void fire_results_status(CalibrationResultsEventArgs e)
{
if (CalibrationResults_Event != null)
{
CalibrationResults_Event(this, e);
}
}
/// <summary>
/// Handle the calibration results
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void calibration_Results_Event(object sender, CalibrationResultsEventArgs e)
{
// Check whether db logging is disabled
if (!isDBLogingEnabled())
return;
DataRow r = _datatable_calibrate.NewRow();
r["VoltageGain"] = e.Voltage_gain;
r["CurrentGain"] = e.Current_gain;
r["Eui"] = e.EUI;
r["DateCalibrated"] = e.Timestamp;
lock (_datatable_calibrate)
{
_datatable_calibrate.Rows.Add(r);
}
if (_task_updatedb == null || _task_updatedb.Status != TaskStatus.Created)
{
_task_updatedb = new Task(updateDB);
}
if (_task_updatedb.Status != TaskStatus.Running)
{
_task_updatedb.Start();
}
if (_datatable_calibrate.Rows.Count > 10000)
{
_datatable_calibrate.Rows.Clear();
}
}
/// <summary>
/// Calibrates using just the Ember
/// Voltage and Current register values are gathered using custom commands
/// </summary>
public void Run(CancellationToken cancel)
{
string datain, msg;
datain = _telnet_connection.Read();
TraceLogger.Log(datain);
// Patch gain to 1
fire_run_status("Patch Gain to 1");
msg = patch(0x400000, 0x400000);
TraceLogger.Log(msg);
// Note there is a problem with Hornshark/Mudshark not resetting after a patch
reset_workaround();
Thread.Sleep(1000);
datain = _telnet_connection.Read();
TraceLogger.Log(datain);
// Connect the load and verify ac
_relay_ctrl.WriteLine(Relay_Lines.Load, true);
Thread.Sleep(1000);
verify_voltage_ac();
string cmd_prefix = TCLI.Get_Custom_Command_Prefix(_telnet_connection);
TraceLogger.Log("cmd_prefix = " + cmd_prefix);
string eui = TCLI.Get_EUI(_telnet_connection);
TraceLogger.Log("eui = " + eui);
// Get UUT current/voltage values
fire_run_status("Get UUT values");
TCLI.Current_Voltage cv = new TCLI.Current_Voltage();
double power1 = 0.0, power2 = 0.0;
int max_try_count = 5;
for (int i = 0; i < max_try_count; i++)
{
// Close the UUT relay
// Jigs short-out the relay....
if (_board_type == BoardTypes.Humpback)
{
// With Shuko we could not short relay
TraceLogger.Log("Set_Relay_State ON");
TCLI.Set_Relay_State(_telnet_connection, true);
}
bool error_reading = false;
try
{
cv = TCLI.Parse_Pload_Registers(
_telnet_connection, cmd_prefix, _voltage_ac_reference, _current_ac_reference);
}
catch (Exception ex)
{
if (i + 1 >= max_try_count)
{
throw;
}
error_reading = true;
fire_status(ex.Message + ". Retrying...");
}
if (!error_reading)
{
power1 = cv.Voltage * cv.Current;
double delta1 = 100;
if (power1 != 0)
delta1 = Math.Abs((power2 - power1) * 100 / power1);
msg = string.Format("Cirrus I = {0:F8}, V = {1:F8}, P = {2:F8}, D = {3:F8}",
cv.Current, cv.Voltage, cv.Current * cv.Voltage, delta1);
fire_status(msg);
//TraceLogger.Log(msg);
if (delta1 != 100.0 && delta1 != 0.0 && delta1 < 1.0)
break;
}
power2 = power1;
Thread.Sleep(250);
}
if (cv.Voltage < _uut_voltage_ac_low_limit || cv.Voltage > _uut_voltage_ac_high_limit)
{
msg = string.Format(
"Cirrus voltage before calibration not within allowed limit values: {0:F8} < {1:F8} < {2:F8}",
_uut_voltage_ac_low_limit, cv.Voltage, _uut_voltage_ac_high_limit);
throw new Exception(msg);
}
if (cv.Current < _uut_current_ac_low_limit || cv.Current > _uut_current_ac_high_limit)
{
msg = string.Format(
"Cirrus current before calibration not within allowed limit values: {0:F8} < {1:F8} < {2:F8}",
_uut_current_ac_low_limit, cv.Current, _uut_current_ac_high_limit);
throw new Exception(msg);
}
/// The meter measurements
fire_run_status("Meter measurements");
double current_meter;
if (_meter == null)
{
Form_EnterMeasurement dlg = new Form_EnterMeasurement();
current_meter = dlg.GetMeasurement("Enter AC Current");
}
else
{
_meter.Init();
_meter.SetupForIAC();
string current_meter_str = _meter.Measure();
current_meter_str = _meter.Measure();
try
{
current_meter = Double.Parse(current_meter_str);
}
catch (Exception)
{
throw;
}
// Note that input should be on white 0.5 A terminal
// Make sure System->Language = COMP
if (_meter.Model == MultiMeter.Models.GDM8341)
current_meter /= 1000;
}
msg = string.Format("Meter I = {0:F8}", current_meter);
TraceLogger.Log(msg);
double voltage_meter;
if (_meter == null)
{
Form_EnterMeasurement dlg = new Form_EnterMeasurement();
voltage_meter = dlg.GetMeasurement("Enter AC Voltage");
}
else
{
_meter.SetupForVAC();
string voltage_meter_str = _meter.Measure();
voltage_meter_str = _meter.Measure();
_meter.CloseSerialPort();
voltage_meter = Double.Parse(voltage_meter_str);
}
msg = string.Format("Meter I = {0:F8}, V = {1:F8}, P = {2:F8}",
current_meter, voltage_meter, current_meter * voltage_meter);
fire_status(msg);
//if (voltage_meter < 100 || voltage_meter > 260)
if (voltage_meter < _load_voltage_ac_low_limit || voltage_meter > _load_voltage_ac_high_limit)
{
msg = string.Format(
"Meter voltage before calibration not within limit values: {0:F8} < {1:F8} < {2:F8}",
_load_voltage_ac_low_limit, voltage_meter, _load_voltage_ac_high_limit);
throw new Exception(msg);
}
if (current_meter < _load_current_ac_low_limit || current_meter > _load_current_ac_high_limit)
//if (current_meter < 0.01 || current_meter > 1)
{
msg = string.Format(
"Meter current before calibration not within limit values: {0:F8} < {1:F8} < {2:F8}",
_load_current_ac_low_limit, current_meter, _load_current_ac_high_limit);
//msg = string.Format("Meter current before calibration not within limit values: {0:F8} < {1:F8} < {2:F8}", 0.01, current_meter, 1);
throw new Exception(msg);
}
// Gain calculations
fire_run_status("Gain calculations");
double current_gain = current_meter / cv.Current;
//double current_gain = current_meter / current_cs;
int current_gain_int = (int)(current_gain * 0x400000);
msg = string.Format("Current Gain = {0:F8} (0x{1:X})", current_gain, current_gain_int);
fire_status(msg);
double voltage_gain = voltage_meter / cv.Voltage;
int voltage_gain_int = (int)(voltage_gain * 0x400000);
msg = string.Format("Voltage Gain = {0:F8} (0x{1:X})", voltage_gain, voltage_gain_int);
fire_status(msg);
CalibrationResultsEventArgs args_results = new CalibrationResultsEventArgs();
args_results.Timestamp = DateTime.Now;
args_results.EUI = eui;
args_results.Voltage_gain = voltage_gain_int;
args_results.Current_gain = current_gain_int;
fire_results_status(args_results);
// Patch new gain
fire_run_status("Patch Gain");
msg = patch(voltage_gain_int, current_gain_int);
TraceLogger.Log(msg);
// Note there is a problem with Hornshark/Mudshark not resetting after a patch
reset_workaround();
Thread.Sleep(3000);
datain = _telnet_connection.Read();
TraceLogger.Log(datain);
_telnet_connection.WriteLine(string.Format("cu {0}_pinfo", cmd_prefix));
Thread.Sleep(500);
datain = _telnet_connection.Read();
TraceLogger.Log(datain);
// Get UUT current/voltage values
fire_run_status("Get UUT calibrated values");
power1 = 0.0; power2 = 0.0;
cv = new TCLI.Current_Voltage();
max_try_count = 5;
for (int i = 0; i < max_try_count; i++)
{
bool error_reading = false;
try
{
cv = TCLI.Parse_Pload_Registers(
_telnet_connection, cmd_prefix, _voltage_ac_reference, _current_ac_reference);
}
catch (Exception ex)
{
if (i + 1 >= max_try_count)
{
throw;
}
error_reading = true;
fire_status(ex.Message + ". Retrying...");
}
if (!error_reading)
{
power1 = cv.Voltage * cv.Current;
double delta1 = 100;
if (power1 != 0)
delta1 = Math.Abs((power2 - power1) * 100 / power1);
msg = string.Format("Cirrus I = {0:F8}, V = {1:F8}, P = {2:F8}, D = {3:F8}",
cv.Current, cv.Voltage, cv.Current * cv.Voltage, delta1);
fire_status(msg);
if (delta1 != 100.0 && delta1 != 0.0 && delta1 < 1.0)
break;
}
power2 = power1;
Thread.Sleep(250);
}
// Check calibration
double delta = voltage_meter * 0.3;
double high_limit = voltage_meter + delta;
double low_limit = voltage_meter - delta;
if (cv.Voltage < low_limit || cv.Voltage > high_limit)
{
msg = string.Format(
"Voltage after calibration not within limit values: {0:F8} < {1:F8} < {2:F8}",
low_limit, cv.Voltage, high_limit);
TraceLogger.Log(msg);
throw new Exception(msg);
}
delta = current_meter * 0.3;
high_limit = current_meter + delta;
low_limit = current_meter - delta;
if (cv.Current < low_limit || cv.Current > high_limit)
{
msg = string.Format(
"Current after calibration not within limit values: {0:F8} < {1:F8} < {2:F8}",
low_limit, cv.Current, high_limit);
TraceLogger.Log(msg);
throw new Exception(msg);
}
}
