public override Task TakeMeasurementAsync()
{
if (CurrentState == SensorStateEnum.Disabled)
{
throw new InvalidOperationException("Can't take measurement on disabled sensor!");
}
try
{
_pms5003.WakeUp();
_pms5003Data = _pms5003.ReadData();
Logger?.LogDebug("{Message}", _pms5003Data.ToString());
CurrentState = SensorStateEnum.Initialized;
}
catch (ReadFailedException e)
{
Logger?.LogError("{Message}", e.Message);
CurrentState = SensorStateEnum.Error;
_pms5003.Reset();
}
finally
{
_pms5003.Sleep();
}
return(Task.CompletedTask);
}
public void Test_FromBytes_Ok()
{
var tests = new byte[][]
{
new byte[]
{
66, 77, 0, 28, 0, 8, 0, 13, 0, 15, 0, 8, 0, 13, 0, 15, 7, 17, 1, 249, 0, 82, 0, 6, 0, 2, 0, 2, 151,
0, 2, 248
},
new byte[]
{
66, 77, 0, 28, 0, 9, 0, 15, 0, 16, 0, 9, 0, 15, 0, 16, 6, 246, 2, 11, 0, 104, 0, 4, 0, 2, 0, 2, 151,
0,
3, 11
},
new byte[]
{
66, 77, 0, 28, 0, 7, 0, 12, 0, 13, 0, 7, 0, 12, 0, 13, 5, 226, 1, 152, 0, 66, 0, 12, 0, 2, 0, 2,
151, 0,
3, 84
}
};
// Assert that no exception is thrown
foreach (var subTest in tests)
{
Pms5003Data.FromBytes(subTest);
}
}
public void Test_FromBytes_ChecksumMismatchException()
{
var tests = new byte[][]
{
new byte[]
{
66, 77, 0, 28, 0, 8, 0, 13, 0, 16, 0, 8, 0, 13, 0, 16, 6, 45, 1, 167, 0, 101, 0, 10, 0, 8, 0, 151,
0, 144, 255, 0
},
new byte[]
{
66, 77, 0, 28, 0, 7, 0, 11, 0, 13, 0, 7, 0, 11, 0, 13, 5, 193, 1, 155, 8, 1, 6, 0, 2, 0, 2, 151, 0,
3, 44, 0
},
new byte[]
{
66, 77, 0, 28, 0, 8, 0, 14, 0, 18, 0, 8, 0, 14, 0, 18, 6, 186, 1, 208, 0, 100, 0, 8, 0, 6, 0, 6,
151, 3, 155, 0
},
new byte[]
{
66, 77, 0, 28, 0, 7, 0, 10, 0, 10, 232, 0, 10, 0, 33, 208, 10, 165, 0, 70, 0, 4, 0, 0, 0, 0, 151, 0,
2, 161, 0, 0,
}
};
foreach (var subTest in tests)
{
Assert.Throws <ChecksumMismatchException>(() => Pms5003Data.FromBytes(subTest));
}
}
public void Test_ToString()
{
var pmsData = Pms5003Data.FromBytes(new byte[]
{
66, 77, 0, 28, 0, 7, 0, 12, 0, 13, 0, 7, 0, 12, 0, 13, 5, 226, 1, 152, 0, 66, 0, 12, 0, 2, 0, 2,
151, 0,
3, 84
});
_testOutputHelper.WriteLine(pmsData.ToString());
Assert.Equal(@"Pms5003Data[
Pm1Standard=7,
Pm2Dot5Standard=12,
Pm10Standard=13,
Pm1Atmospheric=7,
Pm2Dot5Atmospheric=12,
Pm10Atmospheric=13,
ParticlesDiameterBeyond0Dot3=1506,
ParticlesDiameterBeyond0Dot5=408,
ParticlesDiameterBeyond1Dot0=66,
ParticlesDiameterBeyond2Dot5=12,
ParticlesDiameterBeyond5Dot0=2,
ParticlesDiameterBeyond10Dot0=2,
Reserved=38656,
Checksum=852
]
", pmsData.ToString());
}
public void Test_FromBytes_InvalidStartByteException()
{
var tests = new byte[][]
{
new byte[]
{
66, 00, 0, 28, 0, 8, 0, 13, 0, 16, 0, 8, 0, 13, 0, 16, 6, 45, 1, 167, 0, 101, 0, 10, 0, 8, 0, 151,
0, 144, 255, 0
},
new byte[]
{
00, 77, 0, 28, 0, 7, 0, 11, 0, 13, 0, 7, 0, 11, 0, 13, 5, 193, 1, 155, 8, 1, 6, 0, 2, 0, 2, 151, 0,
3, 44, 0
},
};
foreach (var subTest in tests)
{
Assert.Throws <InvalidStartByteException>(() => Pms5003Data.FromBytes(subTest));
}
}
