--- /dev/null
+/*
+ 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_UC3)
+
+#define __INCLUDE_FROM_USB_DRIVER
+#include "../USBMode.h"
+
+#if defined(USB_CAN_BE_DEVICE)
+
+#include "EndpointStream_UC3.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"
+
+#endif
+
+#endif
projects / qmk_firmware.git / blobdiff