rtt重复进入main函数，重复创建线程

发布于 2019-12-23 20:55:33 浏览：1333 订阅该版

下图是log，第一次用rtt，怎么会这样子
```
[20:37:29.781]收←◆
 \ | /
- RT -     Thread Operating System
 / | \     3.1.3 build Dec 23 2019
 2006 - 2019 Copyright by rt-thread team
crate main thread
我是main函数
crate led1 thread
我是线程1
crate led2 thread
我是线程2
我是main end
我是main函数
crate led1 thread
我是线程1
crate led2 thread
我是线程2
我是main end
我是main函数
crate led1 thread
我是线程1
crate led2 thread
我是线程2
我是main end
我是main函数
crate led1 thread
我是线程1
crate led2 thread
我是线程2
我是main end
```

下面是代码
```c
static void led1_thread_entry(void* parameter)
{
 while (1)
 {
 rt_kprintf("ÎÒÊÇÏß³Ì1 ");
 rt_thread_delay(5000); /* ÑÓÊ± 500 ¸ö tick */
 }
}

static void led2_thread_entry(void* parameter)
{
 while (1)
 {
 rt_kprintf("ÎÒÊÇÏß³Ì2 ");
 rt_thread_delay(5000); /* ÑÓÊ± 300 ¸ö tick */
 }
}

int main(void)
{
//	uart_init(115200);
//	delay_init(168);
 while(1){
//	printf_("a = %d b = %d c = %ld d = %f buf = %s ",a,b,c,d,buf);
//	delay_ms(1000);
// rt_kprintf("a = %d b = %d c = %ld d = %f buf = %s ",a,b,c,d,buf);
// printf_("a = %d b = %d c = %ld d = %f buf = %s ",a,b,c,d,buf);
// rt_thread_delay(1);
 rt_kprintf("ÎÒÊÇmainº¯Êý ");

led1_thread = /* Ïß³Ì¿ØÖÆ¿éÖ¸Õë */ 
    rt_thread_create( "led1", /* Ïß³ÌÃû×Ö */
                        led1_thread_entry, /* Ïß³ÌÈë¿Úº¯Êý */
                        RT_NULL, /* Ïß³ÌÈë¿Úº¯Êý²ÎÊý */
                        512, /* Ïß³ÌÕ»´óÐ¡ */
                        0, /* Ïß³ÌµÄÓÅÏÈ¼¶ */
                        500); /* Ïß³ÌÊ±¼äÆ¬ */
    /* Æô¶¯Ïß³Ì£¬¿ªÆôµ÷¶È */
    if (led1_thread != RT_NULL)
        rt_thread_startup(led1_thread);
    else
        return -1;
    led2_thread = /* Ïß³Ì¿ØÖÆ¿éÖ¸Õë */
    rt_thread_create( "led2", /* Ïß³ÌÃû×Ö */
                        led2_thread_entry, /* Ïß³ÌÈë¿Úº¯Êý */
                        RT_NULL, /* Ïß³ÌÈë¿Úº¯Êý²ÎÊý */
                        512, /* Ïß³ÌÕ»´óÐ¡ */
                        0, /* Ïß³ÌµÄÓÅÏÈ¼¶ */
                        500); /* Ïß³ÌÊ±¼äÆ¬ */
    /* Æô¶¯Ïß³Ì£¬¿ªÆôµ÷¶È */
    if (led2_thread != RT_NULL)
        rt_thread_startup(led2_thread);
    else
        return -1;
		
}
}
```