5 某些大小的线程栈会导致其他内存出现问题，且始终无法唤醒.msh

发布于 2023-07-06 15:49:46 浏览：440 订阅该版

我发现我的main线程栈只能在2048kb左右浮动256kb左右，否则线程，信号量，alarm等就会产生内存相关的异常，如列表无法删除，信号量的value错误等。此外msh始终无法唤起，请问是因为内存不够了吗，但当我试图多create 几kb的线程，却仍能正常运行
```c
int main(void)
{
    //init
        TIM3_PWM_Init(119,14400-1);
        GPIO_INIT();
        GPIO2_INIT();
        Delay_Init();
        nfc_init();
        //sem create

mainstart=rt_sem_create("mains", 0, RT_IPC_FLAG_PRIO);
        received=rt_sem_create("received", 0, RT_IPC_FLAG_PRIO);
        detectstart=rt_sem_create("detect", 1, RT_IPC_FLAG_PRIO);
        displaystart=rt_sem_create("display", 0, RT_IPC_FLAG_PRIO);
        nfcstart=rt_sem_create("nfcstart", 0, RT_IPC_FLAG_PRIO);
        wrongflag=rt_sem_create("wrong", 0, RT_IPC_FLAG_PRIO);
        nfcflag=rt_sem_create("nfc", 0, RT_IPC_FLAG_PRIO);
        tick=rt_sem_create("tick", 1, RT_IPC_FLAG_PRIO);
        sem=rt_sem_create("sem", 0, RT_IPC_FLAG_PRIO);
        
        
        
        rt_thread_mdelay(500);
        
        NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);

USART_Printf_Init(115200);// 设置UART2的波特率
                    printf("SystemClk:%d\r\n",SystemCoreClock);

while(OV2640_Init())
                    {
                        printf("Camera Model Err\r\n");
                        rt_thread_mdelay(1000);
                    }
                   //AP3216C_Init();

rt_thread_mdelay(1000);

RGB565_Mode_Init();
                    rt_thread_mdelay(1000);

#if (DVP_Work_Mode == JPEG_MODE)
                    printf("JPEG_MODE\r\n");
                    JPEG_Mode_Init();
                    rt_thread_mdelay(1000);

#endif

DVP_Init();
                    rt_thread_mdelay(1000);

AP3216C_Init();
        //thread create
        maint_t=rt_thread_create("maint", maint_entry, RT_NULL, 1024, 20, 100);
        detect_t=rt_thread_create("detect", detect_entry, RT_NULL, 512, 20, 100);
        display_t=rt_thread_create("display", display_entry, RT_NULL, 512, 20, 20);
        nfc_t=rt_thread_create("nfc", nfc_entry, RT_NULL, 1024, 20, 100);
        idle_t=rt_thread_create("idle_t", idledisplay, RT_NULL, 256, 20, 100);
        message_t=rt_thread_create("message", mes_entry, RT_NULL, 1024, 20, 100);

//mailbox create

statusbox=rt_mb_create("status",1 , RT_IPC_FLAG_PRIO);
        classtomain=rt_mb_create("class",1 , RT_IPC_FLAG_PRIO);
        decidedbox=rt_mb_create("decided",1 , RT_IPC_FLAG_PRIO);

//rt_mq_t user;
        user=rt_mq_create("user", 128, 1, RT_IPC_FLAG_PRIO);

//time_init
        now = time(NULL)+2;

gmtime_r(&now,&p_tm);
        setup.flag=RT_ALARM_SECOND;
        setup.wktime.tm_year = p_tm.tm_year;
        setup.wktime.tm_mon = p_tm.tm_mon;
        setup.wktime.tm_mday = p_tm.tm_mday;
        setup.wktime.tm_wday = p_tm.tm_wday;
        setup.wktime.tm_hour = p_tm.tm_hour;
        setup.wktime.tm_min = p_tm.tm_min;
        setup.wktime.tm_sec = p_tm.tm_sec;
        alarm=rt_alarm_create(alarm_callback, &setup);
        rt_alarm_start(alarm);
        rt_kprintf("test");
        
        //thread startup
        rt_thread_startup(nfc_t);
        rt_thread_startup(display_t);
        rt_thread_startup(maint_t);
        rt_thread_startup(detect_t);
        rt_thread_startup(idle_t);
        rt_thread_startup(message_t);
        rt_kprintf("7") ;

}

```