From 575fe18ea0f4a7ff5d9ca6642ac623fd6e47c9da Mon Sep 17 00:00:00 2001
From: liYony <941843540@qq.com>
Date: Fri, 2 Dec 2022 20:46:58 +0800
Subject: [PATCH] some errors

---
 bsp/stm32/libraries/HAL_Drivers/drv_pwm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c b/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c
index f72a37909a..bf9660f86b 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c
@@ -173,11 +173,11 @@ static rt_uint64_t tim_clock_get(TIM_HandleTypeDef *htim)
 #elif defined(APB1PERIPH_BASE) || defined(APB2PERIPH_BASE)
     if ((rt_uint32_t)htim->Instance >= APB2PERIPH_BASE)
     {
-        tim_clock = (rt_uint32_t)(HAL_RCC_GetPCLK2Freq() * pclk1_doubler);
+        tim_clock = (rt_uint32_t)(HAL_RCC_GetPCLK2Freq() * pclk2_doubler);
     }
     else
     {
-        tim_clock = (rt_uint32_t)(HAL_RCC_GetPCLK1Freq() * pclk2_doubler);
+        tim_clock = (rt_uint32_t)(HAL_RCC_GetPCLK1Freq() * pclk1_doubler);
     }
 #endif