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/*
* Copyright (C) 2021, lizhengyang
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-09-02 lizhengyang first version
*/
#include "board.h"
#include <rtthread.h>
#include <rtdevice.h>
/* defined the LED1 pin: PE0 */
#define LED1_PIN GET_PIN(E,0)
/* defined the LED2 pin: PE0 */
#define LED2_PIN GET_PIN(E,1)
/* defined the KEY pin: PE13 */
#define KEY_PIN GET_PIN(E,13)
#define DELAY_MS (RT_TICK_PER_SECOND) /* 1s */
void LED2_Toggle(void *args)
{
static uint8_t i;
if (i % 2 == 1)
{
rt_pin_write(LED2_PIN, PIN_HIGH);
}
else
{
rt_pin_write(LED2_PIN, PIN_LOW);
}
i++;
}
int32_t main(void)
{
/* set LED1_PIN output*/
rt_pin_mode(LED1_PIN, PIN_MODE_OUTPUT);
/* set LED2_PIN output*/
rt_pin_mode(LED2_PIN, PIN_MODE_OUTPUT);
/*set KEY_PIN intput pullup*/
rt_pin_mode(KEY_PIN, PIN_MODE_INPUT_PULLUP);
/*attach KEY_PIN irq*/
rt_pin_attach_irq(KEY_PIN, PIN_IRQ_MODE_FALLING, LED2_Toggle, RT_NULL);
/*enable KEY_PIN irq*/
rt_pin_irq_enable(KEY_PIN, PIN_IRQ_ENABLE);
rt_pin_write(LED1_PIN, PIN_HIGH);
while (1)
{
rt_pin_write(LED1_PIN, PIN_HIGH);
rt_thread_delay(DELAY_MS);
rt_pin_write(LED1_PIN, PIN_LOW);
rt_thread_delay(DELAY_MS);
}
}
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