tcpserv的启动位置问题

发布于 2013-03-14 10:45:31 浏览：2291 订阅该版

```
void rt_init_thread_entry(void* parameter)
{
        rt_thread_t tcpserv_thread;
/* Filesystem Initialization */
#ifdef RT_USING_DFS
	{
		/* init the device filesystem */
		dfs_init();

#ifdef RT_USING_DFS_ELMFAT
		/* init the elm chan FatFs filesystam*/
		elm_init();

/* mount sd card fat partition 1 as root directory */
		if (dfs_mount("sd0", "/", "elm", 0, 0) == 0)
		{
			rt_kprintf("File System initialized!
");
		}
		else
			rt_kprintf("File System initialzation failed!
");
#endif
	}
#endif

/* LwIP Initialization */
#ifdef RT_USING_LWIP
	{
		extern void lwip_sys_init(void);

/* register ethernetif device */
		eth_system_device_init();

#ifdef STM32F10X_CL
		rt_hw_stm32_eth_init();
#else
	/* STM32F103 */
	#if STM32_ETH_IF == 0
			rt_hw_enc28j60_init();
	#elif STM32_ETH_IF == 1
			rt_hw_dm9000_init();
	#endif
#endif

/* re-init device driver */
		rt_device_init_all();

/* init lwip system */
		lwip_sys_init();
		rt_kprintf("TCP/IP initialized!
");
	}
#endif

#ifdef RT_USING_RTGUI
	{
	    extern void rtgui_system_server_init(void);
	    extern void rt_hw_lcd_init();
	    extern void rtgui_touch_hw_init(void);

rt_device_t lcd;

/* init lcd */
		rt_hw_lcd_init();

/* init touch panel */
		rtgui_touch_hw_init();

/* re-init device driver */
		rt_device_init_all();

/* find lcd device */
		lcd = rt_device_find("lcd");

/* set lcd device as rtgui graphic driver */
		rtgui_graphic_set_device(lcd);

/* init rtgui system server */
		rtgui_system_server_init();
	}
#endif /* #ifdef RT_USING_RTGUI */
/*
          rt_enter_critical();
          FLASH_Unlock();
          FLASH_ClearFlag(FLASH_FLAG_EOP|FLASH_FLAG_PGERR|FLASH_FLAG_WRPRTERR);
          status1=FLASH_ErasePage(0x0807F800);
          status2=FLASH_ProgramHalfWord(0x0807F800,0xA5CE);
          FLASH_Lock();
          rt_exit_critical();
*/
          //tcpserv_thread_entry(NULL);
          tcpserv_thread = rt_thread_create("tcpserv",
                                            tcpserv_thread_entry, RT_NULL,
                                            2048, 10, 20);
          if (tcpserv_thread != RT_NULL)
		rt_thread_startup(tcpserv_thread);
}
```

我把tcpserv()放在 rt_init_thread_entry中启动是没问题的。
而如果我在
```
int rt_application_init()
{
	rt_thread_t init_thread;
          rt_thread_t tcpserv_thread;
	rt_err_t result;

/* init led thread */
	result = rt_thread_init(&led_thread,
		"led",
		led_thread_entry, RT_NULL,
		(rt_uint8_t*)&led_stack[0], sizeof(led_stack), 20, 5);
	if (result == RT_EOK)
	{
                rt_thread_startup(&led_thread);
	}

#if (RT_THREAD_PRIORITY_MAX == 32)
	init_thread = rt_thread_create("init",
								rt_init_thread_entry, RT_NULL,
								2048, 8, 20);
#else
	init_thread = rt_thread_create("init",
								rt_init_thread_entry, RT_NULL,
								2048, 80, 20);
#endif

if (init_thread != RT_NULL)
		rt_thread_startup(init_thread);

tcpserv_thread = rt_thread_create("tcpserv",
                                            tcpserv_thread_entry, RT_NULL,
                                            2048, 10, 20);
          if (tcpserv_thread != RT_NULL)
		rt_thread_startup(tcpserv_thread);
      
	return 0;
}
```
这里启动的时候就有问题。这是socket就创建不成功。
我断点看了下，在rt_init_thread_entry运行过程中，初始化lwip未完成时会跳到tcpserv也就是tcpserv在创建socket时没有在lwip初始化完成的时候。
这说明在lwip初始化的过程中有段时间rt_init_thread_entry挂起了。我想知道rt_init_thread_entry是在哪里挂起的。求大神指导
tcpserv是RT-thread的例程。