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@@ -25,7 +25,7 @@ namespace OTSMeasureApp._1_OTSMeasure.Measure._3_MeasureFlow
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protected CMeasure m_pMsrThread;
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- double curbrightness = 0, curcontrast = 0;
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+ private bool brightnessContrastAdjustRuning = false;
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protected ISemController m_SemHardwareMgr;
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protected IScanController m_ScanHardwareMgr;
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@@ -180,6 +180,10 @@ namespace OTSMeasureApp._1_OTSMeasure.Measure._3_MeasureFlow
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return true;
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}
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+ public void StopBrightnessContrastAdjust()
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+ {
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+ brightnessContrastAdjustRuning = false;
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+ }
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public void DoBrightnessContrastAdjust()
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{
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using (AutoResetSEMControl autoReset = new AutoResetSEMControl(this))
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@@ -253,31 +257,35 @@ namespace OTSMeasureApp._1_OTSMeasure.Measure._3_MeasureFlow
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var desirebright = m_BrightnessContrastRegulateParam.brightphaseGrayvalue;
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SortedDictionary<double, SEMStateObject> BCstatedic =new SortedDictionary<double, SEMStateObject>();
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-
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- while (Math.Abs( dark-desiredark)>3 || Math.Abs(bright-desirebright)>3)
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+ brightnessContrastAdjustRuning = true;
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+ bool finishcondition = Math.Abs(dark - desiredark) < 1 && Math.Abs(bright - desirebright) < 1;
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+ while (!finishcondition)
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{
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-
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- double curbrightness = 0, curcontrast = 0;
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-
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-
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+ //regulate
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+ double curbrightness = 0, curcontrast = 0;
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+ m_SemHardwareMgr.GetSemBrightness(ref curbrightness);
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+ m_SemHardwareMgr.GetSemContrast(ref curcontrast);
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+ RegulateBrightnessAndContrast(bright, desirebright, dark, desiredark,ref curbrightness,ref curcontrast);
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+ Thread.Sleep(200);
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+
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+ //record the state
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var error1 = desirebright - bright;
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var error2 = desiredark - dark;
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var varerror = Math.Pow(error1, 2) + Math.Pow(error2, 2);
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SEMStateObject BcsemState = new SEMStateObject();
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- m_SemHardwareMgr.GetSemBrightness(ref curbrightness);
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- m_SemHardwareMgr.GetSemContrast(ref curcontrast);
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+
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BcsemState.brightness = curbrightness;
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BcsemState.contrast = curcontrast;
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if(!BCstatedic.ContainsKey(varerror))
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{
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BCstatedic.Add(varerror, BcsemState);
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- }
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- if((DateTime.Now-starttime).TotalSeconds>30)
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+ }
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+ //time out check
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+ if ((DateTime.Now-starttime).TotalSeconds>100)
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{
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log.Warn("Auto BC time out, stop the auto BC!");
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-
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if (BCstatedic.Count > 0)
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{
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var minerror = BCstatedic.Keys.Min();
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@@ -286,15 +294,21 @@ namespace OTSMeasureApp._1_OTSMeasure.Measure._3_MeasureFlow
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m_SemHardwareMgr.SetSemContrast(minstate.contrast);
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log.Warn("Auto BC set brightness and contrast to:" + minstate.brightness + " " + minstate.contrast);
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}
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- return;
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+ break;
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+ }
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+ // external stop check
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+ if (brightnessContrastAdjustRuning==false)
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+ {
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+ log.Warn("stop the auto BC!");
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+
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+ break;
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}
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- RegulateBrightnessAndContrast(bright, desirebright, dark, desiredark,curbrightness,curcontrast);
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- log.Info("two gray:" + bright.ToString() +" "+ dark.ToString());
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- Thread.Sleep(500);
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- // take BSE image for the fields
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- pBSEIamge = m_ScanHardwareMgr.AcquireBSEImage();
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+
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+
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+ // check bse image
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+ pBSEIamge = m_ScanHardwareMgr.AcquireBSEImage();
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if (pBSEIamge == null)
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{
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@@ -302,8 +316,10 @@ namespace OTSMeasureApp._1_OTSMeasure.Measure._3_MeasureFlow
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return;
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}
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ProcessBSEImageToGetTheTwoGrayValue(pBSEIamge, ref bright, ref dark);
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-
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- }
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+ log.Info("two gray:" + bright.ToString() + " " + dark.ToString());
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+ finishcondition = Math.Abs(dark - desiredark) < 1 && Math.Abs(bright - desirebright) < 1;
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+ }
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+
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m_SemHardwareMgr.GetSemContrast(ref m_BrightnessContrastRegulateParam.initialContrast);
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m_SemHardwareMgr.GetSemBrightness(ref m_BrightnessContrastRegulateParam.initialBrightness);
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log.Warn("Auto BC done!");
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@@ -337,23 +353,24 @@ namespace OTSMeasureApp._1_OTSMeasure.Measure._3_MeasureFlow
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m_SemHardwareMgr.SetSemContrast(contrast);
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m_SemHardwareMgr.SetSemBrightness(bright);
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}
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- void RegulateBrightnessAndContrast(double bri, double desirebri, double dark, double desiredark,double curbrightness,double curcontrast)
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+ void RegulateBrightnessAndContrast(double bri, double desirebri, double dark, double desiredark,ref double curbrightness,ref double curcontrast)
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{
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- var adjustScope =6;//the scope that sem brightness and contrast can be adjusted
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+ var adjustScope =3;//the scope that sem brightness and contrast can be adjusted
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var error1 = desirebri - bri;
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var error2 = desiredark - dark;
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var error = error1 + error2;
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double brightness = curbrightness + (error/255)* adjustScope;
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+ double contrast=0;
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if (bri - dark > 10)
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{
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double expectcontrast = (desirebri - desiredark) / desirebri;
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double currentcontrast = (bri - dark) / bri;
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double gain = (expectcontrast - currentcontrast) / expectcontrast * adjustScope;
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- double contrast = curcontrast + gain;
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+ contrast = curcontrast + gain;
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m_SemHardwareMgr.SetSemContrast(contrast);
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}
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@@ -362,18 +379,20 @@ namespace OTSMeasureApp._1_OTSMeasure.Measure._3_MeasureFlow
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var everagegray=(bri+dark) / 2;
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if (everagegray >= 125)
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{
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- double contrast = curcontrast - 0.5;
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+ contrast = curcontrast - 0.5;
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m_SemHardwareMgr.SetSemContrast(contrast);
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}
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else
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{
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- double contrast = curcontrast + 0.5;
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+ contrast = curcontrast + 0.5;
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m_SemHardwareMgr.SetSemContrast(contrast);
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}
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}
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m_SemHardwareMgr.SetSemBrightness(brightness);
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+ curcontrast = contrast;
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+ curbrightness = brightness;
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}
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bool InitAcquireBSEParam()
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zhangjiaxin