diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c b/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c index 64f283dabd..7f812f4ac7 100644 --- a/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c +++ b/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c @@ -327,6 +327,12 @@ static rt_err_t stm32_hw_pwm_init(struct stm32_pwm *device) tim->Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE; #endif + if (HAL_TIM_Base_Init(tim) != HAL_OK) + { + LOG_E("%s pwm init failed", device->name); + result = -RT_ERROR; + goto __exit; + } if (HAL_TIM_PWM_Init(tim) != HAL_OK) { LOG_E("%s pwm init failed", device->name);