Split out endpoint and pipe stream functions into new EndpointStream.c/.h and PipeStr...
[pub/lufa.git] / LUFA / Drivers / USB / HighLevel / EndpointStream.c
diff --git a/LUFA/Drivers/USB/HighLevel/EndpointStream.c b/LUFA/Drivers/USB/HighLevel/EndpointStream.c
new file mode 100644 (file)
index 0000000..841f661
--- /dev/null
@@ -0,0 +1,233 @@
+/*\r
+             LUFA Library\r
+     Copyright (C) Dean Camera, 2010.\r
+              \r
+  dean [at] fourwalledcubicle [dot] com\r
+      www.fourwalledcubicle.com\r
+*/\r
+\r
+/*\r
+  Copyright 2010  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
+                                __CALLBACK_PARAM)\r
+{\r
+       uint8_t ErrorCode;\r
+       \r
+       if ((ErrorCode = Endpoint_WaitUntilReady()))\r
+         return ErrorCode;\r
+\r
+       #if defined(FAST_STREAM_TRANSFERS)\r
+       uint8_t BytesRemToAlignment = (Endpoint_BytesInEndpoint() & 0x07);\r
+\r
+       if (Length >= 8)\r
+       {\r
+               Length -= BytesRemToAlignment;\r
+\r
+               switch (BytesRemToAlignment)\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
+               }\r
+       }\r
+       #endif\r
+\r
+       while (Length)\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
+               else\r
+               {\r
+                       Endpoint_Discard_Byte();\r
+                       Length--;\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_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(*((uint8_t*)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
+#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
+#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
+#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
+#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
+#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
+#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
+#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
+#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
+#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
+#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
+#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
+#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
+#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
+#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
+#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
+#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
+#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
+#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
+#include "Template/Template_Endpoint_Control_R.c"\r
+\r
+#endif
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