// Manages the state of the example on enter
public async void OnExampleEnter()
{
//Reset();
//_startDelegate = TimedMethod.Invoke(Start).After(500).Go();
IsRunning = true;
var sender = await ConnectDevAsync();
if (sender == null)
{
BrainDeviceManager.DisConnect();
IsRunning = false;
_devCtl = null;
return;
}
if (!await StartSampleAsync(sender))
{
BrainDeviceManager.DisConnect();
IsRunning = false;
_devCtl = null;
return;
}
_devCtl = sender;
IsReset = false;
_pakNum = 0;
}
private async void StartDevCmd()
{
if (!IsRunning)
{
IsRunning = true;
if (_devCtl != null)
{
IsReset = false;
//_pakNum = 0;
if (!await StartSampleAsync(_devCtl))
{
BrainDeviceManager.DisConnect();
IsRunning = false;
_devCtl = null;
return;
}
}
else
{
OnExampleEnter();
}
}
}
private async Task StartDevice()
{
BrainDeviceManager.Init();
var sender = await BrainDeviceManager.Connnect("127.0.0.1", 9211);
_currentState = default(BrainDevState);
//保证设备参数正常才继续跑逻辑
BrainDeviceManager.BrainDeviceState.Subscribe(ss =>
{
_currentState = ss;
var pmax = 4.5f * 2 / _currentState.Gain;
YVisibleRange = new DoubleRange(-pmax, pmax);
AppLogger.Debug($"Brain Device State Changed Detected: {ss}");
}, () =>
{
AppLogger.Debug("device stop detected");
});
int totalReceived = 0;
BrainDeviceManager.SampleDataStream.Subscribe(tuple =>
{
var(order, datas, arr) = tuple;
var copyArr = datas.CopyToArray();
if (copyArr != null)
{
_viewStream.OnNext(copyArr);
}
//Console.Write($" {order} ");
totalReceived++;
//AppLogger.Debug($"order:{order}");
//AppLogger.Debug($"converted values:{datas.Show()}");
//AppLogger.Debug($"original datas:{arr.Show()}");
}, () =>
{
AppLogger.Debug("device sampling stream closed detected");
});
var cmdResult = await sender.QueryParam();
AppLogger.Debug("QueryParam result:" + cmdResult);
if (cmdResult != CommandError.Success)
{
AppLogger.Error("Failed to QueryParam, stop");
BrainDeviceManager.DisConnect();
return;
}
cmdResult = await sender.SetFilter(false);
AppLogger.Debug("SetFilter result:" + cmdResult);
cmdResult = await sender.SetTrap(TrapSettingEnum.NoTrap);
AppLogger.Debug("SetTrap result:" + cmdResult);
cmdResult = await sender.SetSampleRate(SampleRateEnum.SPS_2k);
AppLogger.Debug("SetSampleRate result:" + cmdResult);
cmdResult = await sender.QueryParam();
AppLogger.Debug("QueryParam result:" + cmdResult);
var fs = new FileResource(_currentState, 19801983, 1, BrainDeviceManager.BufMgr);
fs.StartRecord(BrainDeviceManager.SampleDataStream);
cmdResult = await sender.Start();
if (cmdResult != CommandError.Success)
{
AppLogger.Error("Failed to start sampler");
}
else
{
AppLogger.Debug($"start receive sample data");
await Task.Delay(1000 *60);
AppLogger.Debug($"stoping");
await sender.Stop();
AppLogger.Debug($"stop receive sample data");
await Task.Delay(1000);
}
BrainDeviceManager.DisConnect();
fs.Dispose();
}
private static async Task TestBrainDeviceManager()
{
var cfg = ClientConfig.GetConfig();
var lowFilter = new LowPassFilter()
{
LowPassRate = 10
};
var highFilter = new HighPassFilter()
{
HighPassRate = 10000
};
var bPassFilter = new BandPassFilter()
{
LowCutoffRate = 20, HighCutoffRate = 30
};
var bStopFilter = new BandStopFilter()
{
LowPassRate = 35, HighPassRate = 38
};
var mFilter = new MedianFilter()
{
HalfMedianWindowSize = 7
};
var bandFilter = new BandPassStopFilter
{
BandFilterList = new List <BandFilter> {
lowFilter, highFilter, bPassFilter, bStopFilter
}
};
bandFilter.Disable = true;
var allFilter = new FilterTypeList()
{
Filters = new List <FilterType> {
bandFilter, mFilter
}
};
var filterParameters = new Dictionary <string, string>
{
{ FilterTypeList.FIRhalfOrderOptionName, 10.ToString() }
};
cfg.FilterLst = allFilter;
IOnlineFilter filter = null;
WaveletReconstruction waveletRec = null;
cfg.WaveletRecCfg = new WaveletReconstructionConfig
{
AvgLevel = 8,
ConvolutionMode = ConvolutionModeEnum.Normal,
ExtensionMode = SignalExtension.ExtensionMode.SymmetricHalfPoint,
Level = 8,
MotherWaveletName = "db5",
WindowSize = 15
};
cfg.WriteToFile(ClientConfig.DefaultConfigFileName);
BrainDeviceManager.Init();
var sender = await BrainDeviceManager.Connnect("127.0.0.1", 9211);
BrainDevState currentState = default(BrainDevState);
//保证设备参数正常才继续跑逻辑
BrainDeviceManager.BrainDeviceState.Subscribe(ss =>
{
currentState = ss;
filterParameters.Update(
FilterTypeList.SampleRateOptionName,
BrainDevState.SampleCountPer1Sec(ss.SampleRate).ToString()
);
//AppLogger.Debug($"Brain Device State Changed Detected: {ss}");
}, () =>
{
AppLogger.Debug("device stop detected");
});
int totalReceived = 0;
var medianFilter = OnlineFirFilter.CreateDenoise(7);
var fastMedianFilter = new OnlineFastMedianFilter(3);
BrainDeviceManager.SampleDataStream.Subscribe(tuple =>
{
var(order, datas, arr) = tuple;
//Console.Write($" {order} ");
var passTimes = BrainDevState.PassTimeMs(currentState.SampleRate, totalReceived) / 1000;
var intArr = datas.CopyToArray();
var val = intArr[0];
var voltage = BitDataConverter.Calculatevoltage(val, 4.5f, currentState.Gain);
totalReceived++;
var m1 = medianFilter.ProcessSample(voltage);
var m2 = fastMedianFilter.ProcessSample(voltage);
AppLogger.Debug($"passTimes:{passTimes},val:{val},voltage:{voltage},median filter:{m1},fast:{m2},{m1==m2}");
if (filter == null)
{
filter = allFilter.CreateFilter(filterParameters);
waveletRec = cfg.WaveletRecCfg.Create(
BrainDevState.SampleCountPer1Sec(currentState.SampleRate));
waveletRec.ReconstructionStream.Subscribe(reconstruct =>
{
var(vol, tim) = reconstruct;
AppLogger.Debug($"wavelet reconstruction:{vol} at {tim}");
});
}
waveletRec?.BufferData((voltage, passTimes));
AppLogger.Debug($"filter processed:{filter.ProcessSample(voltage)}");
//AppLogger.Debug($"order:{order}");
//AppLogger.Debug($"converted values:{datas.Show()}");
//AppLogger.Debug($"original datas:{arr.Show()}");
}, () =>
{
AppLogger.Debug("device sampling stream closed detected");
});
var cmdResult = await sender.QueryParam();
AppLogger.Debug("QueryParam result:" + cmdResult);
if (cmdResult != CommandError.Success)
{
AppLogger.Error("Failed to QueryParam, stop");
BrainDeviceManager.DisConnect();
return;
}
cmdResult = await sender.SetFilter(true);
AppLogger.Debug("SetFilter result:" + cmdResult);
cmdResult = await sender.SetTrap(TrapSettingEnum.Trap_50);
AppLogger.Debug("SetTrap result:" + cmdResult);
cmdResult = await sender.SetSampleRate(SampleRateEnum.SPS_2k);
AppLogger.Debug("SetSampleRate result:" + cmdResult);
cmdResult = await sender.QueryParam();
AppLogger.Debug("QueryParam result:" + cmdResult);
cmdResult = await sender.QueryFaultState();
AppLogger.Debug("QueryFaultState result:" + cmdResult);
cmdResult = await sender.TestSingleImpedance(1);
AppLogger.Debug("TestSingleImpedance result:" + cmdResult);
cmdResult = await sender.TestMultiImpedance(30);
AppLogger.Debug("TestMultiImpedance result:" + cmdResult);
Console.ReadLine();
var fs = new FileResource(currentState, 19801983, 1, BrainDeviceManager.BufMgr);
fs.StartRecord(BrainDeviceManager.SampleDataStream);
cmdResult = await sender.Start();
if (cmdResult != CommandError.Success)
{
AppLogger.Error("Failed to start sampler");
}
else
{
AppLogger.Debug($"start receive sample data");
await Task.Delay(1000 *10);
AppLogger.Debug($"stoping");
await sender.Stop();
AppLogger.Debug($"stop receive sample data");
await Task.Delay(1000);
}
BrainDeviceManager.DisConnect();
fs.Dispose();
var readf = new FileSampleData(fs.ResourceId, BrainDeviceManager.BufMgr);
Console.WriteLine($"expecte to read {totalReceived} blocks");
Console.WriteLine($"start reading saved sampling data");
int readCount = 0;
readf.DataStream.Subscribe(tuple =>
{
var(order, datas, arr) = tuple;
Console.Write($" {order} ");
readCount++;
//AppLogger.Debug($"order:{order}");
//AppLogger.Debug($"converted values:{datas.Show()}");
//AppLogger.Debug($"original datas:{arr.Show()}");
}, () =>
{
AppLogger.Debug($"read sampling data file end,count :{readCount},expected count:{totalReceived}");
});
readf.Start();
await Task.Delay(1000 *10);
Console.Write($"wait complete");
}
private async Task <DevCommandSender> ConnectDevAsync()
{
try
{
BrainDeviceManager.Init();
//TODO config IP and port
var sender = await BrainDeviceManager.Connnect("127.0.0.1", 9211);
//TODO config vRef (default = 4.5f)
//保证设备参数正常才继续跑逻辑
BrainDeviceManager.BrainDeviceState.Subscribe(ss =>
{
_currentState = ss;
ChannelCount = _currentState.ChannelCount;
_uithread.InvokeAsync(CreateChannelParts);
var pmax = 4.5f * 2 / _currentState.Gain;
//YVisibleRange = new DoubleRange(-pmax, pmax);
AppLogger.Debug($"Brain Device State Changed Detected: {ss}");
}, () =>
{
AppLogger.Debug("device stop detected");
});
BrainDeviceManager.SampleDataStream.Subscribe(tuple =>
{
var(order, datas, arr) = tuple;
var copyArr = datas.CopyToArray();
if (copyArr != null)
{
_viewStream.OnNext(copyArr);
}
//Console.Write($" {order} ");
//AppLogger.Debug($"order:{order}");
//AppLogger.Debug($"converted values:{datas.Show()}");
//AppLogger.Debug($"original datas:{arr.Show()}");
}, () =>
{
AppLogger.Debug("device sampling stream closed detected");
});
var cmdResult = await sender.QueryParam();
AppLogger.Debug("QueryParam result:" + cmdResult);
if (cmdResult != CommandError.Success)
{
AppLogger.Error("Failed to QueryParam, stop");
BrainDeviceManager.DisConnect();
return(null);
}
return(sender);
}
catch (Exception)
{
return(null);
}
/*
* cmdResult = await sender.SetFilter(false);
* AppLogger.Debug("SetFilter result:"+cmdResult);
*
* cmdResult = await sender.SetTrap(TrapSettingEnum.NoTrap);
* AppLogger.Debug("SetTrap result:"+cmdResult);
*
* cmdResult = await sender.SetSampleRate(SampleRateEnum.SPS_2k);
* AppLogger.Debug("SetSampleRate result:"+cmdResult);
*
* cmdResult = await sender.QueryParam();
* AppLogger.Debug("QueryParam result:"+cmdResult);
*/
}
