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Add activity LED updates to the AVRISP project.
[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / CDC.c
diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c
index 6eca8ae..fcfa86d 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/CDC.c
+++ b/LUFA/Drivers/USB/Class/Host/CDC.c
@@ -34,44 +34,34 @@
 #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
-static uint8_t CDC_Host_ProcessConfigDescriptor(void)\r
+uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, uint16_t ConfigDescriptorSize,\r
+                                void* ConfigDescriptorData)\r
 {\r
 {\r
-       uint8_t* ConfigDescriptorData;\r
-       uint16_t ConfigDescriptorSize;\r
-       uint8_t  FoundEndpoints = 0;\r
-       \r
-       if (USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful)\r
-         return CDC_ENUMERROR_ControlError;\r
-       \r
-       if (ConfigDescriptorSize > 512)\r
-         return CDC_ENUMERROR_DescriptorTooLarge;\r
-         \r
-       ConfigDescriptorData = alloca(ConfigDescriptorSize);\r
+       uint8_t FoundEndpoints = 0;\r
+\r
+       memset(&CDCInterfaceInfo->State, 0x00, sizeof(CDCInterfaceInfo->State));\r
 \r
 \r
-       USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, ConfigDescriptorData);\r
-       \r
        if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)\r
        if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)\r
-         return CDC_ENUMERROR_InvalidConfigDataReturned;\r
+         return CDC_ENUMERROR_InvalidConfigDescriptor;\r
        \r
        if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
                                      DComp_CDC_Host_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)\r
        {\r
                return CDC_ENUMERROR_NoCDCInterfaceFound;\r
        }\r
        \r
        if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
                                      DComp_CDC_Host_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)\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 != ((1 << CDC_NOTIFICATIONPIPE) | (1 << CDC_DATAPIPE_IN) | (1 << CDC_DATAPIPE_OUT)))\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
-                       /* Check to see if the control interface's notification pipe has been found, if so search for the data interface */\r
-                       if (FoundEndpoints & (1 << CDC_NOTIFICATIONPIPE))\r
+                       if (FoundEndpoints & CDC_FOUND_NOTIFICATION_IN)\r
                        {\r
                        {\r
-                               /* Get the next CDC data interface from the configuration descriptor (CDC class has two CDC interfaces) */\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
                                {\r
-                                       /* Descriptor not found, error out */\r
                                        return CDC_ENUMERROR_NoCDCInterfaceFound;\r
                                }\r
                        }\r
                                        return CDC_ENUMERROR_NoCDCInterfaceFound;\r
                                }\r
                        }\r
@@ -79,11 +69,11 @@ static uint8_t CDC_Host_ProcessConfigDescriptor(void)
                        {\r
                                FoundEndpoints = 0;\r
 \r
                        {\r
                                FoundEndpoints = 0;\r
 \r
-                               Pipe_SelectPipe(CDC_NOTIFICATIONPIPE);\r
+                               Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);\r
                                Pipe_DisablePipe();\r
                                Pipe_DisablePipe();\r
-                               Pipe_SelectPipe(CDC_DATAPIPE_IN);\r
+                               Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);\r
                                Pipe_DisablePipe();\r
                                Pipe_DisablePipe();\r
-                               Pipe_SelectPipe(CDC_DATAPIPE_OUT);\r
+                               Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber);\r
                                Pipe_DisablePipe();\r
                        \r
                                if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
                                Pipe_DisablePipe();\r
                        \r
                                if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
@@ -94,9 +84,9 @@ static uint8_t CDC_Host_ProcessConfigDescriptor(void)
                        }\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
                        {\r
-                               return CDC_ENUMERROR_NoEndpointFound;\r
+                               return CDC_ENUMERROR_EndpointsNotFound;\r
                        }\r
                }\r
                \r
                        }\r
                }\r
                \r
@@ -106,50 +96,55 @@ static uint8_t CDC_Host_ProcessConfigDescriptor(void)
                {\r
                        if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)\r
                        {                                                          \r
                {\r
                        if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)\r
                        {                                                          \r
-                               Pipe_ConfigurePipe(CDC_NOTIFICATIONPIPE, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,\r
-                                                                  EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);\r
+                               Pipe_ConfigurePipe(CDCInterfaceInfo->Config.NotificationPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,\r
+                                                                  EndpointData->EndpointAddress, EndpointData->EndpointSize,\r
+                                                                  CDCInterfaceInfo->Config.NotificationPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);\r
+                               CDCInterfaceInfo->State.NotificationPipeSize = EndpointData->EndpointSize;\r
 \r
 \r
-                               Pipe_SetInfiniteINRequests();\r
                                Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);\r
                                \r
                                Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);\r
                                \r
-                               FoundEndpoints |= (1 << CDC_NOTIFICATIONPIPE);\r
+                               FoundEndpoints |= CDC_FOUND_NOTIFICATION_IN;\r
                        }\r
                }\r
                else\r
                {\r
                        if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)\r
                        {\r
                        }\r
                }\r
                else\r
                {\r
                        if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)\r
                        {\r
-                               Pipe_ConfigurePipe(CDC_DATAPIPE_IN, EP_TYPE_BULK, PIPE_TOKEN_IN,\r
-                                                                  EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);\r
+                               Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,\r
+                                                                  EndpointData->EndpointAddress, EndpointData->EndpointSize, \r
+                                                                  CDCInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);\r
+                               CDCInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;\r
 \r
 \r
-                               Pipe_SetInfiniteINRequests();\r
-                               Pipe_Unfreeze();\r
-                               \r
-                               FoundEndpoints |= (1 << CDC_DATAPIPE_IN);\r
+                               FoundEndpoints |= CDC_FOUND_DATAPIPE_IN;\r
                        }\r
                        else\r
                        {\r
                        }\r
                        else\r
                        {\r
-                               Pipe_ConfigurePipe(CDC_DATAPIPE_OUT, EP_TYPE_BULK, PIPE_TOKEN_OUT,\r
-                                                                  EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);\r
-                               \r
-                               Pipe_Unfreeze();\r
+                               Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,\r
+                                                                  EndpointData->EndpointAddress, EndpointData->EndpointSize, \r
+                                                                  CDCInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);\r
+                               CDCInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;\r
                                \r
                                \r
-                               FoundEndpoints |= (1 << CDC_DATAPIPE_OUT);\r
+                               FoundEndpoints |= CDC_FOUND_DATAPIPE_OUT;\r
                        }\r
                }\r
        }\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
-               /* Check the CDC descriptor class, subclass and protocol, break out if correct control interface found */\r
-               if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == CDC_CONTROL_CLASS)    &&\r
-                   (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_CONTROL_SUBCLASS) &&\r
-                   (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_CONTROL_PROTOCOL))\r
+               USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,\r
+                                                                               USB_Descriptor_Interface_t);\r
+       \r
+               if ((CurrentInterface->Class    == CDC_CONTROL_CLASS)    &&\r
+                   (CurrentInterface->SubClass == CDC_CONTROL_SUBCLASS) &&\r
+                       (CurrentInterface->Protocol == CDC_CONTROL_PROTOCOL))\r
                {\r
                        return DESCRIPTOR_SEARCH_Found;\r
                }\r
                {\r
                        return DESCRIPTOR_SEARCH_Found;\r
                }\r
@@ -158,14 +153,16 @@ 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
-               /* Check the CDC descriptor class, subclass and protocol, break out if correct data interface found */\r
-               if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == CDC_DATA_CLASS)    &&\r
-                   (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_DATA_SUBCLASS) &&\r
-                   (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_DATA_PROTOCOL))\r
+               USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,\r
+                                                                               USB_Descriptor_Interface_t);\r
+       \r
+               if ((CurrentInterface->Class    == CDC_DATA_CLASS)    &&\r
+                   (CurrentInterface->SubClass == CDC_DATA_SUBCLASS) &&\r
+                       (CurrentInterface->Protocol == CDC_DATA_PROTOCOL))\r
                {\r
                        return DESCRIPTOR_SEARCH_Found;\r
                }\r
                {\r
                        return DESCRIPTOR_SEARCH_Found;\r
                }\r
@@ -174,15 +171,20 @@ 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
-               uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,\r
-                                                       USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);\r
+               USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,\r
+                                                                             USB_Descriptor_Endpoint_t);\r
+       \r
+               uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);\r
        \r
        \r
-               if ((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT))\r
-                 return DESCRIPTOR_SEARCH_Found;\r
+               if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&\r
+                   !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))\r
+               {\r
+                       return DESCRIPTOR_SEARCH_Found;\r
+               }\r
        }\r
        else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)\r
        {\r
        }\r
        else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)\r
        {\r
@@ -192,30 +194,179 @@ 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_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_NoError;\r
+\r
+       uint8_t ErrorCode;\r
+\r
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);    \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
 {\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))\r
+         return PIPE_READYWAIT_NoError;;\r
+         \r
        uint8_t ErrorCode;\r
 \r
        uint8_t ErrorCode;\r
 \r
-       switch (USB_HostState)\r
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);    \r
+       Pipe_Unfreeze();\r
+       \r
+       if (!(Pipe_IsReadWriteAllowed()))\r
        {\r
        {\r
-               case HOST_STATE_Addressed:\r
-                       if ((ErrorCode = CDC_Host_ProcessConfigDescriptor()) != SuccessfulConfigRead)\r
-                       {\r
-                               USB_HostState = HOST_STATE_Unattached;\r
-                       }\r
+               Pipe_ClearOUT();\r
 \r
 \r
-                       if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)\r
-                       {\r
-                               USB_HostState = HOST_STATE_Unattached;\r
-                       }\r
-                               \r
-                       USB_HostState = HOST_STATE_Configured;\r
-                       break;\r
-               case HOST_STATE_Configured:\r
-                               \r
-                       USB_HostState = HOST_STATE_Ready;\r
-                       break;\r
+               if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)\r
+                 return ErrorCode;\r
        }\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 BytesInPipe;\r
+       \r
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);     \r
+       Pipe_Unfreeze();\r
+\r
+       if (Pipe_IsINReceived() && !(Pipe_BytesInPipe()))\r
+         Pipe_ClearIN();\r
+       \r
+       BytesInPipe = Pipe_BytesInPipe();\r
+       Pipe_Freeze();\r
+       \r
+       return BytesInPipe;\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 ReceivedByte;\r
+         \r
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);     \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
+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
+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
+               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
 #endif\r
 }\r
 \r
 #endif\r
USB isp AVR programmer