Add FatFS library to the Webserver project, extend the HTTP server so that it now...
[pub/USBasp.git] / LUFA / Drivers / USB / Class / Device / CDC.c
index dcb58dc..b8a673f 100644 (file)
@@ -1,21 +1,21 @@
 /*\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
-  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
   this software.\r
 */\r
 \r
-#define  INCLUDE_FROM_CDC_CLASS_C\r
+#include "../../HighLevel/USBMode.h"\r
+#if defined(USB_CAN_BE_DEVICE)\r
+\r
+#define  INCLUDE_FROM_CDC_CLASS_DEVICE_C\r
 #include "CDC.h"\r
 \r
-void USB_CDC_Event_Stub(void)\r
+void CDC_Device_Event_Stub(void)\r
 {\r
 \r
 }\r
 \r
-void USB_CDC_ProcessControlPacket(USB_ClassInfo_CDC_t* CDCInterfaceInfo)\r
+void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)\r
 {\r
        if (!(Endpoint_IsSETUPReceived()))\r
          return;\r
          \r
-       if (USB_ControlRequest.wIndex != CDCInterfaceInfo->ControlInterfaceNumber)\r
+       if (USB_ControlRequest.wIndex != CDCInterfaceInfo->Config.ControlInterfaceNumber)\r
          return;\r
 \r
        switch (USB_ControlRequest.bRequest)\r
@@ -50,7 +53,7 @@ void USB_CDC_ProcessControlPacket(USB_ClassInfo_CDC_t* CDCInterfaceInfo)
                        if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))\r
                        {\r
                                Endpoint_ClearSETUP();\r
-                               Endpoint_Write_Control_Stream_LE(&CDCInterfaceInfo->LineEncoding, sizeof(CDCInterfaceInfo->LineEncoding));\r
+                               Endpoint_Write_Control_Stream_LE(&CDCInterfaceInfo->State.LineEncoding, sizeof(CDCInterfaceInfo->State.LineEncoding));\r
                                Endpoint_ClearOUT();\r
                        }\r
                        \r
@@ -59,10 +62,10 @@ void USB_CDC_ProcessControlPacket(USB_ClassInfo_CDC_t* CDCInterfaceInfo)
                        if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))\r
                        {\r
                                Endpoint_ClearSETUP();\r
-                               Endpoint_Read_Control_Stream_LE(&CDCInterfaceInfo->LineEncoding, sizeof(CDCInterfaceInfo->LineEncoding));\r
+                               Endpoint_Read_Control_Stream_LE(&CDCInterfaceInfo->State.LineEncoding, sizeof(CDCInterfaceInfo->State.LineEncoding));\r
                                Endpoint_ClearIN();\r
 \r
-                               EVENT_USB_CDC_LineEncodingChanged(CDCInterfaceInfo);\r
+                               EVENT_CDC_Device_LineEncodingChanged(CDCInterfaceInfo);\r
                        }\r
        \r
                        break;\r
@@ -71,37 +74,38 @@ void USB_CDC_ProcessControlPacket(USB_ClassInfo_CDC_t* CDCInterfaceInfo)
                        {                               \r
                                Endpoint_ClearSETUP();\r
                                \r
-                               CDCInterfaceInfo->ControlLineState = USB_ControlRequest.wValue;\r
+                               CDCInterfaceInfo->State.ControlLineStates.HostToDevice = USB_ControlRequest.wValue;\r
                                \r
-                               EVENT_USB_CDC_ControLineStateChanged();\r
+                               EVENT_CDC_Device_ControLineStateChanged(CDCInterfaceInfo);\r
 \r
-                               while (!(Endpoint_IsINReady()));\r
-                               Endpoint_ClearIN();\r
+                               Endpoint_ClearStatusStage();\r
                        }\r
        \r
                        break;\r
        }\r
 }\r
 \r
-bool USB_CDC_ConfigureEndpoints(USB_ClassInfo_CDC_t* CDCInterfaceInfo)\r
+bool CDC_Device_ConfigureEndpoints(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)\r
 {\r
-       if (!(Endpoint_ConfigureEndpoint(CDCInterfaceInfo->DataINEndpointNumber, EP_TYPE_BULK,\r
-                                                                ENDPOINT_DIR_IN, CDCInterfaceInfo->DataINEndpointSize,\r
-                                                                ENDPOINT_BANK_SINGLE)))\r
+       memset(&CDCInterfaceInfo->State, 0x00, sizeof(CDCInterfaceInfo->State));\r
+\r
+       if (!(Endpoint_ConfigureEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber, EP_TYPE_BULK,\r
+                                                                ENDPOINT_DIR_IN, CDCInterfaceInfo->Config.DataINEndpointSize,\r
+                                                                CDCInterfaceInfo->Config.DataINEndpointDoubleBank ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))\r
        {\r
                return false;\r
        }\r
 \r
-       if (!(Endpoint_ConfigureEndpoint(CDCInterfaceInfo->DataOUTEndpointNumber, EP_TYPE_BULK,\r
-                                        ENDPOINT_DIR_OUT, CDCInterfaceInfo->DataOUTEndpointSize,\r
-                                        ENDPOINT_BANK_SINGLE)))\r
+       if (!(Endpoint_ConfigureEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber, EP_TYPE_BULK,\r
+                                        ENDPOINT_DIR_OUT, CDCInterfaceInfo->Config.DataOUTEndpointSize,\r
+                                        CDCInterfaceInfo->Config.DataOUTEndpointDoubleBank ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))\r
        {\r
                return false;\r
        }\r
 \r
-       if (!(Endpoint_ConfigureEndpoint(CDCInterfaceInfo->NotificationEndpointNumber, EP_TYPE_INTERRUPT,\r
-                                        ENDPOINT_DIR_IN, CDCInterfaceInfo->NotificationEndpointSize,\r
-                                        ENDPOINT_BANK_SINGLE)))\r
+       if (!(Endpoint_ConfigureEndpoint(CDCInterfaceInfo->Config.NotificationEndpointNumber, EP_TYPE_INTERRUPT,\r
+                                        ENDPOINT_DIR_IN, CDCInterfaceInfo->Config.NotificationEndpointSize,\r
+                                        CDCInterfaceInfo->Config.NotificationEndpointDoubleBank ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))\r
        {\r
                return false;\r
        }\r
@@ -109,57 +113,102 @@ bool USB_CDC_ConfigureEndpoints(USB_ClassInfo_CDC_t* CDCInterfaceInfo)
        return true;\r
 }\r
 \r
-void USB_CDC_USBTask(USB_ClassInfo_CDC_t* CDCInterfaceInfo)\r
+void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)\r
 {\r
-       if (!(USB_IsConnected))\r
+       if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))\r
          return;\r
 \r
-       Endpoint_SelectEndpoint(CDCInterfaceInfo->DataINEndpointNumber);\r
+       Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);\r
 \r
-       if (!(Endpoint_BytesInEndpoint()))\r
-         return;\r
+       if (Endpoint_IsOUTReceived() && !(Endpoint_BytesInEndpoint()))\r
+         Endpoint_ClearOUT();\r
          \r
-       if (!(Endpoint_IsReadWriteAllowed()))\r
-       {\r
-               Endpoint_ClearIN();\r
-               while (!(Endpoint_IsReadWriteAllowed()));\r
-       }       \r
-       \r
-       Endpoint_ClearIN();\r
+       CDC_Device_Flush(CDCInterfaceInfo);\r
 }\r
 \r
-void USB_CDC_SendString(USB_ClassInfo_CDC_t* CDCInterfaceInfo, char* Data, uint16_t Length)\r
+uint8_t CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, char* const Data, const uint16_t Length)\r
 {\r
-       Endpoint_SelectEndpoint(CDCInterfaceInfo->DataINEndpointNumber);\r
-       Endpoint_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK);\r
+       if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))\r
+         return ENDPOINT_RWSTREAM_DeviceDisconnected;\r
+       \r
+       Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);\r
+       return Endpoint_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK);\r
 }\r
 \r
-void USB_CDC_SendByte(USB_ClassInfo_CDC_t* CDCInterfaceInfo, uint8_t Data)\r
+uint8_t CDC_Device_SendByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, const uint8_t Data)\r
 {\r
-       if (!(USB_IsConnected))\r
-         return;\r
+       if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))\r
+         return ENDPOINT_RWSTREAM_DeviceDisconnected;\r
 \r
-       Endpoint_SelectEndpoint(CDCInterfaceInfo->DataINEndpointNumber);\r
+       Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);\r
 \r
        if (!(Endpoint_IsReadWriteAllowed()))\r
-       {\r
+       {       \r
                Endpoint_ClearIN();\r
-               while (!(Endpoint_IsReadWriteAllowed()));\r
+\r
+               uint8_t ErrorCode;\r
+\r
+               if ((ErrorCode = Endpoint_WaitUntilReady()) != ENDPOINT_READYWAIT_NoError)\r
+                 return ErrorCode;\r
        }\r
 \r
-       Endpoint_Write_Byte(Data);      \r
+       Endpoint_Write_Byte(Data);\r
+       return ENDPOINT_READYWAIT_NoError;\r
 }\r
 \r
-uint16_t USB_CDC_BytesReceived(USB_ClassInfo_CDC_t* CDCInterfaceInfo)\r
+uint8_t CDC_Device_Flush(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)\r
 {\r
-       Endpoint_SelectEndpoint(CDCInterfaceInfo->DataOUTEndpointNumber);\r
+       if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))\r
+         return ENDPOINT_RWSTREAM_DeviceDisconnected;\r
+\r
+       uint8_t ErrorCode;\r
+\r
+       Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);\r
+\r
+       if (!(Endpoint_BytesInEndpoint()))\r
+         return ENDPOINT_READYWAIT_NoError;\r
+       \r
+       bool BankFull = !(Endpoint_IsReadWriteAllowed());\r
+       \r
+       Endpoint_ClearIN();\r
+       \r
+       if (BankFull)\r
+       {\r
+               if ((ErrorCode = Endpoint_WaitUntilReady()) != ENDPOINT_READYWAIT_NoError)\r
+                 return ErrorCode;\r
 \r
-       return Endpoint_BytesInEndpoint();\r
+               Endpoint_ClearIN();\r
+       }\r
+       \r
+       return ENDPOINT_READYWAIT_NoError;\r
 }\r
 \r
-uint8_t USB_CDC_ReceiveByte(USB_ClassInfo_CDC_t* CDCInterfaceInfo)\r
+uint16_t CDC_Device_BytesReceived(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)\r
 {\r
-       Endpoint_SelectEndpoint(CDCInterfaceInfo->DataOUTEndpointNumber);\r
+       if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))\r
+         return 0;\r
+\r
+       Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);\r
+\r
+       if (Endpoint_IsOUTReceived())\r
+       {\r
+               if (!(Endpoint_BytesInEndpoint()))\r
+                 Endpoint_ClearOUT();\r
+\r
+               return Endpoint_BytesInEndpoint();\r
+       }\r
+       else\r
+       {\r
+               return 0;\r
+       }\r
+}\r
+\r
+uint8_t CDC_Device_ReceiveByte(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)\r
+{\r
+       if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))\r
+         return 0;\r
+\r
+       Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);\r
        \r
        uint8_t DataByte = Endpoint_Read_Byte();\r
        \r
@@ -169,9 +218,12 @@ uint8_t USB_CDC_ReceiveByte(USB_ClassInfo_CDC_t* CDCInterfaceInfo)
        return DataByte;\r
 }\r
 \r
-void USB_CDC_SendSerialLineStateChanged(USB_ClassInfo_CDC_t* CDCInterfaceInfo, uint16_t LineStateMask)\r
+void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)\r
 {\r
-       Endpoint_SelectEndpoint(CDCInterfaceInfo->NotificationEndpointNumber);\r
+       if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))\r
+         return;\r
+\r
+       Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.NotificationEndpointNumber);\r
        \r
        USB_Request_Header_t Notification = (USB_Request_Header_t)\r
                {\r
@@ -179,10 +231,53 @@ void USB_CDC_SendSerialLineStateChanged(USB_ClassInfo_CDC_t* CDCInterfaceInfo, u
                        .bRequest      = NOTIF_SerialState,\r
                        .wValue        = 0,\r
                        .wIndex        = 0,\r
-                       .wLength       = sizeof(uint16_t),\r
+                       .wLength       = sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),\r
                };\r
 \r
-       Endpoint_Write_Stream_LE(&Notification, sizeof(Notification), NO_STREAM_CALLBACK);\r
-       Endpoint_Write_Stream_LE(&LineStateMask, sizeof(LineStateMask), NO_STREAM_CALLBACK);\r
+       Endpoint_Write_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NO_STREAM_CALLBACK);\r
+       Endpoint_Write_Stream_LE(&CDCInterfaceInfo->State.ControlLineStates.DeviceToHost,\r
+                                sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),\r
+                                NO_STREAM_CALLBACK);\r
        Endpoint_ClearIN();\r
 }\r
+\r
+void CDC_Device_CreateStream(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo, FILE* Stream)\r
+{\r
+       *Stream = (FILE)FDEV_SETUP_STREAM(CDC_Device_putchar, CDC_Device_getchar, _FDEV_SETUP_RW);\r
+       fdev_set_udata(Stream, CDCInterfaceInfo);\r
+}\r
+\r
+void CDC_Device_CreateBlockingStream(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo, FILE* Stream)\r
+{\r
+       *Stream = (FILE)FDEV_SETUP_STREAM(CDC_Device_putchar, CDC_Device_getchar_Blocking, _FDEV_SETUP_RW);\r
+       fdev_set_udata(Stream, CDCInterfaceInfo);\r
+}\r
+\r
+static int CDC_Device_putchar(char c, FILE* Stream)\r
+{\r
+       return CDC_Device_SendByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream), c) ? _FDEV_ERR : 0;\r
+}\r
+\r
+static int CDC_Device_getchar(FILE* Stream)\r
+{\r
+       if (!(CDC_Device_BytesReceived((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream))))\r
+         return _FDEV_EOF;\r
+\r
+       return CDC_Device_ReceiveByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));\r
+}\r
+\r
+static int CDC_Device_getchar_Blocking(FILE* Stream)\r
+{\r
+       while (!(CDC_Device_BytesReceived((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream))))\r
+       {\r
+               if (USB_DeviceState == DEVICE_STATE_Unattached)\r
+                 return _FDEV_EOF;\r
+       \r
+               CDC_Device_USBTask((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));\r
+               USB_USBTask();\r
+       }\r
+\r
+       return CDC_Device_ReceiveByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));\r
+}\r
+\r
+#endif\r