/*****************************************************************************/
/*   This program is developed by Turbo C 2.0			       */
/******************************************************************************/
/* *First Card:  reading all A/D channels.				      */
/*     *For PCI-1800L/1802L user, the setting time is 3us.		      */
/*     *For PCI-1800H/1802H user, the setting time varying according to       */
/*	  configuration code, please refer Page 28 of NAPPCI/win user mamual. */
/*     *for example: a PCI-1800H/1802H user who want to acquire A/D channel   */
/*	       5 with configuration code 0x11, then the following statements  */
/*	       must be used.						      */
/*		->  P180X_SetChannelConfig(5,0x11);   // +/- 5V range	      */
/*		->  P180X_DelayUs(28);	     // delay 28 us settling time     */
/*		->  P180X_AdPolling(&AdVal); // get the AD value into AdVal   */
/******************************************************************************/
/*  Demo 3: One P180X Card demo.					      */
/*	    To repeat sacn the A/D from CH:0 to CH 15, then display	      */
/*	    the scanned A/D value.					      */
/******************************************************************************/
#define  MYLIB
#include "P180X.H"

int main()
{
   WORD    i,j;
   WORD    wBoards;
   WORD    wRetVal,wCount,wADData;
   WORD    wDIOdata,wChannel,wConfig;
   DWORD   dwExact,dwOKs,dwErrors,dwScanCount,dwP1,dwP2,dwStatus;
   float   fVal,fAdVals[5];
   WORD    wAddrTimer,wAddrCtrl,wAddrDio,wAddrAdda;

   /* initiaing P180X card and detect how many P180X card in PC */
   wRetVal=P180X_DriverInit(&wBoards);
   printf("Threr are %d P180X Cards in this PC\n",wBoards);

   if( wBoards==0 )
   {
      putch(0x07);  putch(0x07);  putch(0x07);
      printf("There are no P180X card in this PC !!!\n");
      exit(0);
   }

   /* dump every P180X card's configuration address space */
   printf("The Configuration Space ->   Timer   Control   DIO    AD/DA\n");
   for(i=0; i<wBoards; i++)
   {
      P180X_GetConfigAddressSpace(i,&wAddrTimer,&wAddrCtrl,&wAddrDio,&wAddrAdda);
      printf("Card %02d:  Timer:%04xH  Ctrl:%04xH  Dio:%04xH  Adda:%04xH\n",
				     i,wAddrTimer,wAddrCtrl,wAddrDio,wAddrAdda);
   }

   printf("--------------------------------------------------------\n");
   printf(" For Example: PCI-180XL(Low Gain)  -> CH:0   Config:0-B   (hex)\n");
   printf("              PCI-180XH(High Gain) -> CH:0   Config:10-1B (hex)\n");
   printf("Enter Ch(dec):");   scanf("%d",&wChannel);
   printf("Enter Config(hex):");   scanf("%x",&wConfig);

   /* The P180X_ActiveBoard() function must be used to active a board, */
   /* then all operation will take effect to the actived board.        */
   P180X_ActiveBoard( 0 );

   P180X_Do(0x55aa);	 /* Digital output */
   P180X_Di(&wDIOdata);  /* Digital input  */
   printf("Digital Output -> 55aaH  |  Digital Input -> %04xH\n",wDIOdata);

   clrscr();
   wCount=0;
   gotoxy(1,1);  printf("First P180X Card:");
   for( ;  ; )
   {
      gotoxy(20,1); printf("Count=%d",wCount++);
      {
	 wRetVal=P180X_SetChannelConfig(wChannel,wConfig); /* +/- 5V range for PCI-180XH */
	 if( wRetVal>0 )
	 {
	    printf("*** (+/- 5.0V Range) SetChannelConfig Error ***\n");
	    printf("AD channel %02d -> SetCh Error %d !!!\n",wChannel,wRetVal);
	    putch(0x07);  getch();
	    return 0;
	 }

      /* wRetVal+=P180X_DelayUs(3); */	/*  3 us settling time for PCI-180XL */
	 wRetVal+=P180X_DelayUs(23); /* 23 us settling time for PCI-180XH */
	 if( wRetVal>0 )
	 {
	    printf("*** (+/- 5.0V Range) DelayUs Error ***");
	    printf("AD channel %02d -> Delay Error %d !!!",wChannel,wRetVal);
	    putch(0x07);  getch();
	    return 0;
	 }

	 wRetVal=P180X_AdPolling(&fVal);
	 wADData=(WORD)(fVal/5.0*2048.0+2048);
	 if( wRetVal>0 )
	 {
	    printf("*** (+/- 5.0V Range) AdPolling Error ***");
	    printf("AD channel %02d -> Polling Error %d !!!",wChannel,wRetVal);
	    putch(0x07);  getch();
	    return 0;
	 }
	 else
	 {
	    gotoxy(2,2+i);
	    printf(" (+/- 5.0V) ch:%02d -> %+5.3fV",
					      wChannel,fVal);
	 }
      }

      if( kbhit() )
	 break;
      delay(500);
   }


   P180X_DriverClose();
   return 0;
}