51单片机串口调试程序，pc机发送数据给单片机单片机通过led显示出来-51 serial single-chip debugger, pc machine to send data to the single-chip single-chip through the led display

该源码公示了怎样使用STM32F407的串口进行收发数据，在keil5编译环境中进行编译。需要将STM32F407的串口1与USB串口相连，即可以实现电脑桌面串口调试助手的调试。-The source of the public how to use STM32F407 serial port to send and receive data, compiled in keil5 compilation environment. We need STM32F407 serial port 1 i