public ITCMM.ITCChannelInfo ChannelInfo(StreamType channelType, ushort channelNumber)
{
ITCMM.ITCChannelInfo[] info = new ITCMM.ITCChannelInfo[1];
info[0] = new ITCMM.ITCChannelInfo()
{
ChannelNumber = channelNumber, ChannelType = (uint)channelType
};
uint err = ItcmmCall(() => ITCMM.ITC_GetChannels(DevicePtr, 1, info));
if (err != ITCMM.ACQ_SUCCESS)
{
throw new HekaDAQException("Unable to retrieve channel info struct.", err);
}
return(info[0]);
}
public void RoundTripChannelConfig()
{
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);
err = ITCMM.ITC_ResetChannels(device);
if (err != ITCMM.ACQ_SUCCESS)
{
Assert.Fail(ErrorDescription.ErrorString(err));
}
ITCMM.ITCChannelInfo[] info = new ITCMM.ITCChannelInfo[2];
info[0].ChannelNumber = 0;
info[0].ChannelType = ITCMM.OUTPUT_GROUP;
info[1].ChannelNumber = 0;
info[1].ChannelType = ITCMM.INPUT_GROUP;
const double srate = 8000;
info[0].SamplingRate = srate;
info[1].SamplingRate = srate;
err = ITCMM.ITC_SetChannels(device, 2, info);
if (err != ITCMM.ACQ_SUCCESS)
{
Assert.Fail(ErrorDescription.ErrorString(err));
}
err = ITCMM.ITC_UpdateChannels(device);
if (err != ITCMM.ACQ_SUCCESS)
{
Assert.Fail(ErrorDescription.ErrorString(err));
}
ITCMM.ITCChannelInfo[] actual = new ITCMM.ITCChannelInfo[2];
actual[0].ChannelType = info[0].ChannelType;
actual[0].ChannelNumber = info[0].ChannelNumber;
actual[1].ChannelType = info[1].ChannelType;
actual[1].ChannelNumber = info[1].ChannelNumber;
err = ITCMM.ITC_GetChannels(device, 2, actual);
if (err != ITCMM.ACQ_SUCCESS)
{
Assert.Fail(ErrorDescription.ErrorString(err));
}
Assert.AreEqual(info[0].SamplingRate, actual[0].SamplingRate);
Assert.AreEqual(info[1].SamplingRate, actual[1].SamplingRate);
}
finally
{
err = ITCMM.ITC_CloseDevice(device);
Assert.AreEqual(ITCMM.ACQ_SUCCESS,
err,
ErrorDescription.ErrorString(err)
);
}
}