/// <summary>
/// Инициализировать соединение со slave-устройством по HART-протоколу.
/// </summary>
/// <param name="connector">Интерфейс обмена данными между устройствами.</param>
/// <param name="isSecondaryMaster"><see langword="true"/>, если связь установлена со вторичным мастером.</param>
/// <param name="frameFormat">Формат кадра.</param>
public HartProtocol(IConnector connector, bool isSecondaryMaster, FrameFormats frameFormat)
{
_connector = connector;
IsSecondaryMaster = isSecondaryMaster;
FrameFormat = frameFormat;
_connector.DataReceived += GetNewMessage;
}
/// <summary>
/// Получить адрес slave-устройства, отправившего ответ..
/// </summary>
/// <param name="data">Данные для десериализации.</param>
/// <param name="offset">Смещение в массиве <paramref name="data"/>, с которого начинается чтение данных.</param>
/// <param name="frameFormat">Формат фрейма.</param>
/// <returns></returns>
private static byte[] SetAddress(byte[] data, int offset, FrameFormats frameFormat)
{
byte[] result = null;
switch (frameFormat)
{
case FrameFormats.Short:
result = new byte[1];
result[0] = data[offset];
break;
case FrameFormats.Long:
result = new byte[5];
for (var i = 0; i < 5; i++)
{
result[i] = data[i + offset];
}
break;
}
return(result);
}
public CANSpyViewModel(int line)
{
if (line == 1)
{
Title = "CAN Line 1";
}
else
{
Title = "CAN Line 2";
}
bitTimings = new List <int>();
bitTimings.Add(50000);
bitTimings.Add(100000);
bitTimings.Add(125000);
bitTimings.Add(200000);
bitTimings.Add(250000);
bitTimings.Add(400000);
bitTimings.Add(500000);
bitTimings.Add(1000000);
selectedBitTiming = 50000;
samplingPoints = new List <double>();
samplingPoints.Add(75.00);
samplingPoints.Add(87.50);
selectedSamplingPoint = 75.00;
frameFormats = new List <string>();
FrameFormats.Add(frameFormat11Bit);
FrameFormats.Add(frameFormat29Bit);
selectedFrameFormat = frameFormat11Bit;
enableErrorReception = true;
applyMask = false;
lineNumber = line;
isSpying = false;
requestBufferTimer = new Timer(5000);
requestBufferTimer.Elapsed += UpdateMonitorBuffer;
requestBufferTimer.AutoReset = true;
requestBufferTimer.Enabled = false;
MonitorBuffer = new List <CANSpyMessage>();
StartCommand = new Command(async() =>
{
try
{
var param = new CANSpyParameters();
param.BitTiming = SelectedBitTiming;
//param.SamplingPoint = SelectedSamplingPoint;
if (selectedFrameFormat == frameFormat11Bit)
{
param.FrameFormat = CANSpyParameters.SimpleFrameFormat;
}
else
{
param.FrameFormat = CANSpyParameters.LongFrameFormat;
}
param.ErrorReception = EnableErrorReception;
param.ApplyMask = ApplyMask;
param.Mask = Convert.ToUInt32(Mask, 16);
param.ID = Convert.ToUInt32(ID, 16);
if (lineNumber == 1)
{
await AnalyzerDevice.SetCANParametersAsync(Services.SpyType.CANSpyOne, param);
await AnalyzerDevice.StartSpyAsync(Services.SpyType.CANSpyOne);
}
else if (lineNumber == 2)
{
await AnalyzerDevice.SetCANParametersAsync(Services.SpyType.CANSpyTwo, param);
await AnalyzerDevice.StartSpyAsync(Services.SpyType.CANSpyTwo);
}
Device.BeginInvokeOnMainThread(() =>
{
IsSpying = true;
});
requestBufferTimer.Enabled = true;
}
catch (Exception ex)
{
MessagingCenter.Send <CANSpyViewModel, string>(this, "StartError", ex.Message);
}
});
StopCommand = new Command(async() =>
{
try
{
if (lineNumber == 1)
{
await AnalyzerDevice.StopSpyAsync(Services.SpyType.CANSpyOne);
}
else if (lineNumber == 2)
{
await AnalyzerDevice.StopSpyAsync(Services.SpyType.CANSpyTwo);
}
Device.BeginInvokeOnMainThread(() =>
{
IsSpying = false;
});
requestBufferTimer.Enabled = false;
}
catch (Exception ex)
{
MessagingCenter.Send <CANSpyViewModel, string>(this, "StopError", ex.Message);
}
});
}
