#ifndef TIMER2_H #define TIMER2_H #include "stm32f2xx_hal.h" #include "sys.h" extern TIM_HandleTypeDef TIM2_Handler; //¶¨Ê±Æ÷¾ä±ú void Timer2_Init(u16 arr,u16 psc); #endif /* BSP_TIMBASE_H */