From d3f8b9b9c14b0c4b79bc67efb8d4ff65f9552f50 Mon Sep 17 00:00:00 2001
From: z14git <lzl1992@gmail.com>
Date: Sun, 27 Oct 2019 17:16:06 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8Dpwm=E5=88=9D=E5=A7=8B?=
 =?UTF-8?q?=E5=8C=96=E6=97=B6=EF=BC=8C=E7=9B=B8=E5=BA=94=E7=9A=84=E6=97=B6?=
 =?UTF-8?q?=E9=92=9F=E6=B2=A1=E6=9C=89=E4=BD=BF=E8=83=BD=E7=9A=84=E9=97=AE?=
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---
 bsp/stm32/libraries/HAL_Drivers/drv_pwm.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c b/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c
index ef89018eca..2c2af0dcc0 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c
@@ -323,13 +323,6 @@ static rt_err_t stm32_hw_pwm_init(struct stm32_pwm *device)
     tim->Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
 #endif
 
-    if (HAL_TIM_PWM_Init(tim) != HAL_OK)
-    {
-        LOG_E("%s pwm init failed", device->name);
-        result = -RT_ERROR;
-        goto __exit;
-    }
-
     if (HAL_TIM_Base_Init(tim) != HAL_OK)
     {
         LOG_E("%s time base init failed", device->name);
@@ -345,6 +338,13 @@ static rt_err_t stm32_hw_pwm_init(struct stm32_pwm *device)
         goto __exit;
     }
 
+    if (HAL_TIM_PWM_Init(tim) != HAL_OK)
+    {
+        LOG_E("%s pwm init failed", device->name);
+        result = -RT_ERROR;
+        goto __exit;
+    }
+
     master_config.MasterOutputTrigger = TIM_TRGO_RESET;
     master_config.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
     if (HAL_TIMEx_MasterConfigSynchronization(tim, &master_config) != HAL_OK)