37 lines
732 B
C
37 lines
732 B
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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* 2020-07-27 thread-liu first version
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*/
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#include "board.h"
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#ifdef BSP_USING_EXTI
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//#define DRV_DEBUG
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#define LOG_TAG "drv.exti"
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#include <drv_log.h>
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/* defined the KEY2 pin: */
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#define KEY2_PIN GET_PIN(A, 13)
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void key2_on(void *args)
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{
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rt_kprintf("press key2!\n");
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}
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static int exti_sample(void)
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{
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rt_pin_mode(KEY2_PIN, PIN_MODE_INPUT_PULLUP);
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rt_pin_attach_irq(KEY2_PIN, PIN_IRQ_MODE_FALLING, key2_on, RT_NULL);
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rt_pin_irq_enable(KEY2_PIN, PIN_IRQ_ENABLE);
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return RT_EOK;
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}
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INIT_DEVICE_EXPORT(exti_sample);
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#endif
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