public ScpiIOResult Open(string visaAddress, bool exclusiveLock)
{
if (instrument != Visa.VI_NULL)
{
throw new Exception("IO is already open");
}
var res2 = Visa.viOpenDefaultRM(out rm);
if (res2 < 0)
{
return(MakeError(res2));
}
var res = Visa.viOpen(ScpiInstrument.GetResourceManager(), visaAddress, exclusiveLock ? Visa.VI_EXCLUSIVE_LOCK : Visa.VI_NO_LOCK, IOTimeoutMS, out instrument);
// Use sensible defaults
sendEnd = true;
useTermChar = false;
if (res >= 0)
{
SyncSettings();
}
else
{
instrument = Visa.VI_NULL;
}
return(MakeError(res));
}
/// <summary>
/// 仪表识别
/// </summary>
/// <param name="inInstrumentAddress">仪表地址</param>
/// <param name="outConnected"> 是否连接</param>
/// <returns></returns>
public string TryIdentifyInstrument(string inInstrumentAddress, out bool outConnected)
{
outConnected = true;
try
{
ScpiInstrument tmpInstr = new ScpiInstrument(inInstrumentAddress, true);
return(tmpInstr.Identity);
}
catch (Exception ex)
{
outConnected = false;
return("");
}
}
/// <summary>
/// 更新设备信息
/// </summary>
/// <param name="tmpInstrumentInfo"></param>
private static void UpdateInstrumentInfo(InstrumentInfo tmpInstrumentInfo)
{
try
{
GlobalStatusReport.Report(string.Format("UpdateInstrumentInfo 仪表名称：{0} 地址：{1},开始连接", tmpInstrumentInfo.InstrumentName, tmpInstrumentInfo.IpAddress));
tmpInstrumentInfo.DevInfoState = devState.ischeck;
string Identity = "";
string ModelNo = "";
string InstSN = "";
string Firmware = "";
string Options = "";
string Manufactor = "";
ModelNo = ScpiInstrument.DetermineInstrumentInfo(tmpInstrumentInfo.IpAddress, out Identity, out InstSN, out Options, out Firmware, out Manufactor);
if ((ModelNo == null) || (ModelNo == string.Empty))
{
tmpInstrumentInfo.ConnectOK = devState.error;
tmpInstrumentInfo.DevInfoState = devState.error;
#if Simulate
tmpInstrumentInfo.ConnectOK = devState.connect;
tmpInstrumentInfo.DevInfoState = devState.connect;
#endif
}
else
{
tmpInstrumentInfo.ConnectOK = devState.connect;
tmpInstrumentInfo.DevInfoState = devState.connect;
tmpInstrumentInfo.ModelNo = ModelNo;
tmpInstrumentInfo.Identity = Identity;
tmpInstrumentInfo.SN = InstSN;
tmpInstrumentInfo.OptionList = Options;
tmpInstrumentInfo.Manufacter = Manufactor;
}
GlobalStatusReport.Report(string.Format("UpdateInstrumentInfo 仪表名称：{0} 地址：{1},连接结束!", tmpInstrumentInfo.InstrumentName, tmpInstrumentInfo.IpAddress));
}
catch (Exception ex)
{
tmpInstrumentInfo.ConnectOK = devState.error;
}
}
private static bool IfNeedUpdateCtrlObj(string tmpNewAddress, ScpiInstrument tmpCtrlObj)
{
bool bNeedUpdateCtrlObj = (tmpCtrlObj == null) || (tmpCtrlObj.ResourceName != tmpNewAddress);
return(bNeedUpdateCtrlObj);
}
