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Add FatFS library to the Webserver project, extend the HTTP server so that it now...
[pub/USBasp.git] / LUFA / Drivers / USB / LowLevel / Endpoint.c
diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.c b/LUFA/Drivers/USB/LowLevel/Endpoint.c
index f9db9cd..03be118 100644 (file)
--- a/LUFA/Drivers/USB/LowLevel/Endpoint.c
+++ b/LUFA/Drivers/USB/LowLevel/Endpoint.c
@@ -1,21 +1,21 @@
 /*\r
              LUFA Library\r
 /*\r
              LUFA Library\r
-     Copyright (C) Dean Camera, 2009.\r
+     Copyright (C) Dean Camera, 2010.\r
               \r
   dean [at] fourwalledcubicle [dot] com\r
       www.fourwalledcubicle.com\r
 */\r
 \r
 /*\r
               \r
   dean [at] fourwalledcubicle [dot] com\r
       www.fourwalledcubicle.com\r
 */\r
 \r
 /*\r
-  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
-  Permission to use, copy, modify, and distribute this software\r
-  and its documentation for any purpose and without fee is hereby\r
-  granted, provided that the above copyright notice appear in all\r
-  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
+  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 without specific, written prior permission.\r
 \r
   The author disclaim all warranties with regard to this\r
@@ -71,6 +71,30 @@ void Endpoint_ClearEndpoints(void)
        }\r
 }\r
 \r
        }\r
 }\r
 \r
+void Endpoint_ClearStatusStage(void)\r
+{\r
+       if (USB_ControlRequest.bmRequestType & REQDIR_DEVICETOHOST)\r
+       {\r
+               while (!(Endpoint_IsOUTReceived()))\r
+               {\r
+                       if (USB_DeviceState == DEVICE_STATE_Unattached)\r
+                         return;\r
+               }\r
+\r
+               Endpoint_ClearOUT();\r
+       }\r
+       else\r
+       {\r
+               while (!(Endpoint_IsINReady()))\r
+               {\r
+                       if (USB_DeviceState == DEVICE_STATE_Unattached)\r
+                         return;\r
+               }\r
+               \r
+               Endpoint_ClearIN();\r
+       }\r
+}\r
+\r
 #if !defined(CONTROL_ONLY_DEVICE)\r
 uint8_t Endpoint_WaitUntilReady(void)\r
 {\r
 #if !defined(CONTROL_ONLY_DEVICE)\r
 uint8_t Endpoint_WaitUntilReady(void)\r
 {\r
@@ -93,7 +117,7 @@ uint8_t Endpoint_WaitUntilReady(void)
                          return ENDPOINT_READYWAIT_NoError;            \r
                }\r
                \r
                          return ENDPOINT_READYWAIT_NoError;            \r
                }\r
                \r
-               if (!(USB_IsConnected))\r
+               if (USB_DeviceState == DEVICE_STATE_Unattached)\r
                  return ENDPOINT_READYWAIT_DeviceDisconnected;\r
                else if (Endpoint_IsStalled())\r
                  return ENDPOINT_READYWAIT_EndpointStalled;\r
                  return ENDPOINT_READYWAIT_DeviceDisconnected;\r
                else if (Endpoint_IsStalled())\r
                  return ENDPOINT_READYWAIT_EndpointStalled;\r
@@ -183,116 +207,129 @@ uint8_t Endpoint_Discard_Stream(uint16_t Length
        return ENDPOINT_RWSTREAM_NoError;\r
 }\r
 \r
        return ENDPOINT_RWSTREAM_NoError;\r
 }\r
 \r
+/* The following abuses the C preprocessor in order to copy-past common code with slight alterations,\r
+ * so that the code needs to be written once. It is a crude form of templating to reduce code maintenance. */\r
+\r
 #define  TEMPLATE_FUNC_NAME                        Endpoint_Write_Stream_LE\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_CLEAR_ENDPOINT()                 Endpoint_ClearIN()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            0\r
-#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(*(BufferPtr++))\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
 #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_CLEAR_ENDPOINT()                 Endpoint_ClearIN()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            0\r
-#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(pgm_read_byte(BufferPtr++))\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
 #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_CLEAR_ENDPOINT()                 Endpoint_ClearIN()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            0\r
-#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(eeprom_read_byte(BufferPtr++))\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
 #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_CLEAR_ENDPOINT()                 Endpoint_ClearIN()\r
-#define  TEMPLATE_BUFFER_OFFSET(Length)            Length - 1\r
-#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(*(BufferPtr--))\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
 #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_CLEAR_ENDPOINT()                 Endpoint_ClearIN()\r
-#define  TEMPLATE_BUFFER_OFFSET(Length)            Length - 1\r
-#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(eeprom_read_byte(BufferPtr--))\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
 #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_CLEAR_ENDPOINT()                 Endpoint_ClearIN()\r
-#define  TEMPLATE_BUFFER_OFFSET(Length)            Length - 1\r
-#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         Endpoint_Write_Byte(pgm_read_byte(BufferPtr--))\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
 #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_CLEAR_ENDPOINT()                 Endpoint_ClearOUT()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            0\r
-#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         *(BufferPtr++) = Endpoint_Read_Byte()\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
 #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_CLEAR_ENDPOINT()                 Endpoint_ClearOUT()\r
 #define  TEMPLATE_BUFFER_OFFSET(Length)            0\r
-#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         eeprom_write_byte(BufferPtr++, Endpoint_Read_Byte())\r
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         eeprom_write_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
 #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_CLEAR_ENDPOINT()                 Endpoint_ClearOUT()\r
-#define  TEMPLATE_BUFFER_OFFSET(Length)            Length - 1\r
-#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         *(BufferPtr--) = Endpoint_Read_Byte()\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
 #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_CLEAR_ENDPOINT()                 Endpoint_ClearOUT()\r
-#define  TEMPLATE_BUFFER_OFFSET(Length)            Length - 1\r
-#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         eeprom_write_byte(BufferPtr--, Endpoint_Read_Byte())\r
+#define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)\r
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         eeprom_write_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
 #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(*(BufferPtr++))\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
 #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(BufferPtr++))\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
 #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(BufferPtr++))\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
 #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(*(BufferPtr--))\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
 #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(BufferPtr--))\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
 #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(BufferPtr--))\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
 #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)         *(BufferPtr++) = Endpoint_Read_Byte()\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
 #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_write_byte(BufferPtr++, Endpoint_Read_Byte())\r
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         eeprom_write_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
 #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)         *(BufferPtr--) = Endpoint_Read_Byte()\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
 #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_write_byte(BufferPtr--, Endpoint_Read_Byte())\r
+#define  TEMPLATE_BUFFER_OFFSET(Length)            (Length - 1)\r
+#define  TEMPLATE_TRANSFER_BYTE(BufferPtr)         eeprom_write_byte((uint8_t*)BufferPtr--, Endpoint_Read_Byte())\r
 #include "Template/Template_Endpoint_Control_R.c"\r
 \r
 #endif\r
 #include "Template/Template_Endpoint_Control_R.c"\r
 \r
 #endif\r
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