public async Task RunProcesses(BlueToothCmds oBlueToothCmds)
{
DateTime dtCurrent = DateTime.UtcNow;
foreach (BluetoothCmd bcmd in oBlueToothCmds)
{
bcmd.dtNext = dtCurrent.AddMilliseconds(bcmd.Rate);
}
await Task.Run(() =>
{
while (true)
{
foreach (BluetoothCmd bcmd in oBlueToothCmds)
{
dtCurrent = DateTime.UtcNow;
if (dtCurrent >= bcmd.dtNext)
{
// ToDo: main processing routines!
bcmd.dtNext = dtCurrent.AddMilliseconds(bcmd.Rate);
Debug.WriteLine("Process:" + bcmd.Name);
}
}
}
}).ConfigureAwait(false);
}
/// <summary>
/// Performs Bluetooth connection operations
/// </summary>
/// <param name="name"></param>
/// <param name="address"></param>
private async void OpenBluetooth(string name, string address)
{
if (!Bluetooth.CheckAdapterPresent()) // Check if bluetooth is available on this device: display message and return on failure
{
DisplayMessage(Bluetooth.GetStatusMessage());
return;
}
if (!Bluetooth.CheckAdapterEnabled()) // Check if bluetooth is enabled on this device: display message and return on failure
{
// ToDo: open OS settings page?
DisplayMessage(Bluetooth.GetStatusMessage());
return;
}
Bluetooth oBth = new Bluetooth(true); // Create connection object
if (!oBth.LoadPairedDevices()) // Attempt to load paired devices: display message and return on failure
{
DisplayMessage(Bluetooth.GetStatusMessage());
return;
}
if (!oBth.CheckPairedDevices()) // Check if there are paired devices available: display message and return on failure
{
// ToDo: open OS settings page?
DisplayMessage(Bluetooth.GetStatusMessage());
return;
}
if (!await oBth.OpenPairedDevice(name, address)) // Attempt to open paired device: if failed get list of paired devices
{
List <BluetoothConnection> bcs = oBth.GetPairedDevices();
// ToDo: populate a listview and let user select the OBDII device
// Retry oBth.OpenPairedDevice(name, address);
return;
}
// Success! //////////
// Load some test commands and run processing loop
BlueToothCmds oBthCmds = new BlueToothCmds();
oBthCmds.CreateTestCommands();
await oBth.RunProcesses(oBthCmds);
}
private static string GetProcessHeader(BlueToothCmds bthcmds)
{
StringBuilder sb = new StringBuilder();
sb.Append("Time" + LOG_DELIMIT);
bthcmds.ForEach(x =>
{
if (!string.IsNullOrEmpty(x.Name) &&
(x.Selection_Type == BlueToothCmds.SELECTION_TYPE.USER ||
x.Selection_Type == BlueToothCmds.SELECTION_TYPE.USER_PROCESS))
{
sb.Append(x.Name + LOG_DELIMIT);
}
});
return(sb.ToString());
}
public bool InitLogging(BlueToothCmds blueToothCmds)
{
isError = false;
try
{
lBluetoothCmds = new List <BluetoothCmd>();
oBlueToothCmds = blueToothCmds ?? throw new Exception("Invalid Command List");
ProcessHeader = GetProcessHeader(blueToothCmds, lBluetoothCmds);
CreateLogFile();
return(true);
}
catch (Exception e)
{
isError = true;
status_message = e.Message;
return(false);
}
}
private static string GetProcessHeader(BlueToothCmds bthcmds, ICollection <BluetoothCmd> lbthcmds)
{
StringBuilder sb = new StringBuilder();
sb.Append("Time" + LOG_DELIMIT);
lbthcmds.Clear();
bthcmds.ForEach(x =>
{
// If valid append to string and add to working list
if (!string.IsNullOrEmpty(x.Name) &&
(x.Selection_Type == BlueToothCmds.SELECTION_TYPE.USER ||
x.Selection_Type == BlueToothCmds.SELECTION_TYPE.USER_PROCESS))
{
sb.Append(x.Name + LOG_DELIMIT);
lbthcmds.Add(x);
}
});
sb.Append(Environment.NewLine);
return(sb.ToString());
}
public static List <BluetoothCmd> CreateList()
{
BluetoothCmd coolant_temp = new BluetoothCmd()
{
Id = 1,
Name = "coolant temp",
Units_Imperial = "F",
Units_Metric = "C",
Cmd = "01051",
Rate = 3000,
Decimals = 0,
Expression_Imperial = "((a-40)*9/5+32)",
Expression_Metric = "(a - 40)",
Bytes = 4,
isRxBytes = true,
isSelected = false,
Value_Min = -40,
Value_Max = 215,
sCommand_Types = COMMAND_DEFAULT
};
BluetoothCmd vss = new BluetoothCmd()
{
Id = 2,
Name = "VSS",
Units_Imperial = "MPH",
Units_Metric = "KPH",
Cmd = "010D1",
Rate = 1000,
Decimals = 1,
Expression_Imperial = "(a / 1.609)",
Expression_Metric = "",
Bytes = 4,
isRxBytes = true,
sCommand_Types = COMMAND_DEFAULT,
isSelected = true,
Value_Min = 0,
Value_Max = 255
};
BluetoothCmd iat = new BluetoothCmd()
{
Id = 3,
Name = "IAT",
Units_Imperial = "F",
Units_Metric = "C",
Cmd = "010F1",
Rate = 1000,
Decimals = 1,
Expression_Imperial = "((a-40)*9/5+32)",
Expression_Metric = "(a - 40)",
Bytes = 4,
isRxBytes = true,
sCommand_Types = COMMAND_DEFAULT,
isSelected = false,
Value_Min = -40,
Value_Max = 215
};
BluetoothCmd map = new BluetoothCmd()
{
Id = 4,
Name = "MAP",
Units_Imperial = "PSI",
Units_Metric = "KPA",
Cmd = "010B1",
Rate = 1000,
Decimals = 1,
Expression_Imperial = "(a*0.145)",
Expression_Metric = "(a)",
Bytes = 4,
isRxBytes = true,
sCommand_Types = COMMAND_DEFAULT,
isSelected = false,
Value_Min = 0,
Value_Max = 255
};
BluetoothCmd tps = new BluetoothCmd()
{
Id = 5,
Name = "TPS",
Units_Imperial = "%",
Units_Metric = "%",
Cmd = "01111",
Rate = 500,
Decimals = 0,
Expression_Imperial = "(a * 100 / 255)",
Expression_Metric = "(a * 100 / 255)",
Bytes = 1,
isRxBytes = true,
sCommand_Types = COMMAND_DEFAULT,
isSelected = false,
Value_Min = 0,
Value_Max = 100
};
BluetoothCmd maf = new BluetoothCmd()
{
Id = 6,
Name = "MAF",
Units_Imperial = "G/S",
Units_Metric = "G/S",
Cmd = "010D1",
Rate = 1000,
Decimals = 1,
Expression_Imperial = "(a * 1)",
Expression_Metric = "(a * 1)",
Bytes = 1,
isRxBytes = true,
sCommand_Types = COMMAND_DEFAULT,
isSelected = false,
Value_Min = 0,
Value_Max = 10000
};
BluetoothCmd rpm = new BluetoothCmd()
{
Id = 7,
Name = "RPM",
Units_Imperial = "x1000",
Units_Metric = "x1000",
Cmd = "010C1",
Rate = 500,
Decimals = 0,
Expression_Imperial = "(a * 1)",
Expression_Metric = "(a * 1)",
Bytes = 1,
isRxBytes = true,
sCommand_Types = COMMAND_DEFAULT,
isSelected = false,
Value_Min = 0,
Value_Max = 10000
};
BluetoothCmd mpg = new BluetoothCmd()
{
Id = 8,
Name = "miles per gallon",
Units_Imperial = "MPG",
Units_Metric = "KPG",
Cmd = "",
Rate = 2000,
Decimals = 1,
Expression_Imperial = "(14.7*b*1740.572)/(3600*c/100)",
Expression_Metric = "(14.7*b*1740.572)/(3600*c/100)",
Bytes = 0,
isRxBytes = false,
sCommand_Types = COMMAND_DEFAULT,
isSelected = false,
Value_Min = 0,
Value_Max = 100
};
BluetoothCmd fuel_system_status = new BluetoothCmd()
{
Id = 9,
Name = "fuel system status",
Units_Imperial = "",
Units_Metric = "",
Cmd = "01031",
Rate = 5000,
Decimals = 0,
Expression_Imperial = "",
Expression_Metric = "",
Bytes = 4,
isRxBytes = false,
sCommand_Types = COMMAND_DEFAULT,
isSelected = false,
Value_Max = 0,
Value_Min = 0
};
BluetoothCmd fuel_pressure = new BluetoothCmd()
{
Id = 10,
Name = "fuel pressure",
Units_Imperial = "",
Units_Metric = "",
Cmd = "010A1",
Rate = 500,
Decimals = 0,
Expression_Imperial = "(100/128 * a - 100)",
Expression_Metric = "",
Bytes = 4,
isRxBytes = true,
sCommand_Types = COMMAND_DEFAULT,
isSelected = false,
Value_Min = 0,
Value_Max = 765
};
List <BluetoothCmd> commands_list = new List <BluetoothCmd>();
commands_list.Add(coolant_temp);
commands_list.Add(vss);
commands_list.Add(iat);
commands_list.Add(map);
commands_list.Add(tps);
commands_list.Add(maf);
commands_list.Add(rpm);
commands_list.Add(mpg);
commands_list.Add(fuel_system_status);
commands_list.Add(fuel_pressure);
//commands_list.Add(ign);
// Command type insert for any missing values
foreach (BluetoothCmd bthCmd in commands_list.Where(bthCmd => string.IsNullOrEmpty(bthCmd.sCommand_Types)))
{
bthCmd.sCommand_Types = BlueToothCmds.CommandTypesToJson(new[] { BlueToothCmds.COMMAND_TYPE.DEFAULT });
}
return(commands_list);
}
public Logging(BlueToothCmds blueToothCmds)
{
oBlueToothCmds = blueToothCmds ?? throw new Exception("Invalid Command List");
ProcessHeader = GetProcessHeader(blueToothCmds);
}