Add MIME type handling to the Webserver project, so that files of different types...
[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / CDC.c
index b7a192a..85864b0 100644 (file)
@@ -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
 #define  INCLUDE_FROM_CDC_CLASS_HOST_C\r
 #include "CDC.h"\r
 \r
 #define  INCLUDE_FROM_CDC_CLASS_HOST_C\r
 #include "CDC.h"\r
 \r
-#warning The CDC Host mode Class driver is currently incomplete and is for preview purposes only.\r
-\r
-uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint16_t ConfigDescriptorSize,\r
-                                uint8_t* ConfigDescriptorData)\r
+uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, uint16_t ConfigDescriptorSize,\r
+                                void* ConfigDescriptorData)\r
 {\r
 {\r
-       uint8_t  FoundEndpoints = 0;\r
+       uint8_t FoundEndpoints = 0;\r
 \r
        memset(&CDCInterfaceInfo->State, 0x00, sizeof(CDCInterfaceInfo->State));\r
 \r
 \r
        memset(&CDCInterfaceInfo->State, 0x00, sizeof(CDCInterfaceInfo->State));\r
 \r
@@ -51,13 +49,15 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint
        {\r
                return CDC_ENUMERROR_NoCDCInterfaceFound;\r
        }\r
        {\r
                return CDC_ENUMERROR_NoCDCInterfaceFound;\r
        }\r
+       \r
+       CDCInterfaceInfo->State.ControlInterfaceNumber = DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber;\r
 \r
 \r
-       while (FoundEndpoints != (CDC_FOUND_DATAPIPE_IN | CDC_FOUND_DATAPIPE_OUT | CDC_FOUND_DATAPIPE_NOTIFICATION))\r
+       while (FoundEndpoints != (CDC_FOUND_NOTIFICATION_IN | CDC_FOUND_DATAPIPE_IN | CDC_FOUND_DATAPIPE_OUT))\r
        {\r
                if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
        {\r
                if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
-                                             DComp_CDC_Host_NextInterfaceCDCDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
+                                             DComp_CDC_Host_NextCDCInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
                {\r
                {\r
-                       if (FoundEndpoints & CDC_FOUND_DATAPIPE_NOTIFICATION)\r
+                       if (FoundEndpoints & CDC_FOUND_NOTIFICATION_IN)\r
                        {\r
                                if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, \r
                                                              DComp_CDC_Host_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)\r
                        {\r
                                if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, \r
                                                              DComp_CDC_Host_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)\r
@@ -84,7 +84,7 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint
                        }\r
 \r
                        if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
                        }\r
 \r
                        if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
-                                                     DComp_CDC_Host_NextInterfaceCDCDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
+                                                     DComp_CDC_Host_NextCDCInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
                        {\r
                                return CDC_ENUMERROR_EndpointsNotFound;\r
                        }\r
                        {\r
                                return CDC_ENUMERROR_EndpointsNotFound;\r
                        }\r
@@ -95,14 +95,15 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint
                if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)\r
                {\r
                        if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)\r
                if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)\r
                {\r
                        if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)\r
-                       {                                                          \r
+                       {\r
                                Pipe_ConfigurePipe(CDCInterfaceInfo->Config.NotificationPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,\r
                                Pipe_ConfigurePipe(CDCInterfaceInfo->Config.NotificationPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,\r
-                                                                  EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);\r
+                                                                  EndpointData->EndpointAddress, EndpointData->EndpointSize,\r
+                                                                  CDCInterfaceInfo->Config.NotificationPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);\r
                                CDCInterfaceInfo->State.NotificationPipeSize = EndpointData->EndpointSize;\r
 \r
                                Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);\r
                                \r
                                CDCInterfaceInfo->State.NotificationPipeSize = EndpointData->EndpointSize;\r
 \r
                                Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);\r
                                \r
-                               FoundEndpoints |= CDC_FOUND_DATAPIPE_NOTIFICATION;\r
+                               FoundEndpoints |= CDC_FOUND_NOTIFICATION_IN;\r
                        }\r
                }\r
                else\r
                        }\r
                }\r
                else\r
@@ -110,7 +111,9 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint
                        if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)\r
                        {\r
                                Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,\r
                        if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)\r
                        {\r
                                Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,\r
-                                                                  EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);\r
+                                                  EndpointData->EndpointAddress, EndpointData->EndpointSize, \r
+                                                  CDCInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);\r
+\r
                                CDCInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;\r
 \r
                                FoundEndpoints |= CDC_FOUND_DATAPIPE_IN;\r
                                CDCInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;\r
 \r
                                FoundEndpoints |= CDC_FOUND_DATAPIPE_IN;\r
@@ -118,7 +121,9 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint
                        else\r
                        {\r
                                Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,\r
                        else\r
                        {\r
                                Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,\r
-                                                                  EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);\r
+                                                                  EndpointData->EndpointAddress, EndpointData->EndpointSize, \r
+                                                                  CDCInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);\r
+                       \r
                                CDCInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;\r
                                \r
                                FoundEndpoints |= CDC_FOUND_DATAPIPE_OUT;\r
                                CDCInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;\r
                                \r
                                FoundEndpoints |= CDC_FOUND_DATAPIPE_OUT;\r
@@ -126,10 +131,13 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint
                }\r
        }\r
 \r
                }\r
        }\r
 \r
+       CDCInterfaceInfo->State.ControlLineStates.HostToDevice = (CDC_CONTROL_LINE_OUT_RTS | CDC_CONTROL_LINE_OUT_DTR);\r
+       CDCInterfaceInfo->State.ControlLineStates.DeviceToHost = (CDC_CONTROL_LINE_IN_DCD  | CDC_CONTROL_LINE_IN_DSR);\r
+       CDCInterfaceInfo->State.IsActive = true;\r
        return CDC_ENUMERROR_NoError;\r
 }\r
 \r
        return CDC_ENUMERROR_NoError;\r
 }\r
 \r
-static uint8_t DComp_CDC_Host_NextCDCControlInterface(void* CurrentDescriptor)\r
+static uint8_t DComp_CDC_Host_NextCDCControlInterface(void* const CurrentDescriptor)\r
 {\r
        if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)\r
        {\r
 {\r
        if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)\r
        {\r
@@ -147,7 +155,7 @@ static uint8_t DComp_CDC_Host_NextCDCControlInterface(void* CurrentDescriptor)
        return DESCRIPTOR_SEARCH_NotFound;\r
 }\r
 \r
        return DESCRIPTOR_SEARCH_NotFound;\r
 }\r
 \r
-static uint8_t DComp_CDC_Host_NextCDCDataInterface(void* CurrentDescriptor)\r
+static uint8_t DComp_CDC_Host_NextCDCDataInterface(void* const CurrentDescriptor)\r
 {\r
        if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)\r
        {\r
 {\r
        if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)\r
        {\r
@@ -165,7 +173,7 @@ static uint8_t DComp_CDC_Host_NextCDCDataInterface(void* CurrentDescriptor)
        return DESCRIPTOR_SEARCH_NotFound;\r
 }\r
 \r
        return DESCRIPTOR_SEARCH_NotFound;\r
 }\r
 \r
-static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescriptor)\r
+static uint8_t DComp_CDC_Host_NextCDCInterfaceEndpoint(void* const CurrentDescriptor)\r
 {\r
        if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)\r
        {\r
 {\r
        if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)\r
        {\r
@@ -174,8 +182,7 @@ static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescript
        \r
                uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);\r
        \r
        \r
                uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);\r
        \r
-               if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&\r
-                   !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))\r
+               if ((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT))\r
                {\r
                        return DESCRIPTOR_SEARCH_Found;\r
                }\r
                {\r
                        return DESCRIPTOR_SEARCH_Found;\r
                }\r
@@ -188,7 +195,229 @@ static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescript
        return DESCRIPTOR_SEARCH_NotFound;\r
 }\r
 \r
        return DESCRIPTOR_SEARCH_NotFound;\r
 }\r
 \r
-void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
+void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)\r
+{\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))\r
+         return;\r
+       \r
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber);\r
+       Pipe_SetPipeToken(PIPE_TOKEN_IN);\r
+       Pipe_Unfreeze();\r
+\r
+       if (Pipe_IsINReceived())\r
+       {\r
+               USB_Request_Header_t Notification;\r
+               Pipe_Read_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NO_STREAM_CALLBACK);\r
+               \r
+               if ((Notification.bRequest      == NOTIF_SerialState) &&\r
+                   (Notification.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)))\r
+               {\r
+                       Pipe_Read_Stream_LE(&CDCInterfaceInfo->State.ControlLineStates.DeviceToHost,\r
+                                           sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),\r
+                                           NO_STREAM_CALLBACK);\r
+                       \r
+               }\r
+\r
+               Pipe_ClearIN();\r
+\r
+               EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo);\r
+       }\r
+       \r
+       Pipe_Freeze();\r
+}\r
+\r
+uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)\r
+{\r
+       USB_ControlRequest = (USB_Request_Header_t)\r
+       {\r
+               .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),\r
+               .bRequest      = REQ_SetLineEncoding,\r
+               .wValue        = 0,\r
+               .wIndex        = CDCInterfaceInfo->State.ControlInterfaceNumber,\r
+               .wLength       = sizeof(CDCInterfaceInfo->State.LineEncoding),\r
+       };\r
+\r
+       Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
+       \r
+       return USB_Host_SendControlRequest(&CDCInterfaceInfo->State.LineEncoding);\r
+}\r
+\r
+uint8_t CDC_Host_SendControlLineStateChange(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)\r
+{\r
+       USB_ControlRequest = (USB_Request_Header_t)\r
+       {\r
+               .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),\r
+               .bRequest      = REQ_SetControlLineState,\r
+               .wValue        = CDCInterfaceInfo->State.ControlLineStates.HostToDevice,\r
+               .wIndex        = CDCInterfaceInfo->State.ControlInterfaceNumber,\r
+               .wLength       = 0,\r
+       };\r
+\r
+       Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
+       \r
+       return USB_Host_SendControlRequest(NULL);\r
+}\r
+\r
+uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, char* Data, const uint16_t Length)\r
+{\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))\r
+         return PIPE_READYWAIT_DeviceDisconnected;\r
+\r
+       uint8_t ErrorCode;\r
+\r
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);    \r
+\r
+       Pipe_Unfreeze();\r
+       ErrorCode = Pipe_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK);\r
+       Pipe_Freeze();\r
+       \r
+       return ErrorCode;\r
+}\r
+\r
+uint8_t CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, const uint8_t Data)\r
+{\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))\r
+         return PIPE_READYWAIT_DeviceDisconnected;\r
+         \r
+       uint8_t ErrorCode;\r
+\r
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);    \r
+       Pipe_Unfreeze();\r
+       \r
+       if (!(Pipe_IsReadWriteAllowed()))\r
+       {\r
+               Pipe_ClearOUT();\r
+\r
+               if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)\r
+                 return ErrorCode;\r
+       }\r
+\r
+       Pipe_Write_Byte(Data);  \r
+       Pipe_Freeze();\r
+       \r
+       return PIPE_READYWAIT_NoError;\r
+}\r
+\r
+uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)\r
+{\r
+       uint16_t BytesInPipe = 0;\r
+\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))\r
+         return 0;\r
+       \r
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);\r
+       Pipe_SetPipeToken(PIPE_TOKEN_IN);\r
+       Pipe_Unfreeze();\r
+\r
+       if (Pipe_IsINReceived())\r
+       {\r
+               if (!(Pipe_BytesInPipe()))\r
+                 Pipe_ClearIN();\r
+               \r
+               BytesInPipe = Pipe_BytesInPipe();\r
+               Pipe_Freeze();\r
+               \r
+               return BytesInPipe;\r
+       }\r
+       else\r
+       {\r
+               Pipe_Freeze();\r
+               \r
+               return 0;\r
+       }\r
+}\r
+\r
+uint8_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)\r
+{\r
+       uint8_t ReceivedByte = 0;\r
+\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))\r
+         return 0;\r
+         \r
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);\r
+       Pipe_SetPipeToken(PIPE_TOKEN_IN);\r
+       Pipe_Unfreeze();\r
+\r
+       ReceivedByte = Pipe_Read_Byte();\r
+       \r
+       if (!(Pipe_BytesInPipe()))\r
+         Pipe_ClearIN();\r
+       \r
+       Pipe_Freeze();\r
+       \r
+       return ReceivedByte;\r
+}\r
+\r
+uint8_t CDC_Host_Flush(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)\r
+{\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))\r
+         return PIPE_READYWAIT_DeviceDisconnected;\r
+         \r
+       uint8_t ErrorCode;\r
+\r
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);    \r
+       Pipe_Unfreeze();\r
+       \r
+       if (!(Pipe_BytesInPipe()))\r
+         return PIPE_READYWAIT_NoError;\r
+\r
+       bool BankFull = !(Pipe_IsReadWriteAllowed());\r
+\r
+       Pipe_ClearOUT();\r
+\r
+       if (BankFull)\r
+       {\r
+               if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)\r
+                 return ErrorCode;\r
+\r
+               Pipe_ClearOUT();\r
+       }\r
+\r
+       Pipe_Freeze();\r
+       \r
+       return PIPE_READYWAIT_NoError;\r
+}\r
+\r
+void CDC_Host_CreateStream(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, FILE* Stream)\r
+{\r
+       *Stream = (FILE)FDEV_SETUP_STREAM(CDC_Host_putchar, CDC_Host_getchar, _FDEV_SETUP_RW);\r
+       fdev_set_udata(Stream, CDCInterfaceInfo);\r
+}\r
+\r
+void CDC_Host_CreateBlockingStream(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, FILE* Stream)\r
+{\r
+       *Stream = (FILE)FDEV_SETUP_STREAM(CDC_Host_putchar, CDC_Host_getchar_Blocking, _FDEV_SETUP_RW);\r
+       fdev_set_udata(Stream, CDCInterfaceInfo);\r
+}\r
+\r
+static int CDC_Host_putchar(char c, FILE* Stream)\r
+{\r
+       return CDC_Host_SendByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream), c) ? _FDEV_ERR : 0;\r
+}\r
+\r
+static int CDC_Host_getchar(FILE* Stream)\r
+{\r
+       if (!(CDC_Host_BytesReceived((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream))))\r
+         return _FDEV_EOF;\r
+\r
+       return CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));\r
+}\r
+\r
+static int CDC_Host_getchar_Blocking(FILE* Stream)\r
+{\r
+       while (!(CDC_Host_BytesReceived((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream))))\r
+       {\r
+               if (USB_HostState == HOST_STATE_Unattached)\r
+                 return _FDEV_EOF;\r
+\r
+               CDC_Host_USBTask((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));\r
+               USB_USBTask();\r
+       }\r
+\r
+       return CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));\r
+}\r
+\r
+void CDC_Host_Event_Stub(void)\r
 {\r
 \r
 }\r
 {\r
 \r
 }\r