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@ -220,14 +220,19 @@ void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
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sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),
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NO_STREAM_CALLBACK);
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}
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Pipe_ClearIN();
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Pipe_ClearIN();
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EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo);
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EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo);
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}
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else
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{
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Pipe_ClearIN();
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}
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}
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Pipe_Freeze();
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CDC_Host_Flush(CDCInterfaceInfo);
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}
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uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
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@ -353,9 +358,9 @@ uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo
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}
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}
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uint8_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
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int16_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
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{
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uint8_t ReceivedByte = 0;
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uint8_t ReceivedByte = -1;
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if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
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return 0;
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@ -364,11 +369,14 @@ uint8_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
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Pipe_SetPipeToken(PIPE_TOKEN_IN);
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Pipe_Unfreeze();
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ReceivedByte = Pipe_Read_Byte();
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if (!(Pipe_IsINReceived()))
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return -1;
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else if (Pipe_BytesInPipe())
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ReceivedByte = Pipe_Read_Byte();
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if (!(Pipe_BytesInPipe()))
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Pipe_ClearIN();
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Pipe_Freeze();
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return ReceivedByte;
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@ -426,15 +434,19 @@ static int CDC_Host_putchar(char c,
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static int CDC_Host_getchar(FILE* Stream)
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{
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if (!(CDC_Host_BytesReceived((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream))))
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int16_t ReceivedByte = CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));
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if (ReceivedByte < 0)
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return _FDEV_EOF;
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return CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));
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return ReceivedByte;
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}
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static int CDC_Host_getchar_Blocking(FILE* Stream)
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{
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while (!(CDC_Host_BytesReceived((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream))))
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int16_t ReceivedByte;
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while ((ReceivedByte = CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream))) < 0)
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{
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if (USB_HostState == HOST_STATE_Unattached)
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return _FDEV_EOF;
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@ -443,7 +455,7 @@ static int CDC_Host_getchar_Blocking(FILE* Stream)
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USB_USBTask();
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}
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return CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));
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return ReceivedByte;
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}
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void CDC_Host_Event_Stub(void)
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