main.c

UCOS最小系统。能在单片机上闪烁LED。支持2个led闪烁。

#include <includes.h>

sbit led1=P3^7;   //电源红灯red ****************红灯表示电源正常************
sbit power2=P2^7;   //电源绿灯green***************绿灯表示电量不足************
sbit samp1=P2^2;    //采样红灯red  
sbit led2=P2^3;    //采样绿灯green

void TaskLed1(void *ppdata) reentrant;
void TaskLed2(void *ppdata) reentrant;
void TaskLed3(void *ppdata) reentrant;

 OS_STK TaskStkLed1[MaxStkSize];//注意：我在ASM文件中设置?STACK空间为40H即64。
 OS_STK TaskStkLed2[MaxStkSize];
//OS_STK TaskStkLed3[MaxStkSize];

void main(void)
{
    OSInit();
    
    InitTimer0();
    InitSerial();
    SBUF='A';
    OSTaskCreate(TaskLed1, (void *)0, &TaskStkLed1[0],2);
    OSTaskCreate(TaskLed2, (void *)0, &TaskStkLed2[0],3);
    //OSTaskCreate(TaskLed3, (void *)0, &TaskStkLed3[0],4);
    
    OSStart();
}


void TaskLed1(void *PPdata) reentrant
{
    PPdata=PPdata;   
    for(;;){
        led1=~led1;
	    SBUF='B';
        OSTimeDly(OS_TICKS_PER_SEC);    
    }    
}

void TaskLed2(void *PPdata) reentrant
{
    PPdata=PPdata; 
    
    for(;;){
        led2=~led2;
		SBUF='c';
        OSTimeDly(5*OS_TICKS_PER_SEC);    
    }    
}

void TaskLed3(void *PPdata) reentrant
{
    PPdata=PPdata; 
    
    for(;;){
        //PrintStr("\tCCCCCC666666 is active.\n");
		SBUF='c';
        OSTimeDly(6*OS_TICKS_PER_SEC);    
    }    
}