Cong UART to COMPort C#

* GPS feed++.exe GPS simulater for MCU GPS(PC) -> UART -> MCU -> LCD

双串口通讯，数据处理，转发等等。已经调试通过，可以应用到上位机接两个串口做数据处理的情况-Double serial communication, data processing, forwarding and so on. Debugging through, can be applied to the host computer to do the two serial port data processing