串口程序使用COM1(程序中可修改为其他串口)实现通过RS-232口发送数据至单片机及通过RS-232口接收单片机数据至电脑,配套使用下位机单片机程序。-use COM1 serial port procedures (procedures can be changed to other serial port) to achieve through the RS-232 Send SCM data to and through the RS-232 receiver SCM data to a computer, supporting the use of under-machine SCM procedures.