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11 lines
234 B
C
11 lines
234 B
C
#include "beep.h"
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#include "tim.h"
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void beep_open(void) {
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HAL_TIM_PWM_Start(&htim4, TIM_CHANNEL_4); // 启动PWM通道4用于蜂鸣器
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}
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void beep_close(void) {
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HAL_TIM_PWM_Stop(&htim4, TIM_CHANNEL_4); // 停止PWM通道4
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}
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