/** * @Author: 李建 * @Date: 2025/4/22 10:24 * Description: 蜂鸣器模块 * Copyright: Copyright (©) 2025 永续绿建. All rights reserved. */ #ifndef WIRE_CONTROLLER_BEEP_H #define WIRE_CONTROLLER_BEEP_H #define LEDC_TIMER LEDC_TIMER_0 #define LEDC_MODE LEDC_LOW_SPEED_MODE #define LEDC_OUTPUT_IO (42) // Define the output GPIO #define LEDC_CHANNEL LEDC_CHANNEL_0 #define LEDC_DUTY_RES LEDC_TIMER_12_BIT // Set duty resolution to 10 bits #define LEDC_DUTY (50) // Set duty to 50%. #define LEDC_FREQUENCY (2900) // Frequency in Hertz. Set frequency at 4 kHz void beep_init(void); void beep(); void beep_stop(); #endif //WIRE_CONTROLLER_BEEP_H