闪灯程序运行不正常

发布于 2020-06-20 11:31:16 浏览：1157 订阅该版

为什么一个简单的闪灯程序运行不正常，编译成功LED就是不闪，但主线程是正常的
```/*
 * Copyright (c) 2006-2020, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2020-05-15     RT-Thread    first version
 */

#include <rtthread.h>
#include <rtdevice.h>
#define DBG_TAG "main"
#define DBG_LVL DBG_LOG
#include <rtdbg.h>

#include "drv_common.h"
#define THREAD_PRIORITY         10
#define THREAD_STACK_SIZE       256
#define THREAD_TIMESLICE        5
#define LED_PIN    GET_PIN(B, 6)
/*　使用静态线程时，线程的栈需要设置字节对齐　*/
ALIGN(RT_ALIGN_SIZE)
static rt_uint8_t thread_stack[THREAD_STACK_SIZE];
static struct rt_thread tid1;
static void thread1_entry(void *parameter)
{

rt_pin_mode(LED_PIN, PIN_MODE_OUTPUT);

while (1)
    {

rt_pin_write(LED_PIN, PIN_LOW);
            rt_thread_mdelay(300);
            rt_pin_write(LED_PIN, PIN_HIGH);

}
}

int thread_led(void)
{
    /* 静态创建线程 */

/* 初始化线程 1，名称是 thread1，入口是 thread1_entry*/
    rt_thread_init( &tid1,
                    "LED_SHOW",
                    thread1_entry,
                    RT_NULL,
                    thread_stack,
                    THREAD_STACK_SIZE,
                    THREAD_PRIORITY,
                    THREAD_TIMESLICE
    );
    /* 启动线程 */
    rt_thread_startup(&tid1);

return 0;
}

int main(void)
{
    int count = 30;
    thread_led();
    while (count--)
    {
        LOG_D("Hello RT-Thread!");
        rt_thread_mdelay(1000);
    }

return RT_EOK;
}
```RT-Thread Studio

版本: 1.1.0
构建ID: 202005291500

使用完整版4.0.2建的工程，stm32f103rct6,uart5作为控制台输出，st-link调试。自己的开板子裸机试过电路没问题