/* This program exercises the Dataq Instruments DI194RS ADC module */

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "DI194RS.h"

int main(void)
{
  dataqsdk DI194;
  int ChannelList[MAXCHANNELS] = { 0, 1, 2, 3 };
  int MethodList[MAXCHANNELS]  = { 0, 0, 0, 0 };
  short int offsets[MAXCHANNELS];
  short int samplebuf[MAXCHANNELS];
  float scalefactors[MAXCHANNELS];
  bool status;
  long int count;
  int i, j;

/* Display startup banner */

  printf("Dataq Instruments DI194RS DMM Test\n");

/* Set calibration data */

  GetCalibration(offsets, scalefactors);

/* Set up for the data acquisition */

  DI194.ProductName(PRODUCTNAME);
  SDKerror(&DI194, "ProductName", TRUE);

  DI194.DeviceFile(SERIALPORT);
  SDKerror(&DI194, "DeviceFile", TRUE);

  DI194.ADChannelCount(4);
  SDKerror(&DI194, "ADChannelCount", TRUE);

  DI194.ADChannelList(ChannelList);
  SDKerror(&DI194, "ADChannelList", TRUE);

  DI194.ADMethodList(MethodList);
  SDKerror(&DI194, "ADMethodList", TRUE);

  DI194.SampleRate(1.0);
  SDKerror(&DI194, "SampleRate", TRUE);

  DI194.EventPoint(1);
  SDKerror(&DI194, "EventPoint", TRUE);

  DI194.SampleRate(3.0);
  SDKerror(&DI194, "SampleRate", TRUE);

  DI194.Start();
  SDKerror(&DI194, "Start", TRUE);

/* Display voltages at all the analog inputs */

  for (;;)
  {
    status = DI194.NewData(count);
    SDKerror(&DI194, "NewData", TRUE);
    if (status)
      for (i = 0; i < count; i++)
      {
        DI194.GetDataEx(samplebuf, MAXCHANNELS);
        SDKerror(&DI194, "GetDataEx", TRUE);

        for (j = 0; j < MAXCHANNELS; j++)
          printf("%10.2f V ", (samplebuf[j] - offsets[j])*scalefactors[j]);

        putchar('\r');
        fflush(stdout);
      }
  }
}