/// <summary>
/// Builds a measurement
/// </summary>
/// <param name="PRT_m">The PRT being used in the measurement</param>
/// <param name="MUX_m">The MUX type that the PRT is pluged into</param>
/// <param name="bridge_m">The type of resistance bridge the PRT is plugged into</param>
/// <param name="bridge_m">The channel for the measurement</param>
/// <param name="bridge_m">A delegate to be called when temperature data becomes available</param>
public TemperatureMeasurement(ref PRT PRT_m, ref MUX MUX_m, ref ResistanceBridge bridge_m, short channel, long measurement_index)
{
prt = PRT_m;
mux = MUX_m;
bridge = bridge_m;
lab_location = "";
filename = "";
channel_for_measurement = channel;
result = 0.0;
measurement_index_ = measurement_index;
//thread_count = measurement_index+1;
x_data = new StringBuilder("");
y_data = new StringBuilder("");
date = DateTime.Now;
assigned_thread_priority = 1; //make the fresh measurement added have the highest execution priority.
//everytime we add a new measurement change the size of the thread array
//Array.Resize(ref threads_running,(int) measurement_index);
Array.Resize(ref current_measurements, (int)measurement_index + 1);
current_measurements[measurement_index] = this;
//Array.Resize(ref threadexecution, (int)measurement_index);
//threadexecution[measurement_index] = true;
}
public static void MeasureAll()
{
string init_string = String.Concat(TemperatureMeasurement.MeasurementList[0].bridge.GPIBSICL, TemperatureMeasurement.MeasurementList[0].bridge.GPIBAddr);
ResistanceBridge.createInteropObject();
TemperatureMeasurement.MeasurementList[0].bridge.InitIO(init_string);
//TemperatureMeasurement measuring = (TemperatureMeasurement)stateInfo;
while (TemperatureMeasurement.MeasurementList.Length != 30)
{
TemperatureMeasurement.thread_running.Join(1000);
}
//The file paths
string path;
string path2;
//create a file stream writer to put the data into
System.IO.StreamWriter writer = null;
//record the month we are in
int month_ = System.DateTime.Now.Month;
thread_running.Join(3000);
while (true)
{
int i = 0;
foreach (TemperatureMeasurement current_m in TemperatureMeasurement.MeasurementList)
{
TemperatureMeasurement.thread_running.Join(500);
bool appenditure = false;
path = TemperatureMeasurement.MeasurementList[i].directory + TemperatureMeasurement.MeasurementList[i].Filename + ".txt";
path2 = @"G:\Shared drives\MSL - Length\Length\Temperature Monitoring Data\" + TemperatureMeasurement.MeasurementList[i].Filename + "_" + System.DateTime.Now.Ticks.ToString() + ".txt";
try
{
//if the file exists append to it otherwise create a new file
if (System.IO.File.Exists(path))
{
appenditure = true;
writer = System.IO.File.AppendText(path);
}
else
{
writer = System.IO.File.CreateText(path);
}
}
catch (System.IO.IOException e)
{
//Caused because a file is already open for editing, solve by creating a new file and appending the date onto the filename
writer = System.IO.File.CreateText(path2);
}
using (writer)
{
//if appending we don't need this again
if (!appenditure)
{
writer.WriteLine("Automatically Generated File!\n");
}
//set the current (incoming) measurements priority to be the lowest (biggest number)
//measuring.AssignedThreadPriority = thread_count;
//make the current thread wait until its priority reaches 1
//lock (lockthis) while (measuring.AssignedThreadPriority != 1) Monitor.Wait(lockthis);
//---------------------------------------------------------------------START OF CRITICAL SECTION-------------------------------------------------------------
//lock(lockthis)
//{
//make sure the channel is correct (it may have been changed by another thread)
TemperatureMeasurement.MeasurementList[i].setMUXChannel();
//sleep the thread for the specified dead time
//Thread.Sleep((int)(measuring.Inverval * 1000));
//take the measurement
double measurement_result = TemperatureMeasurement.MeasurementList[i].Measure();
TemperatureMeasurement.MeasurementList[i].Result = measurement_result;
TemperatureMeasurement.MeasurementList[i].y_data.Append(measurement_result.ToString() + ",");
//record the time of the measurement
TemperatureMeasurement.MeasurementList[i].date_time = System.DateTime.Now;
double ole_date = TemperatureMeasurement.MeasurementList[i].date_time.ToOADate();
TemperatureMeasurement.MeasurementList[i].x_data.Append(ole_date.ToString() + ",");
//invoke the GUI to print the temperature data
data(measurement_result
, TemperatureMeasurement.MeasurementList[i].filename + " on CH" + TemperatureMeasurement.MeasurementList[i].channel_for_measurement.ToString() + " in " + TemperatureMeasurement.MeasurementList[i].lab_location + "\n"
, i);
TemperatureMeasurement.MeasurementList[i].Result = measurement_result;
try
{
if ((measurement_result < 25.0) || (measurement_result > 15.0))
{
measurement_anomalies++;
}
}
catch (Exception)
{
continue;
}
try
{
//write the measurement to file
writer.WriteLine(string.Concat(measurement_result.ToString() + ", " + TemperatureMeasurement.MeasurementList[i].MUX.getCurrentChannel().ToString()
, "," + TemperatureMeasurement.MeasurementList[i].date_time.ToString() + ", " + TemperatureMeasurement.MeasurementList[i].lab_location
, ", " + TemperatureMeasurement.MeasurementList[i].Filename));
writer.Flush();
}
catch (System.IO.IOException)
{
MessageBox.Show("Issue writing to file - Check Drive");
writer.Close();
//writer = System.IO.File.CreateText("c:" + TemperatureMeasurement.MeasurementList[i].Filename);
}
//now that the critical section has finished let the exiting thread decrement all the measurement priorities
//for (int i = 0; i < TemperatureMeasurement.ThreadCount; i++)
//{
// current_measurements[i].AssignedThreadPriority--;
// Monitor.PulseAll(lockthis);
//}
//if we have removed an item then we need to reorder the priorities
//if (measuring.measurementRemoved)
//{
// measuring.measurementRemoved = false;
// for (long i = measuring.measurementRemovalIndex; i < TemperatureMeasurement.ThreadCount; i++)
// {
// current_measurements[i].AssignedThreadPriority--;
// Monitor.PulseAll(lockthis);
// }
//}
writer.Close();
}
i++;
}
}
//thread_count--;
}
