心脏起搏器程控仪终端人机交互图形界面，接收和修改工作参数，通过串口RS232发送给外部模块-Pacemaker programmed instrument graphical interface terminal human-computer interaction, receive and modify operating parameters through RS232 serial port to send to an external module

实现串口通信，通过RS232可以从PC机向UART模块发送数据，然后读出-Serial communication via RS232 from the PC to the UART module to send data, and then read out