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/*
* Copyright (c) 2006-2024 RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2024-11-25 hywing first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <board.h>
#define LED0_PIN GET_PIN(B, 0)
#define LED1_PIN GET_PIN(E, 1)
#define LED2_PIN GET_PIN(B, 14)
#define USER_KEY GET_PIN(C, 13)
#define DELAY 500
void irq_callback(void *arg)
{
if(rt_pin_read(USER_KEY) == 1)
{
rt_kprintf("Key pressed!\r\n");
}
}
int main(void)
{
/* set GPIO pin mode to output */
rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
rt_pin_mode(LED1_PIN, PIN_MODE_OUTPUT);
rt_pin_mode(LED2_PIN, PIN_MODE_OUTPUT);
rt_pin_mode(USER_KEY, PIN_MODE_INPUT_PULLDOWN);
rt_pin_attach_irq(USER_KEY, PIN_IRQ_MODE_RISING, irq_callback, RT_NULL);
rt_pin_irq_enable(USER_KEY, PIN_IRQ_ENABLE);
rt_kprintf("Welcome to the world of IoT Stuff!\r\n");
while (1)
{
rt_pin_write(LED0_PIN, PIN_HIGH);
rt_pin_write(LED1_PIN, PIN_LOW);
rt_pin_write(LED2_PIN, PIN_LOW);
rt_thread_mdelay(DELAY);
rt_pin_write(LED0_PIN, PIN_LOW);
rt_pin_write(LED1_PIN, PIN_HIGH);
rt_pin_write(LED2_PIN, PIN_LOW);
rt_thread_mdelay(DELAY);
rt_pin_write(LED0_PIN, PIN_LOW);
rt_pin_write(LED1_PIN, PIN_LOW);
rt_pin_write(LED2_PIN, PIN_HIGH);
rt_thread_mdelay(DELAY);
rt_pin_write(LED0_PIN, PIN_LOW);
rt_pin_write(LED1_PIN, PIN_HIGH);
rt_pin_write(LED2_PIN, PIN_LOW);
rt_thread_mdelay(DELAY);
}
}
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