62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
/*
|
|
* 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);
|
|
}
|
|
}
|
|
|