From 6a1e12f178ad82032d4171b0289b72cffcf32aa0 Mon Sep 17 00:00:00 2001
From: Wu Han <wuhanstudio@qq.com>
Date: Thu, 15 Aug 2019 11:20:25 +0800
Subject: [PATCH] [stm32][driver] pwm enable clock

---
 bsp/stm32/libraries/HAL_Drivers/drv_pwm.c | 3 +++
 1 file changed, 3 insertions(+)

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;
-- 
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