[2] Development Board HC89S003F4 scheduler

HC89S003F4 development board debugging scheduler

I. Introduction

Visiting the forum to see someone do HC89 scheduler, scheduling part of the direct operation of the stack.

Download Link

Download debugging and see.

Second, the user code

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#include "HC51SRTOS.h"
#include "math.h"
//#define LED_RED   P0_0        // 将P20设置为绿灯
sbit LED_RED     = P0^0;
sbit LED_GREEN     = P0^1;
/******************定义任务的堆栈***************/
INT8U Task0Stack[20];
INT8U Task1Stack[20];
INT8U Task2Stack[20];
//INT8U Task3Stack[17];
/******************系统节拍初始化***************/
     void TimerInit(void)
{
      TMOD=0x01;
    TH0=0xf9;
    TL0=0xfe;
    EA=1;
    ET0=1;
}
/******************任务Task0定义***************/
void Task0(void)
{
 INT8U asi=0;
 TimerInit();
 
 while(1)
 {
   LED_RED =1;
   RTOS_TimeDelay(1000);
     LED_RED =0;
   RTOS_TimeDelay(1000);
 }
}
///******************任务Task1定义***************/
void Task1(void)
{

 while(1)
 {
   LED_GREEN=1;
   RTOS_TimeDelay(400);
     LED_GREEN=2;
   RTOS_TimeDelay(400);

 }
}

///******************任务Task2定义***************/
//void Task2(void)
//{

// while(1)
// {
//   P2++;
//   RTOS_TimeDelay(400);

// }
//}

///******************任务Task3定义***************/
//void Task3(void)
//{

// while(1)
// {
//   P3++;
//   RTOS_TimeDelay(200);

// }
//}

/****************主函数***************/
int main(void)
{
     WDTCCR = 0x00;                     //关闭看门狗
                                        //本例程为方便测试关闭看门狗，实际使用中，建议客户打开看门狗，详见WDT复位例程
     CLKSWR = 0x51;                     //选择内部高频RC为系统时钟，内部高频RC 2分频，Fosc=16MHz
     CLKDIV = 0x01;                     //Fosc 1分频得到Fcpu，Fcpu=16MHz 
     P0M0 =0x88;        //将P00、01设置为推完输出        
     LED_RED =1;
     LED_GREEN =0;
     RTOS_Init();
     RTOS_TaskCreate(Task0,Task0Stack,0);
// RTOS_TaskCreate(Task1,Task1Stack,1);
//   RTOS_TaskCreate(Task2,Task2Stack,2);
    // RTOS_TaskCreate(Task3,Task3Stack,3);
     RTOS_Start();   //此函数执行完系统即发生调度
     while(1);
}