protected override bool StartTest()
{
logoStr = "";
if (supply == null || attennuator == null)
{
return(false);
}
CloseandOpenAPC(Convert.ToByte(APCMODE.IBIASOFFandIMODON));
dut.FullFunctionEnable();
dut.TxAllChannelEnable();
if (offsetOpticalPath == null)
{
string configFile = @"Config.xml";
XmlDocument document = new XmlDocument();
document.Load(configFile);
string xpath = @"/Config/Node[@Item='EquipmentOffset']/Attennuator";
XmlNodeList nodes = document.DocumentElement.SelectNodes(xpath);//such as xpath="story[author[name='Tang Chao']]"
string buf = "";
foreach (XmlNode node in nodes)
{
if (node is XmlElement)
{
buf = node.InnerText;
break;
}
return(false);
}
string[] buffer = buf.Split(',');
offsetOpticalPath = new double[buffer.Length];
for (int i = 0; i < buffer.Length; i++)
{
offsetOpticalPath[i] = Convert.ToDouble(buffer[i]);
}
}
if (dut.MoudleChannel == 1)
{
attennuator.offsetlist.Clear();
}
double sourceLight_dBm = dut.ReadDmiTxp();
if (sourceLight_dBm < -10)
{
Log.SaveLogToTxt("sourceLight_dBm is less than -10. value is " + sourceLight_dBm.ToString("f2"));
return(false);
}
sourceLight_dBm -= offsetOpticalPath[dut.MoudleChannel - 1];
attennuator.configoffset(dut.MoudleChannel.ToString(), sourceLight_dBm.ToString());
Log.SaveLogToTxt("channel: " + attennuator.CurrentChannel + ". sourceLight_dBm: " + sourceLight_dBm);
OutPutandFlushLog();
return(true);
}
