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Abuse the the C preprocessor so that the HID macros can automatically encode data...
[pub/USBasp.git] / LUFA / Drivers / USB / HighLevel / PipeStream.c
diff --git a/LUFA/Drivers/USB/HighLevel/PipeStream.c b/LUFA/Drivers/USB/HighLevel/PipeStream.c
index 98c5720..4465471 100644 (file)
--- a/LUFA/Drivers/USB/HighLevel/PipeStream.c
+++ b/LUFA/Drivers/USB/HighLevel/PipeStream.c
@@ -35,26 +35,31 @@
 \r
 #include "PipeStream.h"\r
 \r
 \r
 #include "PipeStream.h"\r
 \r
-uint8_t Pipe_Discard_Stream(uint16_t Length\r
-                            __CALLBACK_PARAM)\r
+uint8_t Pipe_Discard_Stream(uint16_t Length,\r
+                            uint16_t* const BytesProcessed)\r
 {\r
        uint8_t  ErrorCode;\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
        \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
        while (Length)\r
        {\r
                if (!(Pipe_IsReadWriteAllowed()))\r
                {\r
                        Pipe_ClearIN();\r
                                \r
-                       #if !defined(NO_STREAM_CALLBACKS)\r
-                       if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))\r
-                         return PIPE_RWSTREAM_CallbackAborted;\r
-                       #endif\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
                        if ((ErrorCode = Pipe_WaitUntilReady()))\r
                          return ErrorCode;\r
@@ -62,7 +67,52 @@ uint8_t Pipe_Discard_Stream(uint16_t Length
                else\r
                {\r
                        Pipe_Discard_Byte();\r
                else\r
                {\r
                        Pipe_Discard_Byte();\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_Byte(0);\r
+                       \r
                        Length--;\r
                        Length--;\r
+                       BytesInTransfer++;\r
                }\r
        }\r
 \r
                }\r
        }\r
 \r
@@ -77,7 +127,8 @@ uint8_t Pipe_Discard_Stream(uint16_t Length
 #define  TEMPLATE_TOKEN                            PIPE_TOKEN_OUT\r
 #define  TEMPLATE_CLEAR_PIPE()                     Pipe_ClearOUT()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            0\r
 #define  TEMPLATE_TOKEN                            PIPE_TOKEN_OUT\r
 #define  TEMPLATE_CLEAR_PIPE()                     Pipe_ClearOUT()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            0\r
-#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Pipe_Write_Byte(*((uint8_t*)BufferPtr++))\r
+#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   DataStream += Amount\r
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Pipe_Write_Byte(*BufferPtr)\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #define  TEMPLATE_FUNC_NAME                        Pipe_Write_PStream_LE\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #define  TEMPLATE_FUNC_NAME                        Pipe_Write_PStream_LE\r
@@ -85,7 +136,8 @@ uint8_t Pipe_Discard_Stream(uint16_t Length
 #define  TEMPLATE_TOKEN                            PIPE_TOKEN_OUT\r
 #define  TEMPLATE_CLEAR_PIPE()                     Pipe_ClearOUT()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            0\r
 #define  TEMPLATE_TOKEN                            PIPE_TOKEN_OUT\r
 #define  TEMPLATE_CLEAR_PIPE()                     Pipe_ClearOUT()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            0\r
-#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Pipe_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr++))\r
+#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   DataStream += Amount\r
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Pipe_Write_Byte(pgm_read_byte(BufferPtr))\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #define  TEMPLATE_FUNC_NAME                        Pipe_Write_EStream_LE\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #define  TEMPLATE_FUNC_NAME                        Pipe_Write_EStream_LE\r
@@ -93,7 +145,8 @@ uint8_t Pipe_Discard_Stream(uint16_t Length
 #define  TEMPLATE_TOKEN                            PIPE_TOKEN_OUT\r
 #define  TEMPLATE_CLEAR_PIPE()                     Pipe_ClearOUT()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            0\r
 #define  TEMPLATE_TOKEN                            PIPE_TOKEN_OUT\r
 #define  TEMPLATE_CLEAR_PIPE()                     Pipe_ClearOUT()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            0\r
-#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Pipe_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr++))\r
+#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   DataStream += Amount\r
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Pipe_Write_Byte(eeprom_read_byte(BufferPtr))\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #define  TEMPLATE_FUNC_NAME                        Pipe_Write_Stream_BE\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #define  TEMPLATE_FUNC_NAME                        Pipe_Write_Stream_BE\r
@@ -101,7 +154,8 @@ uint8_t Pipe_Discard_Stream(uint16_t Length
 #define  TEMPLATE_TOKEN                            PIPE_TOKEN_OUT\r
 #define  TEMPLATE_CLEAR_PIPE()                     Pipe_ClearOUT()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)\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_TRANSFER_BYTE(BufferPtr)         Pipe_Write_Byte(*((uint8_t*)BufferPtr--))\r
+#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   DataStream -= Amount\r
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Pipe_Write_Byte(*BufferPtr)\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #define  TEMPLATE_FUNC_NAME                        Pipe_Write_PStream_BE\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #define  TEMPLATE_FUNC_NAME                        Pipe_Write_PStream_BE\r
@@ -109,7 +163,8 @@ uint8_t Pipe_Discard_Stream(uint16_t Length
 #define  TEMPLATE_TOKEN                            PIPE_TOKEN_OUT\r
 #define  TEMPLATE_CLEAR_PIPE()                     Pipe_ClearOUT()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)\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_TRANSFER_BYTE(BufferPtr)         Pipe_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr--))\r
+#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   DataStream -= Amount\r
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Pipe_Write_Byte(pgm_read_byte(BufferPtr))\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #define  TEMPLATE_FUNC_NAME                        Pipe_Write_EStream_BE\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #define  TEMPLATE_FUNC_NAME                        Pipe_Write_EStream_BE\r
@@ -117,7 +172,8 @@ uint8_t Pipe_Discard_Stream(uint16_t Length
 #define  TEMPLATE_TOKEN                            PIPE_TOKEN_OUT\r
 #define  TEMPLATE_CLEAR_PIPE()                     Pipe_ClearOUT()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)\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_TRANSFER_BYTE(BufferPtr)         Pipe_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr--))\r
+#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   DataStream -= Amount\r
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Pipe_Write_Byte(eeprom_read_byte(BufferPtr))\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #define  TEMPLATE_FUNC_NAME                        Pipe_Read_Stream_LE\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #define  TEMPLATE_FUNC_NAME                        Pipe_Read_Stream_LE\r
@@ -125,7 +181,8 @@ uint8_t Pipe_Discard_Stream(uint16_t Length
 #define  TEMPLATE_TOKEN                            PIPE_TOKEN_IN\r
 #define  TEMPLATE_CLEAR_PIPE()                     Pipe_ClearIN()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            0\r
 #define  TEMPLATE_TOKEN                            PIPE_TOKEN_IN\r
 #define  TEMPLATE_CLEAR_PIPE()                     Pipe_ClearIN()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            0\r
-#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         *((uint8_t*)BufferPtr++) = Pipe_Read_Byte()\r
+#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   DataStream += Amount\r
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         *BufferPtr = Pipe_Read_Byte()\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #define  TEMPLATE_FUNC_NAME                        Pipe_Read_EStream_LE\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #define  TEMPLATE_FUNC_NAME                        Pipe_Read_EStream_LE\r
@@ -133,7 +190,8 @@ uint8_t Pipe_Discard_Stream(uint16_t Length
 #define  TEMPLATE_TOKEN                            PIPE_TOKEN_IN\r
 #define  TEMPLATE_CLEAR_PIPE()                     Pipe_ClearIN()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            0\r
 #define  TEMPLATE_TOKEN                            PIPE_TOKEN_IN\r
 #define  TEMPLATE_CLEAR_PIPE()                     Pipe_ClearIN()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            0\r
-#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         eeprom_update_byte((uint8_t*)BufferPtr++, Pipe_Read_Byte())\r
+#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   DataStream += Amount\r
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         eeprom_update_byte(BufferPtr, Pipe_Read_Byte())\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #define  TEMPLATE_FUNC_NAME                        Pipe_Read_Stream_BE\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #define  TEMPLATE_FUNC_NAME                        Pipe_Read_Stream_BE\r
@@ -141,7 +199,8 @@ uint8_t Pipe_Discard_Stream(uint16_t Length
 #define  TEMPLATE_TOKEN                            PIPE_TOKEN_IN\r
 #define  TEMPLATE_CLEAR_PIPE()                     Pipe_ClearIN()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)\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_TRANSFER_BYTE(BufferPtr)         *((uint8_t*)BufferPtr--) = Pipe_Read_Byte()\r
+#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   DataStream -= Amount\r
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         *BufferPtr = Pipe_Read_Byte()\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #define  TEMPLATE_FUNC_NAME                        Pipe_Read_EStream_BE\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #define  TEMPLATE_FUNC_NAME                        Pipe_Read_EStream_BE\r
@@ -149,7 +208,8 @@ uint8_t Pipe_Discard_Stream(uint16_t Length
 #define  TEMPLATE_TOKEN                            PIPE_TOKEN_IN\r
 #define  TEMPLATE_CLEAR_PIPE()                     Pipe_ClearIN()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)\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_TRANSFER_BYTE(BufferPtr)         eeprom_update_byte((uint8_t*)BufferPtr--, Pipe_Read_Byte())\r
+#define  TEMPLATE_BUFFER_MOVE(BufferPtr, Amount)   DataStream -= Amount\r
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         eeprom_update_byte(BufferPtr, Pipe_Read_Byte())\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #endif\r
 #include "Template/Template_Pipe_RW.c"\r
 \r
 #endif\r
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