I am trying to send data to the console using the "echo" method.static int8_t CDC_Receive_FS(uint8_t* Buf, uint32_t *Len){ CDC_Transmit_FS(Buf,*Len); USBD_CDC_SetRxBuffer(&hUsbDeviceFS, &Buf[0]); USBD_CDC_ReceivePacket(&hUsbDeviceFS); return (USBD_OK...