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[fix][stm32]修复输出高电平异常的问题

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wdfk-prog 2022-12-01 16:49:28 +08:00 committed by Man, Jianting (Meco)
parent dea34be06c
commit aaf1abf25f
1 changed files with 3 additions and 2 deletions
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5
bsp/stm32/libraries/HAL_Drivers/drv_pwm.c
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@ -278,9 +278,10 @@ static rt_err_t drv_pwm_set(TIM_HandleTypeDef *htim, struct rt_pwm_configuration
{ {
pulse = MIN_PULSE; 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); __HAL_TIM_SET_COMPARE(htim, channel, pulse - 1);