一整套与外设（单片机采样的数据）数据交换，包括系统时钟初始化，波特率设置，时钟中断，三相电压的锁相，fft等程序编写，以通过调试，在产品研发中实用。-Set the peripherals (monolithic sampling data) data exchange, including initialization of the system clock, the baud rate, the clock interrupt, three-phase voltage phase-locked, FFT and other programming, through commissioning, in product development and practical.