2025-09-30 11:56:06 +08:00
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/*
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* Copyright (c) 2006-2020, Sunwancn(bwsheng2000@163.com)
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-02-14 Sunwancn the first version
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*/
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#ifndef __LPKG_BEEP_H__
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#define __LPKG_BEEP_H__
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#include <rtthread.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* 线程栈相关配置 */
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#define LPKG_BEEP_THREAD_PRIORITY ((RT_THREAD_PRIORITY_MAX - 1) * 7 / 8)
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#define LPKG_BEEP_THREAD_STACK_SIZE 2048
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#define LPKG_BEEP_THREAD_TIMESLICE (10U * RT_TICK_PER_SECOND / 1000U) // 10ms
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#define LPKG_BEEP_WAIT_SEM_MAX_TICK (10U * RT_TICK_PER_SECOND)
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/* 硬件参数配置 */
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#ifndef LPKG_BEEP_ACTIVE_BUZZER
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#define LPKG_BEEP_PASSIVE_BUZZER // 无源蜂鸣器
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#endif
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#ifdef LPKG_BEEP_PASSIVE_BUZZER
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#ifndef LPKG_BEEP_PWM_DEV_NAME
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#define LPKG_BEEP_PWM_DEV_NAME "pwm1"
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#endif
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#ifndef LPKG_BEEP_PWM_DEV_CHANNEL
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#define LPKG_BEEP_PWM_DEV_CHANNEL 4
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#endif
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#ifndef LPKG_BEEP_DEFAULT_FREQ
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#define LPKG_BEEP_DEFAULT_FREQ 2300U // 蜂鸣器最佳发声频率 Hz
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#endif
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#endif /* LPKG_BEEP_PASSIVE_BUZZER */
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/* 低功耗模式相关 */
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#if defined(RT_USING_PM) && defined(LPKG_BEEP_PASSIVE_BUZZER)
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#ifndef LPKG_BEEP_BLOCK_POWER_STOP
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#define LPKG_BEEP_BLOCK_POWER_STOP // 无源蜂鸣器鸣叫时阻止MCU进入STOP低功耗模式
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#endif
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#define LPKG_BEEP_REQUEST_PM_MODE PM_SLEEP_MODE_IDLE
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#ifndef LPKG_BEEP_SUPPORT_PM_RUN_FREQ_CHANGE
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#define LPKG_BEEP_SUPPORT_PM_RUN_FREQ_CHANGE // 在MCU运行频率改变时，无源蜂鸣器发声频率不变
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#endif
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#endif /* defined(RT_USING_PM) && defined(LPKG_BEEP_PASSIVE_BUZZER) */
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/* 极限参数范围配置 */
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#define LPKG_BEEP_PERIOD_MIN 10U // 10ms
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#define LPKG_BEEP_PERIOD_MAX 100000U // 100000ms
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#define LPKG_BEEP_FREQ_MIN 500U // 500Hz
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#define LPKG_BEEP_FREQ_MAX 10000U // 10KHz
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struct beep_struct
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{
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#ifdef LPKG_BEEP_PASSIVE_BUZZER
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struct rt_device_pwm *pwm_dev;
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rt_uint32_t freq;
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#else
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rt_base_t pin;
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rt_base_t pin_reset_level;
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#endif
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rt_uint32_t nums;
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rt_uint32_t pulse;
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rt_uint32_t npulse;
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rt_bool_t inited;
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};
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extern void beep_init(rt_base_t pin, rt_base_t reset_level);
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extern void beep_deinit(void);
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extern void beep_stop(void);
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extern void beep(rt_uint32_t beep_nums, rt_uint32_t period, rt_uint32_t percent, rt_uint32_t freq);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __LPKG_BEEP_H__ */
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