怎样才能恢复rt_thread_delete删掉的线程呢？

发布于 2010-11-24 19:26:33 浏览：4360 订阅该版

4 个回答

bernard 2010-11-24

这家伙很懒，什么也没写！

paulhyde 2010-11-25

这家伙很懒，什么也没写！

看这个源码

#include <rtthread.h>
#include "rtdef.h"
#include "control.h"
#include "lm3s_lib.h"
rt_thread_t thread_id;
rt_event_t event;
rt_uint32_t g_event;

//------------------------------------------------------------------------------
void rt_thread_entry_led(void *parameter)
{
	MAP_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB );
	MAP_GPIOPinTypeGPIOOutput(GPIO_PORTB_BASE,0xf0);
    while (1)
    {
		MAP_GPIOPinWrite(GPIO_PORTB_BASE,0xf0,~MAP_GPIOPinRead(GPIO_PORTB_BASE,0xf0));
        rt_thread_delay(50);
    }
}
//------------------------------------------------------------------------------
void Display_7SEG(void *parameter)
{
	u32 ulCnt = 0;
	MAP_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
	GPIOPinTypeGPIOOutput(GPIO_PORTB_BASE,0xff);
   	while(1)
   	{
		Display(ulCnt++,8);	
   	}
}
//------------------------------------------------------------------------------
int	Cmd_help(int argc, char *argv[])
{
    tCmdLineEntry *pEntry;

rt_kprintf("
Available commands
");
    rt_kprintf("------------------------------------------------------
");

pEntry = &g_sCmdTable[0];
    while(pEntry->pcCmd)
    {
        rt_kprintf("%s%s
", pEntry->pcCmd, pEntry->pcHelp);
        pEntry++;
    }
	rt_kprintf("------------------------------------------------------
");
	rt_kprintf("                              Copyright @ 2010        
");
	rt_kprintf("------------------------------------------------------
");
    return(0);
}
//------------------------------------------------------------------------------
int Start(int argc, char *argv[])
{
	MAP_SysCtlReset();
	return 0;
}
//------------------------------------------------------------------------------

int run(int argc, char *argv[])
{
	rt_thread_startup(thread_id);
	return 0;
}
int stop(int argc, char *argv[])
{
	rt_thread_delete(thread_id);
	Sendbyte(0xff00);
	return 0;
}

//------------------------------------------------------------------------------
int About(int argc, char *argv[])
{
    rt_kprintf("
------------------------------------------------------
"); 
   	rt_kprintf("                Copyright @ 2010                   
");
    rt_kprintf("          Embedded development platform            
");
    rt_kprintf("            RT_Thread      examples                
");
    rt_kprintf("                  Welcome to use                   
");
    rt_kprintf("                            [http://www.cdxy.edu.cn](http://www.cdxy.edu.cn) 
");
    rt_kprintf(" TEL:15882446438 QQ:987404403  MSN:paulhyde@live.com
");
	rt_kprintf(" E-mail:paulhyde@126.com  YY:14894415 可以加我飞信。
");
	rt_kprintf(" 承接各种电子产品设计。  [http://paulhyde.taobao.com/](http://paulhyde.taobao.com/)
");
    rt_kprintf("                                    小川工作室     
");
	rt_kprintf("【99413546】电子设计,学习到你想学的电子技术.....   
");
	rt_kprintf(" 培训主题：     ARM cortex-m3(LM3Sxxx)             
");
  	rt_kprintf(" 支持网站：     [http://www.arm79.com](http://www.arm79.com)（ARM技术交流网）      
");
    rt_kprintf("------------------------------------------------------

");
	return 0;
}
//------------------------------------------------------------------------------
tCmdLineEntry g_sCmdTable[] =
{
    { "help",   Cmd_help,      	" 	: Display list of commands" },
	{ "?",   Cmd_help,      	" 	: Display list of commands" },
	{ "restart",Start,     	  	" : Restart the computer." },
	{ "about",  About,			" 	: print about the system." },

{ "run",  run,				" 	: run some Task." },
	{ "stop",  stop,			" 	: stop some Task." },

{ 0, 0, 0 }
};
//------------------------------------------------------------------------------
void Cmd(void *parameter)
{
	static char g_cCmdBuf[40];
	static char g_cCwdBuf[40] = "/";
	//infomation for user.
    rt_kprintf("
------------------------------------------------------
"); 
   	rt_kprintf("                Copyright @ 2010                   
");
    rt_kprintf("          Embedded development platform            
");
    rt_kprintf("            RT_Thread      examples                
");
    rt_kprintf("                  Welcome to use                   
");
    rt_kprintf("                            [http://www.cdxy.edu.cn](http://www.cdxy.edu.cn) 
");
    rt_kprintf(" TEL:15882446438 QQ:987404403  MSN:paulhyde@live.com
");
	rt_kprintf(" E-mail:paulhyde@126.com  YY:14894415 可以加我飞信。
");
	rt_kprintf(" 承接各种电子产品设计。  [http://paulhyde.taobao.com/](http://paulhyde.taobao.com/)
");
	rt_kprintf("                                    小川工作室     
");
    rt_kprintf("                              DATA: 2010.11.10     
");
    rt_kprintf("------------------------------------------------------

");
	rt_kprintf("Type \\'help\\' for help.
");
	while(1)
	{
		rt_kprintf("
[root@localhost %s]# ", g_cCwdBuf);
		UARTgets(g_cCmdBuf, sizeof(g_cCmdBuf));
		CmdLineProcess(g_cCmdBuf);
		rt_thread_delay(200);

}
}
//------------------------------------------------------------------------------
int rt_application_init()
{
//	rt_thread_t init_thread;
	rt_thread_t init_thread1;
	/*init_thread = rt_thread_create("led",
								rt_thread_entry_led, RT_NULL,
								1024, 21, 20); */
	event = rt_event_create("event",RT_IPC_FLAG_FIFO);

init_thread1 = rt_thread_create("Cmd",
								Cmd, RT_NULL,
								1024, 20, 300); 
	thread_id = rt_thread_create("7seg",
								Display_7SEG, RT_NULL,
								512, 19, 50);
//	rt_thread_startup(init_thread);
	rt_thread_startup(thread_id);
	rt_thread_startup(init_thread1);
	return 0;
}
//------------------------------------------------------------------------------