main.c

基于DS80C400的ADz转换程序

 #include <reg390.h>
 #include <stdio.h>	
 #include <absacc.h>
 #include "tini400_isr.h"
 #define AD_AdrL XBYTE [0x800000]
 #define AD_AdrH XBYTE [0x800001]

 unsigned int iTime = 0;
 bit bADFlag = 1;

 void StartAD(void){
 	P1_1 = 1;
	P1_1 = 0 ;
	;
	;
	P1_1 = 1;	
 }
 
 unsigned int GetAD(void)
 {
	unsigned int val=0;
 //	val = AD_AdrH;
//	val = val<<8;
//	val += AD_AdrL;
	val=AD_AdrL;
	return val;
 }
 void Init_T0(void)
 {
 	EA = 0;
 	TMOD =(TMOD &0xF0)|0x01;
	TH0 = 0xd2;
	TL0 = 0x00;

	ET0 = 1;
	TR0 = 1;
	EA = 1;
 }
 void T0_srv(void) interrupt 1
 {
 	TH0 = 0xd2;
	TL0 = 0x00;

	iTime++;
	if(iTime>=10000){
		iTime = 0;
		bADFlag = 1;
	}
 }

void main()
{
	Init_T0();
	isr_setinterruptvector(ISR_TIMER0, &T0_srv);
	
    while(1)
	{
		if(bADFlag)
		{
			bADFlag = 0;
			printf("Start AD\n");
			StartAD();
			while(P3_2);
			printf("The data is : %d\n",GetAD());
		}		
	}
}