private void SetMaximumButton_Click(object sender, RoutedEventArgs e)
{
double num;
//read Loadcell to get Raw Maximum Value
if (SetMaximumTextBox.Text == "")
{
errorMessageShow("Please enter weight value, then press Calibrate button"); return;
}
if (!double.TryParse(SetMaximumTextBox.Text, out num))
{
errorMessageShow("Please enter numeric value for weight value"); return;
}
_UserMaximumValue = Convert.ToDecimal(SetMaximumTextBox.Text); //Capture User Maximum
//_MaximumValue = Convert.ToDecimal(SetMaximumTextBox.Text); //Capture User Minimum
_RawMaximumValue = GpioUtility.ReadData();
string message = "Wieght value set. Press Finish button to complete calibration.";
successMessageShow(message);
SetMaximumButton.IsEnabled = false;
FinishButton.Focus(FocusState.Programmatic);
}
private void SetMinimumButton_Click(object sender, RoutedEventArgs e)
{
double num;
if (SetMinimumTextBox.Text == "")
{
errorMessageShow("Please enter minimum value, then press Enter button"); return;
}
if (!double.TryParse(SetMinimumTextBox.Text, out num))
{
errorMessageShow("Please enter numeric value for minimum value"); return;
}
_UserMinimumValue = Convert.ToDecimal(SetMinimumTextBox.Text); //Capture User Minimum
_RawMinimumValue = GpioUtility.ReadData();
_LoadcellOffset = 0; //set offset to zero
string message = "Minimum value set, move to step 3.";
successMessageShow(message);
SetMinimumButton.IsEnabled = false;
SetMaximumButton.IsEnabled = true;
SetMaximumTextBox.Focus(FocusState.Programmatic);
}
private void timer_Tick(object sender, object e)
{
timer.Stop();
//read scale and update ui
Int32 result = GpioUtility.ReadData();
//_calc_result = _currentProduct.Density * (((_scaleConfig.Gradient) * result) + _scaleConfig.YIntercept - _scaleConfig.offset);
//_calc_result = _calc_result - (_calc_result % _scaleSetting.MinimumDivision);
//tblWeightDisplay.Text = _calc_result.ToString("0.00"); // returns "0" when decimalVar == 0
//RadialGaugeControl.Unit = "%";
//RadialGaugeControl.Value = Convert.ToInt64((_calc_result / _currentProduct.TargetWeight) * 100);
//_prior_calc_result = _calc_result;
decimal calc_result = _currentProduct.Density * (((_scaleConfig.Gradient) * result) + _scaleConfig.YIntercept - LoadcellOffset);
calc_result = calc_result - (calc_result % (_scaleSetting.MinimumDivision / 1000)); //divide by 1000 to convert minimum division to Kgs
InsertionSort(calc_result);
position++;
if (position > 2)
{
position = 0;
_isNewIteration = true;
_calc_result = _counter_values[1];
tblWeightDisplay.Text = _calc_result.ToString("0.000"); // returns "0" when decimalVar == 0
RadialGaugeControl.Unit = "%";
RadialGaugeControl.Value = Convert.ToInt64((_calc_result / _currentProduct.TargetWeight) * 100);
}
//_counter_values[_filter_counter] = calc_result;
//_filter_counter++;
//if (_filter_counter == 3)
//{
// _filter_counter = 0;
// sortValues();
// _calc_result = _counter_values[1] ;
// tblWeightDisplay.Text = _calc_result.ToString("0.000"); // returns "0" when decimalVar == 0
// RadialGaugeControl.Unit = "%";
// RadialGaugeControl.Value = Convert.ToInt64((_calc_result / _currentProduct.TargetWeight) * 100);
//}
// _runprocess=GpioUtility.isRunButtonPressed();
if (GpioUtility.isEstopButtonPressed())
{
GpioUtility.closeNormalFeedValve(); //open normal feed valve
GpioUtility.closeDribbleFeedValve(); //open dribble feed valve
}
if (_runprocess == true || GpioUtility.isRunButtonPressed() == true)
{
GpioUtility.openNormalFeedValve(); //open normal feed valve
Thread.Sleep(1000);
_stopWatch.Start();
// GpioUtility.openDribbleFeedValve(); //open dribble feed valve
_normal_cutoff_reached = false;
_final_setpoint_reached = false;
//LoadcellOffset = _calc_result;
ZeroScale();
startProcessLocked = true;
_checkWeightProcess = true;
_runprocess = false;
// tblWeigherStatus.Text = "button press detected";
GpioUtility.openAirSupplyValve();
GpioUtility.switchOffOverweightLight();
GpioUtility.switchOffUnderweightLight();
GpioUtility.switchOffNormalweightLight();
}
if (startProcessLocked) //checked if starting is locked
{
//tblWeigherStatus.Text = "process locked";
if (_checkWeightProcess == true) //if check weight in progress
{
// tblWeigherStatus.Text = "checking weight";
if (_normal_cutoff_reached == false) //check if normal cuoff is reached
{
tblWeigherStatus.Text = "Filling to dribble point";
//display filling status
if (_calc_result >= _normal_cutoff_weight) //normal feed cutoff reached?
{
GpioUtility.openDribbleFeedValve(); //close normal feed valve
GpioUtility.closeAirSupplyValve();
_normal_cutoff_reached = true;
}
}
else if (_final_setpoint_reached == false)
{
tblWeigherStatus.Text = "Filling to final setpoint";
//display filling status
if (_calc_result >= _final_setpoint_weight)
{
GpioUtility.closeDribbleFeedValve(); //close dribble feed valve
GpioUtility.closeNormalFeedValve();
_final_setpoint_reached = true;
_stopWatch.Stop();
var elapsedMs = _stopWatch.ElapsedMilliseconds;
if (elapsedMs > 0)
{
_ActualFillTime = Convert.ToDecimal(elapsedMs / 1000);
}
else
{
_ActualFillTime = 0;
}
_stopWatch.Reset();
tblWeigherStatus.Text = "Filling Complete";
Thread.Sleep(_scaleSetting.InflightTiming);
LogFinalValues();
ResetProcess();
decimal inflight_error = _calc_result - _currentProduct.TargetWeight;
MainPage._inflight_setpoint = MainPage._inflight_setpoint + inflight_error;
_final_setpoint_weight = _currentProduct.TargetWeight - MainPage._inflight_setpoint;
}
}
}
}
timer.Start();
}