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1242 lines
57 KiB
1242 lines
57 KiB
/*
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LUFA Library
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Copyright (C) Dean Camera, 2010.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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* \brief USB device endpoint management definitions.
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*
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* This file contains structures, function prototypes and macros related to the management of the device's
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* data endpoints when the library is initialized in USB device mode.
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*
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* \note This file should not be included directly. It is automatically included as needed by the USB driver
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* dispatch header located in LUFA/Drivers/USB/USB.h.
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*/
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/** \ingroup Group_USB
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* @defgroup Group_EndpointManagement Endpoint Management
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*
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* Functions, macros and enums related to endpoint management when in USB Device mode. This
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* module contains the endpoint management macros, as well as endpoint interrupt and data
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* send/receive functions for various data types.
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*
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* @{
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*/
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/** @defgroup Group_EndpointRW Endpoint Data Reading and Writing
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*
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* Functions, macros, variables, enums and types related to data reading and writing from and to endpoints.
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*/
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/** \ingroup Group_EndpointRW
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* @defgroup Group_EndpointPrimitiveRW Read/Write of Primitive Data Types
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*
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* Functions, macros, variables, enums and types related to data reading and writing of primitive data types
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* from and to endpoints.
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*/
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/** \ingroup Group_EndpointRW
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* @defgroup Group_EndpointStreamRW Read/Write of Multi-Byte Streams
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*
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* Functions, macros, variables, enums and types related to data reading and writing of data streams from
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* and to endpoints.
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*/
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/** @defgroup Group_EndpointPacketManagement Endpoint Packet Management
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*
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* Functions, macros, variables, enums and types related to packet management of endpoints.
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*/
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#ifndef __ENDPOINT_H__
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#define __ENDPOINT_H__
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/* Includes: */
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#include <avr/io.h>
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#include <avr/pgmspace.h>
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#include <avr/eeprom.h>
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#include <stdbool.h>
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#include "../../../Common/Common.h"
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#include "../HighLevel/USBTask.h"
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#if !defined(NO_STREAM_CALLBACKS) || defined(__DOXYGEN__)
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#include "../HighLevel/StreamCallbacks.h"
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#endif
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/* Enable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* Preprocessor Checks: */
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#if !defined(__INCLUDE_FROM_USB_DRIVER)
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#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
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#endif
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/* Public Interface - May be used in end-application: */
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/* Macros: */
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/** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint
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* should be initialized in the OUT direction - i.e. data flows from host to device.
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*/
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#define ENDPOINT_DIR_OUT (0 << EPDIR)
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/** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint
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* should be initialized in the IN direction - i.e. data flows from device to host.
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*/
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#define ENDPOINT_DIR_IN (1 << EPDIR)
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/** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates
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* that the endpoint should have one single bank, which requires less USB FIFO memory but results
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* in slower transfers as only one USB device (the AVR or the host) can access the endpoint's
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* bank at the one time.
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*/
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#define ENDPOINT_BANK_SINGLE (0 << EPBK0)
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/** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates
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* that the endpoint should have two banks, which requires more USB FIFO memory but results
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* in faster transfers as one USB device (the AVR or the host) can access one bank while the other
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* accesses the second bank.
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*/
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#define ENDPOINT_BANK_DOUBLE (1 << EPBK0)
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/** Endpoint address for the default control endpoint, which always resides in address 0. This is
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* defined for convenience to give more readable code when used with the endpoint macros.
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*/
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#define ENDPOINT_CONTROLEP 0
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#if (!defined(FIXED_CONTROL_ENDPOINT_SIZE) || defined(__DOXYGEN__))
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/** Default size of the default control endpoint's bank, until altered by the Endpoint0Size value
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* in the device descriptor. Not available if the FIXED_CONTROL_ENDPOINT_SIZE token is defined.
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*/
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#define ENDPOINT_CONTROLEP_DEFAULT_SIZE 8
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#endif
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/** Endpoint number mask, for masking against endpoint addresses to retrieve the endpoint's
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* numerical address in the device.
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*/
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#define ENDPOINT_EPNUM_MASK 0x07
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/** Endpoint direction mask, for masking against endpoint addresses to retrieve the endpoint's
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* direction for comparing with the ENDPOINT_DESCRIPTOR_DIR_* masks.
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*/
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#define ENDPOINT_EPDIR_MASK 0x80
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/** Endpoint bank size mask, for masking against endpoint addresses to retrieve the endpoint's
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* bank size in the device.
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*/
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#define ENDPOINT_EPSIZE_MASK 0x7FF
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/** Maximum size in bytes of a given endpoint.
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*
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* \param[in] n Endpoint number, a value between 0 and (ENDPOINT_TOTAL_ENDPOINTS - 1)
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*/
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#define ENDPOINT_MAX_SIZE(n) _ENDPOINT_GET_MAXSIZE(n)
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/** Indicates if the given endpoint supports double banking.
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*
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* \param[in] n Endpoint number, a value between 0 and (ENDPOINT_TOTAL_ENDPOINTS - 1)
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*/
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#define ENDPOINT_DOUBLEBANK_SUPPORTED(n) _ENDPOINT_GET_DOUBLEBANK(n)
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#if !defined(CONTROL_ONLY_DEVICE)
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#if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) || defined(__DOXYGEN__)
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/** Total number of endpoints (including the default control endpoint at address 0) which may
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* be used in the device. Different USB AVR models support different amounts of endpoints,
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* this value reflects the maximum number of endpoints for the currently selected AVR model.
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*/
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#define ENDPOINT_TOTAL_ENDPOINTS 7
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#else
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#define ENDPOINT_TOTAL_ENDPOINTS 5
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#endif
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#else
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#define ENDPOINT_TOTAL_ENDPOINTS 1
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#endif
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/* Pseudo-Function Macros: */
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#if defined(__DOXYGEN__)
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/** Indicates the number of bytes currently stored in the current endpoint's selected bank.
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*
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* \note The return width of this function may differ, depending on the maximum endpoint bank size
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* of the selected AVR model.
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*
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* \ingroup Group_EndpointRW
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*
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* \return Total number of bytes in the currently selected Endpoint's FIFO buffer
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*/
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static inline uint16_t Endpoint_BytesInEndpoint(void);
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/** Get the endpoint address of the currently selected endpoint. This is typically used to save
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* the currently selected endpoint number so that it can be restored after another endpoint has
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* been manipulated.
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*
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* \return Index of the currently selected endpoint
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*/
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static inline uint8_t Endpoint_GetCurrentEndpoint(void);
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/** Selects the given endpoint number. If the address from the device descriptors is used, the
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* value should be masked with the \ref ENDPOINT_EPNUM_MASK constant to extract only the endpoint
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* number (and discarding the endpoint direction bit).
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*
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* Any endpoint operations which do not require the endpoint number to be indicated will operate on
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* the currently selected endpoint.
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*
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* \param[in] EndpointNumber Endpoint number to select
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*/
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static inline void Endpoint_SelectEndpoint(uint8_t EndpointNumber);
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/** Resets the endpoint bank FIFO. This clears all the endpoint banks and resets the USB controller's
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* In and Out pointers to the bank's contents.
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*
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* \param[in] EndpointNumber Endpoint number whose FIFO buffers are to be reset
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*/
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static inline void Endpoint_ResetFIFO(uint8_t EndpointNumber);
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/** Enables the currently selected endpoint so that data can be sent and received through it to
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* and from a host.
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*
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* \note Endpoints must first be configured properly via \ref Endpoint_ConfigureEndpoint().
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*/
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static inline void Endpoint_EnableEndpoint(void);
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/** Disables the currently selected endpoint so that data cannot be sent and received through it
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* to and from a host.
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*/
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static inline void Endpoint_DisableEndpoint(void);
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/** Determines if the currently selected endpoint is enabled, but not necessarily configured.
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*
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* \return Boolean True if the currently selected endpoint is enabled, false otherwise
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*/
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static inline bool Endpoint_IsEnabled(void);
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/** Determines if the currently selected endpoint may be read from (if data is waiting in the endpoint
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* bank and the endpoint is an OUT direction, or if the bank is not yet full if the endpoint is an IN
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* direction). This function will return false if an error has occurred in the endpoint, if the endpoint
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* is an OUT direction and no packet (or an empty packet) has been received, or if the endpoint is an IN
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* direction and the endpoint bank is full.
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*
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* \ingroup Group_EndpointPacketManagement
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*
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* \return Boolean true if the currently selected endpoint may be read from or written to, depending on its direction
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*/
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static inline bool Endpoint_IsReadWriteAllowed(void);
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/** Determines if the currently selected endpoint is configured.
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*
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* \return Boolean true if the currently selected endpoint has been configured, false otherwise
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*/
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static inline bool Endpoint_IsConfigured(void);
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/** Returns a mask indicating which INTERRUPT type endpoints have interrupted - i.e. their
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* interrupt duration has elapsed. Which endpoints have interrupted can be determined by
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* masking the return value against (1 << {Endpoint Number}).
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*
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* \return Mask whose bits indicate which endpoints have interrupted
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*/
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static inline uint8_t Endpoint_GetEndpointInterrupts(void);
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/** Determines if the specified endpoint number has interrupted (valid only for INTERRUPT type
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* endpoints).
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*
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* \param[in] EndpointNumber Index of the endpoint whose interrupt flag should be tested
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*
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* \return Boolean true if the specified endpoint has interrupted, false otherwise
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*/
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static inline bool Endpoint_HasEndpointInterrupted(uint8_t EndpointNumber);
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/** Determines if the selected IN endpoint is ready for a new packet.
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*
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* \ingroup Group_EndpointPacketManagement
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*
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* \return Boolean true if the current endpoint is ready for an IN packet, false otherwise.
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*/
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static inline bool Endpoint_IsINReady(void);
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/** Determines if the selected OUT endpoint has received new packet.
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*
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* \ingroup Group_EndpointPacketManagement
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*
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* \return Boolean true if current endpoint is has received an OUT packet, false otherwise.
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*/
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static inline bool Endpoint_IsOUTReceived(void);
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/** Determines if the current CONTROL type endpoint has received a SETUP packet.
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*
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* \ingroup Group_EndpointPacketManagement
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*
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* \return Boolean true if the selected endpoint has received a SETUP packet, false otherwise.
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*/
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static inline bool Endpoint_IsSETUPReceived(void);
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/** Clears a received SETUP packet on the currently selected CONTROL type endpoint, freeing up the
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* endpoint for the next packet.
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*
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* \ingroup Group_EndpointPacketManagement
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*
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* \note This is not applicable for non CONTROL type endpoints.
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*/
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static inline void Endpoint_ClearSETUP(void);
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/** Sends an IN packet to the host on the currently selected endpoint, freeing up the endpoint for the
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* next packet and switching to the alternative endpoint bank if double banked.
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*
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* \ingroup Group_EndpointPacketManagement
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*/
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static inline void Endpoint_ClearIN(void);
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/** Acknowledges an OUT packet to the host on the currently selected endpoint, freeing up the endpoint
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* for the next packet and switching to the alternative endpoint bank if double banked.
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*
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* \ingroup Group_EndpointPacketManagement
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*/
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static inline void Endpoint_ClearOUT(void);
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/** Stalls the current endpoint, indicating to the host that a logical problem occurred with the
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* indicated endpoint and that the current transfer sequence should be aborted. This provides a
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* way for devices to indicate invalid commands to the host so that the current transfer can be
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* aborted and the host can begin its own recovery sequence.
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*
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* The currently selected endpoint remains stalled until either the \ref Endpoint_ClearStall() macro
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* is called, or the host issues a CLEAR FEATURE request to the device for the currently selected
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* endpoint.
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*
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* \ingroup Group_EndpointPacketManagement
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*/
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static inline void Endpoint_StallTransaction(void);
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/** Clears the STALL condition on the currently selected endpoint.
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*
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* \ingroup Group_EndpointPacketManagement
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*/
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static inline void Endpoint_ClearStall(void);
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/** Determines if the currently selected endpoint is stalled, false otherwise.
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*
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* \ingroup Group_EndpointPacketManagement
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*
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* \return Boolean true if the currently selected endpoint is stalled, false otherwise
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*/
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static inline bool Endpoint_IsStalled(void);
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/** Resets the data toggle of the currently selected endpoint. */
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static inline void Endpoint_ResetDataToggle(void);
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/** Determines the currently selected endpoint's direction.
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*
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* \return The currently selected endpoint's direction, as a ENDPOINT_DIR_* mask.
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*/
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static inline uint8_t Endpoint_GetEndpointDirection(void);
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/** Sets the direction of the currently selected endpoint.
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*
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* \param[in] DirectionMask New endpoint direction, as a ENDPOINT_DIR_* mask.
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*/
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static inline void Endpoint_SetEndpointDirection(uint8_t DirectionMask);
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#else
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#if defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
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#define Endpoint_BytesInEndpoint() UEBCX
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#elif defined(USB_SERIES_4_AVR)
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#define Endpoint_BytesInEndpoint() (((uint16_t)UEBCHX << 8) | UEBCLX)
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#elif defined(USB_SERIES_2_AVR)
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#define Endpoint_BytesInEndpoint() UEBCLX
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#endif
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#if !defined(CONTROL_ONLY_DEVICE)
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#define Endpoint_GetCurrentEndpoint() (UENUM & ENDPOINT_EPNUM_MASK)
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#else
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#define Endpoint_GetCurrentEndpoint() ENDPOINT_CONTROLEP
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#endif
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#if !defined(CONTROL_ONLY_DEVICE)
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#define Endpoint_SelectEndpoint(epnum) MACROS{ UENUM = (epnum); }MACROE
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#else
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#define Endpoint_SelectEndpoint(epnum) (void)(epnum)
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#endif
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#define Endpoint_ResetFIFO(epnum) MACROS{ UERST = (1 << (epnum)); UERST = 0; }MACROE
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#define Endpoint_EnableEndpoint() MACROS{ UECONX |= (1 << EPEN); }MACROE
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#define Endpoint_DisableEndpoint() MACROS{ UECONX &= ~(1 << EPEN); }MACROE
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#define Endpoint_IsEnabled() ((UECONX & (1 << EPEN)) ? true : false)
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#if !defined(CONTROL_ONLY_DEVICE)
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#define Endpoint_IsReadWriteAllowed() ((UEINTX & (1 << RWAL)) ? true : false)
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#endif
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#define Endpoint_IsConfigured() ((UESTA0X & (1 << CFGOK)) ? true : false)
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#define Endpoint_GetEndpointInterrupts() UEINT
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#define Endpoint_HasEndpointInterrupted(n) ((UEINT & (1 << (n))) ? true : false)
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#define Endpoint_IsINReady() ((UEINTX & (1 << TXINI)) ? true : false)
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#define Endpoint_IsOUTReceived() ((UEINTX & (1 << RXOUTI)) ? true : false)
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#define Endpoint_IsSETUPReceived() ((UEINTX & (1 << RXSTPI)) ? true : false)
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#define Endpoint_ClearSETUP() MACROS{ UEINTX &= ~(1 << RXSTPI); }MACROE
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#if !defined(CONTROL_ONLY_DEVICE)
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#define Endpoint_ClearIN() MACROS{ uint8_t Temp = UEINTX; UEINTX = (Temp & ~(1 << TXINI)); \
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UEINTX = (Temp & ~(1 << FIFOCON)); }MACROE
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#else
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#define Endpoint_ClearIN() MACROS{ UEINTX &= ~(1 << TXINI); }MACROE
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#endif
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#if !defined(CONTROL_ONLY_DEVICE)
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#define Endpoint_ClearOUT() MACROS{ uint8_t Temp = UEINTX; UEINTX = (Temp & ~(1 << RXOUTI)); \
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UEINTX = (Temp & ~(1 << FIFOCON)); }MACROE
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#else
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#define Endpoint_ClearOUT() MACROS{ UEINTX &= ~(1 << RXOUTI); }MACROE
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#endif
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#define Endpoint_StallTransaction() MACROS{ UECONX |= (1 << STALLRQ); }MACROE
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#define Endpoint_ClearStall() MACROS{ UECONX |= (1 << STALLRQC); }MACROE
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#define Endpoint_IsStalled() ((UECONX & (1 << STALLRQ)) ? true : false)
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#define Endpoint_ResetDataToggle() MACROS{ UECONX |= (1 << RSTDT); }MACROE
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#define Endpoint_GetEndpointDirection() (UECFG0X & ENDPOINT_DIR_IN)
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#define Endpoint_SetEndpointDirection(dir) MACROS{ UECFG0X = ((UECFG0X & ~ENDPOINT_DIR_IN) | (dir)); }MACROE
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#endif
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/* Enums: */
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/** Enum for the possible error return codes of the \ref Endpoint_WaitUntilReady() function.
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*
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* \ingroup Group_EndpointRW
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*/
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enum Endpoint_WaitUntilReady_ErrorCodes_t
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{
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ENDPOINT_READYWAIT_NoError = 0, /**< Endpoint is ready for next packet, no error. */
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ENDPOINT_READYWAIT_EndpointStalled = 1, /**< The endpoint was stalled during the stream
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* transfer by the host or device.
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*/
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ENDPOINT_READYWAIT_DeviceDisconnected = 2, /**< Device was disconnected from the host while
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* waiting for the endpoint to become ready.
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*/
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ENDPOINT_READYWAIT_Timeout = 3, /**< The host failed to accept or send the next packet
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* within the software timeout period set by the
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* \ref USB_STREAM_TIMEOUT_MS macro.
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*/
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};
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/** Enum for the possible error return codes of the Endpoint_*_Stream_* functions.
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*
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* \ingroup Group_EndpointStreamRW
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*/
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enum Endpoint_Stream_RW_ErrorCodes_t
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{
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ENDPOINT_RWSTREAM_NoError = 0, /**< Command completed successfully, no error. */
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ENDPOINT_RWSTREAM_EndpointStalled = 1, /**< The endpoint was stalled during the stream
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* transfer by the host or device.
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*/
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ENDPOINT_RWSTREAM_DeviceDisconnected = 2, /**< Device was disconnected from the host during
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* the transfer.
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*/
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ENDPOINT_RWSTREAM_Timeout = 3, /**< The host failed to accept or send the next packet
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* within the software timeout period set by the
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* \ref USB_STREAM_TIMEOUT_MS macro.
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*/
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ENDPOINT_RWSTREAM_CallbackAborted = 4, /**< Indicates that the stream's callback function
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* aborted the transfer early.
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*/
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};
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/** Enum for the possible error return codes of the Endpoint_*_Control_Stream_* functions..
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*/
|
|
enum Endpoint_ControlStream_RW_ErrorCodes_t
|
|
{
|
|
ENDPOINT_RWCSTREAM_NoError = 0, /**< Command completed successfully, no error. */
|
|
ENDPOINT_RWCSTREAM_HostAborted = 1, /**< The aborted the transfer prematurely. */
|
|
ENDPOINT_RWCSTREAM_DeviceDisconnected = 2, /**< Device was disconnected from the host during
|
|
* the transfer.
|
|
*/
|
|
};
|
|
|
|
/* Inline Functions: */
|
|
/** Reads one byte from the currently selected endpoint's bank, for OUT direction endpoints.
|
|
*
|
|
* \ingroup Group_EndpointPrimitiveRW
|
|
*
|
|
* \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 UEDATX;
|
|
}
|
|
|
|
/** Writes one byte from the currently selected endpoint's bank, for IN direction endpoints.
|
|
*
|
|
* \ingroup Group_EndpointPrimitiveRW
|
|
*
|
|
* \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)
|
|
{
|
|
UEDATX = Byte;
|
|
}
|
|
|
|
/** Discards one byte from the currently selected endpoint's bank, for OUT direction endpoints.
|
|
*
|
|
* \ingroup Group_EndpointPrimitiveRW
|
|
*/
|
|
static inline void Endpoint_Discard_Byte(void) ATTR_ALWAYS_INLINE;
|
|
static inline void Endpoint_Discard_Byte(void)
|
|
{
|
|
uint8_t Dummy;
|
|
|
|
Dummy = UEDATX;
|
|
}
|
|
|
|
/** Reads two bytes from the currently selected endpoint's bank in little endian format, for OUT
|
|
* direction endpoints.
|
|
*
|
|
* \ingroup Group_EndpointPrimitiveRW
|
|
*
|
|
* \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] = UEDATX;
|
|
Data.Bytes[1] = UEDATX;
|
|
|
|
return Data.Word;
|
|
}
|
|
|
|
/** Reads two bytes from the currently selected endpoint's bank in big endian format, for OUT
|
|
* direction endpoints.
|
|
*
|
|
* \ingroup Group_EndpointPrimitiveRW
|
|
*
|
|
* \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] = UEDATX;
|
|
Data.Bytes[0] = UEDATX;
|
|
|
|
return Data.Word;
|
|
}
|
|
|
|
/** Writes two bytes to the currently selected endpoint's bank in little endian format, for IN
|
|
* direction endpoints.
|
|
*
|
|
* \ingroup Group_EndpointPrimitiveRW
|
|
*
|
|
* \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)
|
|
{
|
|
UEDATX = (Word & 0xFF);
|
|
UEDATX = (Word >> 8);
|
|
}
|
|
|
|
/** Writes two bytes to the currently selected endpoint's bank in big endian format, for IN
|
|
* direction endpoints.
|
|
*
|
|
* \ingroup Group_EndpointPrimitiveRW
|
|
*
|
|
* \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)
|
|
{
|
|
UEDATX = (Word >> 8);
|
|
UEDATX = (Word & 0xFF);
|
|
}
|
|
|
|
/** Discards two bytes from the currently selected endpoint's bank, for OUT direction endpoints.
|
|
*
|
|
* \ingroup Group_EndpointPrimitiveRW
|
|
*/
|
|
static inline void Endpoint_Discard_Word(void) ATTR_ALWAYS_INLINE;
|
|
static inline void Endpoint_Discard_Word(void)
|
|
{
|
|
uint8_t Dummy;
|
|
|
|
Dummy = UEDATX;
|
|
Dummy = UEDATX;
|
|
}
|
|
|
|
/** Reads four bytes from the currently selected endpoint's bank in little endian format, for OUT
|
|
* direction endpoints.
|
|
*
|
|
* \ingroup Group_EndpointPrimitiveRW
|
|
*
|
|
* \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] = UEDATX;
|
|
Data.Bytes[1] = UEDATX;
|
|
Data.Bytes[2] = UEDATX;
|
|
Data.Bytes[3] = UEDATX;
|
|
|
|
return Data.DWord;
|
|
}
|
|
|
|
/** Reads four bytes from the currently selected endpoint's bank in big endian format, for OUT
|
|
* direction endpoints.
|
|
*
|
|
* \ingroup Group_EndpointPrimitiveRW
|
|
*
|
|
* \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] = UEDATX;
|
|
Data.Bytes[2] = UEDATX;
|
|
Data.Bytes[1] = UEDATX;
|
|
Data.Bytes[0] = UEDATX;
|
|
|
|
return Data.DWord;
|
|
}
|
|
|
|
/** Writes four bytes to the currently selected endpoint's bank in little endian format, for IN
|
|
* direction endpoints.
|
|
*
|
|
* \ingroup Group_EndpointPrimitiveRW
|
|
*
|
|
* \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)
|
|
{
|
|
UEDATX = (DWord & 0xFF);
|
|
UEDATX = (DWord >> 8);
|
|
UEDATX = (DWord >> 16);
|
|
UEDATX = (DWord >> 24);
|
|
}
|
|
|
|
/** Writes four bytes to the currently selected endpoint's bank in big endian format, for IN
|
|
* direction endpoints.
|
|
*
|
|
* \ingroup Group_EndpointPrimitiveRW
|
|
*
|
|
* \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)
|
|
{
|
|
UEDATX = (DWord >> 24);
|
|
UEDATX = (DWord >> 16);
|
|
UEDATX = (DWord >> 8);
|
|
UEDATX = (DWord & 0xFF);
|
|
}
|
|
|
|
/** Discards four bytes from the currently selected endpoint's bank, for OUT direction endpoints.
|
|
*
|
|
* \ingroup Group_EndpointPrimitiveRW
|
|
*/
|
|
static inline void Endpoint_Discard_DWord(void) ATTR_ALWAYS_INLINE;
|
|
static inline void Endpoint_Discard_DWord(void)
|
|
{
|
|
uint8_t Dummy;
|
|
|
|
Dummy = UEDATX;
|
|
Dummy = UEDATX;
|
|
Dummy = UEDATX;
|
|
Dummy = UEDATX;
|
|
}
|
|
|
|
/* 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 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
|
|
* FIXED_CONTROL_ENDPOINT_SIZE token - it is recommended that the FIXED_CONTROL_ENDPOINT_SIZE token
|
|
* be used in the 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: */
|
|
#if !defined(NO_STREAM_CALLBACKS) || defined(__DOXYGEN__)
|
|
#define __CALLBACK_PARAM , StreamCallbackPtr_t Callback
|
|
#else
|
|
#define __CALLBACK_PARAM
|
|
#endif
|
|
|
|
/** Configures the specified endpoint number with the given endpoint type, direction, bank size
|
|
* and banking mode. Endpoints should be allocated in ascending order by their address in the
|
|
* device (i.e. endpoint 1 should be configured before endpoint 2 and so on) to prevent fragmentation
|
|
* of the USB FIFO memory.
|
|
*
|
|
* The endpoint type may be one of the EP_TYPE_* macros listed in LowLevel.h and the direction
|
|
* may be either \ref ENDPOINT_DIR_OUT or \ref ENDPOINT_DIR_IN.
|
|
*
|
|
* The bank size must indicate the maximum packet size that the endpoint can handle. Different
|
|
* endpoint numbers can handle different maximum packet sizes - refer to the chosen USB AVR's
|
|
* datasheet to determine the maximum bank size for each endpoint.
|
|
*
|
|
* The banking mode may be either \ref ENDPOINT_BANK_SINGLE or \ref ENDPOINT_BANK_DOUBLE.
|
|
*
|
|
* \note The default control endpoint does not have to be manually configured, as it is automatically
|
|
* configured by the library internally.
|
|
*
|
|
* \note This routine will select the specified endpoint, and the endpoint will remain selected
|
|
* once the routine completes regardless of if the endpoint configuration succeeds.
|
|
*
|
|
* \return Boolean true if the configuration succeeded, false otherwise
|
|
*/
|
|
bool Endpoint_ConfigureEndpoint(const uint8_t Number, const uint8_t Type, const uint8_t Direction,
|
|
const uint16_t Size, const uint8_t Banks);
|
|
|
|
/** 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
|
|
*
|
|
* \return A value from the \ref Endpoint_WaitUntilReady_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_WaitUntilReady(void);
|
|
|
|
/** 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);
|
|
|
|
/** Reads and discards the given number of bytes from the endpoint from the given buffer,
|
|
* discarding fully read packets from the host as needed. The last packet is not automatically
|
|
* discarded once the remaining bytes has been read; the user is responsible for manually
|
|
* discarding the last packet from the host via the \ref Endpoint_ClearOUT() macro. Between
|
|
* each USB packet, the given stream callback function is executed repeatedly until the next
|
|
* packet is ready, allowing for early aborts of stream transfers.
|
|
*
|
|
* The callback routine should be created according to the information in \ref Group_StreamCallbacks.
|
|
* If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are
|
|
* disabled and this function has the Callback parameter omitted.
|
|
*
|
|
* \note This routine should not be used on CONTROL type endpoints.
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[in] Length Number of bytes to send via the currently selected endpoint.
|
|
* \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback
|
|
*
|
|
* \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Discard_Stream(uint16_t Length __CALLBACK_PARAM);
|
|
|
|
/** Writes the given number of bytes to the endpoint from the given buffer in little endian,
|
|
* sending full packets to the host as needed. The last packet filled is not automatically sent;
|
|
* the user is responsible for manually sending the last written packet to the host via the
|
|
* \ref Endpoint_ClearIN() macro. Between each USB packet, the given stream callback function
|
|
* is executed repeatedly until the endpoint is ready to accept the next packet, allowing for early
|
|
* aborts of stream transfers.
|
|
*
|
|
* The callback routine should be created according to the information in \ref Group_StreamCallbacks.
|
|
* If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are
|
|
* disabled and this function has the Callback parameter omitted.
|
|
*
|
|
* \note This routine should not be used on CONTROL type endpoints.
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[in] Buffer Pointer to the source data buffer to read from.
|
|
* \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
|
|
* \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback
|
|
*
|
|
* \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Write_Stream_LE(const void* Buffer, uint16_t Length __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/** EEPROM buffer source version of \ref Endpoint_Write_Stream_LE().
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[in] Buffer Pointer to the source data buffer to read from.
|
|
* \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
|
|
* \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback
|
|
*
|
|
* \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Write_EStream_LE(const void* Buffer, uint16_t Length __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/** FLASH buffer source version of \ref Endpoint_Write_Stream_LE().
|
|
*
|
|
* \note The FLASH data must be located in the first 64KB of FLASH for this function to work correctly.
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[in] Buffer Pointer to the source data buffer to read from.
|
|
* \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
|
|
* \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback
|
|
*
|
|
* \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Write_PStream_LE(const void* Buffer, uint16_t Length __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/** Writes the given number of bytes to the endpoint from the given buffer in big endian,
|
|
* sending full packets to the host as needed. The last packet filled is not automatically sent;
|
|
* the user is responsible for manually sending the last written packet to the host via the
|
|
* \ref Endpoint_ClearIN() macro. Between each USB packet, the given stream callback function
|
|
* is executed repeatedly until the endpoint is ready to accept the next packet, allowing for early
|
|
* aborts of stream transfers.
|
|
*
|
|
* The callback routine should be created according to the information in \ref Group_StreamCallbacks.
|
|
* If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are
|
|
* disabled and this function has the Callback parameter omitted.
|
|
*
|
|
* \note This routine should not be used on CONTROL type endpoints.
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[in] Buffer Pointer to the source data buffer to read from.
|
|
* \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
|
|
* \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback
|
|
*
|
|
* \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Write_Stream_BE(const void* Buffer, uint16_t Length __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/** EEPROM buffer source version of \ref Endpoint_Write_Stream_BE().
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[in] Buffer Pointer to the source data buffer to read from.
|
|
* \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
|
|
* \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback
|
|
*
|
|
* \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Write_EStream_BE(const void* Buffer, uint16_t Length __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/** FLASH buffer source version of \ref Endpoint_Write_Stream_BE().
|
|
*
|
|
* \note The FLASH data must be located in the first 64KB of FLASH for this function to work correctly.
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[in] Buffer Pointer to the source data buffer to read from.
|
|
* \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
|
|
* \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback
|
|
*
|
|
* \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Write_PStream_BE(const void* Buffer, uint16_t Length __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/** Reads the given number of bytes from the endpoint from the given buffer in little endian,
|
|
* discarding fully read packets from the host as needed. The last packet is not automatically
|
|
* discarded once the remaining bytes has been read; the user is responsible for manually
|
|
* discarding the last packet from the host via the \ref Endpoint_ClearOUT() macro. Between
|
|
* each USB packet, the given stream callback function is executed repeatedly until the endpoint
|
|
* is ready to accept the next packet, allowing for early aborts of stream transfers.
|
|
*
|
|
* The callback routine should be created according to the information in \ref Group_StreamCallbacks.
|
|
* If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are
|
|
* disabled and this function has the Callback parameter omitted.
|
|
*
|
|
* \note This routine should not be used on CONTROL type endpoints.
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[out] Buffer Pointer to the destination data buffer to write to.
|
|
* \param[in] Length Number of bytes to send via the currently selected endpoint.
|
|
* \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback
|
|
*
|
|
* \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Read_Stream_LE(void* Buffer, uint16_t Length __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/** EEPROM buffer source version of \ref Endpoint_Read_Stream_LE().
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[out] Buffer Pointer to the destination data buffer to write to, located in EEPROM memory space.
|
|
* \param[in] Length Number of bytes to send via the currently selected endpoint.
|
|
* \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback
|
|
*
|
|
* \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Read_EStream_LE(void* Buffer, uint16_t Length __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/** Reads the given number of bytes from the endpoint from the given buffer in big endian,
|
|
* discarding fully read packets from the host as needed. The last packet is not automatically
|
|
* discarded once the remaining bytes has been read; the user is responsible for manually
|
|
* discarding the last packet from the host via the \ref Endpoint_ClearOUT() macro. Between
|
|
* each USB packet, the given stream callback function is executed repeatedly until the endpoint
|
|
* is ready to accept the next packet, allowing for early aborts of stream transfers.
|
|
*
|
|
* The callback routine should be created according to the information in \ref Group_StreamCallbacks.
|
|
* If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are
|
|
* disabled and this function has the Callback parameter omitted.
|
|
*
|
|
* \note This routine should not be used on CONTROL type endpoints.
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[out] Buffer Pointer to the destination data buffer to write to.
|
|
* \param[in] Length Number of bytes to send via the currently selected endpoint.
|
|
* \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback
|
|
*
|
|
* \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Read_Stream_BE(void* Buffer, uint16_t Length __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/** EEPROM buffer source version of \ref Endpoint_Read_Stream_BE().
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[out] Buffer Pointer to the destination data buffer to write to, located in EEPROM memory space.
|
|
* \param[in] Length Number of bytes to send via the currently selected endpoint.
|
|
* \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback
|
|
*
|
|
* \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Read_EStream_BE(void* Buffer, uint16_t Length __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/** Writes the given number of bytes to the CONTROL type endpoint from the given buffer in little endian,
|
|
* sending full packets to the host as needed. The host OUT acknowledgement is not automatically cleared
|
|
* in both failure and success states; the user is responsible for manually clearing the setup OUT to
|
|
* finalize the transfer via the \ref Endpoint_ClearOUT() macro.
|
|
*
|
|
* \note This function automatically clears the control transfer's status stage. Do not manually attempt
|
|
* to clear the status stage when using this routine in a control transaction.
|
|
*
|
|
* \note This routine should only be used on CONTROL type endpoints.
|
|
*
|
|
* \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
|
|
* together; i.e. the entire stream data must be read or written at the one time.
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[in] Buffer Pointer to the source data buffer to read from.
|
|
* \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
|
|
*
|
|
* \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Write_Control_Stream_LE(const void* Buffer, uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/** EEPROM buffer source version of Endpoint_Write_Control_Stream_LE.
|
|
*
|
|
* \note This function automatically clears the control transfer's status stage. Do not manually attempt
|
|
* to clear the status stage when using this routine in a control transaction.
|
|
*
|
|
* \note This routine should only be used on CONTROL type endpoints.
|
|
*
|
|
* \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
|
|
* together; i.e. the entire stream data must be read or written at the one time.
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[in] Buffer Pointer to the source data buffer to read from.
|
|
* \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
|
|
*
|
|
* \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Write_Control_EStream_LE(const void* Buffer, uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/** FLASH buffer source version of \ref Endpoint_Write_Control_Stream_LE().
|
|
*
|
|
* \note This function automatically clears the control transfer's status stage. Do not manually attempt
|
|
* to clear the status stage when using this routine in a control transaction.
|
|
*
|
|
* \note The FLASH data must be located in the first 64KB of FLASH for this function to work correctly.
|
|
*
|
|
* \note This routine should only be used on CONTROL type endpoints.
|
|
*
|
|
* \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
|
|
* together; i.e. the entire stream data must be read or written at the one time.
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[in] Buffer Pointer to the source data buffer to read from.
|
|
* \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
|
|
*
|
|
* \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Write_Control_PStream_LE(const void* Buffer, uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/** Writes the given number of bytes to the CONTROL type endpoint from the given buffer in big endian,
|
|
* sending full packets to the host as needed. The host OUT acknowledgement is not automatically cleared
|
|
* in both failure and success states; the user is responsible for manually clearing the setup OUT to
|
|
* finalize the transfer via the \ref Endpoint_ClearOUT() macro.
|
|
*
|
|
* \note This function automatically clears the control transfer's status stage. Do not manually attempt
|
|
* to clear the status stage when using this routine in a control transaction.
|
|
*
|
|
* \note This routine should only be used on CONTROL type endpoints.
|
|
*
|
|
* \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
|
|
* together; i.e. the entire stream data must be read or written at the one time.
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[in] Buffer Pointer to the source data buffer to read from.
|
|
* \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
|
|
*
|
|
* \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Write_Control_Stream_BE(const void* Buffer, uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/** EEPROM buffer source version of \ref Endpoint_Write_Control_Stream_BE().
|
|
*
|
|
* \note This function automatically clears the control transfer's status stage. Do not manually attempt
|
|
* to clear the status stage when using this routine in a control transaction.
|
|
*
|
|
* \note This routine should only be used on CONTROL type endpoints.
|
|
*
|
|
* \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
|
|
* together; i.e. the entire stream data must be read or written at the one time.
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[in] Buffer Pointer to the source data buffer to read from.
|
|
* \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
|
|
*
|
|
* \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Write_Control_EStream_BE(const void* Buffer, uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/** FLASH buffer source version of \ref Endpoint_Write_Control_Stream_BE().
|
|
*
|
|
* \note This function automatically clears the control transfer's status stage. Do not manually attempt
|
|
* to clear the status stage when using this routine in a control transaction.
|
|
*
|
|
* \note The FLASH data must be located in the first 64KB of FLASH for this function to work correctly.
|
|
*
|
|
* \note This routine should only be used on CONTROL type endpoints.
|
|
*
|
|
* \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
|
|
* together; i.e. the entire stream data must be read or written at the one time.
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[in] Buffer Pointer to the source data buffer to read from.
|
|
* \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
|
|
*
|
|
* \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Write_Control_PStream_BE(const void* Buffer, uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/** Reads the given number of bytes from the CONTROL endpoint from the given buffer in little endian,
|
|
* discarding fully read packets from the host as needed. The device IN acknowledgement is not
|
|
* automatically sent after success or failure states; the user is responsible for manually sending the
|
|
* setup IN to finalize the transfer via the \ref Endpoint_ClearIN() macro.
|
|
*
|
|
* \note This function automatically clears the control transfer's status stage. Do not manually attempt
|
|
* to clear the status stage when using this routine in a control transaction.
|
|
*
|
|
* \note This routine should only be used on CONTROL type endpoints.
|
|
*
|
|
* \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
|
|
* together; i.e. the entire stream data must be read or written at the one time.
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[out] Buffer Pointer to the destination data buffer to write to.
|
|
* \param[in] Length Number of bytes to send via the currently selected endpoint.
|
|
*
|
|
* \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Read_Control_Stream_LE(void* Buffer, uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/** EEPROM buffer source version of \ref Endpoint_Read_Control_Stream_LE().
|
|
*
|
|
* \note This function automatically clears the control transfer's status stage. Do not manually attempt
|
|
* to clear the status stage when using this routine in a control transaction.
|
|
*
|
|
* \note This routine should only be used on CONTROL type endpoints.
|
|
*
|
|
* \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
|
|
* together; i.e. the entire stream data must be read or written at the one time.
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[out] Buffer Pointer to the destination data buffer to write to.
|
|
* \param[in] Length Number of bytes to send via the currently selected endpoint.
|
|
*
|
|
* \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Read_Control_EStream_LE(void* Buffer, uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/** Reads the given number of bytes from the CONTROL endpoint from the given buffer in big endian,
|
|
* discarding fully read packets from the host as needed. The device IN acknowledgement is not
|
|
* automatically sent after success or failure states; the user is responsible for manually sending the
|
|
* setup IN to finalize the transfer via the \ref Endpoint_ClearIN() macro.
|
|
*
|
|
* \note This function automatically clears the control transfer's status stage. Do not manually attempt
|
|
* to clear the status stage when using this routine in a control transaction.
|
|
*
|
|
* \note This routine should only be used on CONTROL type endpoints.
|
|
*
|
|
* \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
|
|
* together; i.e. the entire stream data must be read or written at the one time.
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[out] Buffer Pointer to the destination data buffer to write to.
|
|
* \param[in] Length Number of bytes to send via the currently selected endpoint.
|
|
*
|
|
* \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Read_Control_Stream_BE(void* Buffer, uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/** EEPROM buffer source version of \ref Endpoint_Read_Control_Stream_BE().
|
|
*
|
|
* \note This function automatically clears the control transfer's status stage. Do not manually attempt
|
|
* to clear the status stage when using this routine in a control transaction.
|
|
*
|
|
* \note This routine should only be used on CONTROL type endpoints.
|
|
*
|
|
* \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
|
|
* together; i.e. the entire stream data must be read or written at the one time.
|
|
*
|
|
* \ingroup Group_EndpointStreamRW
|
|
*
|
|
* \param[out] Buffer Pointer to the destination data buffer to write to.
|
|
* \param[in] Length Number of bytes to send via the currently selected endpoint.
|
|
*
|
|
* \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
|
|
*/
|
|
uint8_t Endpoint_Read_Control_EStream_BE(void* Buffer, uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
|
|
|
|
/* Private Interface - For use in library only: */
|
|
#if !defined(__DOXYGEN__)
|
|
/* Macros: */
|
|
#define Endpoint_AllocateMemory() MACROS{ UECFG1X |= (1 << ALLOC); }MACROE
|
|
#define Endpoint_DeallocateMemory() MACROS{ UECFG1X &= ~(1 << ALLOC); }MACROE
|
|
|
|
#define _ENDPOINT_GET_MAXSIZE(n) _ENDPOINT_GET_MAXSIZE2(ENDPOINT_DETAILS_EP ## n)
|
|
#define _ENDPOINT_GET_MAXSIZE2(details) _ENDPOINT_GET_MAXSIZE3(details)
|
|
#define _ENDPOINT_GET_MAXSIZE3(maxsize, db) maxsize
|
|
|
|
#define _ENDPOINT_GET_DOUBLEBANK(n) _ENDPOINT_GET_DOUBLEBANK2(ENDPOINT_DETAILS_EP ## n)
|
|
#define _ENDPOINT_GET_DOUBLEBANK2(details) _ENDPOINT_GET_DOUBLEBANK3(details)
|
|
#define _ENDPOINT_GET_DOUBLEBANK3(maxsize, db) db
|
|
|
|
#if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
|
|
#define ENDPOINT_DETAILS_EP0 64, true
|
|
#define ENDPOINT_DETAILS_EP1 256, true
|
|
#define ENDPOINT_DETAILS_EP2 64, true
|
|
#define ENDPOINT_DETAILS_EP3 64, true
|
|
#define ENDPOINT_DETAILS_EP4 64, true
|
|
#define ENDPOINT_DETAILS_EP5 64, true
|
|
#define ENDPOINT_DETAILS_EP6 64, true
|
|
#else
|
|
#define ENDPOINT_DETAILS_EP0 64, true
|
|
#define ENDPOINT_DETAILS_EP1 64, false
|
|
#define ENDPOINT_DETAILS_EP2 64, false
|
|
#define ENDPOINT_DETAILS_EP3 64, true
|
|
#define ENDPOINT_DETAILS_EP4 64, true
|
|
#endif
|
|
|
|
#define Endpoint_ConfigureEndpoint(Number, Type, Direction, Size, Banks) \
|
|
Endpoint_ConfigureEndpoint_Prv((Number), \
|
|
(((Type) << EPTYPE0) | (Direction)), \
|
|
((1 << ALLOC) | (Banks) | \
|
|
(__builtin_constant_p(Size) ? \
|
|
Endpoint_BytesToEPSizeMask(Size) : \
|
|
Endpoint_BytesToEPSizeMaskDynamic(Size))))
|
|
|
|
/* Function Prototypes: */
|
|
void Endpoint_ClearEndpoints(void);
|
|
uint8_t Endpoint_BytesToEPSizeMaskDynamic(const uint16_t Size);
|
|
bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number, const uint8_t UECFG0XData, const uint8_t UECFG1XData);
|
|
|
|
/* 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 << EPSIZE0);
|
|
}
|
|
|
|
#endif
|
|
|
|
/* Disable C linkage for C++ Compilers: */
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|
|
/** @} */
|