/* * buzzer.h * * Created on: Mar 6, 2022 * Author: wuwen */ #ifndef BUZZER_H_ #define BUZZER_H_ #include "main.h" struct notes //一个音符 { uint16_t freq; //频率 uint8_t duty; //占空比 uint16_t deley; //播放时长 struct notes *next_note;//下一个音符 }; void play_ones(uint16_t freq,uint8_t dutya); void add_a_note(uint16_t freq,uint8_t duty,uint16_t deley); char buzzer_play_server(); #endif /* BUZZER_H_ */