STM32F103库函数按键串口通讯LCD-LCM12232 display，RS232

使用STM32F103编写，无线串口e32ttl100接到STM32串口上，进行数据收发。再把无线串口接收到的数据通过串口显示出来-Use STM32F103 written e32ttl100 wireless serial port connected to the serial port on the STM32, send and receive data. Then wireless serial data received through the serial port displa