77 lines
1.8 KiB
C
77 lines
1.8 KiB
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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* 2025-07-21 Administrator the first version
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*/
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#include "led.h"
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#include <rtdevice.h>
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#include <rtthread.h>
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#include <board.h>
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#define LED_PIN GET_PIN(B, 0) // RT-Thread 的 PIN 宏
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#define LED_PIN1 GET_PIN(B, 1) // RT-Thread 的 PIN 宏
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#define LED_PIN2 GET_PIN(B, 2) // RT-Thread 的 PIN 宏
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static rt_thread_t led_thread = RT_NULL;
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/* LED 线程入口函数 */
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static void led_thread_entry(void *parameter)
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{
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rt_uint8_t led_state = 0;
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/* 设置引脚为输出模式 */
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rt_pin_mode(LED_PIN, PIN_MODE_OUTPUT);
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rt_pin_mode(LED_PIN1, PIN_MODE_OUTPUT);
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rt_pin_mode(LED_PIN2, PIN_MODE_OUTPUT);
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while (1)
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{
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/* 切换 LED 状态 */
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led_state = !led_state;
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rt_pin_write(LED_PIN, led_state);
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rt_pin_write(LED_PIN1, led_state);
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rt_pin_write(LED_PIN2, led_state);
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rt_thread_mdelay(200);
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rt_pin_write(LED_PIN, led_state);
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rt_pin_write(LED_PIN1, led_state);
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rt_pin_write(LED_PIN2, !led_state);
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rt_thread_mdelay(200);
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rt_pin_write(LED_PIN, led_state);
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rt_pin_write(LED_PIN1, !led_state);
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rt_pin_write(LED_PIN2, !led_state);
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rt_thread_mdelay(200);
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rt_kprintf("meter: %d\n", led_state);
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}
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}
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int controlLED(){
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/* 创建线程 */
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led_thread = rt_thread_create(
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"led",
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led_thread_entry,
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RT_NULL,
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512,
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RT_THREAD_PRIORITY_MAX / 2,
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20);
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/* 启动线程 */
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if (led_thread != RT_NULL)
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{
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rt_thread_startup(led_thread);
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return RT_EOK;
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}
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else
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{
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return -RT_ERROR;
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}
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}
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