user_task.c

在keil大模式下编译的ucos-2源码

/*
********************************************************************************
                                      uS/OS-II v2.8
文 件 名  : test.c
作    者  : czn
版    本  : v1.0
********************************************************************************
*/
#include "includes.h"
#include "user_init.c"

void TaskStarUserA(void *Userdata) reentrant;
void TaskStarUserB(void *Userdata) reentrant;
void TaskStarUserC(void *Userdata) reentrant;

OS_STK TaskStarStkUserA[MaxStkSize];
OS_STK TaskStarStkUserB[MaxStkSize];
OS_STK TaskStarStkUserC[MaxStkSize];

/*
*******************************************************************************
                                main()
功能描述: 
参    数: 
说    明: 
*******************************************************************************
*/
void main()
{
    OSInit();
    InitTimer0();
    InitSerial();
    
    OSTaskCreate(TaskStarUserA,(void*)0,TaskStarStkUserA,2);
    OSTaskCreate(TaskStarUserB,(void*)0,TaskStarStkUserB,3);
    OSTaskCreate(TaskStarUserC,(void*)0,TaskStarStkUserC,4);

    OSStart();
}

/*
********************************************************************************
                                TaskStarUserA()
功能描述: 并行任务A
参    数: 
说    明: 
********************************************************************************
*/
void TaskStarUserA(void *UserData) reentrant
{
    UserData = UserData;
    printf("\n\t\t**************************************\n");
    printf("\t\t*          Hello the world           *\n");
    printf("\t\t**************************************\n\n");
    while(1)
    {
        printf("\t\t this is process A;  priority is 2 \n");
        OSTimeDly(OS_TICKS_PER_SEC);
    }
}

/*
********************************************************************************
                                TaskStarUserB()
功能描述: 并行任务B
参    数: 
说    明: 
********************************************************************************
*/
void TaskStarUserB(void *Userdata) reentrant
{
    Userdata = Userdata;
    while(1)
    {
        printf("\t\t this is process B;  priority is 3 \n");
        OSTimeDly(OS_TICKS_PER_SEC);
    }
}

/*
********************************************************************************
                                TaskStarUserC()
功能描述: 并行任务C
参    数: 
说    明: 
********************************************************************************
*/
void TaskStarUserC(void *Userdata) reentrant
{
    Userdata = Userdata;
    while(1)
    {
        printf("\t\t this is process C;  priority is 4 \n\n\n");
        OSTimeDly(OS_TICKS_PER_SEC);
    }
}