USB/Core/AVR8/Endpoint.h index d57b32f580..ea13a6db09 100644 --- a/LUFA/Drivers/USB/Core/AVR8/Endpoint.h +++ b/LUFA/Drivers/USB/Core/AVR8/Endpoint.h @@ -197,11 +197,6 @@ */ #define ENDPOINT_EPDIR_MASK 0x80 - /** Endpoint bank size mask, for masking against endpoint addresses to retrieve the endpoint's - * bank size in the device. - */ - #define ENDPOINT_EPSIZE_MASK 0x7F - /** Retrives the maximum bank size in bytes of a given endpoint. * * \note This macro will only work correctly on endpoint indexes that are compile-time constants @@ -306,7 +301,7 @@ const uint16_t Size, const uint8_t Banks) { - return Endpoint_ConfigureEndpoint_Prv(Number, (((Type) << EPTYPE0) | (Direction)), + return Endpoint_ConfigureEndpoint_Prv(Number, ((Type << EPTYPE0) | Direction), ((1 << ALLOC) | Banks | Endpoint_BytesToEPSizeMask(Size))); } @@ -406,6 +401,19 @@ return ((UECONX & (1 << EPEN)) ? true : false); } + /** Retrieves the number of busy banks in the currently selected endpoint, which have been queued for + * transmission via the \ref Endpoint_ClearIN() command, or are awaiting acknowledgement via the + * \ref Endpoint_ClearOUT() command. + * + * \ingroup Group_EndpointPacketManagement_AVR8 + * + * \return Total number of busy banks in the selected endpoint. + */ + static inline uint8_t Endpoint_GetBusyBanks(void) + { + return (UESTA0X & (0x03 << NBUSYBK0)); + } + /** Aborts all pending IN transactions on the currently selected endpoint, once the bank * has been queued for transmission to the host via \ref Endpoint_ClearIN(). This function * will terminate all queued transactions, resetting the endpoint banks ready for a new @@ -415,25 +423,12 @@ */ static inline void Endpoint_AbortPendingIN(void) { - while (UESTA0X & (0x03 << NBUSYBK0)) + while (Endpoint_GetBusyBanks() != 0) { UEINTX |= (1 << RXOUTI); while (UEINTX & (1 << RXOUTI)); } } - - /** Retrieves the number of busy banks in the currently selected endpoint, which have been queued for - * transmission via the \ref Endpoint_ClearIN() command, or are awaiting acknowledgement via the - * \ref Endpoint_ClearOUT() command. - * - * \ingroup Group_EndpointPacketManagement_AVR8 - * - * \return Total number of busy banks in the selected endpoint. - */ - static inline uint8_t Endpoint_GetBusyBanks(void) - { - return (UESTA0X & (0x03 << NBUSYBK0)); - } /** Determines if the currently selected endpoint may be read from (if data is waiting in the endpoint * bank and the endpoint is an OUT direction, or if the bank is not yet full if the endpoint is an IN @@ -484,7 +479,7 @@ static inline bool Endpoint_HasEndpointInterrupted(const uint8_t EndpointNumber) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline bool Endpoint_HasEndpointInterrupted(const uint8_t EndpointNumber) { - return ((UEINT & (1 << EndpointNumber)) ? true : false); + return ((Endpoint_GetEndpointInterrupts() & (1 << EndpointNumber)) ? true : false); } /** Determines if the selected IN endpoint is ready for a new packet to be sent to the host. diff --git a/LUFA/Drivers/USB/Core/AVR8/USBInterrupt.h b/LUFA/Drivers/USB/Core/AVR8/USBInterrupt.h index c681f86fb4..940fa195ed 100644 --- a/LUFA/Drivers/USB/Core/AVR8/USBInterrupt.h +++ b/LUFA/Drivers/USB/Core/AVR8/USBInterrupt.h @@ -57,31 +57,31 @@ /* Private Interface - For use in library only: */ #if !defined(__DOXYGEN__) /* Macros: */ - #define USB_INT_Enable(int) MACROS{ USB_INT_GET_EN_REG(int) |= USB_INT_GET_EN_MASK(int); }MACROE - #define USB_INT_Disable(int) MACROS{ USB_INT_GET_EN_REG(int) &= ~(USB_INT_GET_EN_MASK(int)); }MACROE - #define USB_INT_Clear(int) MACROS{ USB_INT_GET_INT_REG(int) &= ~(USB_INT_GET_INT_MASK(int)); }MACROE - #define USB_INT_IsEnabled(int) ((USB_INT_GET_EN_REG(int) & USB_INT_GET_EN_MASK(int)) ? true : false) - #define USB_INT_HasOccurred(int) ((USB_INT_GET_INT_REG(int) & USB_INT_GET_INT_MASK(int)) ? true : false) + #define USB_INT_Enable(int) MACROS{ USB_INT_GET_EN_REG(int) |= USB_INT_GET_EN_MASK(int); }MACROE + #define USB_INT_Disable(int) MACROS{ USB_INT_GET_EN_REG(int) &= ~(USB_INT_GET_EN_MASK(int)); }MACROE + #define USB_INT_Clear(int) MACROS{ USB_INT_GET_INT_REG(int) &= ~(USB_INT_GET_INT_MASK(int)); }MACROE + #define USB_INT_IsEnabled(int) ((USB_INT_GET_EN_REG(int) & USB_INT_GET_EN_MASK(int)) ? true : false) + #define USB_INT_HasOccurred(int) ((USB_INT_GET_INT_REG(int) & USB_INT_GET_INT_MASK(int)) ? true : false) #define USB_INT_GET_EN_REG(EnableReg, EnableMask, FlagReg, FlagMask) EnableReg #define USB_INT_GET_EN_MASK(EnableReg, EnableMask, FlagReg, FlagMask) EnableMask #define USB_INT_GET_INT_REG(EnableReg, EnableMask, FlagReg, FlagMask) FlagReg #define USB_INT_GET_INT_MASK(EnableReg, EnableMask, FlagReg, FlagMask) FlagMask - #define USB_INT_VBUS USBCON, (1 << VBUSTE) , USBINT, (1 << VBUSTI) - #define USB_INT_IDTI USBCON, (1 << IDTE) , USBINT, (1 << IDTI) - #define USB_INT_WAKEUPI UDIEN , (1 << WAKEUPE), UDINT , (1 << WAKEUPI) - #define USB_INT_SUSPI UDIEN , (1 << SUSPE) , UDINT , (1 << SUSPI) - #define USB_INT_EORSTI UDIEN , (1 << EORSTE) , UDINT , (1 << EORSTI) - #define USB_INT_DCONNI UHIEN , (1 << DCONNE) , UHINT , (1 << DCONNI) - #define USB_INT_DDISCI UHIEN , (1 << DDISCE) , UHINT , (1 << DDISCI) - #define USB_INT_BCERRI OTGIEN, (1 << BCERRE) , OTGINT, (1 << BCERRI) - #define USB_INT_VBERRI OTGIEN, (1 << VBERRE) , OTGINT, (1 << VBERRI) - #define USB_INT_SOFI UDIEN, (1 << SOFE) , UDINT , (1 << SOFI) - #define USB_INT_HSOFI UHIEN, (1 << HSOFE) , UHINT , (1 << HSOFI) - #define USB_INT_RSTI UHIEN , (1 << RSTE) , UHINT , (1 << RSTI) - #define USB_INT_SRPI OTGIEN, (1 << SRPE) , OTGINT, (1 << SRPI) - #define USB_INT_RXSTPI UEIENX, (1 << RXSTPE) , UEINTX, (1 << RXSTPI) + #define USB_INT_VBUS USBCON, (1 << VBUSTE) , USBINT, (1 << VBUSTI) + #define USB_INT_IDTI USBCON, (1 << IDTE) , USBINT, (1 << IDTI) + #define USB_INT_WAKEUPI UDIEN , (1 << WAKEUPE), UDINT , (1 << WAKEUPI) + #define USB_INT_SUSPI UDIEN , (1 << SUSPE) , UDINT , (1 << SUSPI) + #define USB_INT_EORSTI UDIEN , (1 << EORSTE) , UDINT , (1 << EORSTI) + #define USB_INT_DCONNI UHIEN , (1 << DCONNE) , UHINT , (1 << DCONNI) + #define USB_INT_DDISCI UHIEN , (1 << DDISCE) , UHINT , (1 << DDISCI) + #define USB_INT_BCERRI OTGIEN, (1 << BCERRE) , OTGINT, (1 << BCERRI) + #define USB_INT_VBERRI OTGIEN, (1 << VBERRE) , OTGINT, (1 << VBERRI) + #define USB_INT_SOFI UDIEN, (1 << SOFE) , UDINT , (1 << SOFI) + #define USB_INT_HSOFI UHIEN, (1 << HSOFE) , UHINT , (1 << HSOFI) + #define USB_INT_RSTI UHIEN , (1 << RSTE) , UHINT , (1 << RSTI) + #define USB_INT_SRPI OTGIEN, (1 << SRPE) , OTGINT, (1 << SRPI) + #define USB_INT_RXSTPI UEIENX, (1 << RXSTPE) , UEINTX, (1 << RXSTPI) /* Includes: */ #include "../USBMode.h" diff --git a/LUFA/Drivers/USB/Core/Device.h b/LUFA/Drivers/USB/Core/Device.h index 84ed43fada..8de719d7c2 100644 --- a/LUFA/Drivers/USB/Core/Device.h +++ b/LUFA/Drivers/USB/Core/Device.h @@ -57,6 +57,8 @@ #if (ARCH == ARCH_AVR8) #include "AVR8/Device.h" + #elif (ARCH == ARCH_UC3B) + #include "UC3B/Device.h" #endif /* Preprocessor Checks: */ diff --git a/LUFA/Drivers/USB/Core/Endpoint.h b/LUFA/Drivers/USB/Core/Endpoint.h index 958d04181c..20754ebfc1 100644 --- a/LUFA/Drivers/USB/Core/Endpoint.h +++ b/LUFA/Drivers/USB/Core/Endpoint.h @@ -77,6 +77,8 @@ #if (ARCH == ARCH_AVR8) #include "AVR8/Endpoint.h" + #elif (ARCH == ARCH_UC3B) + #include "UC3B/Endpoint.h" #endif /* Preprocessor Checks: */ diff --git a/LUFA/Drivers/USB/Core/Host.h b/LUFA/Drivers/USB/Core/Host.h index 7e83102fe6..32c27ce223 100644 --- a/LUFA/Drivers/USB/Core/Host.h +++ b/LUFA/Drivers/USB/Core/Host.h @@ -54,6 +54,8 @@ #if (ARCH == ARCH_AVR8) #include "AVR8/Host.h" + #elif (ARCH == ARCH_UC3B) + #include "UC3B/Host.h" #endif /* Preprocessor Checks: */ diff --git a/LUFA/Drivers/USB/Core/OTG.h b/LUFA/Drivers/USB/Core/OTG.h index 26b649ba76..f50d618fdb 100644 --- a/LUFA/Drivers/USB/Core/OTG.h +++ b/LUFA/Drivers/USB/Core/OTG.h @@ -55,6 +55,8 @@ #if (ARCH == ARCH_AVR8) #include "AVR8/OTG.h" + #elif (ARCH == ARCH_UC3B) + #include "UC3B/OTG.h" #endif /* Preprocessor Checks: */ diff --git a/LUFA/Drivers/USB/Core/Pipe.h b/LUFA/Drivers/USB/Core/Pipe.h index 6ab8fc2708..2769aafdc9 100644 --- a/LUFA/Drivers/USB/Core/Pipe.h +++ b/LUFA/Drivers/USB/Core/Pipe.h @@ -87,6 +87,8 @@ #if (ARCH == ARCH_AVR8) #include "AVR8/Pipe.h" + #elif (ARCH == ARCH_UC3B) + #include "UC3B/Pipe.h" #endif /* Preprocessor Checks: */ diff --git a/LUFA/Drivers/USB/Core/UC3B/Device.c b/LUFA/Drivers/USB/Core/UC3B/Device.c new file mode 100644 index 0000000000..ab24b0638d --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3B/Device.c @@ -0,0 +1,53 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#define __INCLUDE_FROM_USB_DRIVER +#include "../USBMode.h" + +#if defined(USB_CAN_BE_DEVICE) + +#include "Device.h" + +void USB_Device_SendRemoteWakeup(void) +{ + if (!(USB_Options & USB_OPT_MANUAL_PLL)) + { + USB_PLL_On(); + while (!(USB_PLL_IsReady())); + } + + USB_CLK_Unfreeze(); + + AVR32_USBB.UDCON |= (1 << RMWKUP); + while (!(AVR32_USBB.UDCON & (1 << RMWKUP))); +} + +#endif + diff --git a/LUFA/Drivers/USB/Core/UC3B/Device.h b/LUFA/Drivers/USB/Core/UC3B/Device.h new file mode 100644 index 0000000000..d68b6e893d --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3B/Device.h @@ -0,0 +1,226 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB Device definitions for the AVR32 UC3B microcontrollers. + * \copydetails Group_Device_UC3B + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_Device + * \defgroup Group_Device_UC3B Device Management (UC3B) + * \brief USB Device definitions for the AVR32 UC3B microcontrollers. + * + * Architecture specific USB Device definitions for the Atmel 32-bit UC3B AVR microcontrollers. + * + * @{ + */ + +#ifndef __USBDEVICE_UC3B_H__ +#define __USBDEVICE_UC3B_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + #include "../StdDescriptors.h" + #include "../USBInterrupt.h" + #include "../Endpoint.h" + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + #if (defined(USE_RAM_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS)) + #error USE_RAM_DESCRIPTORS and USE_EEPROM_DESCRIPTORS are mutually exclusive. + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** \name USB Device Mode Option Masks */ + //@{ + #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) || defined(__DOXYGEN__) + /** Mask for the Options parameter of the \ref USB_Init() function. This indicates that the + * USB interface should be initialized in low speed (1.5Mb/s) mode. + * + * \note Low Speed mode is not available on all USB AVR models. + * \n + * + * \note Restrictions apply on the number, size and type of endpoints which can be used + * when running in low speed mode - refer to the USB 2.0 specification. + */ + #define USB_DEVICE_OPT_LOWSPEED (1 << 0) + #endif + + /** Mask for the Options parameter of the \ref USB_Init() function. This indicates that the + * USB interface should be initialized in full speed (12Mb/s) mode. + */ + #define USB_DEVICE_OPT_FULLSPEED (0 << 0) + //@} + + #if (!defined(NO_INTERNAL_SERIAL) && \ + (defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1287__) || \ + defined(__AVR_ATmega32U6__) || defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__) || \ + defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega8U2__))) + /** String descriptor index for the device's unique serial number string descriptor within the device. + * This unique serial number is used by the host to associate resources to the device (such as drivers or COM port + * number allocations) to a device regardless of the port it is plugged in to on the host. Some USB AVRs contain + * a unique serial number internally, and setting the device descriptors serial number string index to this value + * will cause it to use the internal serial number. + * + * On unsupported devices, this will evaluate to NO_DESCRIPTOR and so will force the host to create a pseudo-serial + * number for the device. + */ + #define USE_INTERNAL_SERIAL 0xDC + #else + #define USE_INTERNAL_SERIAL NO_DESCRIPTOR + #endif + + /* Function Prototypes: */ + /** Sends a Remote Wakeup request to the host. This signals to the host that the device should + * be taken out of suspended mode, and communications should resume. + * + * Typically, this is implemented so that HID devices (mice, keyboards, etc.) can wake up the + * host computer when the host has suspended all USB devices to enter a low power state. + * + * \note This macro should only be used if the device has indicated to the host that it + * supports the Remote Wakeup feature in the device descriptors, and should only be + * issued if the host is currently allowing remote wakeup events from the device (i.e., + * the \ref USB_RemoteWakeupEnabled flag is set). When the \c NO_DEVICE_REMOTE_WAKEUP compile + * time option is used, this macro is unavailable. + * \n\n + * + * \note The USB clock must be running for this function to operate. If the stack is initialized with + * the \ref USB_OPT_MANUAL_PLL option enabled, the user must ensure that the PLL is running + * before attempting to call this function. + * + * \see \ref Group_StdDescriptors for more information on the RMWAKEUP feature and device descriptors. + */ + void USB_Device_SendRemoteWakeup(void); + + /* Type Defines: */ + enum USB_Device_States_t + { + DEVICE_STATE_Unattached = 0, /**< Internally implemented by the library. This state indicates + * that the device is not currently connected to a host. + */ + DEVICE_STATE_Powered = 1, /**< Internally implemented by the library. This state indicates + * that the device is connected to a host, but enumeration has not + * yet begun. + */ + DEVICE_STATE_Default = 2, /**< Internally implemented by the library. This state indicates + * that the device's USB bus has been reset by the host and it is + * now waiting for the host to begin the enumeration process. + */ + DEVICE_STATE_Addressed = 3, /**< Internally implemented by the library. This state indicates + * that the device has been addressed by the USB Host, but is not + * yet configured. + */ + DEVICE_STATE_Configured = 4, /**< May be implemented by the user project. This state indicates + * that the device has been enumerated by the host and is ready + * for USB communications to begin. + */ + DEVICE_STATE_Suspended = 5, /**< May be implemented by the user project. This state indicates + * that the USB bus has been suspended by the host, and the device + * should power down to a minimal power level until the bus is + * resumed. + */ + }; + + /* Inline Functions: */ + /** Returns the current USB frame number, when in device mode. Every millisecond the USB bus is active (i.e. enumerated to a host) + * the frame number is incremented by one. + */ + static inline uint16_t USB_Device_GetFrameNumber(void) + { + return AVR32_USBB.UDFNUM.fnum; + } + + #if !defined(NO_SOF_EVENTS) + /** Enables the device mode Start Of Frame events. When enabled, this causes the + * \ref EVENT_USB_Device_StartOfFrame() event to fire once per millisecond, synchronized to the USB bus, + * at the start of each USB frame when enumerated in device mode. + * + * \note Not available when the \c NO_SOF_EVENTS compile time token is defined. + */ + static inline void USB_Device_EnableSOFEvents(void) ATTR_ALWAYS_INLINE; + static inline void USB_Device_EnableSOFEvents(void) + { + USB_INT_Enable(USB_INT_SOFI); + } + + /** Disables the device mode Start Of Frame events. When disabled, this stops the firing of the + * \ref EVENT_USB_Device_StartOfFrame() event when enumerated in device mode. + * + * \note Not available when the \c NO_SOF_EVENTS compile time token is defined. + */ + static inline void USB_Device_DisableSOFEvents(void) ATTR_ALWAYS_INLINE; + static inline void USB_Device_DisableSOFEvents(void) + { + USB_INT_Disable(USB_INT_SOFI); + } + #endif + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Inline Functions: */ + #if (defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)) + static inline void USB_Device_SetLowSpeed(void) ATTR_ALWAYS_INLINE; + static inline void USB_Device_SetLowSpeed(void) + { + AVR32_USBB.UDCON.ls = true; + } + + static inline void USB_Device_SetFullSpeed(void) ATTR_ALWAYS_INLINE; + static inline void USB_Device_SetFullSpeed(void) + { + AVR32_USBB.UDCON.ls = false; + } + #endif + + static inline void USB_Device_SetDeviceAddress(const uint8_t Address) ATTR_ALWAYS_INLINE; + static inline void USB_Device_SetDeviceAddress(const uint8_t Address) + { + AVR32_USBB.UDCON = (AVR32_USBB_UDCON & ~AVR32_USBB_UDADDR) | Address; + AVR32_USBB.UDCON.adden = true; + } + + static inline bool USB_Device_IsAddressSet(void) ATTR_ALWAYS_INLINE; + static inline bool USB_Device_IsAddressSet(void) + { + return AVR32_USBB.UDCON.adden; + } + #endif + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/Core/UC3B/Endpoint.c b/LUFA/Drivers/USB/Core/UC3B/Endpoint.c new file mode 100644 index 0000000000..a479b43b85 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3B/Endpoint.c @@ -0,0 +1,178 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#define __INCLUDE_FROM_USB_DRIVER +#include "../USBMode.h" + +#if defined(USB_CAN_BE_DEVICE) + +#include "Endpoint.h" + +#if !defined(FIXED_CONTROL_ENDPOINT_SIZE) +uint8_t USB_ControlEndpointSize = ENDPOINT_CONTROLEP_DEFAULT_SIZE; +#endif + +uint8_t USB_SelectedEndpoint = ENDPOINT_CONTROLEP; + +bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number, + const uint32_t UECFGXData) +{ +#if defined(CONTROL_ONLY_DEVICE) || defined(ORDERED_EP_CONFIG) + Endpoint_SelectEndpoint(Number); + Endpoint_EnableEndpoint(); + + *((uint32_t*)AVR32_USBB_UECFG0)[USB_SelectedEndpoint] = 0; + *((uint32_t*)AVR32_USBB_UECFG0)[USB_SelectedEndpoint] = UECFGXData; + + return Endpoint_IsConfigured(); +#else + for (uint8_t EPNum = Number; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++) + { + uint32_t UECFGXTemp; + uint32_t UEIENXTemp; + + Endpoint_SelectEndpoint(EPNum); + + if (EPNum == Number) + { + UECFGXTemp = UECFGXData; + UEIENXTemp = 0; + } + else + { + UECFGXTemp = *((uint32_t*)AVR32_USBB_UECFG0)[EPNum]; + UEIENXTemp = *((uint32_t*)AVR32_USBB_UEINT0)[EPNum]; + } + + if (!(UECFGXTemp & AVR32_USBB_ALLOC)) + continue; + + Endpoint_DisableEndpoint(); + *((uint32_t*)AVR32_USBB_UECFG0)[USB_SelectedEndpoint] &= ~AVR32_USBB_ALLOC; + + Endpoint_EnableEndpoint(); + *((uint32_t*)AVR32_USBB_UECFG0)[EPNum] = UECFGXTemp; + *((uint32_t*)AVR32_USBB_UEINT0)[EPNum] = UEINTXTemp; + + if (!(Endpoint_IsConfigured())) + return false; + } + + Endpoint_SelectEndpoint(Number); + return true; +#endif +} + +void Endpoint_ClearEndpoints(void) +{ + UEINT = 0; + + for (uint8_t EPNum = 0; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++) + { + Endpoint_SelectEndpoint(EPNum); + UEIENX = 0; + UEINTX = 0; + UECFG1X = 0; + Endpoint_DisableEndpoint(); + } +} + +void Endpoint_ClearStatusStage(void) +{ + if (USB_ControlRequest.bmRequestType & REQDIR_DEVICETOHOST) + { + while (!(Endpoint_IsOUTReceived())) + { + if (USB_DeviceState == DEVICE_STATE_Unattached) + return; + } + + Endpoint_ClearOUT(); + } + else + { + while (!(Endpoint_IsINReady())) + { + if (USB_DeviceState == DEVICE_STATE_Unattached) + return; + } + + Endpoint_ClearIN(); + } +} + +#if !defined(CONTROL_ONLY_DEVICE) +uint8_t Endpoint_WaitUntilReady(void) +{ + #if (USB_STREAM_TIMEOUT_MS < 0xFF) + uint8_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; + #else + uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; + #endif + + uint16_t PreviousFrameNumber = USB_Device_GetFrameNumber(); + + for (;;) + { + if (Endpoint_GetEndpointDirection() == ENDPOINT_DIR_IN) + { + if (Endpoint_IsINReady()) + return ENDPOINT_READYWAIT_NoError; + } + else + { + if (Endpoint_IsOUTReceived()) + return ENDPOINT_READYWAIT_NoError; + } + + uint8_t USB_DeviceState_LCL = USB_DeviceState; + + if (USB_DeviceState_LCL == DEVICE_STATE_Unattached) + return ENDPOINT_READYWAIT_DeviceDisconnected; + else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended) + return ENDPOINT_READYWAIT_BusSuspended; + else if (Endpoint_IsStalled()) + return ENDPOINT_READYWAIT_EndpointStalled; + + uint16_t CurrentFrameNumber = USB_Device_GetFrameNumber(); + + if (CurrentFrameNumber != PreviousFrameNumber) + { + PreviousFrameNumber = CurrentFrameNumber; + + if (!(TimeoutMSRem--)) + return ENDPOINT_READYWAIT_Timeout; + } + } +} +#endif + +#endif + diff --git a/LUFA/Drivers/USB/Core/UC3B/Endpoint.h b/LUFA/Drivers/USB/Core/UC3B/Endpoint.h new file mode 100644 index 0000000000..e0fee630b0 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3B/Endpoint.h @@ -0,0 +1,889 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB Endpoint definitions for the UC3B microcontrollers. + * \copydetails Group_EndpointManagement_UC3B + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_EndpointRW + * \defgroup Group_EndpointRW_UC3B Endpoint Data Reading and Writing (UC3B) + * \brief Endpoint data read/write definitions for the Atmel AVR32 UC3B architecture. + * + * Functions, macros, variables, enums and types related to data reading and writing from and to endpoints. + */ + +/** \ingroup Group_EndpointPrimitiveRW + * \defgroup Group_EndpointPrimitiveRW_UC3B Read/Write of Primitive Data Types (UC3B) + * \brief Endpoint primative read/write definitions for the Atmel UC3B architecture. + * + * Functions, macros, variables, enums and types related to data reading and writing of primitive data types + * from and to endpoints. + */ + +/** \ingroup Group_EndpointPacketManagement + * \defgroup Group_EndpointPacketManagement_UC3B Endpoint Packet Management (UC3B) + * \brief Endpoint packet management definitions for the Atmel UC3B architecture. + * + * Functions, macros, variables, enums and types related to packet management of endpoints. + */ + +/** \ingroup Group_EndpointManagement + * \defgroup Group_EndpointManagement_UC3B Endpoint Management (UC3B) + * \brief Endpoint management definitions for the Atmel UC3B architecture. + * + * Functions, macros and enums related to endpoint management when in USB Device mode. This + * module contains the endpoint management macros, as well as endpoint interrupt and data + * send/receive functions for various data types. + * + * @{ + */ + +#ifndef __ENDPOINT_UC3B_H__ +#define __ENDPOINT_UC3B_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + #include "../USBTask.h" + #include "../USBInterrupt.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Macros: */ + #define _ENDPOINT_GET_MAXSIZE(EPIndex) _ENDPOINT_GET_MAXSIZE2(ENDPOINT_DETAILS_EP ## EPIndex) + #define _ENDPOINT_GET_MAXSIZE2(EPDetails) _ENDPOINT_GET_MAXSIZE3(EPDetails) + #define _ENDPOINT_GET_MAXSIZE3(MaxSize, Banks) (MaxSize) + + #define _ENDPOINT_GET_BANKS(EPIndex) _ENDPOINT_GET_BANKS2(ENDPOINT_DETAILS_EP ## EPIndex) + #define _ENDPOINT_GET_BANKS2(EPDetails) _ENDPOINT_GET_BANKS3(EPDetails) + #define _ENDPOINT_GET_BANKS3(MaxSize, Banks) (Banks) + + #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) + #define ENDPOINT_DETAILS_MAXEP 7 + + #define ENDPOINT_DETAILS_EP0 64, 2 + #define ENDPOINT_DETAILS_EP1 256, 2 + #define ENDPOINT_DETAILS_EP2 64, 2 + #define ENDPOINT_DETAILS_EP3 64, 2 + #define ENDPOINT_DETAILS_EP4 64, 2 + #define ENDPOINT_DETAILS_EP5 64, 2 + #define ENDPOINT_DETAILS_EP6 64, 2 + #else + #define ENDPOINT_DETAILS_MAXEP 5 + + #define ENDPOINT_DETAILS_EP0 64, 2 + #define ENDPOINT_DETAILS_EP1 64, 1 + #define ENDPOINT_DETAILS_EP2 64, 1 + #define ENDPOINT_DETAILS_EP3 64, 2 + #define ENDPOINT_DETAILS_EP4 64, 2 + #endif + + /* Inline Functions: */ + static inline uint8_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST + ATTR_ALWAYS_INLINE; + static inline uint8_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) + { + uint8_t MaskVal = 0; + uint16_t CheckBytes = 8; + + while (CheckBytes < Bytes) + { + MaskVal++; + CheckBytes <<= 1; + } + + return (MaskVal << AVR32_USBB_EPSIZE_OFFSET); + } + + /* Function Prototypes: */ + void Endpoint_ClearEndpoints(void); + bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number, + const uint32_t UECFGXData); + + /* External Variables: */ + extern uint8_t USB_SelectedEndpoint; + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** \name Endpoint Direction Masks */ + //@{ + /** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint + * should be initialized in the OUT direction - i.e. data flows from host to device. + */ + #define ENDPOINT_DIR_OUT (0 << AVR32_USBB_UECFG0_EPDIR_OFFSET) + + /** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint + * should be initialized in the IN direction - i.e. data flows from device to host. + */ + #define ENDPOINT_DIR_IN (1 << AVR32_USBB_UECFG0_EPDIR_OFFSET) + //@} + + /** \name Endpoint Bank Mode Masks */ + //@{ + /** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates + * that the endpoint should have one single bank, which requires less USB FIFO memory but results + * in slower transfers as only one USB device (the AVR or the host) can access the endpoint's + * bank at the one time. + */ + #define ENDPOINT_BANK_SINGLE (0 << AVR32_USBB_UECFG0_EPBK0_OFFSET) + + /** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates + * that the endpoint should have two banks, which requires more USB FIFO memory but results + * in faster transfers as one USB device (the AVR or the host) can access one bank while the other + * accesses the second bank. + */ + #define ENDPOINT_BANK_DOUBLE (1 << AVR32_USBB_UECFG0_EPBK0_OFFSET) + + /** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates + * that the endpoint should have three banks, which requires more USB FIFO memory but results + * in faster transfers as one USB device (the AVR or the host) can access one bank while the other + * accesses the remaining banks. + */ + #define ENDPOINT_BANK_TRIPLE (2 << AVR32_USBB_UECFG0_EPBK0_OFFSET) + //@} + + /** Endpoint address for the default control endpoint, which always resides in address 0. This is + * defined for convenience to give more readable code when used with the endpoint macros. + */ + #define ENDPOINT_CONTROLEP 0 + + #if (!defined(FIXED_CONTROL_ENDPOINT_SIZE) || defined(__DOXYGEN__)) + /** Default size of the default control endpoint's bank, until altered by the control endpoint bank size + * value in the device descriptor. Not available if the \c FIXED_CONTROL_ENDPOINT_SIZE token is defined. + */ + #define ENDPOINT_CONTROLEP_DEFAULT_SIZE 8 + #endif + + /** Endpoint number mask, for masking against endpoint addresses to retrieve the endpoint's + * numerical address in the device. + */ + #define ENDPOINT_EPNUM_MASK 0x07 + + /** Endpoint direction mask, for masking against endpoint addresses to retrieve the endpoint's + * direction for comparing with the \c ENDPOINT_DESCRIPTOR_DIR_* masks. + */ + #define ENDPOINT_EPDIR_MASK 0x80 + + /** Retrives the maximum bank size in bytes of a given endpoint. + * + * \note This macro will only work correctly on endpoint indexes that are compile-time constants + * defined by the preprocessor. + * + * \param[in] EPIndex Endpoint number, a value between 0 and (\ref ENDPOINT_TOTAL_ENDPOINTS - 1) + */ + #define ENDPOINT_MAX_SIZE(EPIndex) _ENDPOINT_GET_MAXSIZE(EPIndex) + + /** Retrieves the total number of banks supported by the given endpoint. + * + * \note This macro will only work correctly on endpoint indexes that are compile-time constants + * defined by the preprocessor. + * + * \param[in] EPIndex Endpoint number, a value between 0 and (\ref ENDPOINT_TOTAL_ENDPOINTS - 1) + */ + #define ENDPOINT_BANKS_SUPPORTED(EPIndex) _ENDPOINT_GET_BANKS(EPIndex) + + #if !defined(CONTROL_ONLY_DEVICE) || defined(__DOXYGEN__) + /** Total number of endpoints (including the default control endpoint at address 0) which may + * be used in the device. Different USB AVR models support different amounts of endpoints, + * this value reflects the maximum number of endpoints for the currently selected AVR model. + */ + #define ENDPOINT_TOTAL_ENDPOINTS ENDPOINT_DETAILS_MAXEP + #else + #define ENDPOINT_TOTAL_ENDPOINTS 1 + #endif + + /* Enums: */ + /** Enum for the possible error return codes of the \ref Endpoint_WaitUntilReady() function. + * + * \ingroup Group_EndpointRW_AVR8 + */ + enum Endpoint_WaitUntilReady_ErrorCodes_t + { + ENDPOINT_READYWAIT_NoError = 0, /**< Endpoint is ready for next packet, no error. */ + ENDPOINT_READYWAIT_EndpointStalled = 1, /**< The endpoint was stalled during the stream + * transfer by the host or device. + */ + ENDPOINT_READYWAIT_DeviceDisconnected = 2, /**< Device was disconnected from the host while + * waiting for the endpoint to become ready. + */ + ENDPOINT_READYWAIT_BusSuspended = 3, /**< The USB bus has been suspended by the host and + * no USB endpoint traffic can occur until the bus + * has resumed. + */ + ENDPOINT_READYWAIT_Timeout = 4, /**< The host failed to accept or send the next packet + * within the software timeout period set by the + * \ref USB_STREAM_TIMEOUT_MS macro. + */ + }; + + /* Inline Functions: */ + /** Configures the specified endpoint number with the given endpoint type, direction, bank size + * and banking mode. Once configured, the endpoint may be read from or written to, depending + * on its direction. + * + * \param[in] Number Endpoint number to configure. This must be more than 0 and less than + * \ref ENDPOINT_TOTAL_ENDPOINTS. + * + * \param[in] Type Type of endpoint to configure, a \c EP_TYPE_* mask. Not all endpoint types + * are available on Low Speed USB devices - refer to the USB 2.0 specification. + * + * \param[in] Direction Endpoint data direction, either \ref ENDPOINT_DIR_OUT or \ref ENDPOINT_DIR_IN. + * All endpoints (except Control type) are unidirectional - data may only be read + * from or written to the endpoint bank based on its direction, not both. + * + * \param[in] Size Size of the endpoint's bank, where packets are stored before they are transmitted + * to the USB host, or after they have been received from the USB host (depending on + * the endpoint's data direction). The bank size must indicate the maximum packet size + * that the endpoint can handle. + * + * \param[in] Banks Number of banks to use for the endpoint being configured, an \c ENDPOINT_BANK_* mask. + * More banks uses more USB DPRAM, but offers better performance. Isochronous type + * endpoints must have at least two banks. + * + * \note When the \c ORDERED_EP_CONFIG compile time option is used, Endpoints must be configured in + * ascending order, or bank corruption will occur. + * \n\n + * + * \note Certain models of USB AVR's endpoints may have different maximum packet sizes based on the endpoint's + * index - refer to the chosen USB AVR's datasheet to determine the maximum bank size for each endpoint. + * \n\n + * + * \note The default control endpoint should not be manually configured by the user application, as + * it is automatically configured by the library internally. + * \n\n + * + * \note This routine will automatically select the specified endpoint upon success. Upon failure, the endpoint + * which failed to reconfigure correctly will be selected. + * + * \return Boolean \c true if the configuration succeeded, \c false otherwise. + */ + static inline bool Endpoint_ConfigureEndpoint(const uint8_t Number, + const uint8_t Type, + const uint8_t Direction, + const uint16_t Size, + const uint8_t Banks) ATTR_ALWAYS_INLINE; + static inline bool Endpoint_ConfigureEndpoint(const uint8_t Number, + const uint8_t Type, + const uint8_t Direction, + const uint16_t Size, + const uint8_t Banks) + { + return Endpoint_ConfigureEndpoint_Prv(Number, ((Type << AVR32_USBB_EPTYPE_OFFSET) | AVR32_USBB_ALLOC | + (Direction << AVR32_USBB_EPDIR_OFFSET) | + (Banks << AVR32_USBB_EPBK_OFFSET) | + Endpoint_BytesToEPSizeMask(Size))); + } + + /** Indicates the number of bytes currently stored in the current endpoint's selected bank. + * + * \note The return width of this function may differ, depending on the maximum endpoint bank size + * of the selected AVR model. + * + * \ingroup Group_EndpointRW_AVR8 + * + * \return Total number of bytes in the currently selected Endpoint's FIFO buffer. + */ + static inline uint16_t Endpoint_BytesInEndpoint(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint16_t Endpoint_BytesInEndpoint(void) + { + return ((avr32_usbb_uesta0_t*)AVR32_USBB_UESTA0)[USB_SelectedEndpoint].byct; + } + + /** Get the endpoint address of the currently selected endpoint. This is typically used to save + * the currently selected endpoint number so that it can be restored after another endpoint has + * been manipulated. + * + * \return Index of the currently selected endpoint. + */ + static inline uint8_t Endpoint_GetCurrentEndpoint(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Endpoint_GetCurrentEndpoint(void) + { + return USB_SelectedEndpoint; + } + + /** Selects the given endpoint number. If the address from the device descriptors is used, the + * value should be masked with the \ref ENDPOINT_EPNUM_MASK constant to extract only the endpoint + * number (and discarding the endpoint direction bit). + * + * Any endpoint operations which do not require the endpoint number to be indicated will operate on + * the currently selected endpoint. + * + * \param[in] EndpointNumber Endpoint number to select. + */ + static inline void Endpoint_SelectEndpoint(const uint8_t EndpointNumber) ATTR_ALWAYS_INLINE; + static inline void Endpoint_SelectEndpoint(const uint8_t EndpointNumber) + { + USB_SelectedEndpoint = EndpointNumber; + } + + /** Resets the endpoint bank FIFO. This clears all the endpoint banks and resets the USB controller's + * data In and Out pointers to the bank's contents. + * + * \param[in] EndpointNumber Endpoint number whose FIFO buffers are to be reset. + */ + static inline void Endpoint_ResetFIFO(const uint8_t EndpointNumber) ATTR_ALWAYS_INLINE; + static inline void Endpoint_ResetFIFO(const uint8_t EndpointNumber) + { + AVR32_USBB.uerst |= (AVR32_USBB_EPRST0_OFFSET << EndpointNumber); + AVR32_USBB.uerst &= ~(AVR32_USBB_EPRST0_OFFSET << EndpointNumber); + } + + /** Enables the currently selected endpoint so that data can be sent and received through it to + * and from a host. + * + * \note Endpoints must first be configured properly via \ref Endpoint_ConfigureEndpoint(). + */ + static inline void Endpoint_EnableEndpoint(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_EnableEndpoint(void) + { + AVR32_USBB.uerst |= (AVR32_USBB_EPEN0 << USB_SelectedEndpoint); + } + + /** Disables the currently selected endpoint so that data cannot be sent and received through it + * to and from a host. + */ + static inline void Endpoint_DisableEndpoint(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_DisableEndpoint(void) + { + AVR32_USBB.uerst &= ~(AVR32_USBB_EPEN0_OFFSET << USB_SelectedEndpoint); + } + + /** Determines if the currently selected endpoint is enabled, but not necessarily configured. + * + * \return Boolean \c true if the currently selected endpoint is enabled, \c false otherwise. + */ + static inline bool Endpoint_IsEnabled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsEnabled(void) + { + return ((AVR32_USBB.uerst & (AVR32_USBB_EPEN0_OFFSET << USB_SelectedEndpoint)) ? true : false); + } + + /** Retrieves the number of busy banks in the currently selected endpoint, which have been queued for + * transmission via the \ref Endpoint_ClearIN() command, or are awaiting acknowledgement via the + * \ref Endpoint_ClearOUT() command. + * + * \ingroup Group_EndpointPacketManagement_AVR8 + * + * \return Total number of busy banks in the selected endpoint. + */ + static inline uint8_t Endpoint_GetBusyBanks(void) + { + return ((avr32_usbb_uesta0_t*)AVR32_USBB_UESTA0)[USB_SelectedEndpoint].nbusybk; + } + + /** Aborts all pending IN transactions on the currently selected endpoint, once the bank + * has been queued for transmission to the host via \ref Endpoint_ClearIN(). This function + * will terminate all queued transactions, resetting the endpoint banks ready for a new + * packet. + * + * \ingroup Group_EndpointPacketManagement_AVR8 + */ + static inline void Endpoint_AbortPendingIN(void) + { + while (Endpoint_GetBusyBanks() != 0) + { + ((avr32_usbb_uecon0_t*)AVR32_USBB_UECON0SET)[USB_SelectedEndpoint].killbk = true; + while (((avr32_usbb_uecon0_t*)AVR32_USBB_UECON0)[USB_SelectedEndpoint].killbk); + } + } + + /** Determines if the currently selected endpoint may be read from (if data is waiting in the endpoint + * bank and the endpoint is an OUT direction, or if the bank is not yet full if the endpoint is an IN + * direction). This function will return false if an error has occurred in the endpoint, if the endpoint + * is an OUT direction and no packet (or an empty packet) has been received, or if the endpoint is an IN + * direction and the endpoint bank is full. + * + * \ingroup Group_EndpointPacketManagement_AVR8 + * + * \return Boolean \c true if the currently selected endpoint may be read from or written to, depending + * on its direction. + */ + static inline bool Endpoint_IsReadWriteAllowed(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsReadWriteAllowed(void) + { + return ((avr32_usbb_uesta0_t*)AVR32_USBB_UESTA0)[USB_SelectedEndpoint].rwall; + } + + /** Determines if the currently selected endpoint is configured. + * + * \return Boolean \c true if the currently selected endpoint has been configured, \c false otherwise. + */ + static inline bool Endpoint_IsConfigured(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsConfigured(void) + { + return ((avr32_usbb_uesta0_t*)AVR32_USBB_UESTA0)[USB_SelectedEndpoint].cfgok; + } + + /** Returns a mask indicating which INTERRUPT type endpoints have interrupted - i.e. their + * interrupt duration has elapsed. Which endpoints have interrupted can be determined by + * masking the return value against (1 << {Endpoint Number}). + * + * \return Mask whose bits indicate which endpoints have interrupted. + */ + static inline uint8_t Endpoint_GetEndpointInterrupts(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Endpoint_GetEndpointInterrupts(void) + { + return ((AVR32_USBB.udint & (AVR32_USBB_EP6INTES_MASK | AVR32_USBB_EP5INTES_MASK | + AVR32_USBB_EP4INTES_MASK | AVR32_USBB_EP3INTES_MASK | + AVR32_USBB_EP2INTES_MASK | AVR32_USBB_EP1INTES_MASK | + AVR32_USBB_EP0INTES_MASK)) >> AVR32_USBB_EP0INT_OFFSET); + } + + /** Determines if the specified endpoint number has interrupted (valid only for INTERRUPT type + * endpoints). + * + * \param[in] EndpointNumber Index of the endpoint whose interrupt flag should be tested. + * + * \return Boolean \c true if the specified endpoint has interrupted, \c false otherwise. + */ + static inline bool Endpoint_HasEndpointInterrupted(const uint8_t EndpointNumber) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_HasEndpointInterrupted(const uint8_t EndpointNumber) + { + return ((Endpoint_GetEndpointInterrupts() & (1 << EndpointNumber)) ? true : false); + } + + /** Determines if the selected IN endpoint is ready for a new packet to be sent to the host. + * + * \ingroup Group_EndpointPacketManagement_AVR8 + * + * \return Boolean \c true if the current endpoint is ready for an IN packet, \c false otherwise. + */ + static inline bool Endpoint_IsINReady(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsINReady(void) + { + return ((avr32_usbb_uesta0_t*)AVR32_USBB_UESTA0)[USB_SelectedEndpoint].txini; + } + + /** Determines if the selected OUT endpoint has received new packet from the host. + * + * \ingroup Group_EndpointPacketManagement_AVR8 + * + * \return Boolean \c true if current endpoint is has received an OUT packet, \c false otherwise. + */ + static inline bool Endpoint_IsOUTReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsOUTReceived(void) + { + return ((avr32_usbb_uesta0_t*)AVR32_USBB_UESTA0)[USB_SelectedEndpoint].rxouti; + } + + /** Determines if the current CONTROL type endpoint has received a SETUP packet. + * + * \ingroup Group_EndpointPacketManagement_AVR8 + * + * \return Boolean \c true if the selected endpoint has received a SETUP packet, \c false otherwise. + */ + static inline bool Endpoint_IsSETUPReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsSETUPReceived(void) + { + return ((avr32_usbb_uesta0_t*)AVR32_USBB_UESTA0)[USB_SelectedEndpoint].rxstpi; + } + + /** Clears a received SETUP packet on the currently selected CONTROL type endpoint, freeing up the + * endpoint for the next packet. + * + * \ingroup Group_EndpointPacketManagement_AVR8 + * + * \note This is not applicable for non CONTROL type endpoints. + */ + static inline void Endpoint_ClearSETUP(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_ClearSETUP(void) + { + ((avr32_usbb_uesta0_t*)AVR32_USBB_UESTA0CLR)[USB_SelectedEndpoint].rxstpi = true; + } + + /** Sends an IN packet to the host on the currently selected endpoint, freeing up the endpoint for the + * next packet and switching to the alternative endpoint bank if double banked. + * + * \ingroup Group_EndpointPacketManagement_AVR8 + */ + static inline void Endpoint_ClearIN(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_ClearIN(void) + { + ((avr32_usbb_uesta0_t*)AVR32_USBB_UESTA0CLR)[USB_SelectedEndpoint].txini = true; + ((avr32_usbb_uecon0_t*)AVR32_USBB_UECON0CLR)[USB_SelectedEndpoint].fifocon = true; + } + + /** Acknowledges an OUT packet to the host on the currently selected endpoint, freeing up the endpoint + * for the next packet and switching to the alternative endpoint bank if double banked. + * + * \ingroup Group_EndpointPacketManagement_AVR8 + */ + static inline void Endpoint_ClearOUT(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_ClearOUT(void) + { + ((avr32_usbb_uesta0_t*)AVR32_USBB_UESTA0CLR)[USB_SelectedEndpoint].rxouti = true; + ((avr32_usbb_uecon0_t*)AVR32_USBB_UECON0CLR)[USB_SelectedEndpoint].fifocon = true; + } + + /** Stalls the current endpoint, indicating to the host that a logical problem occurred with the + * indicated endpoint and that the current transfer sequence should be aborted. This provides a + * way for devices to indicate invalid commands to the host so that the current transfer can be + * aborted and the host can begin its own recovery sequence. + * + * The currently selected endpoint remains stalled until either the \ref Endpoint_ClearStall() macro + * is called, or the host issues a CLEAR FEATURE request to the device for the currently selected + * endpoint. + * + * \ingroup Group_EndpointPacketManagement_AVR8 + */ + static inline void Endpoint_StallTransaction(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_StallTransaction(void) + { + ((avr32_usbb_uecon0_t*)AVR32_USBB_UECON0SET)[USB_SelectedEndpoint].stallrq = true; + } + + /** Clears the STALL condition on the currently selected endpoint. + * + * \ingroup Group_EndpointPacketManagement_AVR8 + */ + static inline void Endpoint_ClearStall(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_ClearStall(void) + { + ((avr32_usbb_uecon0_t*)AVR32_USBB_UECON0CLR)[USB_SelectedEndpoint].stallrq = true; + } + + /** Determines if the currently selected endpoint is stalled, false otherwise. + * + * \ingroup Group_EndpointPacketManagement_AVR8 + * + * \return Boolean \c true if the currently selected endpoint is stalled, \c false otherwise. + */ + static inline bool Endpoint_IsStalled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsStalled(void) + { + return ((avr32_usbb_uecon0_t*)AVR32_USBB_UECON0)[USB_SelectedEndpoint].stallrq; + } + + /** Resets the data toggle of the currently selected endpoint. */ + static inline void Endpoint_ResetDataToggle(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_ResetDataToggle(void) + { + ((avr32_usbb_uecon0_t*)AVR32_USBB_UECON0SET)[USB_SelectedEndpoint].rstdt = true; + } + + /** Determines the currently selected endpoint's direction. + * + * \return The currently selected endpoint's direction, as a \c ENDPOINT_DIR_* mask. + */ + static inline uint8_t Endpoint_GetEndpointDirection(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Endpoint_GetEndpointDirection(void) + { + return (((uint32_t*)AVR32_USBB_UECFG0)[USB_SelectedEndpoint] & AVR32_USBB_UECFG0_EPDIR_MASK); + } + + /** Sets the direction of the currently selected endpoint. + * + * \param[in] DirectionMask New endpoint direction, as a \c ENDPOINT_DIR_* mask. + */ + static inline void Endpoint_SetEndpointDirection(const uint32_t DirectionMask) ATTR_ALWAYS_INLINE; + static inline void Endpoint_SetEndpointDirection(const uint32_t DirectionMask) + { + ((avr32_usbb_uecfg0_t*)AVR32_USBB_UECFG0)[USB_SelectedEndpoint].epdir = (DirectionMask == ENDPOINT_DIR_IN); + } + + /** Reads one byte from the currently selected endpoint's bank, for OUT direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_AVR8 + * + * \return Next byte in the currently selected endpoint's FIFO buffer. + */ + static inline uint8_t Endpoint_Read_Byte(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Endpoint_Read_Byte(void) + { + return *((uint8_t*)AVR32_USBB_EP_DATA); + } + + /** Writes one byte from the currently selected endpoint's bank, for IN direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_AVR8 + * + * \param[in] Byte Next byte to write into the the currently selected endpoint's FIFO buffer. + */ + static inline void Endpoint_Write_Byte(const uint8_t Byte) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Write_Byte(const uint8_t Byte) + { + *((uint8_t*)AVR32_USBB_EP_DATA) = Byte; + } + + /** Discards one byte from the currently selected endpoint's bank, for OUT direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_AVR8 + */ + static inline void Endpoint_Discard_Byte(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Discard_Byte(void) + { + uint8_t Dummy; + + Dummy = *((uint8_t*)AVR32_USBB_EP_DATA); + } + + /** Reads two bytes from the currently selected endpoint's bank in little endian format, for OUT + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_AVR8 + * + * \return Next word in the currently selected endpoint's FIFO buffer. + */ + static inline uint16_t Endpoint_Read_Word_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint16_t Endpoint_Read_Word_LE(void) + { + union + { + uint16_t Word; + uint8_t Bytes[2]; + } Data; + + Data.Bytes[0] = *((uint8_t*)AVR32_USBB_EP_DATA); + Data.Bytes[1] = *((uint8_t*)AVR32_USBB_EP_DATA); + + return Data.Word; + } + + /** Reads two bytes from the currently selected endpoint's bank in big endian format, for OUT + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_AVR8 + * + * \return Next word in the currently selected endpoint's FIFO buffer. + */ + static inline uint16_t Endpoint_Read_Word_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint16_t Endpoint_Read_Word_BE(void) + { + union + { + uint16_t Word; + uint8_t Bytes[2]; + } Data; + + Data.Bytes[1] = *((uint8_t*)AVR32_USBB_EP_DATA); + Data.Bytes[0] = *((uint8_t*)AVR32_USBB_EP_DATA); + + return Data.Word; + } + + /** Writes two bytes to the currently selected endpoint's bank in little endian format, for IN + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_AVR8 + * + * \param[in] Word Next word to write to the currently selected endpoint's FIFO buffer. + */ + static inline void Endpoint_Write_Word_LE(const uint16_t Word) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Write_Word_LE(const uint16_t Word) + { + *((uint8_t*)AVR32_USBB_EP_DATA) = (Word & 0xFF); + *((uint8_t*)AVR32_USBB_EP_DATA) = (Word >> 8); + } + + /** Writes two bytes to the currently selected endpoint's bank in big endian format, for IN + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_AVR8 + * + * \param[in] Word Next word to write to the currently selected endpoint's FIFO buffer. + */ + static inline void Endpoint_Write_Word_BE(const uint16_t Word) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Write_Word_BE(const uint16_t Word) + { + *((uint8_t*)AVR32_USBB_EP_DATA) = (Word >> 8); + *((uint8_t*)AVR32_USBB_EP_DATA) = (Word & 0xFF); + } + + /** Discards two bytes from the currently selected endpoint's bank, for OUT direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_AVR8 + */ + static inline void Endpoint_Discard_Word(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Discard_Word(void) + { + uint8_t Dummy; + + Dummy = *((uint8_t*)AVR32_USBB_EP_DATA); + Dummy = *((uint8_t*)AVR32_USBB_EP_DATA); + } + + /** Reads four bytes from the currently selected endpoint's bank in little endian format, for OUT + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_AVR8 + * + * \return Next double word in the currently selected endpoint's FIFO buffer. + */ + static inline uint32_t Endpoint_Read_DWord_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint32_t Endpoint_Read_DWord_LE(void) + { + union + { + uint32_t DWord; + uint8_t Bytes[4]; + } Data; + + Data.Bytes[0] = *((uint8_t*)AVR32_USBB_EP_DATA); + Data.Bytes[1] = *((uint8_t*)AVR32_USBB_EP_DATA); + Data.Bytes[2] = *((uint8_t*)AVR32_USBB_EP_DATA); + Data.Bytes[3] = *((uint8_t*)AVR32_USBB_EP_DATA); + + return Data.DWord; + } + + /** Reads four bytes from the currently selected endpoint's bank in big endian format, for OUT + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_AVR8 + * + * \return Next double word in the currently selected endpoint's FIFO buffer. + */ + static inline uint32_t Endpoint_Read_DWord_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint32_t Endpoint_Read_DWord_BE(void) + { + union + { + uint32_t DWord; + uint8_t Bytes[4]; + } Data; + + Data.Bytes[3] = *((uint8_t*)AVR32_USBB_EP_DATA); + Data.Bytes[2] = *((uint8_t*)AVR32_USBB_EP_DATA); + Data.Bytes[1] = *((uint8_t*)AVR32_USBB_EP_DATA); + Data.Bytes[0] = *((uint8_t*)AVR32_USBB_EP_DATA); + + return Data.DWord; + } + + /** Writes four bytes to the currently selected endpoint's bank in little endian format, for IN + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_AVR8 + * + * \param[in] DWord Next double word to write to the currently selected endpoint's FIFO buffer. + */ + static inline void Endpoint_Write_DWord_LE(const uint32_t DWord) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Write_DWord_LE(const uint32_t DWord) + { + *((uint8_t*)AVR32_USBB_EP_DATA) = (DWord & 0xFF); + *((uint8_t*)AVR32_USBB_EP_DATA) = (DWord >> 8); + *((uint8_t*)AVR32_USBB_EP_DATA) = (DWord >> 16); + *((uint8_t*)AVR32_USBB_EP_DATA) = (DWord >> 24); + } + + /** Writes four bytes to the currently selected endpoint's bank in big endian format, for IN + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_AVR8 + * + * \param[in] DWord Next double word to write to the currently selected endpoint's FIFO buffer. + */ + static inline void Endpoint_Write_DWord_BE(const uint32_t DWord) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Write_DWord_BE(const uint32_t DWord) + { + *((uint8_t*)AVR32_USBB_EP_DATA) = (DWord >> 24); + *((uint8_t*)AVR32_USBB_EP_DATA) = (DWord >> 16); + *((uint8_t*)AVR32_USBB_EP_DATA) = (DWord >> 8); + *((uint8_t*)AVR32_USBB_EP_DATA) = (DWord & 0xFF); + } + + /** Discards four bytes from the currently selected endpoint's bank, for OUT direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_AVR8 + */ + static inline void Endpoint_Discard_DWord(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Discard_DWord(void) + { + uint8_t Dummy; + + Dummy = *((uint8_t*)AVR32_USBB_EP_DATA); + Dummy = *((uint8_t*)AVR32_USBB_EP_DATA); + Dummy = *((uint8_t*)AVR32_USBB_EP_DATA); + Dummy = *((uint8_t*)AVR32_USBB_EP_DATA); + } + + /* External Variables: */ + /** Global indicating the maximum packet size of the default control endpoint located at address + * 0 in the device. This value is set to the value indicated in the device descriptor in the user + * project once the USB interface is initialized into device mode. + * + * If space is an issue, it is possible to fix this to a static value by defining the control + * endpoint size in the \c FIXED_CONTROL_ENDPOINT_SIZE token passed to the compiler in the makefile + * via the -D switch. When a fixed control endpoint size is used, the size is no longer dynamically + * read from the descriptors at runtime and instead fixed to the given value. When used, it is + * important that the descriptor control endpoint size value matches the size given as the + * \c FIXED_CONTROL_ENDPOINT_SIZE token - it is recommended that the \c FIXED_CONTROL_ENDPOINT_SIZE token + * be used in the device descriptors to ensure this. + * + * \note This variable should be treated as read-only in the user application, and never manually + * changed in value. + */ + #if (!defined(FIXED_CONTROL_ENDPOINT_SIZE) || defined(__DOXYGEN__)) + extern uint8_t USB_ControlEndpointSize; + #else + #define USB_ControlEndpointSize FIXED_CONTROL_ENDPOINT_SIZE + #endif + + /* Function Prototypes: */ + /** Completes the status stage of a control transfer on a CONTROL type endpoint automatically, + * with respect to the data direction. This is a convenience function which can be used to + * simplify user control request handling. + */ + void Endpoint_ClearStatusStage(void); + + /** Spin-loops until the currently selected non-control endpoint is ready for the next packet of data + * to be read or written to it. + * + * \note This routine should not be called on CONTROL type endpoints. + * + * \ingroup Group_EndpointRW_AVR8 + * + * \return A value from the \ref Endpoint_WaitUntilReady_ErrorCodes_t enum. + */ + uint8_t Endpoint_WaitUntilReady(void); + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/Core/UC3B/Host.c b/LUFA/Drivers/USB/Core/UC3B/Host.c new file mode 100644 index 0000000000..03b8f60ddf --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3B/Host.c @@ -0,0 +1,355 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#define __INCLUDE_FROM_USB_DRIVER +#include "../USBMode.h" + +#if defined(USB_CAN_BE_HOST) + +#define __INCLUDE_FROM_HOST_C +#include "Host.h" + +void USB_Host_ProcessNextHostState(void) +{ + uint8_t ErrorCode = HOST_ENUMERROR_NoError; + uint8_t SubErrorCode = HOST_ENUMERROR_NoError; + + static uint16_t WaitMSRemaining; + static uint8_t PostWaitState; + + switch (USB_HostState) + { + case HOST_STATE_WaitForDevice: + if (WaitMSRemaining) + { + if ((SubErrorCode = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful) + { + USB_HostState = PostWaitState; + ErrorCode = HOST_ENUMERROR_WaitStage; + break; + } + + if (!(--WaitMSRemaining)) + USB_HostState = PostWaitState; + } + + break; + case HOST_STATE_Powered: + WaitMSRemaining = HOST_DEVICE_SETTLE_DELAY_MS; + + USB_HostState = HOST_STATE_Powered_WaitForDeviceSettle; + break; + case HOST_STATE_Powered_WaitForDeviceSettle: + if (WaitMSRemaining--) + { + _delay_ms(1); + break; + } + else + { + USB_Host_VBUS_Manual_Off(); + + USB_OTGPAD_On(); + USB_Host_VBUS_Auto_Enable(); + USB_Host_VBUS_Auto_On(); + + USB_HostState = HOST_STATE_Powered_WaitForConnect; + } + + break; + case HOST_STATE_Powered_WaitForConnect: + if (USB_INT_HasOccurred(USB_INT_DCONNI)) + { + USB_INT_Clear(USB_INT_DCONNI); + USB_INT_Clear(USB_INT_DDISCI); + + USB_INT_Clear(USB_INT_VBERRI); + USB_INT_Enable(USB_INT_VBERRI); + + USB_Host_ResumeBus(); + Pipe_ClearPipes(); + + HOST_TASK_NONBLOCK_WAIT(100, HOST_STATE_Powered_DoReset); + } + + break; + case HOST_STATE_Powered_DoReset: + USB_Host_ResetDevice(); + + HOST_TASK_NONBLOCK_WAIT(200, HOST_STATE_Powered_ConfigPipe); + break; + case HOST_STATE_Powered_ConfigPipe: + Pipe_ConfigurePipe(PIPE_CONTROLPIPE, EP_TYPE_CONTROL, + PIPE_TOKEN_SETUP, ENDPOINT_CONTROLEP, + PIPE_CONTROLPIPE_DEFAULT_SIZE, PIPE_BANK_SINGLE); + + if (!(Pipe_IsConfigured())) + { + ErrorCode = HOST_ENUMERROR_PipeConfigError; + SubErrorCode = 0; + break; + } + + USB_HostState = HOST_STATE_Default; + break; + case HOST_STATE_Default: + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE), + .bRequest = REQ_GetDescriptor, + .wValue = (DTYPE_Device << 8), + .wIndex = 0, + .wLength = 8, + }; + + uint8_t DataBuffer[8]; + + if ((SubErrorCode = USB_Host_SendControlRequest(DataBuffer)) != HOST_SENDCONTROL_Successful) + { + ErrorCode = HOST_ENUMERROR_ControlError; + break; + } + + USB_ControlPipeSize = DataBuffer[offsetof(USB_Descriptor_Device_t, Endpoint0Size)]; + + USB_Host_ResetDevice(); + + HOST_TASK_NONBLOCK_WAIT(200, HOST_STATE_Default_PostReset); + break; + case HOST_STATE_Default_PostReset: + Pipe_ConfigurePipe(PIPE_CONTROLPIPE, EP_TYPE_CONTROL, + PIPE_TOKEN_SETUP, ENDPOINT_CONTROLEP, + USB_ControlPipeSize, PIPE_BANK_SINGLE); + + if (!(Pipe_IsConfigured())) + { + ErrorCode = HOST_ENUMERROR_PipeConfigError; + SubErrorCode = 0; + break; + } + + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE), + .bRequest = REQ_SetAddress, + .wValue = USB_HOST_DEVICEADDRESS, + .wIndex = 0, + .wLength = 0, + }; + + if ((SubErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful) + { + ErrorCode = HOST_ENUMERROR_ControlError; + break; + } + + HOST_TASK_NONBLOCK_WAIT(100, HOST_STATE_Default_PostAddressSet); + break; + case HOST_STATE_Default_PostAddressSet: + USB_Host_SetDeviceAddress(USB_HOST_DEVICEADDRESS); + + EVENT_USB_Host_DeviceEnumerationComplete(); + USB_HostState = HOST_STATE_Addressed; + break; + } + + if ((ErrorCode != HOST_ENUMERROR_NoError) && (USB_HostState != HOST_STATE_Unattached)) + { + EVENT_USB_Host_DeviceEnumerationFailed(ErrorCode, SubErrorCode); + + USB_Host_VBUS_Auto_Off(); + + EVENT_USB_Host_DeviceUnattached(); + + USB_ResetInterface(); + } +} + +uint8_t USB_Host_WaitMS(uint8_t MS) +{ + bool BusSuspended = USB_Host_IsBusSuspended(); + uint8_t ErrorCode = HOST_WAITERROR_Successful; + bool HSOFIEnabled = USB_INT_IsEnabled(USB_INT_HSOFI); + + USB_INT_Disable(USB_INT_HSOFI); + USB_INT_Clear(USB_INT_HSOFI); + + USB_Host_ResumeBus(); + + while (MS) + { + if (USB_INT_HasOccurred(USB_INT_HSOFI)) + { + USB_INT_Clear(USB_INT_HSOFI); + MS--; + } + + if ((USB_HostState == HOST_STATE_Unattached) || (USB_CurrentMode != USB_MODE_Host)) + { + ErrorCode = HOST_WAITERROR_DeviceDisconnect; + + break; + } + + if (Pipe_IsError() == true) + { + Pipe_ClearError(); + ErrorCode = HOST_WAITERROR_PipeError; + + break; + } + + if (Pipe_IsStalled() == true) + { + Pipe_ClearStall(); + ErrorCode = HOST_WAITERROR_SetupStalled; + + break; + } + } + + if (BusSuspended) + USB_Host_SuspendBus(); + + if (HSOFIEnabled) + USB_INT_Enable(USB_INT_HSOFI); + + return ErrorCode; +} + +static void USB_Host_ResetDevice(void) +{ + bool BusSuspended = USB_Host_IsBusSuspended(); + + USB_INT_Disable(USB_INT_DDISCI); + + USB_Host_ResetBus(); + while (!(USB_Host_IsBusResetComplete())); + USB_Host_ResumeBus(); + + bool HSOFIEnabled = USB_INT_IsEnabled(USB_INT_HSOFI); + + USB_INT_Disable(USB_INT_HSOFI); + USB_INT_Clear(USB_INT_HSOFI); + + for (uint8_t MSRem = 10; MSRem != 0; MSRem--) + { + /* Workaround for powerless-pull-up devices. After a USB bus reset, + all disconnection interrupts are suppressed while a USB frame is + looked for - if it is found within 10ms, the device is still + present. */ + + if (USB_INT_HasOccurred(USB_INT_HSOFI)) + { + USB_INT_Clear(USB_INT_HSOFI); + USB_INT_Clear(USB_INT_DDISCI); + break; + } + + _delay_ms(1); + } + + if (HSOFIEnabled) + USB_INT_Enable(USB_INT_HSOFI); + + if (BusSuspended) + USB_Host_SuspendBus(); + + USB_INT_Enable(USB_INT_DDISCI); +} + +uint8_t USB_Host_SetDeviceConfiguration(const uint8_t ConfigNumber) +{ + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE), + .bRequest = REQ_SetConfiguration, + .wValue = ConfigNumber, + .wIndex = 0, + .wLength = 0, + }; + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + + return USB_Host_SendControlRequest(NULL); +} + +uint8_t USB_Host_GetDeviceDescriptor(void* const DeviceDescriptorPtr) +{ + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE), + .bRequest = REQ_GetDescriptor, + .wValue = (DTYPE_Device << 8), + .wIndex = 0, + .wLength = sizeof(USB_Descriptor_Device_t), + }; + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + + return USB_Host_SendControlRequest(DeviceDescriptorPtr); +} + +uint8_t USB_Host_GetDeviceStringDescriptor(const uint8_t Index, + void* const Buffer, + const uint8_t BufferLength) +{ + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE), + .bRequest = REQ_GetDescriptor, + .wValue = (DTYPE_String << 8) | Index, + .wIndex = 0, + .wLength = BufferLength, + }; + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + + return USB_Host_SendControlRequest(Buffer); +} + +uint8_t USB_Host_ClearPipeStall(const uint8_t EndpointNum) +{ + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_ENDPOINT), + .bRequest = REQ_ClearFeature, + .wValue = FEATURE_SEL_EndpointHalt, + .wIndex = EndpointNum, + .wLength = 0, + }; + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + + return USB_Host_SendControlRequest(NULL); +} + +#endif + diff --git a/LUFA/Drivers/USB/Core/UC3B/Host.h b/LUFA/Drivers/USB/Core/UC3B/Host.h new file mode 100644 index 0000000000..14cc624745 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3B/Host.h @@ -0,0 +1,522 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB Host definitions for the AVR32 UC3B microcontrollers. + * \copydetails Group_Host_UC3B + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_Host + * \defgroup Group_Host_UC3B Host Management (UC3B) + * \brief USB Host definitions for the AVR32 UC3B microcontrollers. + * + * Architecture specific USB Host definitions for the Atmel 32-bit AVR UC3B microcontrollers. + * + * @{ + */ + +#ifndef __USBHOST_UC3B_H__ +#define __USBHOST_UC3B_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + #include "../StdDescriptors.h" + #include "../Pipe.h" + #include "../USBInterrupt.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** Indicates the fixed USB device address which any attached device is enumerated to when in + * host mode. As only one USB device may be attached to the AVR in host mode at any one time + * and that the address used is not important (other than the fact that it is non-zero), a + * fixed value is specified by the library. + */ + #define USB_HOST_DEVICEADDRESS 1 + + #if !defined(USB_HOST_TIMEOUT_MS) || defined(__DOXYGEN__) + /** Constant for the maximum software timeout period of sent USB control transactions to an attached + * device. If a device fails to respond to a sent control request within this period, the + * library will return a timeout error code. + * + * This value may be overridden in the user project makefile as the value of the + * \ref USB_HOST_TIMEOUT_MS token, and passed to the compiler using the -D switch. + */ + #define USB_HOST_TIMEOUT_MS 1000 + #endif + + #if !defined(HOST_DEVICE_SETTLE_DELAY_MS) || defined(__DOXYGEN__) + /** Constant for the delay in milliseconds after a device is connected before the library + * will start the enumeration process. Some devices require a delay of up to 5 seconds + * after connection before the enumeration process can start or incorrect operation will + * occur. + * + * The default delay value may be overridden in the user project makefile by defining the + * \c HOST_DEVICE_SETTLE_DELAY_MS token to the required delay in milliseconds, and passed to the + * compiler using the -D switch. + */ + #define HOST_DEVICE_SETTLE_DELAY_MS 1000 + #endif + + /* Enums: */ + /** Enum for the various states of the USB Host state machine. Only some states are + * implemented in the LUFA library - other states are left to the user to implement. + * + * For information on each possible USB host state, refer to the USB 2.0 specification. + * Several of the USB host states are broken up further into multiple smaller sub-states, + * so that they can be internally implemented inside the library in an efficient manner. + * + * \see \ref USB_HostState, which stores the current host state machine state. + */ + enum USB_Host_States_t + { + HOST_STATE_WaitForDeviceRemoval = 0, /**< Internally implemented by the library. This state can be + * used by the library to wait until the attached device is + * removed by the user - useful for when an error occurs or + * further communication with the device is not needed. This + * allows for other code to run while the state machine is + * effectively disabled. + */ + HOST_STATE_WaitForDevice = 1, /**< Internally implemented by the library. This state indicates + * that the stack is waiting for an interval to elapse before + * continuing with the next step of the device enumeration + * process. + * + * \note Do not manually change to this state in the user code. + */ + HOST_STATE_Unattached = 2, /**< Internally implemented by the library. This state indicates + * that the host state machine is waiting for a device to be + * attached so that it can start the enumeration process. + * + * \note Do not manually change to this state in the user code. + */ + HOST_STATE_Powered = 3, /**< Internally implemented by the library. This state indicates + * that a device has been attached, and the library's internals + * are being configured to begin the enumeration process. + * + * \note Do not manually change to this state in the user code. + */ + HOST_STATE_Powered_WaitForDeviceSettle = 4, /**< Internally implemented by the library. This state indicates + * that the stack is waiting for the initial settling period to + * elapse before beginning the enumeration process. + * + * \note Do not manually change to this state in the user code. + */ + HOST_STATE_Powered_WaitForConnect = 5, /**< Internally implemented by the library. This state indicates + * that the stack is waiting for a connection event from the USB + * controller to indicate a valid USB device has been attached to + * the bus and is ready to be enumerated. + * + * \note Do not manually change to this state in the user code. + */ + HOST_STATE_Powered_DoReset = 6, /**< Internally implemented by the library. This state indicates + * that a valid USB device has been attached, and that it is + * will now be reset to ensure it is ready for enumeration. + * + * \note Do not manually change to this state in the user code. + */ + HOST_STATE_Powered_ConfigPipe = 7, /**< Internally implemented by the library. This state indicates + * that the attached device is currently powered and reset, and + * that the control pipe is now being configured by the stack. + * + * \note Do not manually change to this state in the user code. + */ + HOST_STATE_Default = 8, /**< Internally implemented by the library. This state indicates + * that the stack is currently retrieving the control endpoint's + * size from the device, so that the control pipe can be altered + * to match. + * + * \note Do not manually change to this state in the user code. + */ + HOST_STATE_Default_PostReset = 9, /**< Internally implemented by the library. This state indicates that + * the control pipe is being reconfigured to match the retrieved + * control endpoint size from the device, and the device's USB bus + * address is being set. + * + * \note Do not manually change to this state in the user code. + */ + HOST_STATE_Default_PostAddressSet = 10, /**< Internally implemented by the library. This state indicates that + * the device's address has now been set, and the stack is has now + * completed the device enumeration process. This state causes the + * stack to change the current USB device address to that set for + * the connected device, before progressing to the user-implemented + * \ref HOST_STATE_Addressed state for further communications. + * + * \note Do not manually change to this state in the user code. + */ + HOST_STATE_Addressed = 11, /**< May be implemented by the user project. This state should + * set the device configuration before progressing to the + * \ref HOST_STATE_Configured state. Other processing (such as the + * retrieval and processing of the device descriptor) should also + * be placed in this state. + */ + HOST_STATE_Configured = 12, /**< May be implemented by the user project. This state should implement the + * actual work performed on the attached device and changed to the + * \ref HOST_STATE_Suspended or \ref HOST_STATE_WaitForDeviceRemoval states as needed. + */ + HOST_STATE_Suspended = 15, /**< May be implemented by the user project. This state should be maintained + * while the bus is suspended, and changed to either the \ref HOST_STATE_Configured + * (after resuming the bus with the USB_Host_ResumeBus() macro) or the + * \ref HOST_STATE_WaitForDeviceRemoval states as needed. + */ + }; + + /** Enum for the error codes for the \ref EVENT_USB_Host_HostError() event. + * + * \see \ref Group_Events for more information on this event. + */ + enum USB_Host_ErrorCodes_t + { + HOST_ERROR_VBusVoltageDip = 0, /**< VBUS voltage dipped to an unacceptable level. This + * error may be the result of an attached device drawing + * too much current from the VBUS line, or due to the + * AVR's power source being unable to supply sufficient + * current. + */ + }; + + /** Enum for the error codes for the \ref EVENT_USB_Host_DeviceEnumerationFailed() event. + * + * \see \ref Group_Events for more information on this event. + */ + enum USB_Host_EnumerationErrorCodes_t + { + HOST_ENUMERROR_NoError = 0, /**< No error occurred. Used internally, this is not a valid + * ErrorCode parameter value for the \ref EVENT_USB_Host_DeviceEnumerationFailed() + * event. + */ + HOST_ENUMERROR_WaitStage = 1, /**< One of the delays between enumeration steps failed + * to complete successfully, due to a timeout or other + * error. + */ + HOST_ENUMERROR_NoDeviceDetected = 2, /**< No device was detected, despite the USB data lines + * indicating the attachment of a device. + */ + HOST_ENUMERROR_ControlError = 3, /**< One of the enumeration control requests failed to + * complete successfully. + */ + HOST_ENUMERROR_PipeConfigError = 4, /**< The default control pipe (address 0) failed to + * configure correctly. + */ + }; + + /* Inline Functions: */ + /** Returns the current USB frame number, when in host mode. Every millisecond the USB bus is active (i.e. not suspended) + * the frame number is incremented by one. + */ + static inline uint16_t USB_Host_GetFrameNumber(void) + { + return UHFNUM; + } + + #if !defined(NO_SOF_EVENTS) + /** Enables the host mode Start Of Frame events. When enabled, this causes the + * \ref EVENT_USB_Host_StartOfFrame() event to fire once per millisecond, synchronized to the USB bus, + * at the start of each USB frame when a device is enumerated while in host mode. + * + * \note Not available when the \c NO_SOF_EVENTS compile time token is defined. + */ + static inline void USB_Host_EnableSOFEvents(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_EnableSOFEvents(void) + { + USB_INT_Enable(USB_INT_HSOFI); + } + + /** Disables the host mode Start Of Frame events. When disabled, this stops the firing of the + * \ref EVENT_USB_Host_StartOfFrame() event when enumerated in host mode. + * + * \note Not available when the NO_SOF_EVENTS compile time token is defined. + */ + static inline void USB_Host_DisableSOFEvents(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_DisableSOFEvents(void) + { + USB_INT_Disable(USB_INT_HSOFI); + } + #endif + + /** Resets the USB bus, including the endpoints in any attached device and pipes on the AVR host. + * USB bus resets leave the default control pipe configured (if already configured). + * + * If the USB bus has been suspended prior to issuing a bus reset, the attached device will be + * woken up automatically and the bus resumed after the reset has been correctly issued. + */ + static inline void USB_Host_ResetBus(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_ResetBus(void) + { + UHCON |= (1 << RESET); + } + + /** Determines if a previously issued bus reset (via the \ref USB_Host_ResetBus() macro) has + * completed. + * + * \return Boolean \c true if no bus reset is currently being sent, \c false otherwise. + */ + static inline bool USB_Host_IsBusResetComplete(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool USB_Host_IsBusResetComplete(void) + { + return ((UHCON & (1 << RESET)) ? false : true); + } + + /** Resumes USB communications with an attached and enumerated device, by resuming the transmission + * of the 1MS Start Of Frame messages to the device. When resumed, USB communications between the + * host and attached device may occur. + */ + static inline void USB_Host_ResumeBus(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_ResumeBus(void) + { + UHCON |= (1 << SOFEN); + } + + /** Suspends the USB bus, preventing any communications from occurring between the host and attached + * device until the bus has been resumed. This stops the transmission of the 1MS Start Of Frame + * messages to the device. + */ + static inline void USB_Host_SuspendBus(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_SuspendBus(void) + { + UHCON &= ~(1 << SOFEN); + } + + /** Determines if the USB bus has been suspended via the use of the \ref USB_Host_SuspendBus() macro, + * false otherwise. While suspended, no USB communications can occur until the bus is resumed, + * except for the Remote Wakeup event from the device if supported. + * + * \return Boolean \c true if the bus is currently suspended, \c false otherwise. + */ + static inline bool USB_Host_IsBusSuspended(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool USB_Host_IsBusSuspended(void) + { + return ((UHCON & (1 << SOFEN)) ? false : true); + } + + /** Determines if the attached device is currently enumerated in Full Speed mode (12Mb/s), or + * false if the attached device is enumerated in Low Speed mode (1.5Mb/s). + * + * \return Boolean \c true if the attached device is enumerated in Full Speed mode, \c false otherwise. + */ + static inline bool USB_Host_IsDeviceFullSpeed(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool USB_Host_IsDeviceFullSpeed(void) + { + return ((USBSTA & (1 << SPEED)) ? true : false); + } + + /** Determines if the attached device is currently issuing a Remote Wakeup request, requesting + * that the host resume the USB bus and wake up the device, false otherwise. + * + * \return Boolean \c true if the attached device has sent a Remote Wakeup request, \c false otherwise. + */ + static inline bool USB_Host_IsRemoteWakeupSent(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool USB_Host_IsRemoteWakeupSent(void) + { + return ((UHINT & (1 << RXRSMI)) ? true : false); + } + + /** Clears the flag indicating that a Remote Wakeup request has been issued by an attached device. */ + static inline void USB_Host_ClearRemoteWakeupSent(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_ClearRemoteWakeupSent(void) + { + UHINT &= ~(1 << RXRSMI); + } + + /** Accepts a Remote Wakeup request from an attached device. This must be issued in response to + * a device's Remote Wakeup request within 2ms for the request to be accepted and the bus to + * be resumed. + */ + static inline void USB_Host_ResumeFromWakeupRequest(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_ResumeFromWakeupRequest(void) + { + UHCON |= (1 << RESUME); + } + + /** Determines if a resume from Remote Wakeup request is currently being sent to an attached + * device. + * + * \return Boolean \c true if no resume request is currently being sent, \c false otherwise. + */ + static inline bool USB_Host_IsResumeFromWakeupRequestSent(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool USB_Host_IsResumeFromWakeupRequestSent(void) + { + return ((UHCON & (1 << RESUME)) ? false : true); + } + + /* Function Prototypes: */ + /** Convenience function. This routine sends a SET CONFIGURATION standard request to the attached + * device, with the given configuration index. This can be used to easily set the device + * configuration without creating and sending the request manually. + * + * \note After this routine returns, the control pipe will be selected. + * + * \param[in] ConfigNumber Configuration index to send to the device. + * + * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result. + */ + uint8_t USB_Host_SetDeviceConfiguration(const uint8_t ConfigNumber); + + /** Convenience function. This routine sends a GET DESCRIPTOR standard request to the attached + * device, requesting the device descriptor. This can be used to easily retrieve information + * about the device such as its VID, PID and power requirements. + * + * \note After this routine returns, the control pipe will be selected. + * + * \param[out] DeviceDescriptorPtr Pointer to the destination device descriptor structure where + * the read data is to be stored. + * + * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result. + */ + uint8_t USB_Host_GetDeviceDescriptor(void* const DeviceDescriptorPtr); + + /** Convenience function. This routine sends a GET DESCRIPTOR standard request to the attached + * device, requesting the string descriptor of the specified index. This can be used to easily + * retrieve string descriptors from the device by index, after the index is obtained from the + * Device or Configuration descriptors. + * + * \note After this routine returns, the control pipe will be selected. + * + * \param[in] Index Index of the string index to retrieve. + * \param[out] Buffer Pointer to the destination buffer where the retrieved string descriptor is + * to be stored. + * \param[in] BufferLength Maximum size of the string descriptor which can be stored into the buffer. + * + * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result. + */ + uint8_t USB_Host_GetDeviceStringDescriptor(const uint8_t Index, + void* const Buffer, + const uint8_t BufferLength); + + /** Clears a stall condition on the given pipe, via a CLEAR FEATURE standard request to the attached device. + * + * \note After this routine returns, the control pipe will be selected. + * + * \param[in] EndpointIndex Index of the endpoint to clear, including the endpoint's direction. + * + * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result. + */ + uint8_t USB_Host_ClearPipeStall(const uint8_t EndpointIndex); + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Macros: */ + static inline void USB_Host_HostMode_On(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_HostMode_On(void) + { + USBCON |= (1 << HOST); + } + + static inline void USB_Host_HostMode_Off(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_HostMode_Off(void) + { + USBCON &= ~(1 << HOST); + } + + static inline void USB_Host_VBUS_Auto_Enable(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_VBUS_Auto_Enable(void) + { + OTGCON &= ~(1 << VBUSHWC); + UHWCON |= (1 << UVCONE); + } + + static inline void USB_Host_VBUS_Manual_Enable(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_VBUS_Manual_Enable(void) + { + OTGCON |= (1 << VBUSHWC); + UHWCON &= ~(1 << UVCONE); + + DDRE |= (1 << 7); + } + + static inline void USB_Host_VBUS_Auto_On(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_VBUS_Auto_On(void) + { + OTGCON |= (1 << VBUSREQ); + } + + static inline void USB_Host_VBUS_Manual_On(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_VBUS_Manual_On(void) + { + PORTE |= (1 << 7); + } + + static inline void USB_Host_VBUS_Auto_Off(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_VBUS_Auto_Off(void) + { + OTGCON |= (1 << VBUSRQC); + } + + static inline void USB_Host_VBUS_Manual_Off(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_VBUS_Manual_Off(void) + { + PORTE &= ~(1 << 7); + } + + static inline void USB_Host_SetDeviceAddress(const uint8_t Address) ATTR_ALWAYS_INLINE; + static inline void USB_Host_SetDeviceAddress(const uint8_t Address) + { + UHADDR = (Address & 0x7F); + } + + /* Enums: */ + enum USB_Host_WaitMSErrorCodes_t + { + HOST_WAITERROR_Successful = 0, + HOST_WAITERROR_DeviceDisconnect = 1, + HOST_WAITERROR_PipeError = 2, + HOST_WAITERROR_SetupStalled = 3, + }; + + /* Function Prototypes: */ + void USB_Host_ProcessNextHostState(void); + uint8_t USB_Host_WaitMS(uint8_t MS); + + #if defined(__INCLUDE_FROM_HOST_C) + static void USB_Host_ResetDevice(void); + #endif + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/Core/UC3B/OTG.h b/LUFA/Drivers/USB/Core/UC3B/OTG.h new file mode 100644 index 0000000000..92ec38a28a --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3B/OTG.h @@ -0,0 +1,149 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB OTG definitions for the UC3B microcontrollers. + * \copydetails Group_OTG_UC3B + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_OTG + * \defgroup Group_OTG_UC3B USB On The Go (OTG) Management (UC3B) + * \brief USB OTG definitions for the UC3B microcontrollers. + * + * Architecture specific USB OTG definitions for the Atmel 32-bit AVR UC3B microcontrollers. + * + * @{ + */ + +#ifndef __USBOTG_UC3B_H__ +#define __USBOTG_UC3B_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** Mask for the VBUS pulsing method of SRP, supported by some OTG devices. + * + * \see \ref USB_OTG_Device_InitiateSRP(). + */ + #define USB_OTG_SRP_VBUS (1 << SRPSEL) + + /** Mask for the Data + pulsing method of SRP, supported by some OTG devices. + * + * \see \ref USB_OTG_Device_InitiateSRP(). + */ + #define USB_OTG_STP_DATA 0 + + /* Inline Functions: */ + /** Initiate a Host Negotiation Protocol request. This indicates to the other connected device + * that the device wishes to change device/host roles. + */ + static inline void USB_OTG_Device_RequestHNP(void) ATTR_ALWAYS_INLINE; + static inline void USB_OTG_Device_RequestHNP(void) + { + OTGCON |= (1 << HNPREQ); + } + + /** Cancel a Host Negotiation Protocol request. This stops a pending HNP request to the other + * connected device. + */ + static inline void USB_OTG_Device_CancelHNPRequest(void) ATTR_ALWAYS_INLINE; + static inline void USB_OTG_Device_CancelHNPRequest(void) + { + OTGCON &= ~(1 << HNPREQ); + } + + /** Determines if the device is currently sending a HNP to an attached host. + * + * \return Boolean \c true if currently sending a HNP to the other connected device, \c false otherwise + */ + static inline bool USB_OTG_Device_IsSendingHNP(void) ATTR_ALWAYS_INLINE; + static inline bool USB_OTG_Device_IsSendingHNP(void) + { + return ((OTGCON & (1 << HNPREQ)) ? true : false); + } + + /** Initiates a Session Request Protocol request. Most OTG devices turn off VBUS when the USB + * interface is not in use, to conserve power. Sending a SRP to a USB OTG device running in + * host mode indicates that VBUS should be applied and a session started. + * + * There are two different methods of sending a SRP - either pulses on the VBUS line, or by + * pulsing the Data + line via the internal pull-up resistor. + * + * \param[in] SRPTypeMask Mask indicating the type of SRP to use, either \ref USB_OTG_SRP_VBUS or + * \ref USB_OTG_STP_DATA. + */ + static inline void USB_OTG_Device_InitiateSRP(const uint8_t SRPTypeMask) ATTR_ALWAYS_INLINE; + static inline void USB_OTG_Device_InitiateSRP(const uint8_t SRPTypeMask) + { + OTGCON = ((OTGCON & ~(1 << SRPSEL)) | (SRPTypeMask | (1 << SRPREQ))); + } + + /** Accepts a HNP from a connected device, indicating that both devices should exchange + * device/host roles. + */ + static inline void USB_OTG_Host_AcceptHNP(void) ATTR_ALWAYS_INLINE; + static inline void USB_OTG_Host_AcceptHNP(void) + { + OTGCON |= (1 << HNPREQ); + } + + /** Rejects a HNP from a connected device, indicating that both devices should remain in their + * current device/host roles. + */ + static inline void USB_OTG_Host_RejectHNP(void) ATTR_ALWAYS_INLINE; + static inline void USB_OTG_Host_RejectHNP(void) + { + OTGCON &= ~(1 << HNPREQ); + } + + /** Indicates if the connected device is not currently sending a HNP request. + * + * \return Boolean \c true if a HNP is currently being issued by the connected device, \c false otherwise. + */ + static inline bool USB_OTG_Host_IsHNPReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool USB_OTG_Host_IsHNPReceived(void) + { + return ((OTGCON & (1 << HNPREQ)) ? true : false); + } + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/Core/UC3B/Pipe.c b/LUFA/Drivers/USB/Core/UC3B/Pipe.c new file mode 100644 index 0000000000..ceacdfe163 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3B/Pipe.c @@ -0,0 +1,193 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#define __INCLUDE_FROM_USB_DRIVER +#include "../USBMode.h" + +#if defined(USB_CAN_BE_HOST) + +#include "Pipe.h" + +uint8_t USB_ControlPipeSize = PIPE_CONTROLPIPE_DEFAULT_SIZE; + +bool Pipe_ConfigurePipe(const uint8_t Number, + const uint8_t Type, + const uint8_t Token, + const uint8_t EndpointNumber, + const uint16_t Size, + const uint8_t Banks) +{ +#if defined(ORDERED_EP_CONFIG) + Pipe_SelectPipe(Number); + Pipe_EnablePipe(); + + UPCFG1X = 0; + + UPCFG0X = ((Type << EPTYPE0) | Token | ((EndpointNumber & PIPE_EPNUM_MASK) << PEPNUM0)); + UPCFG1X = ((1 << ALLOC) | Banks | Pipe_BytesToEPSizeMask(Size)); + + Pipe_SetInfiniteINRequests(); + + return Pipe_IsConfigured(); +#else + for (uint8_t PNum = Number; PNum < PIPE_TOTAL_PIPES; PNum++) + { + uint8_t UPCFG0XTemp; + uint8_t UPCFG1XTemp; + uint8_t UPCFG2XTemp; + uint8_t UPCONXTemp; + uint8_t UPINRQXTemp; + uint8_t UPIENXTemp; + + Pipe_SelectPipe(PNum); + + if (PNum == Number) + { + UPCFG0XTemp = ((Type << EPTYPE0) | Token | ((EndpointNumber & PIPE_EPNUM_MASK) << PEPNUM0)); + UPCFG1XTemp = ((1 << ALLOC) | Banks | Pipe_BytesToEPSizeMask(Size)); + UPCFG2XTemp = 0; + UPCONXTemp = ((1 << PEN) | (1 << INMODE)); + UPINRQXTemp = 0; + UPIENXTemp = 0; + } + else + { + UPCFG0XTemp = UPCFG0X; + UPCFG1XTemp = UPCFG1X; + UPCFG2XTemp = UPCFG2X; + UPCONXTemp = UPCONX; + UPINRQXTemp = UPINRQX; + UPIENXTemp = UPIENX; + } + + if (!(UPCFG1XTemp & (1 << ALLOC))) + continue; + + Pipe_DisablePipe(); + UPCFG1X &= (1 << ALLOC); + + Pipe_EnablePipe(); + UPCFG0X = UPCFG0XTemp; + UPCFG1X = UPCFG1XTemp; + UPCFG2X = UPCFG2XTemp; + UPCONX = UPCONXTemp; + UPINRQX = UPINRQXTemp; + UPIENX = UPIENXTemp; + + if (!(Pipe_IsConfigured())) + return false; + } + + Pipe_SelectPipe(Number); + return true; +#endif +} + +void Pipe_ClearPipes(void) +{ + UPINT = 0; + + for (uint8_t PNum = 0; PNum < PIPE_TOTAL_PIPES; PNum++) + { + Pipe_SelectPipe(PNum); + UPIENX = 0; + UPINTX = 0; + UPCFG1X = 0; + Pipe_DisablePipe(); + } +} + +bool Pipe_IsEndpointBound(const uint8_t EndpointAddress) +{ + uint8_t PrevPipeNumber = Pipe_GetCurrentPipe(); + + for (uint8_t PNum = 0; PNum < PIPE_TOTAL_PIPES; PNum++) + { + Pipe_SelectPipe(PNum); + + if (!(Pipe_IsConfigured())) + continue; + + uint8_t PipeToken = Pipe_GetPipeToken(); + bool PipeTokenCorrect = true; + + if (PipeToken != PIPE_TOKEN_SETUP) + PipeTokenCorrect = (PipeToken == ((EndpointAddress & PIPE_EPDIR_MASK) ? PIPE_TOKEN_IN : PIPE_TOKEN_OUT)); + + if (PipeTokenCorrect && (Pipe_BoundEndpointNumber() == (EndpointAddress & PIPE_EPNUM_MASK))) + return true; + } + + Pipe_SelectPipe(PrevPipeNumber); + return false; +} + +uint8_t Pipe_WaitUntilReady(void) +{ + #if (USB_STREAM_TIMEOUT_MS < 0xFF) + uint8_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; + #else + uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; + #endif + + uint16_t PreviousFrameNumber = USB_Host_GetFrameNumber(); + + for (;;) + { + if (Pipe_GetPipeToken() == PIPE_TOKEN_IN) + { + if (Pipe_IsINReceived()) + return PIPE_READYWAIT_NoError; + } + else + { + if (Pipe_IsOUTReady()) + return PIPE_READYWAIT_NoError; + } + + if (Pipe_IsStalled()) + return PIPE_READYWAIT_PipeStalled; + else if (USB_HostState == HOST_STATE_Unattached) + return PIPE_READYWAIT_DeviceDisconnected; + + uint16_t CurrentFrameNumber = USB_Host_GetFrameNumber(); + + if (CurrentFrameNumber != PreviousFrameNumber) + { + PreviousFrameNumber = CurrentFrameNumber; + + if (!(TimeoutMSRem--)) + return PIPE_READYWAIT_Timeout; + } + } +} + +#endif + diff --git a/LUFA/Drivers/USB/Core/UC3B/Pipe.h b/LUFA/Drivers/USB/Core/UC3B/Pipe.h new file mode 100644 index 0000000000..9b24c5c84b --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3B/Pipe.h @@ -0,0 +1,943 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB Pipe definitions for the UC3B microcontrollers. + * \copydetails Group_PipeManagement_UC3B + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_PipeRW + * \defgroup Group_PipeRW_UC3B Pipe Data Reading and Writing (UC3B) + * \brief Pipe data read/write definitions for the Atmel AVR32 UC3B architecture. + * + * Functions, macros, variables, enums and types related to data reading and writing from and to pipes. + */ + +/** \ingroup Group_PipePrimitiveRW + * \defgroup Group_PipePrimitiveRW_UC3B Read/Write of Primitive Data Types (UC3B) + * \brief Pipe primative data read/write definitions for the Atmel AVR32 UC3B architecture. + * + * Functions, macros, variables, enums and types related to data reading and writing of primitive data types + * from and to pipes. + */ + +/** \ingroup Group_PipePacketManagement + * \defgroup Group_PipePacketManagement_UC3B Pipe Packet Management (UC3B) + * \brief Pipe packet management definitions for the Atmel AVR32 UC3B architecture. + * + * Functions, macros, variables, enums and types related to packet management of pipes. + */ + +/** \ingroup Group_PipeControlReq + * \defgroup Group_PipeControlReq_UC3B Pipe Control Request Management (UC3B) + * \brief Pipe control request management definitions for the Atmel AVR32 UC3B architecture. + * + * Module for host mode request processing. This module allows for the transmission of standard, class and + * vendor control requests to the default control endpoint of an attached device while in host mode. + * + * \see Chapter 9 of the USB 2.0 specification. + */ + +/** \ingroup Group_PipeManagement + * \defgroup Group_PipeManagement_UC3B Pipe Management (UC3B) + * \brief Pipe management definitions for the Atmel AVR32 UC3B architecture. + * + * This module contains functions, macros and enums related to pipe management when in USB Host mode. This + * module contains the pipe management macros, as well as pipe interrupt and data send/receive functions + * for various data types. + * + * @{ + */ + +#ifndef __PIPE_UC3B_H__ +#define __PIPE_UC3B_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + #include "../USBTask.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** \name Pipe Error Flag Masks */ + //@{ + /** Mask for \ref Pipe_GetErrorFlags(), indicating that an overflow error occurred in the pipe on the received data. */ + #define PIPE_ERRORFLAG_OVERFLOW (1 << 6) + + /** Mask for \ref Pipe_GetErrorFlags(), indicating that an underflow error occurred in the pipe on the received data. */ + #define PIPE_ERRORFLAG_UNDERFLOW (1 << 5) + + /** Mask for \ref Pipe_GetErrorFlags(), indicating that a CRC error occurred in the pipe on the received data. */ + #define PIPE_ERRORFLAG_CRC16 (1 << 4) + + /** Mask for \ref Pipe_GetErrorFlags(), indicating that a hardware timeout error occurred in the pipe. */ + #define PIPE_ERRORFLAG_TIMEOUT (1 << 3) + + /** Mask for \ref Pipe_GetErrorFlags(), indicating that a hardware PID error occurred in the pipe. */ + #define PIPE_ERRORFLAG_PID (1 << 2) + + /** Mask for \ref Pipe_GetErrorFlags(), indicating that a hardware data PID error occurred in the pipe. */ + #define PIPE_ERRORFLAG_DATAPID (1 << 1) + + /** Mask for \ref Pipe_GetErrorFlags(), indicating that a hardware data toggle error occurred in the pipe. */ + #define PIPE_ERRORFLAG_DATATGL (1 << 0) + //@} + + /** \name Pipe Token Masks */ + //@{ + /** Token mask for \ref Pipe_ConfigurePipe(). This sets the pipe as a SETUP token (for CONTROL type pipes), + * which will trigger a control request on the attached device when data is written to the pipe. + */ + #define PIPE_TOKEN_SETUP (0 << PTOKEN0) + + /** Token mask for \ref Pipe_ConfigurePipe(). This sets the pipe as a IN token (for non-CONTROL type pipes), + * indicating that the pipe data will flow from device to host. + */ + #define PIPE_TOKEN_IN (1 << PTOKEN0) + + /** Token mask for \ref Pipe_ConfigurePipe(). This sets the pipe as a OUT token (for non-CONTROL type pipes), + * indicating that the pipe data will flow from host to device. + */ + #define PIPE_TOKEN_OUT (2 << PTOKEN0) + //@} + + /** \name Pipe Bank Mode Masks */ + //@{ + /** Mask for the bank mode selection for the \ref Pipe_ConfigurePipe() macro. This indicates that the pipe + * should have one single bank, which requires less USB FIFO memory but results in slower transfers as + * only one USB device (the AVR or the attached device) can access the pipe's bank at the one time. + */ + #define PIPE_BANK_SINGLE (0 << EPBK0) + + /** Mask for the bank mode selection for the \ref Pipe_ConfigurePipe() macro. This indicates that the pipe + * should have two banks, which requires more USB FIFO memory but results in faster transfers as one + * USB device (the AVR or the attached device) can access one bank while the other accesses the second + * bank. + */ + #define PIPE_BANK_DOUBLE (1 << EPBK0) + //@} + + /** Pipe address for the default control pipe, which always resides in address 0. This is + * defined for convenience to give more readable code when used with the pipe macros. + */ + #define PIPE_CONTROLPIPE 0 + + /** Default size of the default control pipe's bank, until altered by the Endpoint0Size value + * in the device descriptor of the attached device. + */ + #define PIPE_CONTROLPIPE_DEFAULT_SIZE 64 + + /** Pipe number mask, for masking against pipe addresses to retrieve the pipe's numerical address + * in the device. + */ + #define PIPE_PIPENUM_MASK 0x07 + + /** Total number of pipes (including the default control pipe at address 0) which may be used in + * the device. Different USB AVR models support different amounts of pipes, this value reflects + * the maximum number of pipes for the currently selected AVR model. + */ + #define PIPE_TOTAL_PIPES 7 + + /** Size in bytes of the largest pipe bank size possible in the device. Not all banks on each AVR + * model supports the largest bank size possible on the device; different pipe numbers support + * different maximum bank sizes. This value reflects the largest possible bank of any pipe on the + * currently selected USB AVR model. + */ + #define PIPE_MAX_SIZE 256 + + /** Endpoint number mask, for masking against endpoint addresses to retrieve the endpoint's + * numerical address in the attached device. + */ + #define PIPE_EPNUM_MASK 0x0F + + /** Endpoint direction mask, for masking against endpoint addresses to retrieve the endpoint's + * direction for comparing with the \c ENDPOINT_DESCRIPTOR_DIR_* masks. + */ + #define PIPE_EPDIR_MASK 0x80 + + /* Enums: */ + /** Enum for the possible error return codes of the \ref Pipe_WaitUntilReady() function. + * + * \ingroup Group_PipeRW_AVR8 + */ + enum Pipe_WaitUntilReady_ErrorCodes_t + { + PIPE_READYWAIT_NoError = 0, /**< Pipe ready for next packet, no error. */ + PIPE_READYWAIT_PipeStalled = 1, /**< The device stalled the pipe while waiting. */ + PIPE_READYWAIT_DeviceDisconnected = 2, /**< Device was disconnected from the host while waiting. */ + PIPE_READYWAIT_Timeout = 3, /**< The device failed to accept or send the next packet + * within the software timeout period set by the + * \ref USB_STREAM_TIMEOUT_MS macro. + */ + }; + + /* Inline Functions: */ + /** Indicates the number of bytes currently stored in the current pipes's selected bank. + * + * \note The return width of this function may differ, depending on the maximum pipe bank size + * of the selected AVR model. + * + * \ingroup Group_PipeRW_AVR8 + * + * \return Total number of bytes in the currently selected pipe's FIFO buffer. + */ + static inline uint16_t Pipe_BytesInPipe(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint16_t Pipe_BytesInPipe(void) + { + return UPBCX; + } + + /** Returns the pipe address of the currently selected pipe. This is typically used to save the + * currently selected pipe number so that it can be restored after another pipe has been manipulated. + * + * \return Index of the currently selected pipe. + */ + static inline uint8_t Pipe_GetCurrentPipe(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Pipe_GetCurrentPipe(void) + { + return (UPNUM & PIPE_PIPENUM_MASK); + } + + /** Selects the given pipe number. Any pipe operations which do not require the pipe number to be + * indicated will operate on the currently selected pipe. + * + * \param[in] PipeNumber Index of the pipe to select. + */ + static inline void Pipe_SelectPipe(const uint8_t PipeNumber) ATTR_ALWAYS_INLINE; + static inline void Pipe_SelectPipe(const uint8_t PipeNumber) + { + UPNUM = PipeNumber; + } + + /** Resets the desired pipe, including the pipe banks and flags. + * + * \param[in] PipeNumber Index of the pipe to reset. + */ + static inline void Pipe_ResetPipe(const uint8_t PipeNumber) ATTR_ALWAYS_INLINE; + static inline void Pipe_ResetPipe(const uint8_t PipeNumber) + { + UPRST = (1 << PipeNumber); + UPRST = 0; + } + + /** Enables the currently selected pipe so that data can be sent and received through it to and from + * an attached device. + * + * \pre The currently selected pipe must first be configured properly via \ref Pipe_ConfigurePipe(). + */ + static inline void Pipe_EnablePipe(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_EnablePipe(void) + { + UPCONX |= (1 << PEN); + } + + /** Disables the currently selected pipe so that data cannot be sent and received through it to and + * from an attached device. + */ + static inline void Pipe_DisablePipe(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_DisablePipe(void) + { + UPCONX &= ~(1 << PEN); + } + + /** Determines if the currently selected pipe is enabled, but not necessarily configured. + * + * \return Boolean \c true if the currently selected pipe is enabled, \c false otherwise. + */ + static inline bool Pipe_IsEnabled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsEnabled(void) + { + return ((UPCONX & (1 << PEN)) ? true : false); + } + + /** Gets the current pipe token, indicating the pipe's data direction and type. + * + * \return The current pipe token, as a \c PIPE_TOKEN_* mask. + */ + static inline uint8_t Pipe_GetPipeToken(void) ATTR_ALWAYS_INLINE; + static inline uint8_t Pipe_GetPipeToken(void) + { + return (UPCFG0X & (0x03 << PTOKEN0)); + } + + /** Sets the token for the currently selected pipe to one of the tokens specified by the \c PIPE_TOKEN_* + * masks. This can be used on CONTROL type pipes, to allow for bidirectional transfer of data during + * control requests, or on regular pipes to allow for half-duplex bidirectional data transfer to devices + * which have two endpoints of opposite direction sharing the same endpoint address within the device. + * + * \param[in] Token New pipe token to set the selected pipe to, as a \c PIPE_TOKEN_* mask. + */ + static inline void Pipe_SetPipeToken(const uint8_t Token) ATTR_ALWAYS_INLINE; + static inline void Pipe_SetPipeToken(const uint8_t Token) + { + UPCFG0X = ((UPCFG0X & ~(0x03 << PTOKEN0)) | Token); + } + + /** Configures the currently selected pipe to allow for an unlimited number of IN requests. */ + static inline void Pipe_SetInfiniteINRequests(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_SetInfiniteINRequests(void) + { + UPCONX |= (1 << INMODE); + } + + /** Configures the currently selected pipe to only allow the specified number of IN requests to be + * accepted by the pipe before it is automatically frozen. + * + * \param[in] TotalINRequests Total number of IN requests that the pipe may receive before freezing. + */ + static inline void Pipe_SetFiniteINRequests(const uint8_t TotalINRequests) ATTR_ALWAYS_INLINE; + static inline void Pipe_SetFiniteINRequests(const uint8_t TotalINRequests) + { + UPCONX &= ~(1 << INMODE); + UPINRQX = TotalINRequests; + } + + /** Determines if the currently selected pipe is configured. + * + * \return Boolean \c true if the selected pipe is configured, \c false otherwise. + */ + static inline bool Pipe_IsConfigured(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsConfigured(void) + { + return ((UPSTAX & (1 << CFGOK)) ? true : false); + } + + /** Retrieves the endpoint number of the endpoint within the attached device that the currently selected + * pipe is bound to. + * + * \return Endpoint number the currently selected pipe is bound to. + */ + static inline uint8_t Pipe_BoundEndpointNumber(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Pipe_BoundEndpointNumber(void) + { + return ((UPCFG0X >> PEPNUM0) & PIPE_EPNUM_MASK); + } + + /** Sets the period between interrupts for an INTERRUPT type pipe to a specified number of milliseconds. + * + * \param[in] Milliseconds Number of milliseconds between each pipe poll. + */ + static inline void Pipe_SetInterruptPeriod(const uint8_t Milliseconds) ATTR_ALWAYS_INLINE; + static inline void Pipe_SetInterruptPeriod(const uint8_t Milliseconds) + { + UPCFG2X = Milliseconds; + } + + /** Returns a mask indicating which pipe's interrupt periods have elapsed, indicating that the pipe should + * be serviced. + * + * \return Mask whose bits indicate which pipes have interrupted. + */ + static inline uint8_t Pipe_GetPipeInterrupts(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Pipe_GetPipeInterrupts(void) + { + return UPINT; + } + + /** Determines if the specified pipe number has interrupted (valid only for INTERRUPT type + * pipes). + * + * \param[in] PipeNumber Index of the pipe whose interrupt flag should be tested. + * + * \return Boolean \c true if the specified pipe has interrupted, \c false otherwise. + */ + static inline bool Pipe_HasPipeInterrupted(const uint8_t PipeNumber) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_HasPipeInterrupted(const uint8_t PipeNumber) + { + return ((UPINT & (1 << PipeNumber)) ? true : false); + } + + /** Unfreezes the selected pipe, allowing it to communicate with an attached device. */ + static inline void Pipe_Unfreeze(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_Unfreeze(void) + { + UPCONX &= ~(1 << PFREEZE); + } + + /** Freezes the selected pipe, preventing it from communicating with an attached device. */ + static inline void Pipe_Freeze(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_Freeze(void) + { + UPCONX |= (1 << PFREEZE); + } + + /** Determines if the currently selected pipe is frozen, and not able to accept data. + * + * \return Boolean \c true if the currently selected pipe is frozen, \c false otherwise. + */ + static inline bool Pipe_IsFrozen(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsFrozen(void) + { + return ((UPCONX & (1 << PFREEZE)) ? true : false); + } + + /** Clears the master pipe error flag. */ + static inline void Pipe_ClearError(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_ClearError(void) + { + UPINTX &= ~(1 << PERRI); + } + + /** Determines if the master pipe error flag is set for the currently selected pipe, indicating that + * some sort of hardware error has occurred on the pipe. + * + * \see \ref Pipe_GetErrorFlags() macro for information on retrieving the exact error flag. + * + * \return Boolean \c true if an error has occurred on the selected pipe, \c false otherwise. + */ + static inline bool Pipe_IsError(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsError(void) + { + return ((UPINTX & (1 << PERRI)) ? true : false); + } + + /** Clears all the currently selected pipe's hardware error flags, but does not clear the master error + * flag for the pipe. + */ + static inline void Pipe_ClearErrorFlags(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_ClearErrorFlags(void) + { + UPERRX = 0; + } + + /** Gets a mask of the hardware error flags which have occurred on the currently selected pipe. This + * value can then be masked against the \c PIPE_ERRORFLAG_* masks to determine what error has occurred. + * + * \return Mask comprising of \c PIPE_ERRORFLAG_* bits indicating what error has occurred on the selected pipe. + */ + static inline uint8_t Pipe_GetErrorFlags(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Pipe_GetErrorFlags(void) + { + return ((UPERRX & (PIPE_ERRORFLAG_CRC16 | PIPE_ERRORFLAG_TIMEOUT | + PIPE_ERRORFLAG_PID | PIPE_ERRORFLAG_DATAPID | + PIPE_ERRORFLAG_DATATGL)) | + (UPSTAX & (PIPE_ERRORFLAG_OVERFLOW | PIPE_ERRORFLAG_UNDERFLOW))); + } + + /** Retrieves the number of busy banks in the currently selected pipe, which have been queued for + * transmission via the \ref Pipe_ClearOUT() command, or are awaiting acknowledgement via the + * \ref Pipe_ClearIN() command. + * + * \ingroup Group_PipePacketManagement_AVR8 + * + * \return Total number of busy banks in the selected pipe. + */ + static inline uint8_t Pipe_GetBusyBanks(void) + { + return (UPSTAX & (0x03 << NBUSYBK0)); + } + + /** Determines if the currently selected pipe may be read from (if data is waiting in the pipe + * bank and the pipe is an IN direction, or if the bank is not yet full if the pipe is an OUT + * direction). This function will return false if an error has occurred in the pipe, or if the pipe + * is an IN direction and no packet (or an empty packet) has been received, or if the pipe is an OUT + * direction and the pipe bank is full. + * + * \note This function is not valid on CONTROL type pipes. + * + * \ingroup Group_PipePacketManagement_AVR8 + * + * \return Boolean \c true if the currently selected pipe may be read from or written to, depending + * on its direction. + */ + static inline bool Pipe_IsReadWriteAllowed(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsReadWriteAllowed(void) + { + return ((UPINTX & (1 << RWAL)) ? true : false); + } + + /** Determines if a packet has been received on the currently selected IN pipe from the attached device. + * + * \ingroup Group_PipePacketManagement_AVR8 + * + * \return Boolean \c true if the current pipe has received an IN packet, \c false otherwise. + */ + static inline bool Pipe_IsINReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsINReceived(void) + { + return ((UPINTX & (1 << RXINI)) ? true : false); + } + + /** Determines if the currently selected OUT pipe is ready to send an OUT packet to the attached device. + * + * \ingroup Group_PipePacketManagement_AVR8 + * + * \return Boolean \c true if the current pipe is ready for an OUT packet, \c false otherwise. + */ + static inline bool Pipe_IsOUTReady(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsOUTReady(void) + { + return ((UPINTX & (1 << TXOUTI)) ? true : false); + } + + /** Determines if no SETUP request is currently being sent to the attached device on the selected + * CONTROL type pipe. + * + * \ingroup Group_PipePacketManagement_AVR8 + * + * \return Boolean \c true if the current pipe is ready for a SETUP packet, \c false otherwise. + */ + static inline bool Pipe_IsSETUPSent(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsSETUPSent(void) + { + return ((UPINTX & (1 << TXSTPI)) ? true : false); + } + + /** Sends the currently selected CONTROL type pipe's contents to the device as a SETUP packet. + * + * \ingroup Group_PipePacketManagement_AVR8 + */ + static inline void Pipe_ClearSETUP(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_ClearSETUP(void) + { + UPINTX &= ~((1 << TXSTPI) | (1 << FIFOCON)); + } + + /** Acknowledges the reception of a setup IN request from the attached device on the currently selected + * pipe, freeing the bank ready for the next packet. + * + * \ingroup Group_PipePacketManagement_AVR8 + */ + static inline void Pipe_ClearIN(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_ClearIN(void) + { + UPINTX &= ~((1 << RXINI) | (1 << FIFOCON)); + } + + /** Sends the currently selected pipe's contents to the device as an OUT packet on the selected pipe, freeing + * the bank ready for the next packet. + * + * \ingroup Group_PipePacketManagement_AVR8 + */ + static inline void Pipe_ClearOUT(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_ClearOUT(void) + { + UPINTX &= ~((1 << TXOUTI) | (1 << FIFOCON)); + } + + /** Determines if the device sent a NAK (Negative Acknowledge) in response to the last sent packet on + * the currently selected pipe. This occurs when the host sends a packet to the device, but the device + * is not currently ready to handle the packet (i.e. its endpoint banks are full). Once a NAK has been + * received, it must be cleared using \ref Pipe_ClearNAKReceived() before the previous (or any other) packet + * can be re-sent. + * + * \ingroup Group_PipePacketManagement_AVR8 + * + * \return Boolean \c true if an NAK has been received on the current pipe, \c false otherwise. + */ + static inline bool Pipe_IsNAKReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsNAKReceived(void) + { + return ((UPINTX & (1 << NAKEDI)) ? true : false); + } + + /** Clears the NAK condition on the currently selected pipe. + * + * \ingroup Group_PipePacketManagement_AVR8 + * + * \see \ref Pipe_IsNAKReceived() for more details. + */ + static inline void Pipe_ClearNAKReceived(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_ClearNAKReceived(void) + { + UPINTX &= ~(1 << NAKEDI); + } + + /** Determines if the currently selected pipe has had the STALL condition set by the attached device. + * + * \ingroup Group_PipePacketManagement_AVR8 + * + * \return Boolean \c true if the current pipe has been stalled by the attached device, \c false otherwise. + */ + static inline bool Pipe_IsStalled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsStalled(void) + { + return ((UPINTX & (1 << RXSTALLI)) ? true : false); + } + + /** Clears the STALL condition detection flag on the currently selected pipe, but does not clear the + * STALL condition itself (this must be done via a ClearFeature control request to the device). + * + * \ingroup Group_PipePacketManagement_AVR8 + */ + static inline void Pipe_ClearStall(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_ClearStall(void) + { + UPINTX &= ~(1 << RXSTALLI); + } + + /** Reads one byte from the currently selected pipe's bank, for OUT direction pipes. + * + * \ingroup Group_PipePrimitiveRW_AVR8 + * + * \return Next byte in the currently selected pipe's FIFO buffer. + */ + static inline uint8_t Pipe_Read_Byte(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Pipe_Read_Byte(void) + { + return UPDATX; + } + + /** Writes one byte from the currently selected pipe's bank, for IN direction pipes. + * + * \ingroup Group_PipePrimitiveRW_AVR8 + * + * \param[in] Byte Next byte to write into the the currently selected pipe's FIFO buffer. + */ + static inline void Pipe_Write_Byte(const uint8_t Byte) ATTR_ALWAYS_INLINE; + static inline void Pipe_Write_Byte(const uint8_t Byte) + { + UPDATX = Byte; + } + + /** Discards one byte from the currently selected pipe's bank, for OUT direction pipes. + * + * \ingroup Group_PipePrimitiveRW_AVR8 + */ + static inline void Pipe_Discard_Byte(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_Discard_Byte(void) + { + uint8_t Dummy; + + Dummy = UPDATX; + } + + /** Reads two bytes from the currently selected pipe's bank in little endian format, for OUT + * direction pipes. + * + * \ingroup Group_PipePrimitiveRW_AVR8 + * + * \return Next word in the currently selected pipe's FIFO buffer. + */ + static inline uint16_t Pipe_Read_Word_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint16_t Pipe_Read_Word_LE(void) + { + union + { + uint16_t Word; + uint8_t Bytes[2]; + } Data; + + Data.Bytes[0] = UPDATX; + Data.Bytes[1] = UPDATX; + + return Data.Word; + } + + /** Reads two bytes from the currently selected pipe's bank in big endian format, for OUT + * direction pipes. + * + * \ingroup Group_PipePrimitiveRW_AVR8 + * + * \return Next word in the currently selected pipe's FIFO buffer. + */ + static inline uint16_t Pipe_Read_Word_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint16_t Pipe_Read_Word_BE(void) + { + union + { + uint16_t Word; + uint8_t Bytes[2]; + } Data; + + Data.Bytes[1] = UPDATX; + Data.Bytes[0] = UPDATX; + + return Data.Word; + } + + /** Writes two bytes to the currently selected pipe's bank in little endian format, for IN + * direction pipes. + * + * \ingroup Group_PipePrimitiveRW_AVR8 + * + * \param[in] Word Next word to write to the currently selected pipe's FIFO buffer. + */ + static inline void Pipe_Write_Word_LE(const uint16_t Word) ATTR_ALWAYS_INLINE; + static inline void Pipe_Write_Word_LE(const uint16_t Word) + { + UPDATX = (Word & 0xFF); + UPDATX = (Word >> 8); + } + + /** Writes two bytes to the currently selected pipe's bank in big endian format, for IN + * direction pipes. + * + * \ingroup Group_PipePrimitiveRW_AVR8 + * + * \param[in] Word Next word to write to the currently selected pipe's FIFO buffer. + */ + static inline void Pipe_Write_Word_BE(const uint16_t Word) ATTR_ALWAYS_INLINE; + static inline void Pipe_Write_Word_BE(const uint16_t Word) + { + UPDATX = (Word >> 8); + UPDATX = (Word & 0xFF); + } + + /** Discards two bytes from the currently selected pipe's bank, for OUT direction pipes. + * + * \ingroup Group_PipePrimitiveRW_AVR8 + */ + static inline void Pipe_Discard_Word(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_Discard_Word(void) + { + uint8_t Dummy; + + Dummy = UPDATX; + Dummy = UPDATX; + } + + /** Reads four bytes from the currently selected pipe's bank in little endian format, for OUT + * direction pipes. + * + * \ingroup Group_PipePrimitiveRW_AVR8 + * + * \return Next double word in the currently selected pipe's FIFO buffer. + */ + static inline uint32_t Pipe_Read_DWord_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint32_t Pipe_Read_DWord_LE(void) + { + union + { + uint32_t DWord; + uint8_t Bytes[4]; + } Data; + + Data.Bytes[0] = UPDATX; + Data.Bytes[1] = UPDATX; + Data.Bytes[2] = UPDATX; + Data.Bytes[3] = UPDATX; + + return Data.DWord; + } + + /** Reads four bytes from the currently selected pipe's bank in big endian format, for OUT + * direction pipes. + * + * \ingroup Group_PipePrimitiveRW_AVR8 + * + * \return Next double word in the currently selected pipe's FIFO buffer. + */ + static inline uint32_t Pipe_Read_DWord_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint32_t Pipe_Read_DWord_BE(void) + { + union + { + uint32_t DWord; + uint8_t Bytes[4]; + } Data; + + Data.Bytes[3] = UPDATX; + Data.Bytes[2] = UPDATX; + Data.Bytes[1] = UPDATX; + Data.Bytes[0] = UPDATX; + + return Data.DWord; + } + + /** Writes four bytes to the currently selected pipe's bank in little endian format, for IN + * direction pipes. + * + * \ingroup Group_PipePrimitiveRW_AVR8 + * + * \param[in] DWord Next double word to write to the currently selected pipe's FIFO buffer. + */ + static inline void Pipe_Write_DWord_LE(const uint32_t DWord) ATTR_ALWAYS_INLINE; + static inline void Pipe_Write_DWord_LE(const uint32_t DWord) + { + UPDATX = (DWord & 0xFF); + UPDATX = (DWord >> 8); + UPDATX = (DWord >> 16); + UPDATX = (DWord >> 24); + } + + /** Writes four bytes to the currently selected pipe's bank in big endian format, for IN + * direction pipes. + * + * \ingroup Group_PipePrimitiveRW_AVR8 + * + * \param[in] DWord Next double word to write to the currently selected pipe's FIFO buffer. + */ + static inline void Pipe_Write_DWord_BE(const uint32_t DWord) ATTR_ALWAYS_INLINE; + static inline void Pipe_Write_DWord_BE(const uint32_t DWord) + { + UPDATX = (DWord >> 24); + UPDATX = (DWord >> 16); + UPDATX = (DWord >> 8); + UPDATX = (DWord & 0xFF); + } + + /** Discards four bytes from the currently selected pipe's bank, for OUT direction pipes. + * + * \ingroup Group_PipePrimitiveRW_AVR8 + */ + static inline void Pipe_Discard_DWord(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_Discard_DWord(void) + { + uint8_t Dummy; + + Dummy = UPDATX; + Dummy = UPDATX; + Dummy = UPDATX; + Dummy = UPDATX; + } + + /* External Variables: */ + /** Global indicating the maximum packet size of the default control pipe located at address + * 0 in the device. This value is set to the value indicated in the attached device's device + * descriptor once the USB interface is initialized into host mode and a device is attached + * to the USB bus. + * + * \note This variable should be treated as read-only in the user application, and never manually + * changed in value. + */ + extern uint8_t USB_ControlPipeSize; + + /* Function Prototypes: */ + /** Configures the specified pipe number with the given pipe type, token, target endpoint number in the + * attached device, bank size and banking mode. + * + * A newly configured pipe is frozen by default, and must be unfrozen before use via the \ref Pipe_Unfreeze() + * before being used. Pipes should be kept frozen unless waiting for data from a device while in IN mode, or + * sending data to the device in OUT mode. IN type pipes are also automatically configured to accept infinite + * numbers of IN requests without automatic freezing - this can be overridden by a call to + * \ref Pipe_SetFiniteINRequests(). + * + * \param[in] Number Pipe number to configure. This must be more than 0 and less than \ref PIPE_TOTAL_PIPES. + * + * \param[in] Type Type of pipe to configure, an \c EP_TYPE_* mask. Not all pipe types are available on Low + * Speed USB devices - refer to the USB 2.0 specification. + * + * \param[in] Token Pipe data token, either \ref PIPE_TOKEN_SETUP, \ref PIPE_TOKEN_OUT or \ref PIPE_TOKEN_IN. + * All pipes (except Control type) are unidirectional - data may only be read from or + * written to the pipe bank based on its direction, not both. + * + * \param[in] EndpointNumber Endpoint index within the attached device that the pipe should interface to. + * + * \param[in] Size Size of the pipe's bank, where packets are stored before they are transmitted to + * the USB device, or after they have been received from the USB device (depending on + * the pipe's data direction). The bank size must indicate the maximum packet size that + * the pipe can handle. + * + * \param[in] Banks Number of banks to use for the pipe being configured, a \c PIPE_BANK_* mask. More banks + * uses more USB DPRAM, but offers better performance. Isochronous type pipes must + * have at least two banks. + * + * \note When the \c ORDERED_EP_CONFIG compile time option is used, Pipes must be configured in ascending order, + * or bank corruption will occur. + * \n\n + * + * \note Certain models of USB AVR's pipes may have different maximum packet sizes based on the pipe's + * index - refer to the chosen USB AVR's datasheet to determine the maximum bank size for each pipe. + * \n\n + * + * \note The default control pipe should not be manually configured by the user application, as it is + * automatically configured by the library internally. + * \n\n + * + * \note This routine will automatically select the specified pipe upon success. Upon failure, the pipe which + * failed to reconfigure correctly will be selected. + * + * \return Boolean \c true if the configuration succeeded, \c false otherwise. + */ + bool Pipe_ConfigurePipe(const uint8_t Number, + const uint8_t Type, + const uint8_t Token, + const uint8_t EndpointNumber, + const uint16_t Size, + const uint8_t Banks); + + /** Spin-loops until the currently selected non-control pipe is ready for the next packed of data to be read + * or written to it, aborting in the case of an error condition (such as a timeout or device disconnect). + * + * \ingroup Group_PipeRW_AVR8 + * + * \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum. + */ + uint8_t Pipe_WaitUntilReady(void); + + /** Determines if a pipe has been bound to the given device endpoint address. If a pipe which is bound to the given + * endpoint is found, it is automatically selected. + * + * \param[in] EndpointAddress Address and direction mask of the endpoint within the attached device to check. + * + * \return Boolean \c true if a pipe bound to the given endpoint address of the specified direction is found, + * \c false otherwise. + */ + bool Pipe_IsEndpointBound(const uint8_t EndpointAddress); + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Macros: */ + #if !defined(ENDPOINT_CONTROLEP) + #define ENDPOINT_CONTROLEP 0 + #endif + + /* Inline Functions: */ + static inline uint8_t Pipe_BytesToEPSizeMask(const uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST ATTR_ALWAYS_INLINE; + static inline uint8_t Pipe_BytesToEPSizeMask(const uint16_t Bytes) + { + uint8_t MaskVal = 0; + uint16_t CheckBytes = 8; + + while ((CheckBytes < Bytes) && (CheckBytes < PIPE_MAX_SIZE)) + { + MaskVal++; + CheckBytes <<= 1; + } + + return (MaskVal << EPSIZE0); + } + + /* Function Prototypes: */ + void Pipe_ClearPipes(void); + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/Core/UC3B/USBController.c b/LUFA/Drivers/USB/Core/UC3B/USBController.c new file mode 100644 index 0000000000..7b95683753 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3B/USBController.c @@ -0,0 +1,233 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#define __INCLUDE_FROM_USB_DRIVER +#define __INCLUDE_FROM_USB_CONTROLLER_C +#include "USBController.h" + +#if (!defined(USB_HOST_ONLY) && !defined(USB_DEVICE_ONLY)) +volatile uint8_t USB_CurrentMode = USB_MODE_None; +#endif + +#if !defined(USE_STATIC_OPTIONS) +volatile uint8_t USB_Options; +#endif + +void USB_Init( + #if defined(USB_CAN_BE_BOTH) + const uint8_t Mode + #endif + + #if (defined(USB_CAN_BE_BOTH) && !defined(USE_STATIC_OPTIONS)) + , + #elif (!defined(USB_CAN_BE_BOTH) && defined(USE_STATIC_OPTIONS)) + void + #endif + + #if !defined(USE_STATIC_OPTIONS) + const uint8_t Options + #endif + ) +{ + #if !defined(USE_STATIC_OPTIONS) + USB_Options = Options; + #endif + + if (!(USB_Options & USB_OPT_REG_DISABLED)) + USB_REG_On(); + else + USB_REG_Off(); + + #if defined(USB_CAN_BE_BOTH) + if (Mode == USB_MODE_UID) + { + UHWCON |= (1 << UIDE); + USB_INT_Enable(USB_INT_IDTI); + USB_CurrentMode = USB_GetUSBModeFromUID(); + } + else + { + USB_CurrentMode = Mode; + } + #endif + + USB_IsInitialized = true; + + USB_ResetInterface(); +} + +void USB_Disable(void) +{ + USB_INT_DisableAllInterrupts(); + USB_INT_ClearAllInterrupts(); + + USB_Detach(); + USB_Controller_Disable(); + + if (!(USB_Options & USB_OPT_MANUAL_PLL)) + USB_PLL_Off(); + + USB_REG_Off(); + + #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) + USB_OTGPAD_Off(); + #endif + + #if defined(USB_CAN_BE_BOTH) + USB_CurrentMode = USB_MODE_None; + #endif + + USB_IsInitialized = false; +} + +void USB_ResetInterface(void) +{ + #if defined(USB_CAN_BE_BOTH) + bool UIDModeSelectEnabled = ((UHWCON & (1 << UIDE)) != 0); + #endif + + USB_INT_DisableAllInterrupts(); + USB_INT_ClearAllInterrupts(); + + USB_Controller_Reset(); + + if (!(USB_Options & USB_OPT_MANUAL_PLL)) + { + #if defined(USB_SERIES_4_AVR) + PLLFRQ = ((1 << PLLUSB) | (1 << PDIV3) | (1 << PDIV1)); + #endif + + USB_PLL_On(); + while (!(USB_PLL_IsReady())); + } + + #if defined(USB_CAN_BE_BOTH) + if (UIDModeSelectEnabled) + { + UHWCON |= (1 << UIDE); + USB_INT_Enable(USB_INT_IDTI); + } + #endif + + USB_CLK_Unfreeze(); + + if (USB_CurrentMode == USB_MODE_Device) + { + #if defined(USB_CAN_BE_DEVICE) + #if (defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)) + UHWCON |= (1 << UIMOD); + #endif + + USB_Init_Device(); + #endif + } + else if (USB_CurrentMode == USB_MODE_Host) + { + #if defined(USB_CAN_BE_HOST) + UHWCON &= ~(1 << UIMOD); + + USB_Init_Host(); + #endif + } + + #if (defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)) + USB_OTGPAD_On(); + #endif +} + +#if defined(USB_CAN_BE_DEVICE) +static void USB_Init_Device(void) +{ + USB_DeviceState = DEVICE_STATE_Unattached; + USB_ConfigurationNumber = 0; + + #if !defined(NO_DEVICE_REMOTE_WAKEUP) + USB_RemoteWakeupEnabled = false; + #endif + + #if !defined(NO_DEVICE_SELF_POWER) + USB_CurrentlySelfPowered = false; + #endif + + #if !defined(FIXED_CONTROL_ENDPOINT_SIZE) + USB_Descriptor_Device_t* DeviceDescriptorPtr; + + if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr) != NO_DESCRIPTOR) + { + #if defined(USE_RAM_DESCRIPTORS) + USB_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size; + #elif defined(USE_EEPROM_DESCRIPTORS) + USB_ControlEndpointSize = eeprom_read_byte(&DeviceDescriptorPtr->Endpoint0Size); + #else + USB_ControlEndpointSize = pgm_read_byte(&DeviceDescriptorPtr->Endpoint0Size); + #endif + } + #endif + + #if (defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)) + if (USB_Options & USB_DEVICE_OPT_LOWSPEED) + USB_Device_SetLowSpeed(); + else + USB_Device_SetFullSpeed(); + + USB_INT_Enable(USB_INT_VBUS); + #endif + + Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL, + ENDPOINT_DIR_OUT, USB_ControlEndpointSize, + ENDPOINT_BANK_SINGLE); + + USB_INT_Clear(USB_INT_SUSPI); + USB_INT_Enable(USB_INT_SUSPI); + USB_INT_Enable(USB_INT_EORSTI); + + USB_Attach(); +} +#endif + +#if defined(USB_CAN_BE_HOST) +static void USB_Init_Host(void) +{ + USB_HostState = HOST_STATE_Unattached; + USB_ControlPipeSize = PIPE_CONTROLPIPE_DEFAULT_SIZE; + + USB_Host_HostMode_On(); + + USB_Host_VBUS_Auto_Off(); + USB_Host_VBUS_Manual_Enable(); + USB_Host_VBUS_Manual_On(); + + USB_INT_Enable(USB_INT_SRPI); + USB_INT_Enable(USB_INT_BCERRI); + + USB_Attach(); +} +#endif + diff --git a/LUFA/Drivers/USB/Core/UC3B/USBController.h b/LUFA/Drivers/USB/Core/UC3B/USBController.h new file mode 100644 index 0000000000..4c903621a6 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3B/USBController.h @@ -0,0 +1,451 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB Controller definitions for the AVR32 UC3B microcontrollers. + * \copydetails Group_USBManagement_UC3B + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_USBManagement + * \defgroup Group_USBManagement_UC3B USB Interface Management (UC3B) + * \brief USB Controller definitions for the AVR32 UC3B microcontrollers. + * + * Functions, macros, variables, enums and types related to the setup and management of the USB interface. + * + * @{ + */ + +#ifndef __USBCONTROLLER_UC3B_H__ +#define __USBCONTROLLER_UC3B_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + #include "../USBMode.h" + #include "../Events.h" + #include "../USBTask.h" + #include "../USBInterrupt.h" + + #if defined(USB_CAN_BE_HOST) || defined(__DOXYGEN__) + #include "../Host.h" + #include "../OTG.h" + #include "../Pipe.h" + #include "../HostStandardReq.h" + #include "../PipeStream.h" + #endif + + #if defined(USB_CAN_BE_DEVICE) || defined(__DOXYGEN__) + #include "../Device.h" + #include "../Endpoint.h" + #include "../DeviceStandardReq.h" + #include "../EndpointStream.h" + #endif + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks and Defines: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + #if !defined(F_CLOCK) + #error F_CLOCK is not defined. You must define F_CLOCK to the frequency of the unprescaled USB controller clock in your project makefile. + #endif + + #if (F_CLOCK == 8000000) + #if (defined(__AVR_AT90USB82__) || defined(__AVR_AT90USB162__) || \ + defined(__AVR_ATmega8U2__) || defined(__AVR_ATmega16U2__) || \ + defined(__AVR_ATmega32U2__)) + #define USB_PLL_PSC 0 + #elif (defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__)) + #define USB_PLL_PSC 0 + #elif (defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__) || defined(__AVR_ATmega32U6__)) + #define USB_PLL_PSC ((1 << PLLP1) | (1 << PLLP0)) + #elif (defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1287__)) + #define USB_PLL_PSC ((1 << PLLP1) | (1 << PLLP0)) + #endif + #elif (F_CLOCK == 16000000) + #if (defined(__AVR_AT90USB82__) || defined(__AVR_AT90USB162__) || \ + defined(__AVR_ATmega8U2__) || defined(__AVR_ATmega16U2__) || \ + defined(__AVR_ATmega32U2__)) + #define USB_PLL_PSC (1 << PLLP0) + #elif (defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__)) + #define USB_PLL_PSC (1 << PINDIV) + #elif (defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_ATmega32U6__)) + #define USB_PLL_PSC ((1 << PLLP2) | (1 << PLLP1)) + #elif (defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__)) + #define USB_PLL_PSC ((1 << PLLP2) | (1 << PLLP0)) + #endif + #endif + + #if !defined(USB_PLL_PSC) + #error No PLL prescale value available for chosen F_CLOCK value and AVR model. + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** \name USB Controller Option Masks */ + //@{ + /** Regulator disable option mask for \ref USB_Init(). This indicates that the internal 3.3V USB data pad + * regulator should be enabled to regulate the data pin voltages to within the USB standard. + * + * \note See USB AVR data sheet for more information on the internal pad regulator. + */ + #define USB_OPT_REG_DISABLED (1 << 1) + + /** Regulator enable option mask for \ref USB_Init(). This indicates that the internal 3.3V USB data pad + * regulator should be disabled and the AVR's VCC level used for the data pads. + * + * \note See USB AVR data sheet for more information on the internal pad regulator. + */ + #define USB_OPT_REG_ENABLED (0 << 1) + + /** Manual PLL control option mask for \ref USB_Init(). This indicates to the library that the user application + * will take full responsibility for controlling the AVR's PLL (used to generate the high frequency clock + * that the USB controller requires) and ensuring that it is locked at the correct frequency for USB operations. + */ + #define USB_OPT_MANUAL_PLL (1 << 2) + + /** Automatic PLL control option mask for \ref USB_Init(). This indicates to the library that the library should + * take full responsibility for controlling the AVR's PLL (used to generate the high frequency clock + * that the USB controller requires) and ensuring that it is locked at the correct frequency for USB operations. + */ + #define USB_OPT_AUTO_PLL (0 << 2) + //@} + + /** \name Endpoint/Pipe Type Masks */ + //@{ + /** Mask for a CONTROL type endpoint or pipe. + * + * \note See \ref Group_EndpointManagement and \ref Group_PipeManagement for endpoint/pipe functions. + */ + #define EP_TYPE_CONTROL 0x00 + + /** Mask for an ISOCHRONOUS type endpoint or pipe. + * + * \note See \ref Group_EndpointManagement and \ref Group_PipeManagement for endpoint/pipe functions. + */ + #define EP_TYPE_ISOCHRONOUS 0x01 + + /** Mask for a BULK type endpoint or pipe. + * + * \note See \ref Group_EndpointManagement and \ref Group_PipeManagement for endpoint/pipe functions. + */ + #define EP_TYPE_BULK 0x02 + + /** Mask for an INTERRUPT type endpoint or pipe. + * + * \note See \ref Group_EndpointManagement and \ref Group_PipeManagement for endpoint/pipe functions. + */ + #define EP_TYPE_INTERRUPT 0x03 + //@} + + #if !defined(USB_STREAM_TIMEOUT_MS) || defined(__DOXYGEN__) + /** Constant for the maximum software timeout period of the USB data stream transfer functions + * (both control and standard) when in either device or host mode. If the next packet of a stream + * is not received or acknowledged within this time period, the stream function will fail. + * + * This value may be overridden in the user project makefile as the value of the + * \ref USB_STREAM_TIMEOUT_MS token, and passed to the compiler using the -D switch. + */ + #define USB_STREAM_TIMEOUT_MS 100 + #endif + + /* Inline Functions: */ + /** Detaches the device from the USB bus. This has the effect of removing the device from any + * attached host, ceasing USB communications. If no host is present, this prevents any host from + * enumerating the device once attached until \ref USB_Attach() is called. + */ + static inline void USB_Detach(void) ATTR_ALWAYS_INLINE; + static inline void USB_Detach(void) + { + UDCON |= (1 << DETACH); + } + + /** Attaches the device to the USB bus. This announces the device's presence to any attached + * USB host, starting the enumeration process. If no host is present, attaching the device + * will allow for enumeration once a host is connected to the device. + * + * This is inexplicably also required for proper operation while in host mode, to enable the + * attachment of a device to the host. This is despite the bit being located in the device-mode + * register and despite the datasheet making no mention of its requirement in host mode. + */ + static inline void USB_Attach(void) ATTR_ALWAYS_INLINE; + static inline void USB_Attach(void) + { + UDCON &= ~(1 << DETACH); + } + + /* Function Prototypes: */ + /** Main function to initialize and start the USB interface. Once active, the USB interface will + * allow for device connection to a host when in device mode, or for device enumeration while in + * host mode. + * + * As the USB library relies on interrupts for the device and host mode enumeration processes, + * the user must enable global interrupts before or shortly after this function is called. In + * device mode, interrupts must be enabled within 500ms of this function being called to ensure + * that the host does not time out whilst enumerating the device. In host mode, interrupts may be + * enabled at the application's leisure however enumeration will not begin of an attached device + * until after this has occurred. + * + * Calling this function when the USB interface is already initialized will cause a complete USB + * interface reset and re-enumeration. + * + * \param[in] Mode This is a mask indicating what mode the USB interface is to be initialized to, a value + * from the \ref USB_Modes_t enum. + * + * \param[in] Options Mask indicating the options which should be used when initializing the USB + * interface to control the USB interface's behaviour. This should be comprised of + * a \c USB_OPT_REG_* mask to control the regulator, a \c USB_OPT_*_PLL mask to control the + * PLL, and a \c USB_DEVICE_OPT_* mask (when the device mode is enabled) to set the device + * mode speed. + * + * \note To reduce the FLASH requirements of the library if only device or host mode is required, + * the mode can be statically set in the project makefile by defining the token \c USB_DEVICE_ONLY + * (for device mode) or \c USB_HOST_ONLY (for host mode), passing the token to the compiler + * via the -D switch. If the mode is statically set, this parameter does not exist in the + * function prototype. + * \n\n + * + * \note To reduce the FLASH requirements of the library if only fixed settings are are required, + * the options may be set statically in the same manner as the mode (see the Mode parameter of + * this function). To statically set the USB options, pass in the \c USE_STATIC_OPTIONS token, + * defined to the appropriate options masks. When the options are statically set, this + * parameter does not exist in the function prototype. + * \n\n + * + * \note The mode parameter does not exist on devices where only one mode is possible, such as USB + * AVR models which only implement the USB device mode in hardware. + * + * \see \ref Group_Device for the \c USB_DEVICE_OPT_* masks. + */ + void USB_Init( + #if defined(USB_CAN_BE_BOTH) || defined(__DOXYGEN__) + const uint8_t Mode + #endif + + #if (defined(USB_CAN_BE_BOTH) && !defined(USE_STATIC_OPTIONS)) || defined(__DOXYGEN__) + , + #elif (!defined(USB_CAN_BE_BOTH) && defined(USE_STATIC_OPTIONS)) + void + #endif + + #if !defined(USE_STATIC_OPTIONS) || defined(__DOXYGEN__) + const uint8_t Options + #endif + ); + + /** Shuts down the USB interface. This turns off the USB interface after deallocating all USB FIFO + * memory, endpoints and pipes. When turned off, no USB functionality can be used until the interface + * is restarted with the \ref USB_Init() function. + */ + void USB_Disable(void); + + /** Resets the interface, when already initialized. This will re-enumerate the device if already connected + * to a host, or re-enumerate an already attached device when in host mode. + */ + void USB_ResetInterface(void); + + /* Global Variables: */ + #if (!defined(USB_HOST_ONLY) && !defined(USB_DEVICE_ONLY)) || defined(__DOXYGEN__) + /** Indicates the mode that the USB interface is currently initialized to, a value from the + * \ref USB_Modes_t enum. + * + * \note This variable should be treated as read-only in the user application, and never manually + * changed in value. + * \n\n + * + * \note When the controller is initialized into UID auto-detection mode, this variable will hold the + * currently selected USB mode (i.e. \ref USB_MODE_Device or \ref USB_MODE_Host). If the controller + * is fixed into a specific mode (either through the \c USB_DEVICE_ONLY or \c USB_HOST_ONLY compile time + * options, or a limitation of the USB controller in the chosen device model) this will evaluate to + * a constant of the appropriate value and will never evaluate to \ref USB_MODE_None even when the + * USB interface is not initialized. + */ + extern volatile uint8_t USB_CurrentMode; + #elif defined(USB_HOST_ONLY) + #define USB_CurrentMode USB_MODE_Host + #elif defined(USB_DEVICE_ONLY) + #define USB_CurrentMode USB_MODE_Device + #endif + + #if !defined(USE_STATIC_OPTIONS) || defined(__DOXYGEN__) + /** Indicates the current USB options that the USB interface was initialized with when \ref USB_Init() + * was called. This value will be one of the \c USB_MODE_* masks defined elsewhere in this module. + * + * \note This variable should be treated as read-only in the user application, and never manually + * changed in value. + */ + extern volatile uint8_t USB_Options; + #elif defined(USE_STATIC_OPTIONS) + #define USB_Options USE_STATIC_OPTIONS + #endif + + /* Enums: */ + /** Enum for the possible USB controller modes, for initialization via \ref USB_Init() and indication back to the + * user application via \ref USB_CurrentMode. + */ + enum USB_Modes_t + { + USB_MODE_None = 0, /**< Indicates that the controller is currently not initialized in any specific USB mode. */ + USB_MODE_Device = 1, /**< Indicates that the controller is currently initialized in USB Device mode. */ + USB_MODE_Host = 2, /**< Indicates that the controller is currently initialized in USB Host mode. */ + USB_MODE_UID = 3, /**< Indicates that the controller should determine the USB mode from the UID pin of the + * USB connector. + */ + }; + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Function Prototypes: */ + #if defined(__INCLUDE_FROM_USB_CONTROLLER_C) + #if defined(USB_CAN_BE_DEVICE) + static void USB_Init_Device(void); + #endif + + #if defined(USB_CAN_BE_HOST) + static void USB_Init_Host(void); + #endif + #endif + + /* Inline Functions: */ + static inline void USB_PLL_On(void) ATTR_ALWAYS_INLINE; + static inline void USB_PLL_On(void) + { + PLLCSR = USB_PLL_PSC; + PLLCSR |= (1 << PLLE); + } + + static inline void USB_PLL_Off(void) ATTR_ALWAYS_INLINE; + static inline void USB_PLL_Off(void) + { + PLLCSR = 0; + } + + static inline bool USB_PLL_IsReady(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool USB_PLL_IsReady(void) + { + return ((PLLCSR & (1 << PLOCK)) ? true : false); + } + + static inline void USB_REG_On(void) ATTR_ALWAYS_INLINE; + static inline void USB_REG_On(void) + { + #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) + UHWCON |= (1 << UVREGE); + #else + REGCR &= ~(1 << REGDIS); + #endif + } + + static inline void USB_REG_Off(void) ATTR_ALWAYS_INLINE; + static inline void USB_REG_Off(void) + { + #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) + UHWCON &= ~(1 << UVREGE); + #else + REGCR |= (1 << REGDIS); + #endif + } + + #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) + static inline void USB_OTGPAD_On(void) ATTR_ALWAYS_INLINE; + static inline void USB_OTGPAD_On(void) + { + USBCON |= (1 << OTGPADE); + } + + static inline void USB_OTGPAD_Off(void) ATTR_ALWAYS_INLINE; + static inline void USB_OTGPAD_Off(void) + { + USBCON &= ~(1 << OTGPADE); + } + #endif + + static inline void USB_CLK_Freeze(void) ATTR_ALWAYS_INLINE; + static inline void USB_CLK_Freeze(void) + { + USBCON |= (1 << FRZCLK); + } + + static inline void USB_CLK_Unfreeze(void) ATTR_ALWAYS_INLINE; + static inline void USB_CLK_Unfreeze(void) + { + USBCON &= ~(1 << FRZCLK); + } + + static inline void USB_Controller_Enable(void) ATTR_ALWAYS_INLINE; + static inline void USB_Controller_Enable(void) + { + USBCON |= (1 << USBE); + } + + static inline void USB_Controller_Disable(void) ATTR_ALWAYS_INLINE; + static inline void USB_Controller_Disable(void) + { + USBCON &= ~(1 << USBE); + } + + static inline void USB_Controller_Reset(void) ATTR_ALWAYS_INLINE; + static inline void USB_Controller_Reset(void) + { + const uint8_t Temp = USBCON; + + USBCON = (Temp & ~(1 << USBE)); + USBCON = (Temp | (1 << USBE)); + } + + #if defined(USB_CAN_BE_BOTH) + static inline uint8_t USB_GetUSBModeFromUID(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t USB_GetUSBModeFromUID(void) + { + if (USBSTA & (1 << ID)) + return USB_MODE_Device; + else + return USB_MODE_Host; + } + #endif + + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/Core/UC3B/USBInterrupt.c b/LUFA/Drivers/USB/Core/UC3B/USBInterrupt.c new file mode 100644 index 0000000000..1f2468d0ce --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3B/USBInterrupt.c @@ -0,0 +1,269 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#define __INCLUDE_FROM_USB_DRIVER +#include "USBInterrupt.h" + +void USB_INT_DisableAllInterrupts(void) +{ + #if defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) + USBCON &= ~((1 << VBUSTE) | (1 << IDTE)); + #elif defined(USB_SERIES_4_AVR) + USBCON &= ~(1 << VBUSTE); + #endif + + #if defined(USB_CAN_BE_BOTH) + OTGIEN = 0; + #endif + + #if defined(USB_CAN_BE_HOST) + UHIEN = 0; + #endif + + #if defined(USB_CAN_BE_DEVICE) + UDIEN = 0; + #endif +} + +void USB_INT_ClearAllInterrupts(void) +{ + #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) + USBINT = 0; + #endif + + #if defined(USB_CAN_BE_BOTH) + OTGINT = 0; + #endif + + #if defined(USB_CAN_BE_HOST) + UHINT = 0; + #endif + + #if defined(USB_CAN_BE_DEVICE) + UDINT = 0; + #endif +} + +ISR(USB_GEN_vect, ISR_BLOCK) +{ + #if defined(USB_CAN_BE_DEVICE) + #if !defined(NO_SOF_EVENTS) + if (USB_INT_HasOccurred(USB_INT_SOFI) && USB_INT_IsEnabled(USB_INT_SOFI)) + { + USB_INT_Clear(USB_INT_SOFI); + + EVENT_USB_Device_StartOfFrame(); + } + #endif + + #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) + if (USB_INT_HasOccurred(USB_INT_VBUS) && USB_INT_IsEnabled(USB_INT_VBUS)) + { + USB_INT_Clear(USB_INT_VBUS); + + if (USB_VBUS_GetStatus()) + { + USB_DeviceState = DEVICE_STATE_Powered; + EVENT_USB_Device_Connect(); + } + else + { + USB_DeviceState = DEVICE_STATE_Unattached; + EVENT_USB_Device_Disconnect(); + } + } + #endif + + if (USB_INT_HasOccurred(USB_INT_SUSPI) && USB_INT_IsEnabled(USB_INT_SUSPI)) + { + USB_INT_Clear(USB_INT_SUSPI); + + USB_INT_Disable(USB_INT_SUSPI); + USB_INT_Enable(USB_INT_WAKEUPI); + + USB_CLK_Freeze(); + + if (!(USB_Options & USB_OPT_MANUAL_PLL)) + USB_PLL_Off(); + + #if defined(USB_SERIES_2_AVR) && !defined(NO_LIMITED_CONTROLLER_CONNECT) + USB_DeviceState = DEVICE_STATE_Unattached; + EVENT_USB_Device_Disconnect(); + #else + USB_DeviceState = DEVICE_STATE_Suspended; + EVENT_USB_Device_Suspend(); + #endif + } + + if (USB_INT_HasOccurred(USB_INT_WAKEUPI) && USB_INT_IsEnabled(USB_INT_WAKEUPI)) + { + if (!(USB_Options & USB_OPT_MANUAL_PLL)) + { + USB_PLL_On(); + while (!(USB_PLL_IsReady())); + } + + USB_CLK_Unfreeze(); + + USB_INT_Clear(USB_INT_WAKEUPI); + + USB_INT_Disable(USB_INT_WAKEUPI); + USB_INT_Enable(USB_INT_SUSPI); + + if (USB_ConfigurationNumber) + USB_DeviceState = DEVICE_STATE_Configured; + else + USB_DeviceState = (USB_Device_IsAddressSet()) ? DEVICE_STATE_Configured : DEVICE_STATE_Powered; + + #if defined(USB_SERIES_2_AVR) && !defined(NO_LIMITED_CONTROLLER_CONNECT) + EVENT_USB_Device_Connect(); + #else + EVENT_USB_Device_WakeUp(); + #endif + } + + if (USB_INT_HasOccurred(USB_INT_EORSTI) && USB_INT_IsEnabled(USB_INT_EORSTI)) + { + USB_INT_Clear(USB_INT_EORSTI); + + USB_DeviceState = DEVICE_STATE_Default; + USB_ConfigurationNumber = 0; + + USB_INT_Clear(USB_INT_SUSPI); + USB_INT_Disable(USB_INT_SUSPI); + USB_INT_Enable(USB_INT_WAKEUPI); + + Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL, + ENDPOINT_DIR_OUT, USB_ControlEndpointSize, + ENDPOINT_BANK_SINGLE); + + #if defined(INTERRUPT_CONTROL_ENDPOINT) + USB_INT_Enable(USB_INT_RXSTPI); + #endif + + EVENT_USB_Device_Reset(); + } + #endif + + #if defined(USB_CAN_BE_HOST) + #if !defined(NO_SOF_EVENTS) + if (USB_INT_HasOccurred(USB_INT_HSOFI) && USB_INT_IsEnabled(USB_INT_HSOFI)) + { + USB_INT_Clear(USB_INT_HSOFI); + + EVENT_USB_Host_StartOfFrame(); + } + #endif + + if (USB_INT_HasOccurred(USB_INT_DDISCI) && USB_INT_IsEnabled(USB_INT_DDISCI)) + { + USB_INT_Clear(USB_INT_DDISCI); + USB_INT_Clear(USB_INT_DCONNI); + USB_INT_Disable(USB_INT_DDISCI); + + EVENT_USB_Host_DeviceUnattached(); + + USB_ResetInterface(); + } + + if (USB_INT_HasOccurred(USB_INT_VBERRI) && USB_INT_IsEnabled(USB_INT_VBERRI)) + { + USB_INT_Clear(USB_INT_VBERRI); + + USB_Host_VBUS_Manual_Off(); + USB_Host_VBUS_Auto_Off(); + + EVENT_USB_Host_HostError(HOST_ERROR_VBusVoltageDip); + EVENT_USB_Host_DeviceUnattached(); + + USB_HostState = HOST_STATE_Unattached; + } + + if (USB_INT_HasOccurred(USB_INT_SRPI) && USB_INT_IsEnabled(USB_INT_SRPI)) + { + USB_INT_Clear(USB_INT_SRPI); + USB_INT_Disable(USB_INT_SRPI); + + EVENT_USB_Host_DeviceAttached(); + + USB_INT_Enable(USB_INT_DDISCI); + + USB_HostState = HOST_STATE_Powered; + } + + if (USB_INT_HasOccurred(USB_INT_BCERRI) && USB_INT_IsEnabled(USB_INT_BCERRI)) + { + USB_INT_Clear(USB_INT_BCERRI); + + EVENT_USB_Host_DeviceEnumerationFailed(HOST_ENUMERROR_NoDeviceDetected, 0); + EVENT_USB_Host_DeviceUnattached(); + + USB_ResetInterface(); + } + #endif + + #if defined(USB_CAN_BE_BOTH) + if (USB_INT_HasOccurred(USB_INT_IDTI) && USB_INT_IsEnabled(USB_INT_IDTI)) + { + USB_INT_Clear(USB_INT_IDTI); + + if (USB_DeviceState != DEVICE_STATE_Unattached) + EVENT_USB_Device_Disconnect(); + + if (USB_HostState != HOST_STATE_Unattached) + EVENT_USB_Host_DeviceUnattached(); + + USB_CurrentMode = USB_GetUSBModeFromUID(); + USB_ResetInterface(); + + EVENT_USB_UIDChange(); + } + #endif +} + +#if defined(INTERRUPT_CONTROL_ENDPOINT) && defined(USB_CAN_BE_DEVICE) +ISR(USB_COM_vect, ISR_BLOCK) +{ + uint8_t PrevSelectedEndpoint = Endpoint_GetCurrentEndpoint(); + + Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP); + USB_INT_Disable(USB_INT_RXSTPI); + + NONATOMIC_BLOCK(NONATOMIC_FORCEOFF) + { + USB_Device_ProcessControlRequest(); + } + + Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP); + USB_INT_Enable(USB_INT_RXSTPI); + Endpoint_SelectEndpoint(PrevSelectedEndpoint); +} +#endif + diff --git a/LUFA/Drivers/USB/Core/UC3B/USBInterrupt.h b/LUFA/Drivers/USB/Core/UC3B/USBInterrupt.h new file mode 100644 index 0000000000..5de68ed3e6 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3B/USBInterrupt.h @@ -0,0 +1,102 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB Controller Interrupt definitions for the AVR32 UC3B microcontrollers. + * + * This file contains definitions required for the correct handling of low level USB service routine interrupts + * from the USB controller. + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +#ifndef __USBINTERRUPT_UC3B_H__ +#define __USBINTERRUPT_UC3B_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Macros: */ + #define USB_INT_Enable(int) MACROS{ USB_INT_GET_EN_REG(int) |= USB_INT_GET_EN_MASK(int); }MACROE + #define USB_INT_Disable(int) MACROS{ USB_INT_GET_EN_REG(int) &= ~(USB_INT_GET_EN_MASK(int)); }MACROE + #define USB_INT_Clear(int) MACROS{ USB_INT_GET_INT_REG(int) &= ~(USB_INT_GET_INT_MASK(int)); }MACROE + #define USB_INT_IsEnabled(int) ((USB_INT_GET_EN_REG(int) & USB_INT_GET_EN_MASK(int)) ? true : false) + #define USB_INT_HasOccurred(int) ((USB_INT_GET_INT_REG(int) & USB_INT_GET_INT_MASK(int)) ? true : false) + + #define USB_INT_GET_EN_REG(EnableReg, EnableMask, FlagReg, FlagMask) EnableReg + #define USB_INT_GET_EN_MASK(EnableReg, EnableMask, FlagReg, FlagMask) EnableMask + #define USB_INT_GET_INT_REG(EnableReg, EnableMask, FlagReg, FlagMask) FlagReg + #define USB_INT_GET_INT_MASK(EnableReg, EnableMask, FlagReg, FlagMask) FlagMask + + #define USB_INT_VBUS USBCON, (1 << VBUSTE) , USBINT, (1 << VBUSTI) + #define USB_INT_IDTI USBCON, (1 << IDTE) , USBINT, (1 << IDTI) + #define USB_INT_WAKEUPI UDIEN , (1 << WAKEUPE), UDINT , (1 << WAKEUPI) + #define USB_INT_SUSPI UDIEN , (1 << SUSPE) , UDINT , (1 << SUSPI) + #define USB_INT_EORSTI UDIEN , (1 << EORSTE) , UDINT , (1 << EORSTI) + #define USB_INT_DCONNI UHIEN , (1 << DCONNE) , UHINT , (1 << DCONNI) + #define USB_INT_DDISCI UHIEN , (1 << DDISCE) , UHINT , (1 << DDISCI) + #define USB_INT_BCERRI OTGIEN, (1 << BCERRE) , OTGINT, (1 << BCERRI) + #define USB_INT_VBERRI OTGIEN, (1 << VBERRE) , OTGINT, (1 << VBERRI) + #define USB_INT_SOFI UDIEN, (1 << SOFE) , UDINT , (1 << SOFI) + #define USB_INT_HSOFI UHIEN, (1 << HSOFE) , UHINT , (1 << HSOFI) + #define USB_INT_RSTI UHIEN , (1 << RSTE) , UHINT , (1 << RSTI) + #define USB_INT_SRPI OTGIEN, (1 << SRPE) , OTGINT, (1 << SRPI) + #define USB_INT_RXSTPI UEIENX, (1 << RXSTPE) , UEINTX, (1 << RXSTPI) + + /* Includes: */ + #include "../USBMode.h" + #include "../Events.h" + #include "../USBController.h" + + /* Function Prototypes: */ + void USB_INT_ClearAllInterrupts(void); + void USB_INT_DisableAllInterrupts(void); + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + diff --git a/LUFA/Drivers/USB/Core/USBController.h b/LUFA/Drivers/USB/Core/USBController.h index 9cde9db7a1..2df6df292e 100644 --- a/LUFA/Drivers/USB/Core/USBController.h +++ b/LUFA/Drivers/USB/Core/USBController.h @@ -53,6 +53,8 @@ #if (ARCH == ARCH_AVR8) #include "AVR8/USBController.h" + #elif (ARCH == ARCH_UC3B) + #include "UC3B/USBController.h" #endif /* Preprocessor Checks and Defines: */ diff --git a/LUFA/Drivers/USB/Core/USBInterrupt.h b/LUFA/Drivers/USB/Core/USBInterrupt.h index 00adc40149..f71c2d0360 100644 --- a/LUFA/Drivers/USB/Core/USBInterrupt.h +++ b/LUFA/Drivers/USB/Core/USBInterrupt.h @@ -46,6 +46,8 @@ #if (ARCH == ARCH_AVR8) #include "AVR8/USBInterrupt.h" + #elif (ARCH == ARCH_UC3B) + #include "UC3B/USBInterrupt.h" #endif /* Preprocessor Checks: */ diff --git a/LUFA/Drivers/USB/Core/USBMode.h b/LUFA/Drivers/USB/Core/USBMode.h index 1cb1328124..4acfda2473 100644 --- a/LUFA/Drivers/USB/Core/USBMode.h +++ b/LUFA/Drivers/USB/Core/USBMode.h @@ -82,6 +82,11 @@ */ #define USB_SERIES_7_AVR + /** Indicates that the target AVR microcontroller belongs to the UC3B Series USB controller + * (i.e. AT32UC3B*) when defined. + */ + #define USB_SERIES_UC3B_AVR + /** Indicates that the target microcontroller and compilation settings allow for the * target to be configured in USB Device mode when defined. */ @@ -112,6 +117,13 @@ #define USB_SERIES_7_AVR #define USB_CAN_BE_DEVICE #define USB_CAN_BE_HOST + #elif (defined(__AVR32_UC3B0512__) || defined(__AVR32_UC3B1512__) || \ + defined(__AVR32_UC3B0256__) || defined(__AVR32_UC3B1256__) || \ + defined(__AVR32_UC3B0128__) || defined(__AVR32_UC3B1128__) || \ + defined(__AVR32_UC3B064__) || defined(__AVR32_UC3B164__)) + #define USB_SERIES_UC3B_AVR + #define USB_CAN_BE_DEVICE + #define USB_CAN_BE_HOST #endif #if (defined(USB_CAN_BE_DEVICE) && defined(USB_CAN_BE_HOST)) diff --git a/LUFA/ManPages/ChangeLog.txt b/LUFA/ManPages/ChangeLog.txt index 26700f6c3b..04ce841d37 100644 --- a/LUFA/ManPages/ChangeLog.txt +++ b/LUFA/ManPages/ChangeLog.txt @@ -23,6 +23,7 @@ * - Added new Serial_SendData() function to the Serial driver * - Added board driver support for the Sparkfun ATMEGA8U2 breakout board * - Started internal restructuring for eventual multiple architecture ports + * - Added start of an AVR32 UC3B architecture port (currently incomplete/experimental) * - Library Applications: * - Added ability to write protect Mass Storage disk write operations from the host OS * - Added new MIDIToneGenerator project diff --git a/LUFA/ManPages/DeviceSupport.txt b/LUFA/ManPages/DeviceSupport.txt index c98797382c..b1d78117bf 100644 --- a/LUFA/ManPages/DeviceSupport.txt +++ b/LUFA/ManPages/DeviceSupport.txt @@ -7,6 +7,22 @@ /** * \page Page_DeviceSupport Device and Hardware Support * + * \section Sec_AVR8_Support Atmel 32-Bit UC3B AVR (UC3B) + * The AVR32 UC3B device support is currently experimental, and is included for preview purposes only. + * + * Currently supported UC3B models: + * - AT32UC3B064 (USB Host and Device) + * - AT32UC3B164 (USB Host and Device) + * - AT32UC3B0128 (USB Host and Device) + * - AT32UC3B1128 (USB Host and Device) + * - AT32UC3B0256 (USB Host and Device) + * - AT32UC3B1256 (USB Host and Device) + * - AT32UC3B0512 (USB Host and Device) + * - AT32UC3B1512 (USB Host and Device) + * + * Currently supported Atmel boards (see \ref Group_BoardTypes): + * - EVK1101 + * * \section Sec_AVR8_Support Atmel 8-Bit AVR (AVR8) * * Currently supported AVR8 models: