/* Echo received bytes from the attached device through the USART */\r
while (CDC_Host_BytesReceived(&VirtualSerial_CDC_Interface))\r
putchar(CDC_Host_ReceiveByte(&VirtualSerial_CDC_Interface));\r
/* Echo received bytes from the attached device through the USART */\r
while (CDC_Host_BytesReceived(&VirtualSerial_CDC_Interface))\r
putchar(CDC_Host_ReceiveByte(&VirtualSerial_CDC_Interface));\r