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New HID report item macros (with HID_RI_ prefix) to allow for easy creation and editi...
[pub/USBasp.git] / LUFA / Drivers / USB / HighLevel / EndpointStream.c
diff --git a/LUFA/Drivers/USB/HighLevel/EndpointStream.c b/LUFA/Drivers/USB/HighLevel/EndpointStream.c
index 794c917..974af68 100644 (file)
--- a/LUFA/Drivers/USB/HighLevel/EndpointStream.c
+++ b/LUFA/Drivers/USB/HighLevel/EndpointStream.c
@@ -1,13 +1,13 @@
 /*\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
@@ -36,72 +36,78 @@
 #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
@@ -112,122 +118,142 @@ uint8_t Endpoint_Discard_Stream(uint16_t Length
 #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
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