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Initial restructuring of the core USB driver module to support multiple architectures...
[pub/lufa.git] / LUFA / Drivers / USB / Core / EndpointStream.c
diff --git a/LUFA/Drivers/USB/Core/EndpointStream.c b/LUFA/Drivers/USB/Core/EndpointStream.c
new file mode 100644 (file)
index 0000000..974af68
--- /dev/null
+++ b/LUFA/Drivers/USB/Core/EndpointStream.c
@@ -0,0 +1,259 @@
+/*\r
+             LUFA Library\r
+     Copyright (C) Dean Camera, 2011.\r
+              \r
+  dean [at] fourwalledcubicle [dot] com\r
+           www.lufa-lib.org\r
+*/\r
+\r
+/*\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
+  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
+#define  __INCLUDE_FROM_USB_DRIVER\r
+#include "USBMode.h"\r
+\r
+#if defined(USB_CAN_BE_DEVICE)\r
+\r
+#include "EndpointStream.h"\r
+\r
+#if !defined(CONTROL_ONLY_DEVICE)\r
+uint8_t Endpoint_Discard_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
+\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
+\r
+                       Length--;\r
+                       BytesInTransfer++;\r
+               }\r
+       }\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_ClearIN();\r
+\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_Write_Byte(0);\r
+\r
+                       Length--;\r
+                       BytesInTransfer++;\r
+               }\r
+       }\r
+       \r
+       return ENDPOINT_RWSTREAM_NoError;\r
+}\r
+\r
+#define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Stream_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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
Lightweight USB Framework for AVRs