FPGA把每路测距单元计算得到的障碍物距离信息通过RS-232接口传输到上位机，便于后续应用或上位机界面显示。同时，为了提高测距仪器的便携性，还为其安装了液晶显示屏，实时显示各路距离信息-FPGA put obstacles ranging from Each unit calculates the information obtained via RS-232 interface to transfer to the host computer to facilitate subsequent