mirror of
https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
synced 2025-12-14 18:38:55 +00:00
296 lines
9.1 KiB
C
296 lines
9.1 KiB
C
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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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#include <rtdevice.h>
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#include <rtthread.h>
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#include <beep.h>
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#ifdef LPKG_USING_BEEP
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#if !defined(LPKG_BEEP_THREAD_STACK_USING_HEAP)
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ALIGN(RT_ALIGN_SIZE)
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static char beep_thread_stack[LPKG_BEEP_THREAD_STACK_SIZE];
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static struct rt_thread beep_thread_struct = {0};
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#endif /* !defined(LPKG_BEEP_THREAD_STACK_USING_HEAP) */
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static struct beep_struct beep_data = {0};
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static rt_thread_t beep_thread = RT_NULL;
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#ifdef LPKG_BEEP_PASSIVE_BUZZER
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static void beep_set(void);
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#endif
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static void beep_on(void);
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static void beep_off(void);
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static void beep_thread_entry(void *parameter);
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#if defined(LPKG_BEEP_PASSIVE_BUZZER) && defined(LPKG_BEEP_SUPPORT_PM_RUN_FREQ_CHANGE)
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int pm_run_freq_change(const struct rt_device *device, rt_uint8_t mode)
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{
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if (&beep_data.pwm_dev->parent == device)
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{
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beep_set();
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}
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return RT_EOK;
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}
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static struct rt_device_pm_ops beep_pm_ops =
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{
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RT_NULL,
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RT_NULL,
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pm_run_freq_change
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};
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#endif /* defined(LPKG_BEEP_PASSIVE_BUZZER) && defined(LPKG_BEEP_SUPPORT_PM_RUN_FREQ_CHANGE) */
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/***************************************************************************************************
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* @fn beep_init
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*
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* @brief 初始化
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*
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* @param pin - 蜂鸣器驱动引脚，可查看drv_gpio.c，或使用GET_PIN()宏
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* reset_level - 蜂鸣器关断时引脚电平，PIN_LOW或PIN_HIGH
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*
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***************************************************************************************************/
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void beep_init(rt_base_t pin, rt_base_t reset_level)
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{
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#ifdef LPKG_BEEP_PASSIVE_BUZZER
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(void)pin;
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(void)reset_level;
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beep_data.pwm_dev = (struct rt_device_pwm *)rt_device_find(LPKG_BEEP_PWM_DEV_NAME);
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RT_ASSERT(beep_data.pwm_dev);
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beep_data.freq = LPKG_BEEP_DEFAULT_FREQ;
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#ifdef LPKG_BEEP_SUPPORT_PM_RUN_FREQ_CHANGE
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rt_pm_device_register(&beep_data.pwm_dev->parent, &beep_pm_ops);
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#endif /* LPKG_BEEP_SUPPORT_PM_RUN_FREQ_CHANGE */
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beep_set();
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#else /* LPKG_BEEP_ACTIVE_BUZZER */
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rt_pin_write(pin, reset_level);
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rt_pin_mode(pin, PIN_MODE_OUTPUT);
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beep_data.pin = pin;
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beep_data.pin_reset_level = reset_level;
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#endif /* LPKG_BEEP_PASSIVE_BUZZER */
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beep_data.inited = RT_TRUE;
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}
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int passive_beep_init(void)
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{
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beep_init(0, 0);
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return 0;
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}
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INIT_COMPONENT_EXPORT(passive_beep_init);
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/***************************************************************************************************
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* @fn beep_deinit
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*
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* @brief 去初始化
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*
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***************************************************************************************************/
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void beep_deinit(void)
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{
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#ifdef LPKG_BEEP_PASSIVE_BUZZER
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#ifdef LPKG_BEEP_SUPPORT_PM_RUN_FREQ_CHANGE
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rt_pm_device_unregister(&beep_data.pwm_dev->parent);
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#endif /* LPKG_BEEP_SUPPORT_PM_RUN_FREQ_CHANGE */
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beep_data.pwm_dev = RT_NULL;
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#endif /* LPKG_BEEP_PASSIVE_BUZZER */
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beep_data.inited = RT_FALSE;
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}
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#ifdef LPKG_BEEP_PASSIVE_BUZZER
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void beep_set(void)
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{
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RT_ASSERT(beep_data.pwm_dev);
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// 频率(Hz)转换为相应的周期(ns)
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rt_uint32_t period = 1000000000ULL / beep_data.freq;
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// PWM设置恒为50%占空比方波
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rt_pwm_set(beep_data.pwm_dev, LPKG_BEEP_PWM_DEV_CHANNEL, period, period >> 1);
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}
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#endif /* LPKG_BEEP_PASSIVE_BUZZER */
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/***************************************************************************************************
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* @fn beep
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*
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* @brief 蜂鸣器闪鸣，由于使用了信号量，请谨慎在中断中使用
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*
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* @param nums - 闪鸣次数
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* period - 蜂鸣器闪鸣的周期，以毫秒为单位，[10-100000]
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* percent - 蜂鸣器闪鸣的脉冲宽度百分比，[1-100]
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* freq - 蜂鸣器鸣叫频率，0：维持上次的频率，[0, 500-10000]
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*
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* @return None
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***************************************************************************************************/
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void beep(rt_uint32_t nums, rt_uint32_t period, rt_uint32_t percent, rt_uint32_t freq)
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{
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#ifdef LPKG_BEEP_PASSIVE_BUZZER
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RT_ASSERT(beep_data.pwm_dev);
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RT_ASSERT(freq == 0 || (freq >= LPKG_BEEP_FREQ_MIN && freq <= LPKG_BEEP_FREQ_MAX));
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#endif
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RT_ASSERT(period >= LPKG_BEEP_PERIOD_MIN && period <= LPKG_BEEP_PERIOD_MAX);
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RT_ASSERT(percent > 0 && percent <= 100);
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if (nums)
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{
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beep_data.nums = nums;
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beep_data.pulse = period * percent / 100;
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beep_data.npulse = period - beep_data.pulse;
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#ifdef LPKG_BEEP_PASSIVE_BUZZER
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if (freq && beep_data.freq != freq)
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{
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beep_data.freq = freq;
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beep_set();
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}
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#endif /* LPKG_BEEP_PASSIVE_BUZZER */
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if (beep_thread == RT_NULL || beep_thread->stat == RT_THREAD_CLOSE)
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{
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#ifdef LPKG_BEEP_THREAD_STACK_USING_HEAP
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beep_thread = rt_thread_create("beep", beep_thread_entry, RT_NULL,
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LPKG_BEEP_THREAD_STACK_SIZE, LPKG_BEEP_THREAD_PRIORITY, LPKG_BEEP_THREAD_TIMESLICE);
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if (beep_thread != RT_NULL)
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rt_thread_startup(beep_thread);
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#else
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beep_thread = &beep_thread_struct;
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rt_thread_init(beep_thread, "beep", beep_thread_entry, RT_NULL,
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&beep_thread_stack, sizeof(beep_thread_stack), LPKG_BEEP_THREAD_PRIORITY, LPKG_BEEP_THREAD_TIMESLICE);
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rt_thread_startup(beep_thread);
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#endif /* LPKG_BEEP_THREAD_STACK_USING_HEAP */
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}
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}
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}
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/***************************************************************************************************
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* @fn beep_stop
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*
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* @brief 关闭蜂鸣器，停止发声
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*
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***************************************************************************************************/
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void beep_stop(void)
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{
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beep_off();
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if (beep_thread != RT_NULL)
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#ifdef LPKG_BEEP_THREAD_STACK_USING_HEAP
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rt_thread_delete(beep_thread);
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#else
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rt_thread_detach(beep_thread);
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#endif /* LPKG_BEEP_THREAD_STACK_USING_HEAP */
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beep_thread = RT_NULL;
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}
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void beep_on(void)
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{
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#ifdef LPKG_BEEP_PASSIVE_BUZZER
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RT_ASSERT(beep_data.pwm_dev);
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rt_pwm_enable(beep_data.pwm_dev, LPKG_BEEP_PWM_DEV_CHANNEL);
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#else
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rt_pin_write(beep_data.pin, (beep_data.pin_reset_level == PIN_HIGH) ? PIN_LOW : PIN_HIGH);
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#endif
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}
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void beep_off(void)
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{
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#ifdef LPKG_BEEP_PASSIVE_BUZZER
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RT_ASSERT(beep_data.pwm_dev);
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rt_pwm_disable(beep_data.pwm_dev, LPKG_BEEP_PWM_DEV_CHANNEL);
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#else
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rt_pin_write(beep_data.pin, beep_data.pin_reset_level);
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#endif
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}
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void beep_thread_entry(void *parameter)
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{
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while ((beep_data.nums --) && beep_data.pulse)
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{
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#if defined(RT_USING_PM) && defined(LPKG_BEEP_PASSIVE_BUZZER) && defined(LPKG_BEEP_BLOCK_POWER_STOP)
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rt_pm_request(LPKG_BEEP_REQUEST_PM_MODE);
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#endif
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beep_on();
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rt_thread_mdelay(beep_data.pulse);
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#if defined(RT_USING_PM) && defined(LPKG_BEEP_PASSIVE_BUZZER) && defined(LPKG_BEEP_BLOCK_POWER_STOP)
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rt_pm_release(LPKG_BEEP_REQUEST_PM_MODE);
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#endif
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beep_off();
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if (beep_data.npulse)
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{
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rt_thread_mdelay(beep_data.npulse);
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}
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}
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beep_thread = RT_NULL;
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}
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#if defined(RT_USING_FINSH) && defined(LPKG_BEEP_USING_MSH_CMD)
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#include <stdlib.h>
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static void __beep(rt_uint8_t argc, char **argv)
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{
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int nums, period, prcent, freq;
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if (!beep_data.inited)
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{
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rt_kprintf("Not initialized! Must be initialize first.\n");
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}
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else if (argc <= 2)
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{
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rt_kprintf("Please input: beep <nums> <period> [prcent] [freq]\n");
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}
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else if (argc == 3)
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{
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nums = atoi(argv[1]);
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period = atoi(argv[2]);
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if (nums > 0 && period >= LPKG_BEEP_PERIOD_MIN && period <= LPKG_BEEP_PERIOD_MAX)
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beep(nums, period, 50, 0);
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else
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rt_kprintf("Out of range! Must be at: nums[1-any] period[%d-%d]\n", LPKG_BEEP_PERIOD_MIN, LPKG_BEEP_PERIOD_MAX);
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}
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else if (argc == 4)
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{
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nums = atoi(argv[1]);
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period = atoi(argv[2]);
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prcent = atoi(argv[3]);
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if (nums > 0 && period >= LPKG_BEEP_PERIOD_MIN && period <= LPKG_BEEP_PERIOD_MAX
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&& prcent > 0 && prcent <= 100)
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beep(nums, period, prcent, 0);
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else
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rt_kprintf("Out of range! Must be at: nums[1-any] period[%d-%d] prcent[1-100]\n", LPKG_BEEP_PERIOD_MIN, LPKG_BEEP_PERIOD_MAX);
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}
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else
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{
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nums = atoi(argv[1]);
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period = atoi(argv[2]);
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prcent = atoi(argv[3]);
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freq = atoi(argv[4]);
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if (nums > 0 && period >= LPKG_BEEP_PERIOD_MIN && period <= LPKG_BEEP_PERIOD_MAX
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&& prcent > 0 && prcent <= 100 && (freq == 0 || (freq >= LPKG_BEEP_FREQ_MIN && freq <= LPKG_BEEP_FREQ_MAX)))
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beep(nums, period, prcent, freq);
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else
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rt_kprintf("Out of range! Must be at: nums[1-any] period[%d-%d] prcent[1-100] freq[0,%d-%d]\n", \
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LPKG_BEEP_PERIOD_MIN, LPKG_BEEP_PERIOD_MAX, LPKG_BEEP_FREQ_MIN, LPKG_BEEP_FREQ_MAX);
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}
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}
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MSH_CMD_EXPORT_ALIAS(__beep, beep, Buzzer beep any);
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#endif /* defined(RT_USING_FINSH) && defined(LPKG_BEEP_USING_MSH_CMD) */
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#endif /* LPKG_USING_BEEP */
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