-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2012.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.lufa-lib.org\r
-*/\r
-\r
-/*\r
- Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, distribute, and sell this \r
- software and its documentation for any purpose is hereby granted\r
- without fee, provided that the above copyright notice appear in \r
- all copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting \r
- documentation, and that the name of the author not be used in \r
- advertising or publicity pertaining to distribution of the \r
- software without specific, written prior permission.\r
-\r
- The author disclaim all warranties with regard to this\r
- software, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\r
- this software.\r
-*/\r
-\r
-#include "../../../../Common/Common.h"\r
-#if (ARCH == ARCH_UC3)\r
-\r
-#define __INCLUDE_FROM_USB_DRIVER\r
-#include "../USBMode.h"\r
-\r
-#if defined(USB_CAN_BE_HOST)\r
-\r
-#include "PipeStream_UC3.h"\r
-\r
-uint8_t Pipe_Discard_Stream(uint16_t Length,\r
- uint16_t* const BytesProcessed)\r
-{\r
- uint8_t ErrorCode;\r
- uint16_t BytesInTransfer = 0;\r
- \r
- Pipe_SetPipeToken(PIPE_TOKEN_IN);\r
-\r
- if ((ErrorCode = Pipe_WaitUntilReady()))\r
- return ErrorCode;\r
-\r
- if (BytesProcessed != NULL)\r
- Length -= *BytesProcessed;\r
-\r
- while (Length)\r
- {\r
- if (!(Pipe_IsReadWriteAllowed()))\r
- {\r
- Pipe_ClearIN();\r
- \r
- if (BytesProcessed != NULL)\r
- {\r
- *BytesProcessed += BytesInTransfer;\r
- return PIPE_RWSTREAM_IncompleteTransfer;\r
- }\r
-\r
- if ((ErrorCode = Pipe_WaitUntilReady()))\r
- return ErrorCode;\r
- }\r
- else\r
- {\r
- Pipe_Discard_8();\r
- \r
- Length--;\r
- BytesInTransfer++;\r
- }\r
- }\r
-\r
- return PIPE_RWSTREAM_NoError;\r
-}\r
-\r
-uint8_t Pipe_Null_Stream(uint16_t Length,\r
- uint16_t* const BytesProcessed)\r
-{\r
- uint8_t ErrorCode;\r
- uint16_t BytesInTransfer = 0;\r
- \r
- Pipe_SetPipeToken(PIPE_TOKEN_OUT);\r
-\r
- if ((ErrorCode = Pipe_WaitUntilReady()))\r
- return ErrorCode;\r
-\r
- if (BytesProcessed != NULL)\r
- Length -= *BytesProcessed;\r
-\r
- while (Length)\r
- {\r
- if (!(Pipe_IsReadWriteAllowed()))\r
- {\r
- Pipe_ClearOUT();\r
- \r
- if (BytesProcessed != NULL)\r
- {\r
- *BytesProcessed += BytesInTransfer;\r
- return PIPE_RWSTREAM_IncompleteTransfer;\r
- }\r
- \r
- USB_USBTask();\r
-\r
- if ((ErrorCode = Pipe_WaitUntilReady()))\r
- return ErrorCode;\r
- }\r
- else\r
- {\r
- Pipe_Write_8(0);\r
- \r
- Length--;\r
- BytesInTransfer++;\r
- }\r
- }\r
-\r
- return PIPE_RWSTREAM_NoError;\r
-}\r
-\r
-/* The following abuses the C preprocessor in order to copy-paste common code with slight alterations,\r
- * so that the code needs to be written once. It is a crude form of templating to reduce code maintenance. */\r
-\r
-#define TEMPLATE_FUNC_NAME Pipe_Write_Stream_LE\r
-#define TEMPLATE_BUFFER_TYPE const void*\r
-#define TEMPLATE_TOKEN PIPE_TOKEN_OUT\r
-#define TEMPLATE_CLEAR_PIPE() Pipe_ClearOUT()\r
-#define TEMPLATE_BUFFER_OFFSET(Length) 0\r
-#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) DataStream += Amount\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Pipe_Write_8(*BufferPtr)\r
-#include "Template/Template_Pipe_RW.c"\r
-\r
-#define TEMPLATE_FUNC_NAME Pipe_Write_Stream_BE\r
-#define TEMPLATE_BUFFER_TYPE const void*\r
-#define TEMPLATE_TOKEN PIPE_TOKEN_OUT\r
-#define TEMPLATE_CLEAR_PIPE() Pipe_ClearOUT()\r
-#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)\r
-#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) DataStream -= Amount\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Pipe_Write_8(*BufferPtr)\r
-#include "Template/Template_Pipe_RW.c"\r
-\r
-#define TEMPLATE_FUNC_NAME Pipe_Read_Stream_LE\r
-#define TEMPLATE_BUFFER_TYPE void*\r
-#define TEMPLATE_TOKEN PIPE_TOKEN_IN\r
-#define TEMPLATE_CLEAR_PIPE() Pipe_ClearIN()\r
-#define TEMPLATE_BUFFER_OFFSET(Length) 0\r
-#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) DataStream += Amount\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Pipe_Read_8()\r
-#include "Template/Template_Pipe_RW.c"\r
-\r
-#define TEMPLATE_FUNC_NAME Pipe_Read_Stream_BE\r
-#define TEMPLATE_BUFFER_TYPE void*\r
-#define TEMPLATE_TOKEN PIPE_TOKEN_IN\r
-#define TEMPLATE_CLEAR_PIPE() Pipe_ClearIN()\r
-#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)\r
-#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) DataStream -= Amount\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Pipe_Read_8()\r
-#include "Template/Template_Pipe_RW.c"\r
-\r
-#endif\r
-
-#endif\r
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2012.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2012 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.
+*/
+
+#include "../../../../Common/Common.h"
+#if (ARCH == ARCH_UC3)
+
+#define __INCLUDE_FROM_USB_DRIVER
+#include "../USBMode.h"
+
+#if defined(USB_CAN_BE_HOST)
+
+#include "PipeStream_UC3.h"
+
+uint8_t Pipe_Discard_Stream(uint16_t Length,
+ uint16_t* const BytesProcessed)
+{
+ uint8_t ErrorCode;
+ uint16_t BytesInTransfer = 0;
+
+ Pipe_SetPipeToken(PIPE_TOKEN_IN);
+
+ if ((ErrorCode = Pipe_WaitUntilReady()))
+ return ErrorCode;
+
+ if (BytesProcessed != NULL)
+ Length -= *BytesProcessed;
+
+ while (Length)
+ {
+ if (!(Pipe_IsReadWriteAllowed()))
+ {
+ Pipe_ClearIN();
+
+ if (BytesProcessed != NULL)
+ {
+ *BytesProcessed += BytesInTransfer;
+ return PIPE_RWSTREAM_IncompleteTransfer;
+ }
+
+ if ((ErrorCode = Pipe_WaitUntilReady()))
+ return ErrorCode;
+ }
+ else
+ {
+ Pipe_Discard_8();
+
+ Length--;
+ BytesInTransfer++;
+ }
+ }
+
+ return PIPE_RWSTREAM_NoError;
+}
+
+uint8_t Pipe_Null_Stream(uint16_t Length,
+ uint16_t* const BytesProcessed)
+{
+ uint8_t ErrorCode;
+ uint16_t BytesInTransfer = 0;
+
+ Pipe_SetPipeToken(PIPE_TOKEN_OUT);
+
+ if ((ErrorCode = Pipe_WaitUntilReady()))
+ return ErrorCode;
+
+ if (BytesProcessed != NULL)
+ Length -= *BytesProcessed;
+
+ while (Length)
+ {
+ if (!(Pipe_IsReadWriteAllowed()))
+ {
+ Pipe_ClearOUT();
+
+ if (BytesProcessed != NULL)
+ {
+ *BytesProcessed += BytesInTransfer;
+ return PIPE_RWSTREAM_IncompleteTransfer;
+ }
+
+ USB_USBTask();
+
+ if ((ErrorCode = Pipe_WaitUntilReady()))
+ return ErrorCode;
+ }
+ else
+ {
+ Pipe_Write_8(0);
+
+ Length--;
+ BytesInTransfer++;
+ }
+ }
+
+ return PIPE_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 Pipe_Write_Stream_LE
+#define TEMPLATE_BUFFER_TYPE const void*
+#define TEMPLATE_TOKEN PIPE_TOKEN_OUT
+#define TEMPLATE_CLEAR_PIPE() Pipe_ClearOUT()
+#define TEMPLATE_BUFFER_OFFSET(Length) 0
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) DataStream += Amount
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Pipe_Write_8(*BufferPtr)
+#include "Template/Template_Pipe_RW.c"
+
+#define TEMPLATE_FUNC_NAME Pipe_Write_Stream_BE
+#define TEMPLATE_BUFFER_TYPE const void*
+#define TEMPLATE_TOKEN PIPE_TOKEN_OUT
+#define TEMPLATE_CLEAR_PIPE() Pipe_ClearOUT()
+#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) DataStream -= Amount
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Pipe_Write_8(*BufferPtr)
+#include "Template/Template_Pipe_RW.c"
+
+#define TEMPLATE_FUNC_NAME Pipe_Read_Stream_LE
+#define TEMPLATE_BUFFER_TYPE void*
+#define TEMPLATE_TOKEN PIPE_TOKEN_IN
+#define TEMPLATE_CLEAR_PIPE() Pipe_ClearIN()
+#define TEMPLATE_BUFFER_OFFSET(Length) 0
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) DataStream += Amount
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Pipe_Read_8()
+#include "Template/Template_Pipe_RW.c"
+
+#define TEMPLATE_FUNC_NAME Pipe_Read_Stream_BE
+#define TEMPLATE_BUFFER_TYPE void*
+#define TEMPLATE_TOKEN PIPE_TOKEN_IN
+#define TEMPLATE_CLEAR_PIPE() Pipe_ClearIN()
+#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) DataStream -= Amount
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Pipe_Read_8()
+#include "Template/Template_Pipe_RW.c"
+
+#endif
+
+#endif
projects / pub / USBasp.git / blobdiff