/** * <summary> * Configures error correction data points, in particular to compensate for * a possible perturbation of the measure caused by an enclosure. * <para> * It is possible * to configure up to five correction points. Correction points must be provided * in ascending order, and be in the range of the sensor. The device will automatically * perform a linear interpolation of the error correction between specified * points. Remember to call the <c>saveToFlash()</c> method of the module if the * modification must be kept. * </para> * <para> * For more information on advanced capabilities to refine the calibration of * sensors, please contact [email protected]. * </para> * <para> * </para> * </summary> * <param name="rawValues"> * array of floating point numbers, corresponding to the raw * values returned by the sensor for the correction points. * </param> * <param name="refValues"> * array of floating point numbers, corresponding to the corrected * values for the correction points. * </param> * <returns> * <c>0</c> if the call succeeds. * </returns> * <para> * On failure, throws an exception or returns a negative error code. * </para> */ public virtual int calibrateFromPoints(double[] rawValues, double[] refValues) { if (_func == null) { throw new YoctoApiProxyException("No Sensor connected"); } return(_func.calibrateFromPoints(new List <double>(rawValues), new List <double>(refValues))); }
// This is the key function: it sets the calibration
// data in the device. Note: the parameters are written
// in the device RAM, if you want the calibration
// to be persistent, you have to call saveToflash();
private void CalibrationChange(object sender, EventArgs e)
{
List <double> ValuesRaw = new List <double>();
List <double> ValuesCal = new List <double>();
List <int> ParseRaw = new List <int>();
List <int> ParseCal = new List <int>();
int i = 0, j;
if (functionsList.SelectedIndex < 0)
{
return;
}
while ((caledit[i].Text != "") && (rawedit[i].Text != "") && (i < 5))
{
ParseRaw = YAPI._decodeFloats(rawedit[i].Text);
ParseCal = YAPI._decodeFloats(caledit[i].Text);
if (ParseRaw.Count != 1 || ParseCal.Count != 1)
{
break;
}
if (i > 0)
{
if (ParseRaw[0] / 1000.0 <= ValuesRaw[i - 1])
{
break;
}
}
ValuesRaw.Add(ParseRaw[0] / 1000.0);
ValuesCal.Add(ParseCal[0] / 1000.0);
i++;
}
// some ui cosmetics: correct values are turned to green
for (j = 0; j < i; j++)
{
caledit[j].BackColor = System.Drawing.Color.FromArgb(0xA0, 0xFF, 0xA0);
rawedit[j].BackColor = System.Drawing.Color.FromArgb(0xA0, 0xFF, 0xA0);
}
for (j = i; j < 5; j++)
{
caledit[j].BackColor = System.Drawing.SystemColors.Window;
rawedit[j].BackColor = System.Drawing.SystemColors.Window;
}
// send the calibration point to the device
YSensor fct = (YSensor)functionsList.Items[functionsList.SelectedIndex];
if (fct.isOnline())
{
fct.calibrateFromPoints(ValuesRaw, ValuesCal);
}
}