此为使用STM32单片机产生两路双极性互补SPWM波的程序，注释详实，直接可以烧录使用，看程序找到对应管脚接上即可。(This is the use of STM32 microcontroller to produce two channels of bipolar complementary SPWM wave program, detailed notes, can be burned directly to use, see the program to find the corresp