public async Task <List <float> > ReadSensors(int intTime = 20, int numObs = 1)
{
Lock();
// send command
byte[] msg = new byte[4];
msg[0] = 18;
msg[1] = (byte)intTime;
msg[2] = (byte)numObs;
Writer.WriteBytes(msg);
await Writer.StoreAsync();
// get result
await Reader.LoadAsync(sizeof(float) * 18);
var lst = new List <SpectralData>();
for (int i = 0; i < 18; ++i)
{
var value = Reader.ReadSingle();
Debug.WriteLine($"Channel {i}: {value}");
lst.Add(new SpectralData
{
Channel = i,
Freq = SpectralData.GetChannelFreq(i),
Value = value
});
}
Unlock();
return(lst.OrderBy(a => a.Freq).Select(a => a.Value).ToList());
}
public async Task <Measurement> GetMeasurement()
{
Lock();
var meas = new Measurement();
try
{
byte[] msg = new byte[4];
msg[0] = 0x6;
msg[1] = 5;
msg[2] = 25;
msg[3] = 255;
Writer.WriteBytes(msg);
await Writer.StoreAsync();
}
catch (Exception ee)
{
await new Windows.UI.Popups.MessageDialog($"Warning!\n{ee.Message}").ShowAsync();
throw new Exception(ee.Message);
}
try
{
await Reader.LoadAsync(sizeof(float) * 36);
var loc = new List <float>();
for (int i = 0; i < 36; ++i)
{
float value = Reader.ReadSingle();
meas.Data.Add(new SpectralData
{
Measurement = meas,
LedId = (int)(i / 18),
Channel = i,
Freq = SpectralData.GetChannelFreq(i % 18),
Value = value
});
}
}
catch (Exception ee)
{
await new Windows.UI.Popups.MessageDialog($"Warning!\n{ee.Message}").ShowAsync();
throw new Exception(ee.Message);
}
Unlock();
return(meas);
}