private bool SetTargetPower(double TargerPower)
{
// double[] PowerArray = new double[] { -30, -43, -41, -40.2 };
double TempValue;
double StartPower;
pAtt.SetAttnValue(0, 1);
StartPower = pPowerMeter.ReadPower();
pAtt.SetAttnValue((StartPower - TargerPower), 1);
double AttStep = 0;
TempValue = pPowerMeter.ReadPower();
int i = 0;
while (Math.Abs(TargerPower - TempValue) > 0.5)
{
if (TempValue - TargerPower > 1)
{
AttStep = 1;
}
else if (TempValue - TargerPower < -1)
{
AttStep = -1;
}
else if (TempValue - TargerPower > 0.2)
{
AttStep = 0.2;
}
else if (TempValue - TargerPower < -0.2)
{
AttStep = -0.2;
}
pAtt.AdjustAttnValue(AttStep, 1);
TempValue = pPowerMeter.ReadPower();
//----------------
// TempValue = PowerArray[i];
//----------------
i++;
if (i > 20)
{
return(false);
}
}
return(true);
}
protected override bool StartTest()
{
RxPowerArray.Clear();
BerArrayRX.Clear();
TxPowerArray.Clear();
BerArrayTX.Clear();
logoStr = "";
if (AnalysisInputParameters(inputParameters) == false)
{
OutPutandFlushLog();
return(false);
}
if (tempED != null && tempAttenRX != null && tempAttenTX != null && tempPowerMeter != null && tempps != null)
{
if (!CloseandOpenAPC(Convert.ToByte(APCMODE.IBAISandIMODON)))
{
return(false); //开启APC
}
if (!tempPPG.ConfigurePrbsLength(Convert.ToByte(testTxReturnLostToleranceStruct.ReturnLosTolerancePRBS)))
{
return(false); //Bert码型为PRBS31
}
//if (!SetTargetPower(testTxReturnLostToleranceStruct.TargetPower)) return false; //调节反射器处的衰减器，使光功率计值降TargetPower以下
tempAttenTX.OutPutSwitch(false);
Log.SaveLogToTxt("Step2...SetAttenValue");
tempAttenRX.AttnValue(testTxReturnLostToleranceStruct.CsenAlignRxPwr.ToString());
Log.SaveLogToTxt("Step3...AutoAlaign");
bool isAutoAlaign = tempED.AutoAlaign(true);
if (isAutoAlaign)
{
Log.SaveLogToTxt(isAutoAlaign.ToString());
Log.SaveLogToTxt("Step4...TestTxReturnLostTolerance");
double ber = -1;
int i = 0;
double RxPower = 0;
int LoopCount = 0;
double countMol = testTxReturnLostToleranceStruct.LoopTime % testTxReturnLostToleranceStruct.GatingTime;
if (countMol == 0)
{
LoopCount = Convert.ToInt32(testTxReturnLostToleranceStruct.LoopTime / testTxReturnLostToleranceStruct.GatingTime);
}
else
{
LoopCount = Convert.ToInt32((testTxReturnLostToleranceStruct.LoopTime - countMol) / testTxReturnLostToleranceStruct.GatingTime) + 1;
}
do
{
RxPower = testTxReturnLostToleranceStruct.StartRxPwr + testTxReturnLostToleranceStruct.RXAttStep * i;
tempAttenRX.AttnValue(RxPower.ToString());
RxPowerArray.Add(RxPower);
Log.SaveLogToTxt("SetAttenRX=" + RxPower.ToString());
tempED.EdGatingStart(); //刷新误码数
for (int j = 0; j < LoopCount; j++)
{
Thread.Sleep(Convert.ToInt32(testTxReturnLostToleranceStruct.GatingTime * 1000));
ber = tempED.QureyEdErrorRatio();
Log.SaveLogToTxt("BerRX=" + ber.ToString());
if (ber != 0)
{
BerArrayRX.Add(ber);
break;
}
else
{
if (j == LoopCount - 1)
{
BerArrayRX.Add(ber);
}
}
}
i++;
}while (ber != 0);
if (ber == 0)
{
NoneBerPoint = RxPower;
//tempAttenRX.AttnValue(NoneBerPoint.ToString());
Log.SaveLogToTxt("NoneBerPoint= " + NoneBerPoint.ToString());
}
//tempED.EdGatingStart(); //刷新误码数
double value = 11.5;
do
{
StartTxPwr = dut.ReadDmiTxp() - value;
if (!this.SetTargetPower(StartTxPwr))
{
return(false);
}
tempED.EdGatingStart(); //刷新误码数
for (int j = 0; j < LoopCount; j++)
{
Thread.Sleep(Convert.ToInt32(testTxReturnLostToleranceStruct.GatingTime * 1000));
ber = tempED.QureyEdErrorRatio();
Log.SaveLogToTxt("BerRX=" + ber.ToString());
if (ber != 0)
{
break;
}
}
if (ber == 0)
{
TxReturnLosTolerance = tempPowerMeter.ReadPower();
Log.SaveLogToTxt("TxReturnLosTolerance= " + TxReturnLosTolerance.ToString());
break;
}
//tempAttenTX.SetAttnValue(40);
value += 0.5;
} while (value < 13);
TxReturnLosTolerance = value;
OutPutandFlushLog();
return(true);
}
else
{
Log.SaveLogToTxt(isAutoAlaign.ToString());
TxReturnLosTolerance = -1000;
OutPutandFlushLog();
return(isAutoAlaign);
}
}
else
{
Log.SaveLogToTxt("Equipments are not enough!");
//AnalysisOutputProcData(procData);
AnalysisOutputParameters(outputParameters);
return(false);
}
}
