1.原理
2.源码
int timer_sync(TIM_TypeDef* master_timer,
TIM_TypeDef* slave_timer,
uint8_t master_timer_mode,
uint8_t slave_timer_mode,
uint8_t internal_trigger_channel){
TIM_SelectOutputTrigger(master_timer, master_timer_mode);
TIM_SelectMasterSlaveMode(master_timer, TIM_MasterSlaveMode_Enable);
TIM_SelectSlaveMode(slave_timer, slave_timer_mode);
TIM_SelectInputTrigger(slave_timer