Exemple #1
0
        protected bool WriteFixedLosValue(DUT dut)
        {
            bool isWriteOk  = dut.WriteLOSDac(adjustLosStruct.LosAVoltageStartValue);
            bool isStoreOk  = dut.StoreLOSDac(adjustLosStruct.LosAVoltageStartValue);
            bool isWriteOk1 = dut.WriteLOSDDac(adjustLosStruct.LosAVoltageStartValue);
            bool isStoreOk1 = dut.StoreLOSDDac(adjustLosStruct.LosAVoltageStartValue);

            Thread.Sleep(100);
            targetLosADac = adjustLosStruct.LosAVoltageStartValue;
            targetLosDDac = adjustLosStruct.LosDVoltageStartValue;
            return(isWriteOk && isStoreOk && isWriteOk1 && isStoreOk1);
        }
Exemple #2
0
        protected bool OneSectionMethodLosDAdjust(UInt32 startValue, byte step, UInt32 uperLimit, UInt32 lowLimit, DUT dut, byte tolerenceStep, out UInt32 targetLosDac)
        {
            byte adjustCount       = 0;
            byte backUpCount       = 0;
            bool isLos             = false;
            byte tempTolerenceStep = tolerenceStep;

            tolerenceStep = Convert.ToByte(Math.Floor(Math.Log(Convert.ToDouble(tempTolerenceStep), 2)));
            byte totalExponentiationCount = Convert.ToByte(Math.Floor(Math.Log(Convert.ToDouble(step), 2)));

            do
            {
                if (startValue > uperLimit)
                {
                    startValue = uperLimit;
                }
                else if (startValue < lowLimit)
                {
                    startValue = lowLimit;
                }
                dut.WriteLOSDac(startValue);
                Thread.Sleep(500);
                dut.StoreLOSDac(algorithm.Uint16DataConvertoBytes(Convert.ToUInt16(startValue)));
                Thread.Sleep(1000);
                isLos = dut.ChkRxLos();
                Thread.Sleep(1000);
                isLos = dut.ChkRxLos();
                if ((isLos == true))
                {
                    int tempValue = (int)(startValue + (UInt32)Math.Pow(2, totalExponentiationCount - backUpCount) >= 4294967295 ? 4294967295 : startValue + (UInt32)Math.Pow(2, totalExponentiationCount - backUpCount));
                    startValue = (UInt32)tempValue;
                }
                else if ((isLos == false) && ((totalExponentiationCount - backUpCount + 1) > tolerenceStep))
                {
                    int tempValue = (int)((startValue - (UInt32)Math.Pow(2, totalExponentiationCount - backUpCount)) >= 0 ? (startValue - (UInt32)Math.Pow(2, totalExponentiationCount - backUpCount)) : 0);
                    startValue = (UInt32)tempValue;
                    backUpCount++;
                    tempValue  = (int)((startValue + (UInt32)Math.Pow(2, totalExponentiationCount - backUpCount)) >= 4294967295 ? 4294967295 : (startValue + (UInt32)Math.Pow(2, totalExponentiationCount - backUpCount)));
                    startValue = (UInt32)tempValue;
                }
                if (isLos == true || (totalExponentiationCount - backUpCount + 1) >= tolerenceStep)
                {
                    adjustCount++;
                }
            } while (adjustCount <= 30 && (isLos == true || (totalExponentiationCount - backUpCount + 1) > tolerenceStep));
            targetLosDac = startValue;
            return(isLos == false);
        }
Exemple #3
0
        protected bool OneSectionMethodLosAdjust(double startValue, byte step, double uperLimit, double lowLimit, DUT dut, out double targetLosDac)
        {
            byte adjustCount = 0;
            bool isLos       = false;
            byte totalExponentiationCount = Convert.ToByte(Math.Floor(Math.Log(Convert.ToDouble(step), 2)));

            do
            {
                if (startValue > uperLimit)
                {
                    startValue = uperLimit;
                }
                else if (startValue < lowLimit)
                {
                    startValue = lowLimit;
                }
                dut.WriteLOSDac(startValue);
                dut.StoreLOSDac(startValue);
                Thread.Sleep(100);
                isLos = dut.ChkRxLos();
                Thread.Sleep(50);
                isLos = dut.ChkRxLos();
                if ((isLos == false))
                {
                    UInt32 tempValue = (UInt32)(startValue + (UInt32)Math.Pow(2, totalExponentiationCount) >= uperLimit ? uperLimit : startValue + (UInt32)Math.Pow(2, totalExponentiationCount));
                    startValue = (UInt32)tempValue;
                }

                if (isLos == false)
                {
                    adjustCount++;
                }
            } while (adjustCount <= 30 && (isLos == false));
            targetLosDac = Convert.ToUInt32(startValue);
            return(isLos);
        }