45 lines
1010 B
C
45 lines
1010 B
C
/*
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* Copyright (c) 2006-2018, 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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* 2018-08-07 Tanek first implementation
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*/
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#include <rtthread.h>
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#include <rtdevice.h>
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#include <stm32F4xx.h>
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#include "board.h"
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#include "drv_gpio.h"
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#define USER_WAKEUP_PIN GET_PIN(C, 5)
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#define DRV_WKUP_PIN_IRQ_MODE PIN_IRQ_MODE_FALLING
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static void (*_wakeup_hook)(void);
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void bsp_register_wakeup(void (*hook)(void))
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{
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RT_ASSERT(hook != RT_NULL);
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_wakeup_hook = hook;
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}
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static void _wakeup_callback(void *args)
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{
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extern void pm_wk_up();
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pm_wk_up(); /* wakeup from deep sleep */
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if (_wakeup_hook)
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_wakeup_hook();
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}
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static int rt_hw_wakeup_init(void)
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{
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rt_pin_mode(USER_WAKEUP_PIN, PIN_MODE_INPUT_PULLUP);
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rt_pin_attach_irq(USER_WAKEUP_PIN, DRV_WKUP_PIN_IRQ_MODE, _wakeup_callback, RT_NULL);
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rt_pin_irq_enable(USER_WAKEUP_PIN, 1);
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return 0;
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}
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INIT_BOARD_EXPORT(rt_hw_wakeup_init);
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