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#include "bsp_buzzer.h"
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#include "main.h"
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extern TIM_HandleTypeDef htim4;
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void buzzer_on(uint16_t psc, uint16_t pwm)
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{
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__HAL_TIM_PRESCALER(&htim4, psc);
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__HAL_TIM_SetCompare(&htim4, TIM_CHANNEL_3, pwm);
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}
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void buzzer_off(void)
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{
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__HAL_TIM_SetCompare(&htim4, TIM_CHANNEL_3, 0);
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}
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