[fix][stm32]修复输出高电平异常的问题

2022-12-01 16:49:28 +08:00 · 2022-12-01 16:49:28 +08:00 · aaf1abf25f
parent dea34be06c
commit aaf1abf25f
1 changed files with 3 additions and 2 deletions
--- a/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_pwm.c
@ -278,9 +278,10 @@ static rt_err_t drv_pwm_set(TIM_HandleTypeDef *htim, struct rt_pwm_configuration
    {
        pulse = MIN_PULSE;
    }
-    else if (pulse > period)
+    /*To determine user input, output high level is required*/
+    else if (pulse >= period)
    {
-        pulse = period;
+        pulse = period + 1;
    }
    __HAL_TIM_SET_COMPARE(htim, channel, pulse - 1);