#include<windows.h>
#include<stdio.h>
#include<conio.h>
#include"a821.h"

int Buf[1200];

void main(void)
{
int i,j;
long AdCount=0;
float rate=5.0/2048.0;

int DI,DO,AD,DA,count;

if (NoError==A821_Initialize(0,0x220,-1,5))
   {
   for (i=0;i<10;i++)		/* A821 D/I/O */
       {
       DO=i*10;
       A821_DO(DO);
       DI=A821_DI();
       printf("\nOut=%2x -->In=%2x",DO,DI);
       }

   A821_OutputByte(0x22D,0x55); /* general-purpose D/I/O */
   A821_OutputByte(0x22E,0x55);
   i=A821_InputByte(0x226);
   j=A821_InputByte(0x227);
   printf("\n0x55 DIO test --> %x %x",i,j);

   A821_OutputByte(0x22D,0xAA);
   A821_OutputByte(0x22E,0xAA);
   i=A821_InputByte(0x226);
   j=A821_InputByte(0x227);
   printf("\n0xAA DIO test --> %x %x",i,j);

   printf("\n----------------------------");

   A821_DA(0,0xfff);		/* A821 DA & AD */
   A821_AD_SetChGainMode(0,0,POLLING_MODE);
   A821_Delay(23*2);		/* delay the settling time for PGH */
   AD=A821_AD_PollingVar();
   printf("\nDA_0=0xFFF AD_0=0x%x=%6.3f",AD,rate*(AD-2048));

   A821_DA(1,0xfff);
   A821_AD_SetChGainMode(1,0,POLLING_MODE);
   A821_Delay(23*2);		/* delay the settling time for PGH */
   AD=A821_AD_PollingVar();
   printf("\nDA_1=0xFFF AD_1=0x%x=%6.3f",AD,rate*(AD-2048));

   A821_DA(0,0x800);
   A821_AD_SetChGainMode(0,0,POLLING_MODE);
   A821_Delay(23*2);		/* delay the settling time for PGH */
   AD=A821_AD_PollingVar();
   printf("\nDA_0=0x800 AD_0=0x%x=%6.3f",AD,rate*(AD-2048));

   A821_DA(1,0x800);
   A821_AD_SetChGainMode(1,0,POLLING_MODE);
   A821_Delay(23*2);		/* delay the settling time for PGH */
   AD=A821_AD_PollingVar();
   printf("\nDA_1=0x800 AD_1=0x%x=%6.3f",AD,rate*(AD-2048));

   A821_DA(0,0);
   A821_AD_SetChGainMode(0,0,POLLING_MODE);
   A821_Delay(23*2);		/* delay the settling time for PGH */
   AD=A821_AD_PollingVar();
   printf("\nDA_0=0x000 AD_0=0x%x=%6.3f",AD,rate*(AD-2048));

   A821_DA(1,0);
   A821_AD_SetChGainMode(1,0,POLLING_MODE);
   A821_Delay(23*2);		/* delay the settling time for PGH */
   AD=A821_AD_PollingVar();
   printf("\nDA_1=0x000 AD_1=0x%x=%6.3f",AD,rate*(AD-2048));

   printf("\n----------------------------");
   for (j=0; j<1000; j++) A821_Delay(1000*2); /* delay 1 seconds */

   A821_AD_SetChGainMode(0,0,POLLING_MODE);
   A821_Delay(23*2);		/* delay the settling time for PGH */
   for (i=0;i<14;i++)		/* DA_0 to AD_0 */
       {
       DA=0xff*i;
       A821_DA(0,DA);
       AD=A821_AD_PollingVar();
       for (j=0;j<1000; j++) A821_Delay(1000*1);
       printf("\nDA_0=0x%x AD_0=0x%x=%6.3f",DA,AD,rate*(AD-2048));
       }

   printf("\n----------------------------");
   for (i=0;i<1000;i++) Buf[i]=0;
   A821_AD_INT(0,0,1000,Buf,6,6);
   while (1)
      {
      count=A821_AD_INT_Count();
      if(count>=1000) break;
      printf("\nCount=%u",count);
      }
   A821_AD_INT_Stop();

   for (i=0;i<10;i++) printf("\nBuf[%d]=0X%x",i*99,Buf[i*99]);
   }
   else printf("Can't Find A821PGL/PGH in 0x220");

   printf("\nDemo End");
}