stm8查询法实现两个单片机的spi接口之间的通信，led作为收发指示-Stm8 query method to achieve the communication between the two microcontroller SPI interface, led as a transceiver instructions

该C程序基于STM8L15x系列微处理器，在IAR开发环境下编译，实际能够实现按键控制LED亮灭，串口接收发送数据的功能。很经典的STM8入门例程，供新手学习。-The C program is based STM8L15x family of microprocessors, in the IAR compiler development environment, to achieve real keys to control LED light off, the function seria