static void Main(string[] args)
{
try
{
// detect connected all supported devices
var cDevice = Dwf.Enumerate(ENUMFILTER.All);
// list information about each device
cout.WriteLine("found " + cDevice.ToString() + " devices");
for (int i = 0; i < cDevice; i++)
{
// we use 0 based indexing
var szDeviceName = Dwf.EnumDeviceName(i);
var szSN = Dwf.EnumSN(i);
cout.WriteLine("device: " + (i + 1).ToString() + " name: " + szDeviceName + " " + szSN);
// before opening, check if the device isn’t already opened by other application, like: WaveForms
var fIsInUse = Dwf.EnumDeviceIsOpened(i);
if (!fIsInUse)
{
var hdwf = Dwf.DeviceOpen(i);
var cChannel = Dwf.AnalogInChannelCount(hdwf);
var frequencyRange = Dwf.AnalogInFrequencyInfo(hdwf);
cout.WriteLine("number of analog input channels: " + cChannel.ToString() + " maximum freq.: " + frequencyRange.Max.ToString() + " Hz");
Dwf.DeviceClose(hdwf);
hdwf = -1;
}
}
// before application exit make sure to close all opened devices by this process
Dwf.DeviceCloseAll();
}
catch (Exception ex)
{
cout.WriteLine("Error: " + ex.Message);
}
}
static void Main(string[] args)
{
try
{
cout.WriteLine("Open automatically the first available device");
var hdwf = Dwf.DeviceOpen(-1);
// get the number of analog in channels
var cChannel = Dwf.AnalogInChannelCount(hdwf);
// enable channels
for (int c = 0; c < cChannel; c++)
{
Dwf.AnalogInChannelEnableSet(hdwf, c, true);
}
// set 5V pk2pk input range for all channels
Dwf.AnalogInChannelRangeSet(hdwf, -1, 5);
// 20MHz sample rate
Dwf.AnalogInFrequencySet(hdwf, 20000000.0);
// get the maximum buffer size
var cSamples = Dwf.AnalogInBufferSizeInfo(hdwf).Max;
Dwf.AnalogInBufferSizeSet(hdwf, cSamples);
// configure trigger
Dwf.AnalogInTriggerSourceSet(hdwf, TRIGSRC.DetectorAnalogIn);
Dwf.AnalogInTriggerAutoTimeoutSet(hdwf, 10.0);
Dwf.AnalogInTriggerChannelSet(hdwf, 0);
Dwf.AnalogInTriggerTypeSet(hdwf, TRIGTYPE.Edge);
Dwf.AnalogInTriggerLevelSet(hdwf, 1.0);
Dwf.AnalogInTriggerConditionSet(hdwf, TRIGCOND.RisingPositive);
// wait at least 2 seconds with Analog Discovery for the offset to stabilize, before the first reading after device open or offset/range change
Wait(2);
// start
Dwf.AnalogInConfigure(hdwf, false, true);
cout.WriteLine("Waiting for triggered or auto acquisition");
STATE sts;
do
{
sts = Dwf.AnalogInStatus(hdwf, true);
} while (sts != STATE.Done);
double[] rgdSamples = null;
// get the samples for each channel
for (int c = 0; c < cChannel; c++)
{
rgdSamples = Dwf.AnalogInStatusData(hdwf, c, cSamples);
// do something with it
}
cout.WriteLine("done");
// close the device
Dwf.DeviceClose(hdwf);
}
catch (Exception ex)
{
cout.WriteLine("Error: " + ex.Message);
}
}
