5 rt_thread_create创建线程返回值RT_NULL

发布于 2023-12-19 23:32:43 浏览：524 订阅该版

在Charge_Bat_Task_init函数中动态创建线程方法创建		
```c
Charge_Bat_Task_ptr = rt_thread_create(	"Charge_Bat_Task",
					Charge_Bat_Task_Entry,
					RT_NULL,
					512,
					5,
					10);
```
返回值为0，即RT_NULL。线程创建失败。
找不到原因，请各位指点。完整工程见附件
[RT_thread_Nano_GD32F350G8.zip](https://club.rt-thread.org/file_download/669fcf6eb84d61a2)

```c
//main.c
int main(void)
{	
    interrupt_config();
//    gd_eval_led_init(LED1);
//	ledTaskInit();
//	flex_button_main();

Gpio_Charge_Bat_init();		
	Charge_Bat_Task_init();

while(1)
	{
		gd_eval_led_toggle(LED1);
		rt_thread_mdelay(1000);
	}
	  
}

//Charge_BatManagemengt.c
#include "Charge_BatManagemengt.h"
#include <rtthread.h>
#include "gd32f350r_eval.h"

uint8_t DownloadFlag = 0;

void Gpio_Charge_Bat_init(void)
{
	gpio_mode_set(DebugRight_CHGR_GPIO, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, DebugRight_CHGR_PIN);
	gpio_mode_set(DebugLeft_FULL_GPIO, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, DebugLeft_FULL_PIN);
	DownloadFlag = 0;
}

void Gpio_Set_Download_init(void)
{
	gpio_mode_set(DebugRight_CHGR_GPIO, GPIO_MODE_AF, GPIO_PUPD_NONE, DebugRight_CHGR_PIN);
	gpio_mode_set(DebugLeft_FULL_GPIO, GPIO_MODE_AF, GPIO_PUPD_NONE, DebugLeft_FULL_PIN);
	gpio_af_set(DebugRight_CHGR_GPIO, GPIO_AF_0, DebugRight_CHGR_PIN);
	gpio_af_set(DebugLeft_FULL_GPIO, GPIO_AF_0, DebugLeft_FULL_PIN);
	DownloadFlag = 1;
}

void Charge_Bat_Task_Entry(void *p)
{
	rt_err_t result;
	rt_uint8_t IsChargeFlag;

while(1)
	{
		rt_thread_mdelay(1);
		rt_kprintf("Charging:%d\n",Charging);
		if(Charging)
		{
			IsChargeFlag = 1;
			result = rt_mq_send(&mq_Charge, &IsChargeFlag, 1);
			if (result != RT_EOK)
			{
				rt_kprintf("rt_mq_send ERR_1\n");
			}
		}
		else
		{
			IsChargeFlag = 0;
			result = rt_mq_send(&mq_Charge, &IsChargeFlag, 1);
			if (result != RT_EOK)
			{
				rt_kprintf("rt_mq_send ERR_2\n");
			}
		}
		
	}
	
}

void Charge_Bat_Task_init(void)
{
	rt_thread_t Charge_Bat_Task_ptr;
	rt_err_t result;
			
		//创建线程
		Charge_Bat_Task_ptr = rt_thread_create(	"Charge_Bat_Task",
												Charge_Bat_Task_Entry,
												RT_NULL,
												512,
												5,
												10);
	
																							
		rt_kprintf("prt:%0x\n",Charge_Bat_Task_ptr);
		if(Charge_Bat_Task_ptr != RT_NULL)
		{
			rt_thread_startup(Charge_Bat_Task_ptr);
			rt_kprintf("Charge_Bat_Task start...\n");
		}
	
		//初始化消息队列，创建消息队列
		result = rt_mq_init(&mq_Charge,/*消息队列对象的句柄*/
							"mqt_mq_Charge",/*消息队列的名称*/
							&msg_pool_Charge[0], /*内存池指向msg_pool_Charge*/
							1, /*每个消息的大小是1字节*/
							sizeof(msg_pool_Charge), /* 内存池的大小是 msg_pool_Charge的大小*/
							RT_IPC_FLAG_FIFO); /* 如果有多个线程等待， 按照先来先得到的方法分配消息 */
		if (result != RT_EOK)
		{
			rt_kprintf("init message queue failed.\n");
		}
	
}
```