public Dictionary <string, double> BeginTest(DUT dut, Dictionary <string, IEquipment> equipments, Dictionary <string, string> inPara)
{
//get the current test channel
int channel = ConditionParaByTestPlan.Channel;
try
{
//get equipment object
Scope scope = (Scope)equipments["SCOPE"];
//change to Tx path, if have this equipment, it can not run parallel test, just to do one by one.
//due to it is the common equipment between Tx and Rx.
if (equipments.Keys.Contains("NA_OPTICALSWITCH"))
{
Log.SaveLogToTxt("It can not parallel initial, due to Tx/Rx have common equipment NA_OPTICALSWITCH.");
Log.SaveLogToTxt("have to test one by one.");
OpticalSwitch opticalSwitch = (OpticalSwitch)equipments["NA_OPTICALSWITCH"];
opticalSwitch.CheckEquipmentRole(1, (byte)channel);
}
lock (scope)
{
Log.SaveLogToTxt("Start to do TxEye test for channel " + channel);
//prepare environment
if (scope.SetMaskAlignMethod(1) && scope.SetMode(0) && scope.MaskONOFF(false) &&
scope.SetRunTilOff() && scope.RunStop(true) && scope.OpenOpticalChannel(true) &&
scope.RunStop(true) && scope.ClearDisplay() && scope.AutoScale())
{
Log.SaveLogToTxt("PrepareEnvironment OK!");
}
else
{
Log.SaveLogToTxt("PrepareEnvironment Fail!");
return(null);
}
// open apc
Log.SaveLogToTxt("Close apc for module.");
dut.CloseAndOpenAPC(Convert.ToByte(DUT.APCMODE.IBAISandIMODON));
//Algorithm.GetSpec(specParameters, "MASKMARGIN(%)", 0, out MaskSpecMax, out MaskSpecMin);
double MaskSpecMax = 255, MaskSpecMin = 0;
//TxEye test
Dictionary <string, double> outData = new Dictionary <string, double>();
bool flagMask = false;
scope.OpticalEyeTest(ref outData, 1);
if (outData["MASKMARGIN(%)"] > MaskSpecMax || outData["MASKMARGIN(%)"] < MaskSpecMin)
{
flagMask = false;
}
else
{
flagMask = true;
}
//retest
if (!flagMask)//后三次测试有一次失败就不在测试
{
for (int k = 0; k < 3; k++)
{
scope.OpticalEyeTest(ref outData);
if (outData["MASKMARGIN(%)"] > MaskSpecMax || outData["MASKMARGIN(%)"] < MaskSpecMin)
{
break;
}
}
}
//save testdata
Dictionary <string, double> dic = new Dictionary <string, double>();
foreach (string key in outData.Keys)
{
Log.SaveLogToTxt(key + " = " + outData[key].ToString("f2"));
dic.Add(key, outData[key]);
}
Log.SaveLogToTxt("End tx eye test for channel " + channel + "\r\n");
dic.Add("Result", 1);
return(dic);
}
}
catch
{
Log.SaveLogToTxt("Failed tx eye test for channel " + channel + "\r\n");
return(null);
}
}
public Dictionary <string, double> BeginTest(DUT dut, Dictionary <string, IEquipment> equipments, Dictionary <string, string> inPara)
{
try
{
//get the current test channel
int channel = ConditionParaByTestPlan.Channel;
Log.SaveLogToTxt("Start to do quick check test for channel " + channel);
//get equipment object
PowerSupply supply = (PowerSupply)equipments["POWERSUPPLY"];
Attennuator attennuator = (Attennuator)equipments["ATTENNUATOR"];
OpticalSwitch opticalSwitch = (OpticalSwitch)equipments["OPTICALSWITCH"];
PowerMeter powerMeter = (PowerMeter)equipments["POWERMETER"];
//get in parameters
string[] BiasDACs = inPara["BIASDACS"].Split(',');
string[] ModDACs = inPara["MODDACS"].Split(',');
double ratio = Convert.ToDouble(inPara["RATIO"]);
double U_Ref = Convert.ToDouble(inPara["UREF"]);
double resolution = Convert.ToDouble(inPara["RESOLUTION"]);
double R_rssi = Convert.ToDouble(inPara["RRSSI"]);
//read current of power supply
double current = supply.GetCurrent();
// close apc
Log.SaveLogToTxt("Close apc for module.");
dut.CloseAndOpenAPC(Convert.ToByte(DUT.APCMODE.IBAISandIMODOFF));
//disable attennuator and Tx to read Rx/TxDarkADC
Log.SaveLogToTxt("Shut down attennuator and disable Tx to read Tx/RxDark ADC for channel " + channel);
attennuator.OutPutSwitch(false);
ushort RxDarkADC = dut.ReadADC(DUT.NameOfADC.RXPOWERADC, channel);
dut.SetSoftTxDis();
ushort TxDarkADC = dut.ReadADC(DUT.NameOfADC.TXPOWERADC, channel);
Log.SaveLogToTxt("TxDarkADC is " + TxDarkADC);
Log.SaveLogToTxt("RxDarkADC is " + RxDarkADC);
//enable attennuator and Tx
Log.SaveLogToTxt("Power on attennuator and set value to 0");
attennuator.OutPutSwitch(true);
attennuator.SetAttnValue(0);
Log.SaveLogToTxt("Light on all Tx channel.");
dut.TxAllChannelEnable();
ConfigXmlIO myXml = new ConfigXmlIO(FilePath.ConfigXml);
//get scope/powermeter's offset
string[] offsetArray = myXml.ScopeOffset.Split(',');
double offset = Convert.ToDouble(offsetArray[channel - 1]);
//get attenator's ofset
string[] lightSourceArray = myXml.AttennuatorOffset.Split(',');
double lightSource = Convert.ToDouble(lightSourceArray[channel - 1]);
//calculate RxRes
double RxRes = dut.CalRxRes(lightSource, channel, ratio, U_Ref, resolution, R_rssi);
Log.SaveLogToTxt("Calculate RES of Rx is " + RxRes.ToString("f3"));
//set default Bias/ModDAC
Log.SaveLogToTxt("Set BiasDAC is " + BiasDACs[channel - 1]);
Log.SaveLogToTxt("Set ModDAC is " + ModDACs[channel - 1]);
dut.WriteChipDAC(DUT.NameOfChipDAC.BIASDAC, channel, BiasDACs[channel - 1]);
dut.WriteChipDAC(DUT.NameOfChipDAC.MODDAC, channel, ModDACs[channel - 1]);
//change to related change, and read Tx power
opticalSwitch.ChangeChannel(channel);
double TxP = powerMeter.ReadPower(channel) + offset;
Log.SaveLogToTxt("Get Tx power is " + TxP.ToString("f3"));
//read SN again and check its format
string dut_SN = dut.ReadSN();
if (!Algorithm.CheckSerialNumberFormat(dut_SN))
{
Log.SaveLogToTxt("Module' serial number is not correct");
return(null);
}
Log.SaveLogToTxt("Again. Read module' serial number is " + dut_SN);
//save test data to TestData class
DataRow dr = testData.NewRow();
dr["Family"] = GlobalParaByPN.Family;
dr["PartNumber"] = GlobalParaByPN.PN;
dr["SerialNumber"] = dut_SN;
dr["Channel"] = channel;
dr["Current"] = current.ToString("f3");
dr["Temp"] = ConditionParaByTestPlan.Temp;
dr["Station"] = GlobalParaByPN.Station;
dr["Time"] = DateTime.Now;
dr["TxDarkADC"] = TxDarkADC;
dr["TxPower"] = TxP.ToString("f3");
dr["RxDarkADC"] = RxDarkADC;
dr["RxRes"] = RxRes.ToString("f3");
dr["DeltaTxDarkADC"] = -99999;
dr["DeltaTxPower"] = "-99999";
dr["DeltaRxDarkADC"] = -99999;
dr["DeltaRxRes"] = "-99999";
dr["Result"] = -1;
if (GlobalParaByPN.Station == "PreModule")
{
dr["Result"] = 0;
}
else
{
Log.SaveLogToTxt("Try to get test data of pre module station to calculate delta.");
//conect to mysql database to get test recording of pre module station
string mysqlconCommand = "Database=my_databases;Data Source=localhost;User Id=root;Password=abc@123;pooling=false;CharSet=utf8;port=3306";
MySqlConnection mycon = new MySqlConnection();
mycon.ConnectionString = mysqlconCommand;
mycon.Open();
string table = "my_databases.quickcheck_testdata";
string experisson = "SELECT * FROM my_databases.quickcheck_testdata where PartNumber = '" + GlobalParaByPN.PN + "' and Serialnumber = '" +
dut_SN + "' and Channel = " + channel + " and Temp = " + ConditionParaByTestPlan.Temp + " and Station = 'PreModule' order by ID";
MySqlDataAdapter da = new MySqlDataAdapter(experisson, mycon);
MySqlCommandBuilder cb = new MySqlCommandBuilder(da);
DataSet ds = new DataSet(table);
da.Fill(ds, table);
DataTable dt = ds.Tables[table];
mycon.Close();
if (dt.Rows.Count != 0)
{
//calculate delta: post - pre
dr["DeltaTxDarkADC"] = Convert.ToInt32(dr["TxDarkADC"]) - Convert.ToInt32(dt.Rows[dt.Rows.Count - 1]["TxDarkADC"]);
dr["DeltaTxPower"] = (Convert.ToDouble(dr["TxPower"]) - Convert.ToDouble(dt.Rows[dt.Rows.Count - 1]["TxPower"])).ToString("f3");
dr["DeltaRxDarkADC"] = Convert.ToInt32(dr["RxDarkADC"]) - Convert.ToInt32(dt.Rows[dt.Rows.Count - 1]["RxDarkADC"]);
double orgRxRes = Convert.ToDouble(dt.Rows[dt.Rows.Count - 1]["RxRes"]);
//orgRxRes can't be zero
dr["DeltaRxRes"] = (orgRxRes == 0) ? "-99999" : (100.0 * (Convert.ToDouble(dr["RxRes"]) - orgRxRes) / orgRxRes).ToString("f2") + "%";
dr["Result"] = 0;
Log.SaveLogToTxt("Sucessfully get test data of pre module station.");
Log.SaveLogToTxt("DeltaTxDarkADC is " + dr["DeltaTxDarkADC"]);
Log.SaveLogToTxt("DeltaTxPower is " + dr["DeltaTxPower"]);
Log.SaveLogToTxt("DeltaRxDarkADC is " + dr["DeltaRxDarkADC"]);
Log.SaveLogToTxt("DeltaRxRes is " + dr["DeltaRxRes"]);
}
else
{
Log.SaveLogToTxt("Failed to get test data of pre module station.");
//return false;
}
}
testData.Rows.Add(dr);
dr = null;
Log.SaveLogToTxt("End quick check test for channel " + channel + "\r\n");
//save testdata
Dictionary <string, double> dic = new Dictionary <string, double>();
dic.Add("Result", 1);
return(dic);
}
catch
{
Log.SaveLogToTxt("Failed quickcheck test.");
return(null);
}
}
public Dictionary <string, double> BeginTest(DUT dut, Dictionary <string, IEquipment> equipments, Dictionary <string, string> inPara)
{
//get the current test channel
int channel = ConditionParaByTestPlan.Channel;
try
{
//get equipment object
Attennuator attennuator = (Attennuator)equipments["ATTENNUATOR"];
//change to Rx path, if have this equipment, it can not run parallel test, just to do one by one.
//due to it is the common equipment between Tx and Rx.
if (equipments.Keys.Contains("NA_OPTICALSWITCH"))
{
Log.SaveLogToTxt("It can not parallel initial, due to Tx/Rx have common equipment NA_OPTICALSWITCH.");
Log.SaveLogToTxt("have to test one by one.");
OpticalSwitch opticalSwitch = (OpticalSwitch)equipments["NA_OPTICALSWITCH"];
opticalSwitch.CheckEquipmentRole(2, (byte)channel);
}
lock (attennuator)
{
Log.SaveLogToTxt("Start to do RxLos test");
//get input parameters
double step = Convert.ToDouble(inPara["LOSADTUNESTEP"]); //调整步长: 0.3
bool isDetailedTest = Convert.ToBoolean(inPara["ISLOSDETAIL"]); //是否测具体值?: true
// open apc
Log.SaveLogToTxt("Close apc for module.");
dut.CloseAndOpenAPC(Convert.ToByte(DUT.APCMODE.IBAISandIMODON));
//get spec
double LosDMax = -14, LosAMin = -30;
double startAttValue = -6;
attennuator.AttnValue(startAttValue.ToString());
dut.ChkRxLos(channel);//清理Luanch
//test losA
double losA = 0, losD = 0;
bool isLosA = false, isLosD = true;
int i = 0;
if (isDetailedTest)
{
//detailed test
startAttValue = LosDMax;
int count = Convert.ToInt16((LosDMax + 1 - LosAMin) / step);
do
{
attennuator.AttnValue(startAttValue.ToString());
isLosA = dut.ChkRxLos(channel);
Thread.Sleep(100);
isLosA = dut.ChkRxLos(channel);
if (isLosA == false)
{
startAttValue -= step;
i++;
}
losA = startAttValue;
} while (isLosA == false && startAttValue >= LosAMin && i < count);
}
else
{
//quickly test
startAttValue = LosAMin;
attennuator.AttnValue(startAttValue.ToString(), 1);
Thread.Sleep(300);
isLosA = dut.ChkRxLos(channel);
losA = startAttValue;
}
if (isLosA == false)
{
Log.SaveLogToTxt("failed to assert los");
}
else
{
Log.SaveLogToTxt("successful to assert los");
}
Log.SaveLogToTxt("LosA = " + losA);
//test losD
if (isDetailedTest)
{
//detailed test
startAttValue = losA;
i = 0;
do
{
attennuator.AttnValue(startAttValue.ToString());
isLosD = dut.ChkRxLos(channel);
Thread.Sleep(100);
isLosD = dut.ChkRxLos(channel);
if (isLosD == true)
{
startAttValue += step;
i++;
}
losD = startAttValue;
} while (isLosD == true && startAttValue <= LosDMax && i < 30);
}
else
{
//quickly test
startAttValue = LosDMax;
attennuator.AttnValue(startAttValue.ToString(), 1);
Thread.Sleep(50);
isLosD = dut.ChkRxLos(channel);
losD = startAttValue;
}
if (isLosD == true)
{
Log.SaveLogToTxt("failed to deassert los");
}
else
{
Log.SaveLogToTxt("successful to deassert los");
}
//calculate losH
double losH = losD - losA;
Log.SaveLogToTxt("LosA = " + losA);
Log.SaveLogToTxt("LosD = " + losD);
Log.SaveLogToTxt("LosH = " + losH.ToString("f3"));
Log.SaveLogToTxt("End rxlos test for channel " + channel + "\r\n");
//get erList
ArrayList erList = Algorithm.StringtoArraylistDeletePunctuations(GlobalParaByPN.OpticalSourceERArray, new char[] { ',' });
double losA_OMA = Algorithm.CalculateOMA(losA, Convert.ToDouble(erList[channel - 1]));
double losD_OMA = Algorithm.CalculateOMA(losD, Convert.ToDouble(erList[channel - 1]));
//save testdata
Dictionary <string, double> dictionary = new Dictionary <string, double>();
dictionary.Add("LosA", losA);
dictionary.Add("LosD", losD);
dictionary.Add("LosH", losH);
dictionary.Add("LosA_OMA", losA);
dictionary.Add("LosD_OMA", losD);
dictionary.Add("Result", 1);
return(dictionary);
}
}
catch
{
Log.SaveLogToTxt("Failed rxlos test for channel " + channel + "\r\n");
return(null);
}
}
public Dictionary <string, double> BeginTest(DUT dut, Dictionary <string, IEquipment> equipments, Dictionary <string, string> inPara)
{
//get the current test channel
int channel = ConditionParaByTestPlan.Channel;
try
{
//get equipment object
Scope scope = (Scope)equipments["SCOPE"];
//change to Tx path, if have this equipment, it can not run parallel test, just to do one by one.
//due to it is the common equipment between Tx and Rx.
if (equipments.Keys.Contains("NA_OPTICALSWITCH"))
{
Log.SaveLogToTxt("It can not parallel initial, due to Tx/Rx have common equipment NA_OPTICALSWITCH.");
Log.SaveLogToTxt("have to test one by one.");
OpticalSwitch opticalSwitch = (OpticalSwitch)equipments["NA_OPTICALSWITCH"];
opticalSwitch.CheckEquipmentRole(1, (byte)channel);
}
lock (scope)
{
Log.SaveLogToTxt("Start to do TxPowerDmi test for channel " + channel);
//prepare environment
if (scope.SetMaskAlignMethod(1) &&
scope.SetMode(0) &&
scope.MaskONOFF(false) &&
scope.SetRunTilOff() &&
scope.RunStop(true) &&
scope.OpenOpticalChannel(true) &&
scope.RunStop(true) &&
scope.ClearDisplay() &&
scope.AutoScale(1)
)
{
Log.SaveLogToTxt("PrepareEnvironment OK!");
}
else
{
Log.SaveLogToTxt("PrepareEnvironment Fail!");
return(null);
}
//test dmi
Log.SaveLogToTxt("Read DCA TxPower");
double txDCAPowerDmi = scope.GetAveragePowerdBm();
Log.SaveLogToTxt("txDCAPowerDmi = " + txDCAPowerDmi.ToString("f2"));
Log.SaveLogToTxt("Read DUT Txpower");
double txPowerDmi = dut.ReadDmiTxP(channel);
Log.SaveLogToTxt("txPowerDmi = " + txPowerDmi.ToString("f2"));
double txDmiPowerErr = txPowerDmi - txDCAPowerDmi;
Log.SaveLogToTxt("txDmiPowerErr = " + txDmiPowerErr.ToString("f2"));
//save testdata
Dictionary <string, double> dictionary = new Dictionary <string, double>();
dictionary.Add("DmiTxPowerErr", txDmiPowerErr);
//test disable power
//have to lock this object, due to it can't run parallel test with TestIBiasDmi
//as this will disable TxPower, ibiasDmi will be defected.
lock (dut)
{
dut.SetSoftTxDis();
scope.ClearDisplay();
double txDisablePower = scope.GetAveragePowerdBm();
Log.SaveLogToTxt("txDisablePower = " + txDisablePower.ToString());
dictionary.Add("TxDisablePower", txDisablePower);
Thread.Sleep(200);
if (!dut.TxAllChannelEnable())
{
scope.ClearDisplay();
Thread.Sleep(200);
return(null);
}
}
scope.ClearDisplay();
Thread.Sleep(200);
Log.SaveLogToTxt("End TxPowerDmi test " + channel + "\r\n");
dictionary.Add("Result", 1);
return(dictionary);
}
}
catch
{
Log.SaveLogToTxt("Failed TxPowerDmi test for channel " + channel + "\r\n");
return(null);
}
}
public Dictionary <string, double> BeginTest(DUT dut, Dictionary <string, IEquipment> equipments, Dictionary <string, string> inPara)
{
//get the current test channel
int channel = ConditionParaByTestPlan.Channel;
try
{
//get equipment object
Attennuator attennuator = (Attennuator)equipments["ATTENNUATOR"];
ErrorDetector ed = (ErrorDetector)equipments["ERRORDETECTOR"];
//change to Rx path, if have this equipment, it can not run parallel test, just to do one by one.
//due to it is the common equipment between Tx and Rx.
if (equipments.Keys.Contains("NA_OPTICALSWITCH"))
{
Log.SaveLogToTxt("It can not parallel initial, due to Tx/Rx have common equipment NA_OPTICALSWITCH.");
Log.SaveLogToTxt("have to test one by one.");
OpticalSwitch opticalSwitch = (OpticalSwitch)equipments["NA_OPTICALSWITCH"];
opticalSwitch.CheckEquipmentRole(2, (byte)channel);
}
lock (attennuator)
{
Log.SaveLogToTxt("Start to do sensitivity test");
//get input parameters
ArrayList erList = Algorithm.StringtoArraylistDeletePunctuations(GlobalParaByPN.OpticalSourceERArray, new char[] { ',' });
double senAlignRxPwr = Convert.ToDouble(inPara["CSENALIGNRXPWR(DBM)"]); //自动对齐时的入射光: -7
double senStartingRxPwr = Convert.ToDouble(inPara["CSENSTARTINGRXPWR(DBM)"]); //目标点搜索起始点,开始灵敏度测试时设定接收端光功率: -13
double searchTargetBerUL = Convert.ToDouble(inPara["SEARCHTARGETBERUL"]); //第一点误码率的上限: 0.00001
double searchTargetBerLL = Convert.ToDouble(inPara["SEARCHTARGETBERLL"]); //第一点误码率的下限: 0.00000001
double searchTargetBerRxpowerUL = Convert.ToDouble(inPara["SEARCHTARGETRXPOWERUL"]); //寻找误码率点的光功率下限: -15
double searchTargetBerRxpowerLL = Convert.ToDouble(inPara["SEARCHTARGETRXPOWERLL"]); //寻找误码率点的光功率上限: -10
double coefCsenSubStep = Convert.ToDouble(inPara["COEFCSENSUBSTEP(DBM)"]); //推算灵敏度找误码点时减小光功率的步长: 0.3
double coefCsenAddStep = Convert.ToDouble(inPara["COEFCSENADDSTEP(DBM)"]); //推算灵敏度找误码点时增大光功率的步长: 0.5
bool isBerQuickTest = inPara["ISBERQUICKTEST"].Trim().ToUpper() == "FALSE" ? false : true; //快速测试还是具体值?
bool isOpticalSourceUnitOMA = inPara["ISOPTICALSOURCEUNITOMA"].Trim().ToUpper() == "FALSE" ? false : true; //光源是否是OMA输入: false
double searchTargetBerStep = Convert.ToDouble(inPara["SEARCHTARGETSTEP"]); //搜寻目标值步长: 0.5
byte searchTargetBerMethod = Convert.ToByte(inPara["SEARCHTARGETBERMETHOD"]); //搜寻第一点的方法0=二分法,1=Step: 0
double ber_ERP = Convert.ToDouble(inPara["BER_ERP"]); //目标误码率: 1E-12
//change unit from OMA to dBm
if (isOpticalSourceUnitOMA)
{
senAlignRxPwr = Algorithm.CalculateFromOMAtoDBM(senAlignRxPwr, Convert.ToDouble(erList[channel - 1]));
senStartingRxPwr = Algorithm.CalculateFromOMAtoDBM(senStartingRxPwr, Convert.ToDouble(erList[channel - 1]));
searchTargetBerRxpowerUL = Algorithm.CalculateFromOMAtoDBM(searchTargetBerRxpowerUL, Convert.ToDouble(erList[channel - 1]));
searchTargetBerRxpowerLL = Algorithm.CalculateFromOMAtoDBM(searchTargetBerRxpowerLL, Convert.ToDouble(erList[channel - 1]));
}
// open apc
Log.SaveLogToTxt("Close apc for module.");
dut.CloseAndOpenAPC(Convert.ToByte(DUT.APCMODE.IBAISandIMODON));
//auto align
Log.SaveLogToTxt("Set atten value.");
attennuator.AttnValue(senAlignRxPwr.ToString());
Log.SaveLogToTxt("Auto alaign...");
if (!ed.AutoAlign(true))
{
Log.SaveLogToTxt("Auto align failed");
return(null);
}
Log.SaveLogToTxt("Auto align successfully");
//search the points to calulate sensitivity
double sensitivity = Algorithm.MyNaN;
double currentBer;
if (isBerQuickTest == true)
{
//QuickTest(attennuator, ed);
//quickly search, direct to test sensitivity, not to search points
attennuator.AttnValue(senStartingRxPwr.ToString());
currentBer = ed.RapidErrorRate();
Log.SaveLogToTxt("SetAtten=" + senStartingRxPwr.ToString());
Log.SaveLogToTxt("QUICBER=" + currentBer.ToString());
if (currentBer >= 1)
{
sensitivity = 1;
return(null);
}
if (currentBer <= ber_ERP)
{
sensitivity = senStartingRxPwr;
}
else
{
sensitivity = currentBer;
Log.SaveLogToTxt("AttPoint=" + senStartingRxPwr.ToString() + ber_ERP.ToString());
}
//calculate the OMA sensitivity
double sensitivity_OMA = Algorithm.CalculateOMA(sensitivity, Convert.ToDouble(erList[channel - 1]));
//save testdata
Dictionary <string, double> dictionary = new Dictionary <string, double>();
dictionary.Add("Sensitivity", sensitivity);
dictionary.Add("Sensitivity_OMA", sensitivity_OMA);
dictionary.Add("Result", 1);
return(dictionary);
}
//detailed search points
ArrayList serchAttPoints = new ArrayList();
ArrayList serchRxDmiPoints = new ArrayList();
ArrayList serchBerPoints = new ArrayList();
byte count = 0;
double currentInputPower = senStartingRxPwr;
//first: search the first point
double firstPoint = 0;
switch (searchTargetBerMethod)
{
case 1:
//attPoint = StepSearchTargetPoint(csenStartingRxPwr, searchTargetBerRxpowerLL, searchTargetBerRxpowerUL, testBerStruct.SearchTargetBerLL, testBerStruct.SearchTargetBerUL, tempAtten, tempED, out serchAttPoints, out serchRxDmidPoints, out serchBerPoints);
//search the first point by step
while (currentInputPower <= searchTargetBerRxpowerUL && currentInputPower >= searchTargetBerRxpowerLL && count <= 20)
{
attennuator.AttnValue(currentInputPower.ToString());
double rxDmiPower = dut.ReadDmiRxP(channel);
currentBer = ed.RapidErrorRate();
serchAttPoints.Add(senStartingRxPwr);
serchRxDmiPoints.Add(rxDmiPower);
serchBerPoints.Add(currentBer);
if (currentBer < searchTargetBerLL) // 误码太小->光太大->减小光
{
currentInputPower -= searchTargetBerStep;
count++;
}
else if (currentBer > searchTargetBerUL) // 误码太大->光太小->加大入射光
{
currentInputPower += searchTargetBerStep;
count++;
}
else
{
firstPoint = currentInputPower;
break;
}
}
break;
default:
//attPoint = binarySearchTargetPoint(testBerStruct.CsenStartingRxPwr, testBerStruct.SearchTargetBerRxpowerLL, testBerStruct.SearchTargetBerRxpowerUL, testBerStruct.SearchTargetBerLL, testBerStruct.SearchTargetBerUL, tempAtten, tempED, out serchAttPoints, out serchRxDmidPoints, out serchBerPoints);
//search the first point by binary search
double low = searchTargetBerRxpowerLL;
double high = searchTargetBerRxpowerUL;
attennuator.AttnValue(((high + low) / 2).ToString(), 1);
currentBer = ed.RapidErrorRate();
while (low <= high && count <= 20)
{
if (Math.Abs(low - high) < 0.2)
{
break;
}
double mid = (high + low) / 2;
attennuator.AttnValue(mid.ToString(), 1);
double rxDmiPower = dut.ReadDmiRxP(channel);
currentBer = ed.RapidErrorRate();
serchAttPoints.Add(mid);
serchRxDmiPoints.Add(rxDmiPower);
serchBerPoints.Add(currentBer);
if (currentBer < searchTargetBerLL)
{
high = mid;
count++;
}
else if (currentBer > searchTargetBerUL)
{
low = mid;
count++;
}
else
{
firstPoint = mid;
break;
}
}
break;
}//completed to search the first point
//second: search other points
//define BER of the final point
double terminativeBer = 0;
if (ber_ERP < searchTargetBerLL)
{
if (ber_ERP > 1E-12)//如果是大于E-12 ,并且比第一点的下限要小 ,那么就以目标值为下限
{
terminativeBer = ber_ERP;
}
else////如果是小于E-12 ,并且比第一点的下限要小 ,那么就以-为11下限
{
terminativeBer = 1E-11;
}
// terminativeBer = targetBer * 100;
}
else if (ber_ERP > searchTargetBerUL)
{
// terminativeBer = targetBer * 1E-1;
terminativeBer = ber_ERP;
}
attennuator.AttnValue(firstPoint.ToString(), 0);
Thread.Sleep(1500);
double point = firstPoint;
int i = 0;
bool done = false;
ArrayList points = new ArrayList();
ArrayList ber = new ArrayList();
do
{
attennuator.AttnValue(point.ToString(), 0);
Thread.Sleep(1000);
double rxDmiPower = dut.ReadDmiRxP(channel);
currentBer = ed.RapidErrorRate();
Log.SaveLogToTxt("RxInputPower=" + point);
Log.SaveLogToTxt("RxDmiPower=" + rxDmiPower.ToString("f2"));
Log.SaveLogToTxt("CurrentBer=" + currentBer.ToString());
if (ber_ERP < searchTargetBerLL)
{
done = currentBer > terminativeBer;
}
else if (ber_ERP > searchTargetBerUL)
{
done = currentBer < terminativeBer;
}
if (done == true && currentBer != 0)
{
points.Add(point);
ber.Add(currentBer);
}
if (currentBer > ber_ERP)
{
point += coefCsenAddStep;
}
else
{
point -= coefCsenSubStep;
}
i++;
} while (i < 8 && done);//completed to search points
//calculate the sensitivity
byte minCount = (byte)Math.Min(points.Count, ber.Count);
double[] pointsArray = new double[minCount];
double[] berArray = new double[minCount];
for (int j = 0; j < minCount; j++)
{
pointsArray[j] = double.Parse(points[j].ToString());
berArray[j] = double.Parse(ber[j].ToString());
Log.SaveLogToTxt("attPoints[ " + j + "] " + points[j].ToString() + " " + "berPoints[ " + j + "] " + ber[j].ToString());
}
double slope, intercept;
Algorithm.LinearRegression(Algorithm.Getlog10(Algorithm.GetNegative(Algorithm.Getlog10(berArray))), pointsArray, out slope, out intercept);
sensitivity = slope + (intercept * Math.Log10(Math.Log10(ber_ERP) * (-1)));
if (double.IsNaN(sensitivity) || double.IsInfinity(sensitivity))
{
sensitivity = Algorithm.MyNaN;
}
sensitivity = Math.Round(sensitivity, 2);
Log.SaveLogToTxt("sensitivity = " + sensitivity.ToString());
//calculate the OMA sensitivity
double sensOMA = Algorithm.CalculateOMA(sensitivity, Convert.ToDouble(erList[channel - 1]));
Log.SaveLogToTxt("OMA sensitivity = " + sensOMA.ToString("f2"));
Log.SaveLogToTxt("End sensitivity test for channel " + channel + "\r\n");
//save testdata
Dictionary <string, double> dic = new Dictionary <string, double>();
dic.Add("Sensitivity", sensitivity);
dic.Add("Sensitivity_OMA", sensOMA);
dic.Add("Result", 1);
return(dic);
}
}
catch
{
Log.SaveLogToTxt("Failed sensitivity test for channel " + channel + "\r\n");
return(null);
}
}
public Dictionary <string, double> BeginTest(DUT dut, Dictionary <string, IEquipment> equipments, Dictionary <string, string> inPara)
{
//get the current test channel
int channel = ConditionParaByTestPlan.Channel;
try
{
//get equipment object
Attennuator attennuator = (Attennuator)equipments["ATTENNUATOR"];
//change to Rx path, if have this equipment, it can not run parallel test, just to do one by one.
//due to it is the common equipment between Tx and Rx.
if (equipments.Keys.Contains("NA_OPTICALSWITCH"))
{
Log.SaveLogToTxt("It can not parallel initial, due to Tx/Rx have common equipment NA_OPTICALSWITCH.");
Log.SaveLogToTxt("have to test one by one.");
OpticalSwitch opticalSwitch = (OpticalSwitch)equipments["NA_OPTICALSWITCH"];
opticalSwitch.CheckEquipmentRole(2, (byte)channel);
}
lock (attennuator)
{
Log.SaveLogToTxt("Start to do RxPowerDmi test for channel " + channel);
//get input para
ArrayList rxInputPower = Algorithm.StringtoArraylistDeletePunctuations(inPara["RXPOWERARRLIST(DBM)"], new char[] { ',' });
if (rxInputPower == null)
{
return(null);
}
//set different point to get rxPowerDmi
attennuator.AttnValue(rxInputPower[0].ToString(), 1);
Thread.Sleep(3000);
double[] rxPowerDmiArray = new double[rxInputPower.Count];
double[] rxPowerErrArray = new double[rxInputPower.Count];
double[] rxPowerErrRawArray = new double[rxInputPower.Count];
for (byte i = 0; i < rxInputPower.Count; i++)
{
attennuator.AttnValue(rxInputPower[i].ToString(), 1);
rxPowerDmiArray[i] = dut.ReadDmiRxP(channel);
rxPowerErrArray[i] = Math.Abs(Convert.ToDouble(rxInputPower[i].ToString()) - rxPowerDmiArray[i]);
rxPowerErrRawArray[i] = Convert.ToDouble(rxInputPower[i].ToString()) - rxPowerDmiArray[i];
Log.SaveLogToTxt("rxInputPower[" + i.ToString() + "]: " + rxInputPower[i].ToString() + " rxPowerDmiArray[" + i.ToString("f3") + "]: " + rxPowerDmiArray[i].ToString() + " rxPowerErrArray[" + i.ToString() + "]: " + rxPowerErrArray[i].ToString("f3"));
}
//calculate delta and get the max
byte maxIndex;
Algorithm.SelectMaxValue(ArrayList.Adapter(rxPowerErrArray), out maxIndex);
double maxErr = rxPowerErrRawArray[maxIndex];
double errMaxPoint = Convert.ToDouble(rxInputPower[maxIndex].ToString());
Log.SaveLogToTxt("ErrMaxPoint = " + errMaxPoint.ToString() + " MaxErr = " + maxErr.ToString("f3"));
//get rxPowerDmi without any input optical power
attennuator.OutPutSwitch(false);
Thread.Sleep(2000);
double rxNopticalPoint = dut.ReadDmiRxP(channel);
Log.SaveLogToTxt("RxNopticalPoint=" + rxNopticalPoint.ToString());
attennuator.OutPutSwitch(true);
Log.SaveLogToTxt("End RxPowerDmi test for channel " + channel + "\r\n");
//save testdata
Dictionary <string, double> dictionary = new Dictionary <string, double>();
dictionary.Add("DmiRxPWRErr", maxErr);
dictionary.Add("DmiRxNOptical", rxNopticalPoint);
dictionary.Add("Result", 1);
return(dictionary);
}
}
catch
{
Log.SaveLogToTxt("Failed DMI_ICC test for channel " + channel + "\r\n");
return(null);
}
}