From 56a65431dc830d6234a8a3286fea35664a65aeb1 Mon Sep 17 00:00:00 2001
From: HubretXie <xiexianbin@gmail.com>
Date: Sun, 9 Jun 2019 13:56:44 +0800
Subject: [PATCH] Update drv_rtc.c
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rtc选用lsi时不工作
---
 bsp/stm32/libraries/HAL_Drivers/drv_rtc.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_rtc.c b/bsp/stm32/libraries/HAL_Drivers/drv_rtc.c
index 3881fcc4e4..e5a2ba9af5 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drv_rtc.c
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_rtc.c
@@ -44,16 +44,10 @@ static time_t get_rtc_timestamp(void)
 
 static rt_err_t set_rtc_time_stamp(time_t time_stamp)
 {
-    RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
     RTC_TimeTypeDef RTC_TimeStruct = {0};
     RTC_DateTypeDef RTC_DateStruct = {0};
     struct tm *p_tm;
 
-    HAL_PWR_EnableBkUpAccess();
-    PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
-    PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
-    HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
-
     p_tm = localtime(&time_stamp);
     if (p_tm->tm_year < 100)
     {