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42 lines
864 B
42 lines
864 B
/*
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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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* 2020-09-05 DongBowen first version
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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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#define LED_PIN GET_PIN(C, 13)
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#define LED_PERIOD (RT_TICK_PER_SECOND / 5)
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#define KEY_PIN GET_PIN(B, 12)
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void key_handle(void *args)
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{
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rt_kprintf("key pressed!\n");
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}
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int main(void)
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{
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rt_pin_mode(KEY_PIN, PIN_MODE_INPUT_PULLUP);
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rt_pin_attach_irq(KEY_PIN, PIN_IRQ_MODE_FALLING, key_handle, RT_NULL);
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rt_pin_irq_enable(KEY_PIN, PIN_IRQ_ENABLE);
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rt_pin_mode(LED_PIN, PIN_MODE_OUTPUT);
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while (1)
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{
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rt_pin_write(LED_PIN, PIN_HIGH);
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rt_thread_delay(LED_PERIOD / 2);
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rt_pin_write(LED_PIN, PIN_LOW);
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rt_thread_delay(LED_PERIOD / 2);
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};
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}
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