/*\r
LUFA Library\r
- Copyright (C) Dean Camera, 2010.\r
+ Copyright (C) Dean Camera, 2011.\r
\r
dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
+ www.lufa-lib.org\r
*/\r
\r
/*\r
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+ Copyright 2011 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
#include "EndpointStream.h"\r
\r
#if !defined(CONTROL_ONLY_DEVICE)\r
-uint8_t Endpoint_Discard_Stream(uint16_t Length\r
- __CALLBACK_PARAM)\r
+uint8_t Endpoint_Discard_Stream(uint16_t Length,\r
+ uint16_t* const BytesProcessed)\r
{\r
- uint8_t ErrorCode;\r
+ uint8_t ErrorCode;\r
+ uint16_t BytesInTransfer = 0;\r
\r
if ((ErrorCode = Endpoint_WaitUntilReady()))\r
return ErrorCode;\r
+ \r
+ if (BytesProcessed != NULL)\r
+ Length -= *BytesProcessed;\r
\r
- #if defined(FAST_STREAM_TRANSFERS)\r
- uint8_t BytesRemToAlignment = (Endpoint_BytesInEndpoint() & 0x07);\r
-\r
- if (Length >= 8)\r
+ while (Length)\r
{\r
- Length -= BytesRemToAlignment;\r
+ if (!(Endpoint_IsReadWriteAllowed()))\r
+ {\r
+ Endpoint_ClearOUT();\r
+\r
+ if (BytesProcessed != NULL)\r
+ {\r
+ *BytesProcessed += BytesInTransfer;\r
+ return ENDPOINT_RWSTREAM_IncompleteTransfer;\r
+ }\r
\r
- switch (BytesRemToAlignment)\r
+ if ((ErrorCode = Endpoint_WaitUntilReady()))\r
+ return ErrorCode;\r
+ }\r
+ else\r
{\r
- default:\r
- do\r
- {\r
- if (!(Endpoint_IsReadWriteAllowed()))\r
- {\r
- Endpoint_ClearOUT();\r
-\r
- #if !defined(NO_STREAM_CALLBACKS)\r
- if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))\r
- return ENDPOINT_RWSTREAM_CallbackAborted;\r
- #endif\r
-\r
- if ((ErrorCode = Endpoint_WaitUntilReady()))\r
- return ErrorCode;\r
- }\r
-\r
- Length -= 8;\r
- \r
- Endpoint_Discard_Byte();\r
- case 7: Endpoint_Discard_Byte();\r
- case 6: Endpoint_Discard_Byte();\r
- case 5: Endpoint_Discard_Byte();\r
- case 4: Endpoint_Discard_Byte();\r
- case 3: Endpoint_Discard_Byte();\r
- case 2: Endpoint_Discard_Byte();\r
- case 1: Endpoint_Discard_Byte();\r
- } while (Length >= 8); \r
+ Endpoint_Discard_Byte();\r
+\r
+ Length--;\r
+ BytesInTransfer++;\r
}\r
}\r
- #endif\r
+ \r
+ return ENDPOINT_RWSTREAM_NoError;\r
+}\r
+\r
+uint8_t Endpoint_Null_Stream(uint16_t Length,\r
+ uint16_t* const BytesProcessed)\r
+{\r
+ uint8_t ErrorCode;\r
+ uint16_t BytesInTransfer = 0;\r
+ \r
+ if ((ErrorCode = Endpoint_WaitUntilReady()))\r
+ return ErrorCode;\r
+ \r
+ if (BytesProcessed != NULL)\r
+ Length -= *BytesProcessed;\r
\r
while (Length)\r
{\r
if (!(Endpoint_IsReadWriteAllowed()))\r
{\r
- Endpoint_ClearOUT();\r
+ Endpoint_ClearIN();\r
\r
- #if !defined(NO_STREAM_CALLBACKS)\r
- if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))\r
- return ENDPOINT_RWSTREAM_CallbackAborted;\r
- #endif\r
+ if (BytesProcessed != NULL)\r
+ {\r
+ *BytesProcessed += BytesInTransfer;\r
+ return ENDPOINT_RWSTREAM_IncompleteTransfer;\r
+ }\r
\r
if ((ErrorCode = Endpoint_WaitUntilReady()))\r
return ErrorCode;\r
}\r
else\r
{\r
- Endpoint_Discard_Byte();\r
+ Endpoint_Write_Byte(0);\r
+\r
Length--;\r
+ BytesInTransfer++;\r
}\r
}\r
\r
#define TEMPLATE_BUFFER_TYPE const void*\r
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()\r
#define TEMPLATE_BUFFER_OFFSET(Length) 0\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*((uint8_t*)BufferPtr++))\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*BufferPtr)\r
#include "Template/Template_Endpoint_RW.c"\r
\r
#define TEMPLATE_FUNC_NAME Endpoint_Write_PStream_LE\r
#define TEMPLATE_BUFFER_TYPE const void*\r
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()\r
#define TEMPLATE_BUFFER_OFFSET(Length) 0\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr++))\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte(BufferPtr))\r
#include "Template/Template_Endpoint_RW.c"\r
\r
#define TEMPLATE_FUNC_NAME Endpoint_Write_EStream_LE\r
#define TEMPLATE_BUFFER_TYPE const void*\r
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()\r
#define TEMPLATE_BUFFER_OFFSET(Length) 0\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr++))\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte(BufferPtr))\r
#include "Template/Template_Endpoint_RW.c"\r
\r
#define TEMPLATE_FUNC_NAME Endpoint_Write_Stream_BE\r
#define TEMPLATE_BUFFER_TYPE const void*\r
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()\r
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*((uint8_t*)BufferPtr--))\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*BufferPtr)\r
#include "Template/Template_Endpoint_RW.c"\r
\r
#define TEMPLATE_FUNC_NAME Endpoint_Write_EStream_BE\r
#define TEMPLATE_BUFFER_TYPE const void*\r
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()\r
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr--))\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte(BufferPtr))\r
#include "Template/Template_Endpoint_RW.c"\r
\r
#define TEMPLATE_FUNC_NAME Endpoint_Write_PStream_BE\r
#define TEMPLATE_BUFFER_TYPE const void*\r
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()\r
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr--))\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte(BufferPtr))\r
#include "Template/Template_Endpoint_RW.c"\r
\r
#define TEMPLATE_FUNC_NAME Endpoint_Read_Stream_LE\r
#define TEMPLATE_BUFFER_TYPE void*\r
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT()\r
#define TEMPLATE_BUFFER_OFFSET(Length) 0\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *((uint8_t*)BufferPtr++) = Endpoint_Read_Byte()\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Endpoint_Read_Byte()\r
#include "Template/Template_Endpoint_RW.c"\r
\r
#define TEMPLATE_FUNC_NAME Endpoint_Read_EStream_LE\r
#define TEMPLATE_BUFFER_TYPE void*\r
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT()\r
#define TEMPLATE_BUFFER_OFFSET(Length) 0\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte((uint8_t*)BufferPtr++, Endpoint_Read_Byte())\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte(BufferPtr, Endpoint_Read_Byte())\r
#include "Template/Template_Endpoint_RW.c"\r
\r
#define TEMPLATE_FUNC_NAME Endpoint_Read_Stream_BE\r
#define TEMPLATE_BUFFER_TYPE void*\r
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT()\r
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *((uint8_t*)BufferPtr--) = Endpoint_Read_Byte()\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Endpoint_Read_Byte()\r
#include "Template/Template_Endpoint_RW.c"\r
\r
#define TEMPLATE_FUNC_NAME Endpoint_Read_EStream_BE\r
#define TEMPLATE_BUFFER_TYPE void*\r
#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT()\r
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte((uint8_t*)BufferPtr--, Endpoint_Read_Byte())\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte(BufferPtr, Endpoint_Read_Byte())\r
#include "Template/Template_Endpoint_RW.c"\r
\r
#endif\r
\r
#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_Stream_LE\r
#define TEMPLATE_BUFFER_OFFSET(Length) 0\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*((uint8_t*)BufferPtr++))\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*BufferPtr)\r
#include "Template/Template_Endpoint_Control_W.c"\r
\r
#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_PStream_LE\r
#define TEMPLATE_BUFFER_OFFSET(Length) 0\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr++))\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte(BufferPtr))\r
#include "Template/Template_Endpoint_Control_W.c"\r
\r
#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_EStream_LE\r
#define TEMPLATE_BUFFER_OFFSET(Length) 0\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr++))\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte(BufferPtr))\r
#include "Template/Template_Endpoint_Control_W.c"\r
\r
#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_Stream_BE\r
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*((uint8_t*)BufferPtr--))\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*BufferPtr)\r
#include "Template/Template_Endpoint_Control_W.c"\r
\r
#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_PStream_BE\r
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr--))\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte(BufferPtr))\r
#include "Template/Template_Endpoint_Control_W.c"\r
\r
#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_EStream_BE\r
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr--))\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte(BufferPtr))\r
#include "Template/Template_Endpoint_Control_W.c"\r
\r
#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_Stream_LE\r
#define TEMPLATE_BUFFER_OFFSET(Length) 0\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *((uint8_t*)BufferPtr++) = Endpoint_Read_Byte()\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Endpoint_Read_Byte()\r
#include "Template/Template_Endpoint_Control_R.c"\r
\r
#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_EStream_LE\r
#define TEMPLATE_BUFFER_OFFSET(Length) 0\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte((uint8_t*)BufferPtr++, Endpoint_Read_Byte())\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte(BufferPtr, Endpoint_Read_Byte())\r
#include "Template/Template_Endpoint_Control_R.c"\r
\r
#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_Stream_BE\r
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *((uint8_t*)BufferPtr--) = Endpoint_Read_Byte()\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Endpoint_Read_Byte()\r
#include "Template/Template_Endpoint_Control_R.c"\r
\r
#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_EStream_BE\r
#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)\r
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte((uint8_t*)BufferPtr--, Endpoint_Read_Byte())\r
+#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount\r
+#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte(BufferPtr, Endpoint_Read_Byte())\r
#include "Template/Template_Endpoint_Control_R.c"\r
\r
-#endif
\ No newline at end of file
+#endif