diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c b/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c index 292d5015f2..e1078b5d20 100644 --- a/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c +++ b/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c @@ -314,6 +314,9 @@ static rt_err_t stm32_hw_pwm_init(struct stm32_pwm *device) tim = (TIM_HandleTypeDef *)&device->tim_handle; + /* enable timer clock */ + HAL_TIM_PWM_MspInit(tim); + /* configure the timer to pwm mode */ tim->Init.Prescaler = 0; tim->Init.CounterMode = TIM_COUNTERMODE_UP;