test.c

嵌入式操作系统源码usosii-keil c环境开发 可完全运行

#include <includes.h>

void TaskStarta(void *ddata) reentrant;
void TaskStartb(void *ddata) reentrant;
void TaskStartc(void *ddata) reentrant;

OS_STK TaskStartStka[MaxStkSize];//注意：我在ASM文件中设置?STACK空间为40H即64。
OS_STK TaskStartStkb[MaxStkSize];
OS_STK TaskStartStkc[MaxStkSize];

void main(void)
{ 
    OSInit();
    
    InitTimer0();
    InitSerial();
    InitSerialBuffer();
    
    OSTaskCreate(TaskStarta, (void *)0, &TaskStartStka[0],2);
    OSTaskCreate(TaskStartb, (void *)0, &TaskStartStkb[0],3);
    OSTaskCreate(TaskStartc, (void *)0, &TaskStartStkc[0],4);
    
    OSStart();
}

void TaskStarta(void *ddata) reentrant
{   
    ddata=ddata;
    
    ET0=1;
    
    clrscr();
    
    for(;;){
        PrintStr("\tAAAAAA111111 is active.\n");
		
		OSTimeDly(OS_TICKS_PER_SEC);
	 
    }
}

void TaskStartb(void *ddata) reentrant
{
    ddata=ddata; 
    
    for(;;){
        PrintStr("\tBBBBBB333333 is active.\n");
        OSTimeDly(3*OS_TICKS_PER_SEC);    
    }
}

void TaskStartc(void *ddata) reentrant
{
    ddata=ddata; 
    
    for(;;){
        PrintStr("\tCCCCCC666666 is active.\n");
        OSTimeDly(6*OS_TICKS_PER_SEC);    
    }
}