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/*
LUFA Library
Copyright (C) Dean Camera, 2017.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2017 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 disclaims 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.
*/
#include "../../../../Common/Common.h"
#if (ARCH == ARCH_XMEGA)
#define __INCLUDE_FROM_USB_DRIVER
#include "../USBMode.h"
#if defined(USB_CAN_BE_DEVICE)
#include "EndpointStream_XMEGA.h"
#if !defined(CONTROL_ONLY_DEVICE)
uint8_t Endpoint_Discard_Stream(uint16_t Length,
uint16_t* const BytesProcessed)
{
uint8_t ErrorCode;
uint16_t BytesInTransfer = 0;
if ((ErrorCode = Endpoint_WaitUntilReady()))
return ErrorCode;
if (BytesProcessed != NULL)
Length -= *BytesProcessed;
while (Length)
{
if (!(Endpoint_IsReadWriteAllowed()))
{
Endpoint_ClearOUT();
if (BytesProcessed != NULL)
{
*BytesProcessed += BytesInTransfer;
return ENDPOINT_RWSTREAM_IncompleteTransfer;
}
if ((ErrorCode = Endpoint_WaitUntilReady()))
return ErrorCode;
}
else
{
Endpoint_Discard_8();
Length--;
BytesInTransfer++;
}
}
return ENDPOINT_RWSTREAM_NoError;
}
uint8_t Endpoint_Null_Stream(uint16_t Length,
uint16_t* const BytesProcessed)
{
uint8_t ErrorCode;
uint16_t BytesInTransfer = 0;
if ((ErrorCode = Endpoint_WaitUntilReady()))
return ErrorCode;
if (BytesProcessed != NULL)
Length -= *BytesProcessed;
while (Length)
{
if (!(Endpoint_IsReadWriteAllowed()))
{
Endpoint_ClearIN();
if (BytesProcessed != NULL)
{
*BytesProcessed += BytesInTransfer;
return ENDPOINT_RWSTREAM_IncompleteTransfer;
}
if ((ErrorCode = Endpoint_WaitUntilReady()))
return ErrorCode;
}
else
{
Endpoint_Write_8(0);
Length--;
BytesInTransfer++;
}
}
return ENDPOINT_RWSTREAM_NoError;
}
/* The following abuses the C preprocessor in order to copy-paste common code with slight alterations,
* so that the code needs to be written once. It is a crude form of templating to reduce code maintenance. */
#define TEMPLATE_FUNC_NAME Endpoint_Write_Stream_LE
#define TEMPLATE_BUFFER_TYPE const void*
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()
#define TEMPLATE_BUFFER_OFFSET(Length) 0
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(*BufferPtr)
#include "Template/Template_Endpoint_RW.c"
#define TEMPLATE_FUNC_NAME Endpoint_Write_Stream_BE
#define TEMPLATE_BUFFER_TYPE const void*
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(*BufferPtr)
#include "Template/Template_Endpoint_RW.c"
#define TEMPLATE_FUNC_NAME Endpoint_Read_Stream_LE
#define TEMPLATE_BUFFER_TYPE void*
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT()
#define TEMPLATE_BUFFER_OFFSET(Length) 0
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Endpoint_Read_8()
#include "Template/Template_Endpoint_RW.c"
#define TEMPLATE_FUNC_NAME Endpoint_Read_Stream_BE
#define TEMPLATE_BUFFER_TYPE void*
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT()
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Endpoint_Read_8()
#include "Template/Template_Endpoint_RW.c"
#if defined(ARCH_HAS_FLASH_ADDRESS_SPACE)
#define TEMPLATE_FUNC_NAME Endpoint_Write_PStream_LE
#define TEMPLATE_BUFFER_TYPE const void*
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()
#define TEMPLATE_BUFFER_OFFSET(Length) 0
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(pgm_read_byte(BufferPtr))
#include "Template/Template_Endpoint_RW.c"
#define TEMPLATE_FUNC_NAME Endpoint_Write_PStream_BE
#define TEMPLATE_BUFFER_TYPE const void*
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(pgm_read_byte(BufferPtr))
#include "Template/Template_Endpoint_RW.c"
#endif
#if defined(ARCH_HAS_EEPROM_ADDRESS_SPACE)
#define TEMPLATE_FUNC_NAME Endpoint_Write_EStream_LE
#define TEMPLATE_BUFFER_TYPE const void*
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()
#define TEMPLATE_BUFFER_OFFSET(Length) 0
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(eeprom_read_byte(BufferPtr))
#include "Template/Template_Endpoint_RW.c"
#define TEMPLATE_FUNC_NAME Endpoint_Write_EStream_BE
#define TEMPLATE_BUFFER_TYPE const void*
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(eeprom_read_byte(BufferPtr))
#include "Template/Template_Endpoint_RW.c"
#define TEMPLATE_FUNC_NAME Endpoint_Read_EStream_LE
#define TEMPLATE_BUFFER_TYPE void*
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT()
#define TEMPLATE_BUFFER_OFFSET(Length) 0
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte(BufferPtr, Endpoint_Read_8())
#include "Template/Template_Endpoint_RW.c"
#define TEMPLATE_FUNC_NAME Endpoint_Read_EStream_BE
#define TEMPLATE_BUFFER_TYPE void*
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT()
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte(BufferPtr, Endpoint_Read_8())
#include "Template/Template_Endpoint_RW.c"
#endif
#endif
#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_Stream_LE
#define TEMPLATE_BUFFER_OFFSET(Length) 0
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(*BufferPtr)
#include "Template/Template_Endpoint_Control_W.c"
#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_Stream_BE
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(*BufferPtr)
#include "Template/Template_Endpoint_Control_W.c"
#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_Stream_LE
#define TEMPLATE_BUFFER_OFFSET(Length) 0
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Endpoint_Read_8()
#include "Template/Template_Endpoint_Control_R.c"
#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_Stream_BE
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Endpoint_Read_8()
#include "Template/Template_Endpoint_Control_R.c"
#if defined(ARCH_HAS_FLASH_ADDRESS_SPACE)
#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_PStream_LE
#define TEMPLATE_BUFFER_OFFSET(Length) 0
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(pgm_read_byte(BufferPtr))
#include "Template/Template_Endpoint_Control_W.c"
#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_PStream_BE
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(pgm_read_byte(BufferPtr))
#include "Template/Template_Endpoint_Control_W.c"
#endif
#if defined(ARCH_HAS_EEPROM_ADDRESS_SPACE)
#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_EStream_LE
#define TEMPLATE_BUFFER_OFFSET(Length) 0
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(eeprom_read_byte(BufferPtr))
#include "Template/Template_Endpoint_Control_W.c"
#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_EStream_BE
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(eeprom_read_byte(BufferPtr))
#include "Template/Template_Endpoint_Control_W.c"
#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_EStream_LE
#define TEMPLATE_BUFFER_OFFSET(Length) 0
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte(BufferPtr, Endpoint_Read_8())
#include "Template/Template_Endpoint_Control_R.c"
#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_EStream_BE
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte(BufferPtr, Endpoint_Read_8())
#include "Template/Template_Endpoint_Control_R.c"
#endif
#endif
#endif
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