78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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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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* 2019-05-09 Zero-Free first implementation
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*/
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#include <board.h>
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#include <rtthread.h>
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#include <rtdevice.h>
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#ifdef RT_USING_PM
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#define WAKEUP_EVENT_BUTTON (1 << 0)
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#define PIN_LED_R GET_PIN(E, 7)
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#define WAKEUP_PIN GET_PIN(C, 13)
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#define WAKEUP_APP_THREAD_STACK_SIZE 1024
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static rt_event_t wakeup_event;
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static void wakeup_callback(void *args)
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{
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rt_event_send(wakeup_event, WAKEUP_EVENT_BUTTON);
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}
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static void wakeup_init(void)
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{
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rt_pin_mode(WAKEUP_PIN, PIN_MODE_INPUT_PULLUP);
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rt_pin_attach_irq(WAKEUP_PIN, PIN_IRQ_MODE_FALLING, wakeup_callback, RT_NULL);
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rt_pin_irq_enable(WAKEUP_PIN, 1);
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}
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static void wakeup_app_entry(void *parameter)
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{
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wakeup_init();
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rt_pm_request(PM_SLEEP_MODE_DEEP);
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while (1)
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{
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if (rt_event_recv(wakeup_event,
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WAKEUP_EVENT_BUTTON,
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RT_EVENT_FLAG_AND | RT_EVENT_FLAG_CLEAR,
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RT_WAITING_FOREVER, RT_NULL) == RT_EOK)
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{
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rt_pm_request(PM_SLEEP_MODE_NONE);
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rt_pin_mode(PIN_LED_R, PIN_MODE_OUTPUT);
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rt_pin_write(PIN_LED_R, 0);
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rt_thread_delay(rt_tick_from_millisecond(500));
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rt_pin_write(PIN_LED_R, 1);
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rt_pm_release(PM_SLEEP_MODE_NONE);
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}
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}
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}
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static int wakeup_app(void)
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{
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rt_thread_t tid;
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wakeup_event = rt_event_create("wakup", RT_IPC_FLAG_PRIO);
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RT_ASSERT(wakeup_event != RT_NULL);
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tid = rt_thread_create("wakeup_app", wakeup_app_entry, RT_NULL,
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WAKEUP_APP_THREAD_STACK_SIZE, RT_MAIN_THREAD_PRIORITY, 20);
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RT_ASSERT(tid != RT_NULL);
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rt_thread_startup(tid);
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return 0;
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}
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INIT_APP_EXPORT(wakeup_app);
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#endif
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