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.
299 lines
16 KiB
299 lines
16 KiB
15 years ago
|
/*
|
||
|
|
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 host pipe stream function definitions.
|
||
|
|
*
|
||
|
|
* This file contains structures, function prototypes and macros related to the sending and receiving of
|
||
|
|
* arbitrary data streams through the device's data pipes when the library is initialized in USB host 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_PipeRW
|
||
|
|
* @defgroup Group_PipeStreamRW Read/Write of Multi-Byte Streams
|
||
|
|
*
|
||
|
|
* Functions, macros, variables, enums and types related to data reading and writing of data streams from
|
||
|
|
* and to pipes.
|
||
|
|
*
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __PIPE_STREAM_H__
|
||
|
|
#define __PIPE_STREAM_H__
|
||
|
|
|
||
|
|
/* Includes: */
|
||
|
|
#include <avr/io.h>
|
||
|
|
#include <avr/pgmspace.h>
|
||
|
|
#include <avr/eeprom.h>
|
||
|
|
#include <stdbool.h>
|
||
|
|
|
||
|
|
#include "../../../Common/Common.h"
|
||
|
|
#include "USBTask.h"
|
||
|
|
|
||
|
|
#if !defined(NO_STREAM_CALLBACKS) || defined(__DOXYGEN__)
|
||
|
|
#include "StreamCallbacks.h"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* 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
|
||
|
|
|
||
|
|
#if !defined(NO_STREAM_CALLBACKS) || defined(__DOXYGEN__)
|
||
|
|
#define __CALLBACK_PARAM , StreamCallbackPtr_t Callback
|
||
|
|
#else
|
||
|
|
#define __CALLBACK_PARAM
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Public Interface - May be used in end-application: */
|
||
|
|
/* Enums: */
|
||
|
|
/** Enum for the possible error return codes of the Pipe_*_Stream_* functions. */
|
||
|
|
enum Pipe_Stream_RW_ErrorCodes_t
|
||
|
|
{
|
||
|
|
PIPE_RWSTREAM_NoError = 0, /**< Command completed successfully, no error. */
|
||
|
|
PIPE_RWSTREAM_PipeStalled = 1, /**< The device stalled the pipe during the transfer. */
|
||
|
|
PIPE_RWSTREAM_DeviceDisconnected = 2, /**< Device was disconnected from the host during
|
||
|
|
* the transfer.
|
||
|
|
*/
|
||
|
|
PIPE_RWSTREAM_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.
|
||
|
|
*/
|
||
|
|
PIPE_RWSTREAM_CallbackAborted = 4, /**< Indicates that the stream's callback function aborted
|
||
|
|
* the transfer early.
|
||
|
|
*/
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Function Prototypes: */
|
||
|
|
/** Reads and discards the given number of bytes from the pipe, 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 device via the \ref Pipe_ClearIN() 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.
|
||
|
|
*
|
||
|
|
* The pipe token is set automatically, thus this can be used on bi-directional pipes directly without
|
||
|
|
* having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken().
|
||
|
|
*
|
||
|
|
* \param[in] Length Number of bytes to send via the currently selected pipe.
|
||
|
|
* \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 Pipe_Stream_RW_ErrorCodes_t enum.
|
||
|
|
*/
|
||
|
|
uint8_t Pipe_Discard_Stream(uint16_t Length
|
||
|
|
__CALLBACK_PARAM);
|
||
|
|
|
||
|
|
/** Writes the given number of bytes to the pipe from the given buffer in little endian,
|
||
|
|
* sending full packets to the device 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 Pipe_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.
|
||
|
|
*
|
||
|
|
* The pipe token is set automatically, thus this can be used on bi-directional pipes directly without
|
||
|
|
* having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken().
|
||
|
|
*
|
||
|
|
* \param[in] Buffer Pointer to the source data buffer to read from.
|
||
|
|
* \param[in] Length Number of bytes to read for the currently selected pipe 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 Pipe_Stream_RW_ErrorCodes_t enum.
|
||
|
|
*/
|
||
|
|
uint8_t Pipe_Write_Stream_LE(const void* Buffer,
|
||
|
|
uint16_t Length
|
||
|
|
__CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
|
||
|
|
|
||
|
|
/** EEPROM buffer source version of \ref Pipe_Write_Stream_LE().
|
||
|
|
*
|
||
|
|
* \param[in] Buffer Pointer to the source data buffer to read from.
|
||
|
|
* \param[in] Length Number of bytes to read for the currently selected pipe 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 Pipe_Stream_RW_ErrorCodes_t enum.
|
||
|
|
*/
|
||
|
|
uint8_t Pipe_Write_EStream_LE(const void* Buffer,
|
||
|
|
uint16_t Length
|
||
|
|
__CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
|
||
|
|
|
||
|
|
/** FLASH buffer source version of \ref Pipe_Write_Stream_LE().
|
||
|
|
*
|
||
|
|
* \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly.
|
||
|
|
*
|
||
|
|
* \param[in] Buffer Pointer to the source data buffer to read from.
|
||
|
|
* \param[in] Length Number of bytes to read for the currently selected pipe 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 Pipe_Stream_RW_ErrorCodes_t enum.
|
||
|
|
*/
|
||
|
|
uint8_t Pipe_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 pipe from the given buffer in big endian,
|
||
|
|
* sending full packets to the device 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 Pipe_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.
|
||
|
|
*
|
||
|
|
* The pipe token is set automatically, thus this can be used on bi-directional pipes directly without
|
||
|
|
* having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken().
|
||
|
|
*
|
||
|
|
* \param[in] Buffer Pointer to the source data buffer to read from.
|
||
|
|
* \param[in] Length Number of bytes to read for the currently selected pipe 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 Pipe_Stream_RW_ErrorCodes_t enum.
|
||
|
|
*/
|
||
|
|
uint8_t Pipe_Write_Stream_BE(const void* Buffer,
|
||
|
|
uint16_t Length
|
||
|
|
__CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
|
||
|
|
|
||
|
|
/** EEPROM buffer source version of \ref Pipe_Write_Stream_BE().
|
||
|
|
*
|
||
|
|
* \param[in] Buffer Pointer to the source data buffer to read from.
|
||
|
|
* \param[in] Length Number of bytes to read for the currently selected pipe 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 Pipe_Stream_RW_ErrorCodes_t enum.
|
||
|
|
*/
|
||
|
|
uint8_t Pipe_Write_EStream_BE(const void* Buffer,
|
||
|
|
uint16_t Length
|
||
|
|
__CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
|
||
|
|
|
||
|
|
/** FLASH buffer source version of \ref Pipe_Write_Stream_BE().
|
||
|
|
*
|
||
|
|
* \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly.
|
||
|
|
*
|
||
|
|
* \param[in] Buffer Pointer to the source data buffer to read from.
|
||
|
|
* \param[in] Length Number of bytes to read for the currently selected pipe 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 Pipe_Stream_RW_ErrorCodes_t enum.
|
||
|
|
*/
|
||
|
|
uint8_t Pipe_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 pipe into the given buffer in little endian,
|
||
|
|
* sending full packets to the device 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 Pipe_ClearIN() 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.
|
||
|
|
*
|
||
|
|
* The pipe token is set automatically, thus this can be used on bi-directional pipes directly without
|
||
|
|
* having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken().
|
||
|
|
*
|
||
|
|
* \param[out] Buffer Pointer to the source data buffer to write to.
|
||
|
|
* \param[in] Length Number of bytes to read for the currently selected pipe to read from.
|
||
|
|
* \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 Pipe_Stream_RW_ErrorCodes_t enum.
|
||
|
|
*/
|
||
|
|
uint8_t Pipe_Read_Stream_LE(void* Buffer,
|
||
|
|
uint16_t Length
|
||
|
|
__CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
|
||
|
|
|
||
|
|
/** EEPROM buffer source version of \ref Pipe_Read_Stream_LE().
|
||
|
|
*
|
||
|
|
* \param[out] Buffer Pointer to the source data buffer to write to.
|
||
|
|
* \param[in] Length Number of bytes to read for the currently selected pipe to read from.
|
||
|
|
* \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 Pipe_Stream_RW_ErrorCodes_t enum.
|
||
|
|
*/
|
||
|
|
uint8_t Pipe_Read_EStream_LE(void* Buffer,
|
||
|
|
uint16_t Length
|
||
|
|
__CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
|
||
|
|
|
||
|
|
/** Reads the given number of bytes from the pipe into the given buffer in big endian,
|
||
|
|
* sending full packets to the device 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 Pipe_ClearIN() 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.
|
||
|
|
*
|
||
|
|
* The pipe token is set automatically, thus this can be used on bi-directional pipes directly without
|
||
|
|
* having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken().
|
||
|
|
*
|
||
|
|
* \param[out] Buffer Pointer to the source data buffer to write to.
|
||
|
|
* \param[in] Length Number of bytes to read for the currently selected pipe to read from.
|
||
|
|
* \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 Pipe_Stream_RW_ErrorCodes_t enum.
|
||
|
|
*/
|
||
|
|
uint8_t Pipe_Read_Stream_BE(void* Buffer,
|
||
|
|
uint16_t Length
|
||
|
|
__CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
|
||
|
|
|
||
|
|
/** EEPROM buffer source version of \ref Pipe_Read_Stream_BE().
|
||
|
|
*
|
||
|
|
* \param[out] Buffer Pointer to the source data buffer to write to.
|
||
|
|
* \param[in] Length Number of bytes to read for the currently selected pipe to read from.
|
||
|
|
* \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 Pipe_Stream_RW_ErrorCodes_t enum.
|
||
|
|
*/
|
||
|
|
uint8_t Pipe_Read_EStream_BE(void* Buffer,
|
||
|
|
uint16_t Length
|
||
|
|
__CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
|
||
|
|
|
||
|
|
/* Disable C linkage for C++ Compilers: */
|
||
|
|
#if defined(__cplusplus)
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/** @} */
|