taskad.c

应用于MC9S12DG128的ucos系统

/********************************************************************
                               //
//     Author: CaiXinBo      \\\\\\\                            //
//                          ( o   o )                           //
//----------------------oOO----(_)----OOo-----------------------//
                                                              
    FileName:       TaskAD.c	
    Created Date:   23/5/2006   9:41
    Modify Date:    
    Purpose:	
*********************************************************************/


#include "includes.h" 
#include "main.h"
#include "mc9s12dg128.h" 

void TaskAD(TASKDATA* pdata)
{
	INT8U err;
	ATD0CTL2=0xC0;
	ATD0CTL3=0x0C;
	DDRK=0XFF;	
	for(;;)
	{
	  PORTK_BIT2=~PORTK_BIT2;
	  ATD0CTL4=0x86; //启动
		ATD0CTL5=0x80; //1通道A/D读入
		while(!(ATD0STAT0&0x80))
			{}
		//显示A/D结果
		OSSemPend(Semprintp,0,&err); 	    
	  printp(uart_putchar,"\nThe Input of AD is :%d",ATD0DR0L);
		OSSemPost(Semprintp);
				
		OSTimeDlyHMSM(0, 0, 1, 500); 		
	}
}