/**********************************************************************/
/*   This program is developed by Turbo C 2.0			       */
/***********************************************************************/
/*  Demo 5: one P180X card M_FUN_1 demo.			       */
/***********************************************************************/
#define  MYLIB
#include "P180X.H"

int	iLine;
float	fAdBuf[510];
WORD	wDaFreq=90;
WORD	wAdClk;

WORD	 wPlot0[512]; /*  transformed into wave form  */
int main()
{
   int	   i,j;
   WORD    wBoards,wRetVal;
   WORD    wDIOdata;
   char    cShow[80];
   DWORD   dwExact,dwOKs,dwErrors,dwScanCount,dwP1,dwP2,dwStatus;
   WORD    wDaWave=80,wAdNum=510;
   float   fDaMagnitude=2.5;
   float   fSampleRate;
   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);
   }


   /* 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(0x1234);	 /* Digital output */
   P180X_Di(&wDIOdata);  /* Digital input  */
   printf("Digital Output -> 1234H  |  Digital Input -> %04xH\n",wDIOdata);

   printf("\n\n");
   /* The D/A output wave form generator is a machine dependent function. */
   /* The D/A output frequency: 					  */
   /*	for Pemtium-120  ->  D/A output freqency=1.8M/wDaFreq		  */
   /*	for Pemtium-133  ->  D/A output freqency=2.0M/wDaFreq		  */
   /* suggestion: wDaFreq=90						  */
   printf("Please Enter the Frequency for D/A(suggestion 90) -> ");
   scanf("%d",&wDaFreq);
   printf("\n");

   /* Enter wAdClk, the A/D sampling rate is 8M/wAdClk */
   /* suggestion: wAdClk=24			       */
   printf("Please Enter wAdClk(suggestion 24) -> ");
   scanf("%d",&wAdClk);  printf("\n");
   fSampleRate=8000.0/wAdClk;  /* A/D is fSampleRate Khz */

   /************** M1 Function	****************************/

   graphic_init();
   cleardevice();

   for(i=0; i<510; i++) fAdBuf[i]=0.0;
   wRetVal=P180X_M_FUN_1(wDaFreq,wDaWave,fDaMagnitude,wAdClk,wAdNum,
			  0,fAdBuf,-10.0,+10.0);

   if (wRetVal==0)
     printf("1. P180X_M_FUN_1 OK, Sample Rate is %7.3fK\n\n",fSampleRate);
   else
   {
     putch(0x07);
     printf("1. P180X_M_FUN_1 ERROR, return=%x\n\n",wRetVal);
     exit(0);
   }

   printf("[ 0]=%+4.2f, [ 1]=%+4.2f, [ 2]=%+4.2f, [ 3]=%+4.2f\n",
	   fAdBuf[0],fAdBuf[1],fAdBuf[2],fAdBuf[3]);

   printf("[ 4]=%+4.2f, [ 5]=%+4.2f, [ 6]=%+4.2f, [ 7]=%+4.2f\n",
	   fAdBuf[4],fAdBuf[5],fAdBuf[6],fAdBuf[7]);

   printf("[ 8]=%+4.2f, [ 9]=%+4.2f, [10]=%+4.2f, [11]=%+4.2f\n",
	   fAdBuf[8],fAdBuf[9],fAdBuf[10],fAdBuf[11]);

   printf("[12]=%+4.2f, [13]=%+4.2f, [14]=%+4.2f, [15]=%+4.2f\n",
	   fAdBuf[12],fAdBuf[13],fAdBuf[14],fAdBuf[15]);

   printf("[16]=%+4.2f, [17]=%+4.2f, [18]=%+4.2f, [19]=%+4.2f\n",
	   fAdBuf[16],fAdBuf[17],fAdBuf[18],fAdBuf[19]);


	  setcolor(RED);
	  for(i=0; i<501; i++)	/* channel 0's data and its wave form */
	  {
	     wPlot0[i]=200+(WORD)(fAdBuf[i]*16.0);
	  }
	  for(i=0; i<500; i++)	/* plot channel 0's wave form */
	  {
	     line(10+i,wPlot0[i],10+i+1,wPlot0[i+1]);
	  }
   getch();
   cleardevice();
   closegraph();

   P180X_DriverClose();
   return 0;
}

/* -------------------------------------------------------------------- */

graphic_init()
{
   int driver,mode,char_size;

   driver=EGA;
   mode=EGAHI;
   initgraph(&driver,&mode,"");
   setactivepage(0);
   setvisualpage(0);
   setcolor(0);
   setbkcolor(15);
   settextstyle(SMALL_FONT,HORIZ_DIR,6);
   return 0;
}