这是一个基于STM32的SPWM程序,可改变输出频率，是单极性SPWM,以及可改编成三相SPWM(This is a SPWM program based on STM32, which can change output frequency. It is unipolar SPWM, and can be adapted to three-phase SPWM.)

变频器源代码可以好好看下 是ARM STM32 的(Frequency converter source code)