slave_main.c

51单片机及其C语言程序开发实例光盘资料.rar

#include<reg51.h>
#include"Config.h"
#include"IOCfg.c"
#include"TimeDLY.h"
#include"SDAC.h"

INT8U CNT=0;
INT8U RE_Data[20]={0};

void InitIO()
{
	DACAB_Sel = 0;
	DAC_WR    = 0;
	DAC_CS    = 0;
	DAC_Data  = 0xff;
	}
void InitSerial()
{
	SCON = 0x50;				 //uart：方式1 (8 bit), REN=1
  	TMOD = TMOD | 0x20 ;         //Timer 1 in mode 2
	TH1  = 0xFD;                 //9600 Bds at 11.059MHz
	TL1  = 0xFD; 				 //9600 Bds at 11.059MHz
	ES = 1; 					 //Enable serial interrupt
	EA = 1;						 //Enable global interrupt
	TR1 = 1;
	}


void main()
{
	INT8U i,j,x;
	INT32U temp=0;
	InitIO();
	InitSerial();
	while(1)
	{
		if(CNT==20)
		{
			for(x=0;x<8;x++)
			{
				for(i=0;i<20;i++)
				{
					for(j=0;j<10;j++)
					{
						SetDAC_AOUT(10*i+j);
						SetDAC_BOUT((8-x)*25*((RE_Data[i]>>x)&0x01));
						}
					}
				}
			}
		}
	}
	
void Serial_IT(void) interrupt 4 
{
	if (RI == 1) 
	{
		RI = 0; 			          
	  	RE_Data[CNT] = SBUF;
	  	if(CNT<20)CNT++;
	  	else CNT = 0;
	  	}	   
}