public int AvailableSamples(StreamType channelType, ushort channelNumber)
{
ItcmmCall(() => ITCMM.ITC_UpdateNow(DevicePtr, System.IntPtr.Zero));
ITCMM.ITCChannelDataEx[] channelData = new ITCMM.ITCChannelDataEx[1];
channelData[0].ChannelType = (ushort)channelType;
channelData[0].ChannelNumber = channelNumber;
uint err = ItcmmCall(() => ITCMM.ITC_GetDataAvailable(DevicePtr, 1, channelData));
if (err != ITCMM.ACQ_SUCCESS)
{
throw new HekaDAQException("Unable to get available FIFO points", err);
}
return(channelData[0].Value);
}
public void ReadAvailableSamples()
{
HekkaDevice device = HekkaDevice.Zero;
uint err = ITCMM.ITC_OpenDevice(ITCMM.USB18_ID, 0, ITCMM.SMART_MODE, out device);
if (err != ITCMM.ACQ_SUCCESS)
{
Assert.Fail(ErrorDescription.ErrorString(err));
}
try
{
//ITCMM.HWFunction hwf = new ITCMM.HWFunction();
err = ITCMM.ITC_InitDevice(device, IntPtr.Zero); // ref hwf);
ITCMM.ITCPublicConfig config = new ITCMM.ITCPublicConfig();
config.OutputEnable = 1;
err = ITCMM.ITC_ConfigDevice(device, ref config);
if (err != ITCMM.ACQ_SUCCESS)
{
Assert.Fail(ErrorDescription.ErrorString(err));
}
Assert.NotNull(device);
ITCMM.ITCChannelInfo channelInfo = new ITCMM.ITCChannelInfo();
channelInfo.ChannelType = ITCMM.H2D;
channelInfo.ChannelNumber = 0;
channelInfo.SamplingRate = 1000.0;
Assert.AreEqual(System.IntPtr.Zero, channelInfo.FIFOPointer);
Assert.AreEqual(ITCMM.ACQ_SUCCESS,
ITCMM.ITC_SetChannels(device, 1, new ITCMM.ITCChannelInfo[] { channelInfo })
);
Assert.AreEqual(ITCMM.ACQ_SUCCESS,
(int)ITCMM.ITC_UpdateChannels(device)
);
ITCMM.ITCChannelDataEx info = new ITCMM.ITCChannelDataEx();
info.ChannelType = ITCMM.H2D;
info.ChannelNumber = 0;
ITCMM.ITCChannelDataEx[] arr = new ITCMM.ITCChannelDataEx[] { info };
err = ITCMM.ITC_GetDataAvailable(device, 1, arr);
if (err != ITCMM.ACQ_SUCCESS)
{
Assert.Fail(ErrorDescription.ErrorString(err));
}
info = arr[0];
Assert.That(info.Value, Is.GreaterThanOrEqualTo(0));
}
finally
{
err = ITCMM.ITC_CloseDevice(device);
Assert.AreEqual(ITCMM.ACQ_SUCCESS,
err,
ErrorDescription.ErrorString(err)
);
}
}