You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
196 lines
10 KiB
196 lines
10 KiB
/*
|
|
LUFA Library
|
|
Copyright (C) Dean Camera, 2010.
|
|
|
|
dean [at] fourwalledcubicle [dot] com
|
|
www.fourwalledcubicle.com
|
|
*/
|
|
|
|
/*
|
|
Copyright 2010 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 mode definitions.
|
|
*
|
|
* This file contains structures, function prototypes and macros related to USB device mode.
|
|
*
|
|
* \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_USB
|
|
* @defgroup Group_Device Device Management
|
|
*
|
|
* USB Device mode related macros and enums. This module contains macros and enums which are used when
|
|
* the USB controller is initialized in device mode.
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
#ifndef __USBDEVICE_H__
|
|
#define __USBDEVICE_H__
|
|
|
|
/* Includes: */
|
|
#include <avr/pgmspace.h>
|
|
#include <avr/eeprom.h>
|
|
|
|
#include "../../../Common/Common.h"
|
|
#include "../HighLevel/StdDescriptors.h"
|
|
#include "Endpoint.h"
|
|
|
|
/* Preprocessor Checks: */
|
|
#if (defined(USE_RAM_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS))
|
|
#error USE_RAM_DESCRIPTORS and USE_EEPROM_DESCRIPTORS are mutually exclusive.
|
|
#endif
|
|
|
|
#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: */
|
|
#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\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 standard.
|
|
*/
|
|
#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)
|
|
|
|
/* 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 NO_DEVICE_REMOTE_WAKEUP compile
|
|
* time option is used, this macro is unavailable.
|
|
*
|
|
* \see \ref Group_Descriptors for more information on the RMWAKEUP feature and device descriptors.
|
|
*/
|
|
void USB_Device_SendRemoteWakeup(void);
|
|
|
|
/* Pseudo-Function Macros: */
|
|
#if defined(__DOXYGEN__)
|
|
/** 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.
|
|
*/
|
|
static inline bool USB_Device_EnableSOFEvents(void);
|
|
|
|
/** Disables the device mode Start Of Frame events. When disabled, this stop the firing of the
|
|
* \ref EVENT_USB_Device_StartOfFrame() event when enumerated in device mode.
|
|
*/
|
|
static inline bool USB_Device_DisableSOFEvents(void);
|
|
#else
|
|
#define USB_Device_EnableSOFEvents() MACROS{ USB_INT_Enable(USB_INT_SOFI); }MACROE
|
|
|
|
#define USB_Device_DisableSOFEvents() MACROS{ USB_INT_Disable(USB_INT_SOFI); }MACROE
|
|
#endif
|
|
|
|
/* 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.
|
|
*/
|
|
};
|
|
|
|
/* Function Prototypes: */
|
|
/** Function to retrieve a given descriptor's size and memory location from the given descriptor type value,
|
|
* index and language ID. This function MUST be overridden in the user application (added with full, identical
|
|
* prototype and name so that the library can call it to retrieve descriptor data.
|
|
*
|
|
* \param[in] wValue The type of the descriptor to retrieve in the upper byte, and the index in the
|
|
* lower byte (when more than one descriptor of the given type exists, such as the
|
|
* case of string descriptors). The type may be one of the standard types defined
|
|
* in the DescriptorTypes_t enum, or may be a class-specific descriptor type value.
|
|
* \param[in] wIndex The language ID of the string to return if the wValue type indicates DTYPE_String,
|
|
* otherwise zero for standard descriptors, or as defined in a class-specific
|
|
* standards.
|
|
* \param[out] DescriptorAddress Pointer to the descriptor in memory. This should be set by the routine to
|
|
* the address of the descriptor.
|
|
* \param[out] MemoryAddressSpace A value from the \ref USB_DescriptorMemorySpaces_t enum to indicate the memory
|
|
* space in which the descriptor is stored. This parameter does not exist when one
|
|
* of the USE_*_DESCRIPTORS compile time options is used.
|
|
*
|
|
* \note By default, the library expects all descriptors to be located in flash memory via the PROGMEM attribute.
|
|
* If descriptors should be located in RAM or EEPROM instead (to speed up access in the case of RAM, or to
|
|
* allow the descriptors to be changed dynamically at runtime) either the USE_RAM_DESCRIPTORS or the
|
|
* USE_EEPROM_DESCRIPTORS tokens may be defined in the project makefile and passed to the compiler by the -D
|
|
* switch.
|
|
*
|
|
* \return Size in bytes of the descriptor if it exists, zero or \ref NO_DESCRIPTOR otherwise.
|
|
*/
|
|
uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress
|
|
#if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS)
|
|
, uint8_t* MemoryAddressSpace
|
|
#endif
|
|
)
|
|
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
|
|
|
|
/* Private Interface - For use in library only: */
|
|
#if !defined(__DOXYGEN__)
|
|
/* Macros: */
|
|
#define USB_Device_SetLowSpeed() MACROS{ UDCON |= (1 << LSM); }MACROE
|
|
#define USB_Device_SetFullSpeed() MACROS{ UDCON &= ~(1 << LSM); }MACROE
|
|
#endif
|
|
|
|
#endif
|
|
|
|
/** @} */
|