//选择设备之后进行打开
private void button2_Click(object sender, EventArgs e)
{
SelectResource f = new SelectResource();
f.StartPosition = FormStartPosition.CenterParent;
DialogResult r = f.ShowDialog(this);
if (r == DialogResult.OK)
{
device_name = f.ResourceName;
Cursor.Current = Cursors.WaitCursor;
using (var rmSession = new ResourceManager())
{
try
{
mbSession = (MessageBasedSession)rmSession.Open(f.ResourceName);
button2.Enabled = false;
button3.Enabled = true;
}
catch (InvalidCastException)
{
System.Windows.Forms.MessageBox.Show("Resource selected must be a message-based session");
}
catch (Exception exp)
{
System.Windows.Forms.MessageBox.Show(exp.Message);
}
finally
{
Cursor.Current = Cursors.Default;
}
}
}
}
protected bool checkBusyState(MessageBasedSession mbSession, string command)
{
string OK = "0";
string Command_Line;
string responseString = "1";
byte counter = 0;
if ((command == "*ESE?") || (command == "*ESR?"))
{
OK = "0";
}
else
if ((command == "*OPC?") || (command == ":STAT:SRW:MEAS?"))
{
OK = "1";
}
while ((responseString.Trim() != OK) && (counter < 255))
{
Command_Line = ReplaceCommonEscapeSequences(command + "\n");
responseString = mbSession.Query(Command_Line);
responseString = responseString.Substring(0, 1);
Thread.Sleep(250);
counter++;
}
if (counter == 1)
{
return(false);
}
else
{
return(true);
}
}
private void openSession_Click(object sender, System.EventArgs e)
{
using (SelectResource sr = new SelectResource())
{
if (lastResourceString != null)
{
sr.ResourceName = lastResourceString;
}
DialogResult result = sr.ShowDialog(this);
if (result == DialogResult.OK)
{
lastResourceString = sr.ResourceName;
Cursor.Current = Cursors.WaitCursor;
try
{
mbSession = (MessageBasedSession)ResourceManager.GetLocalManager().Open(sr.ResourceName);
SetupControlState(true);
}
catch (InvalidCastException)
{
MessageBox.Show("Resource selected must be a message-based session");
}
catch (Exception exp)
{
MessageBox.Show(exp.Message);
}
finally
{
Cursor.Current = Cursors.Default;
}
}
}
}
static void instrument_write(MessageBasedSession instrument_control_object, string command)
{
/*
* Purpose: Used to send commands to the instrument.
*
* Parameters:
* instrument_control_object - The reference to the instrument object created external to this function. It is passed
* in by reference so that it retains all values upon exiting this function, making it
* consumable to all other calling functions.
*
* command - The command string issued to the instrument in order to perform an action.
*
* Returns:
* None
*
* Revisions:
* 2019-06-04 JJB Initial revision.
*/
if (echo_command == true)
{
Console.WriteLine("{0}", command);
}
instrument_control_object.RawIO.Write(command);
//instrument_control_object.WriteString(command + "\n");
return;
}
private void SelRes()
{
if ((string)availableResourcesListBox.SelectedItem != null)
{
string selectedString = (string)availableResourcesListBox.SelectedItem;
ResourceName = selectedString;
using (var rmSession = new ResourceManager())
{
try
{
mbSession = (MessageBasedSession)rmSession.Open(ResourceName);
mbSession.RawIO.Write("*OPT?");
string cardInSlot = mbSession.RawIO.ReadString();
//if (cardInSlot.Contains("7708"))
//{
this.DialogResult = DialogResult.OK;
this.Close();
////}
//else
//{
// MessageBox.Show(adRes.brd7708notfound);
//}
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
}
}
/// <summary>
/// 根据当前选择的地址返回设备基本信息
/// </summary>
private void Query_IDN(String Device_address)
{
Cursor.Current = Cursors.WaitCursor;
try
{
mbSession = (MessageBasedSession)ResourceManager.GetLocalManager().Open(Device_address);
Device_Address = list_devices.Text;
}
catch (InvalidCastException)
{
MessageBox.Show("Resource selected must be a message-based session");
}
catch (Exception exp)
{
MessageBox.Show(exp.Message);
}
try
{
mbSession.Write(ReplaceCommonEscapeSequences("*RST\\n"));
mbSession.Write(ReplaceCommonEscapeSequences("*CLS\\n"));
string textToWrite = ReplaceCommonEscapeSequences("*IDN?\\n");
string responseString = mbSession.Query(textToWrite);
Device_Info.Text = InsertCommonEscapeSequences(responseString);
Print_Log("Find device:" + responseString);
}
catch (Exception exp)
{
MessageBox.Show(exp.Message);
}
finally
{
Cursor.Current = Cursors.Default;
}
}
public static void SetUSBRawAttribute(ref MessageBasedSession mbs)
{
UsbRaw usbRaw = (UsbRaw)mbs;
usbRaw.InterruptInPipe = -1; // Disable the interrupt pointer
usbRaw.BulkInPipe = 129; // Re-define the bulk-in pipe
}
public virtual int Connect(int gpibAddress, bool remote, string serverName)
{
int status = 0;
string remoteServer = $"visa://{serverName}";
string instrumentID;
if (remote)
{
instrumentID = $"{remoteServer}/GPIB0::{gpibAddress}::INSTR";
}
else
{
instrumentID = $"GPIB0::{gpibAddress}::INSTR";
}
try
{
session = (MessageBasedSession)ResourceManager.GetLocalManager().Open(instrumentID);
if (Convert.ToBoolean(VerifyInstrument()))
{
//if the instrument is not of the correct type, close the session.
session.Dispose();
status = -1;
}
}
catch (Exception ex)
{
Logger.ReportException($"Failed to open gpib device {instrumentID}.", ex);
status = -1;
}
return status;
}
public static void SetSerialAttribute(ref MessageBasedSession mbs)
{
SerialSession ser = (SerialSession)mbs;
ser.BaudRate = GlobalVars.VISA_CLI_Option_SerialBaudRate; //设置速率
ser.DataBits = GlobalVars.VISA_CLI_Option_SerialDataBits; //数据位
ser.StopBits = GlobalVars.VISA_CLI_Option_SerialStopBits; //停止位
ser.Parity = GlobalVars.VISA_CLI_Option_SerialParity; //校验 NONE 0 Odd 1 Even 2 Mark 3 Space 4
ser.FlowControl = GlobalVars.VISA_CLI_Option_SerialFlowControl; //Flow Control NONE 0 XON/XOFF 1 使用 NI I/O Trace 监视 VISA Test Panel 设置时得到
ser.TerminationCharacter = GlobalVars.theReadTerminationCharactersOfRS232; //结束符，针对每个串口只能设置唯一的结束符,此处留给 Read操作,Write操作直接手动在命令末尾加指定的结束符
ser.ReadTermination = GlobalVars.VISA_CLI_Option_SerialTerminationMethodWhenRead; // 读回结束符选择
//VI_ATTR_ASRL_END_IN indicates the method used to terminate read operations
ser.WriteTermination = GlobalVars.VISA_CLI_Option_SerialTerminationMethodWhenWrite; // 写入结束符选择(ser.TerminationCharacter 定义的终止符优先给读回终止符, 写入终止符由 --stmW=2 和 --terminateW="0x0A" 共同指定,若--terminateW不指定,默认使用0x0aA）
// VI_ATTR_ASRL_END_OUT indicates the method used to terminate write operations
if (GlobalVars.VISA_CLI_Option_PrintDebugMessage)
{
Console.WriteLine("当前正使用COM通信,当前设置为:\n速率 : " + GlobalVars.VISA_CLI_Option_SerialBaudRate.ToString() + " bps"
+ "\n数据位 : " + GlobalVars.VISA_CLI_Option_SerialDataBits.ToString()
+ "\n停止位 : " + (((int)GlobalVars.VISA_CLI_Option_SerialStopBits) / 10).ToString()
+ "\n校验方式(Parity) : " + GlobalVars.VISA_CLI_Option_SerialParityEnumList[((int)GlobalVars.VISA_CLI_Option_SerialParity)]
+ "\nFlowControl : " + GlobalVars.VISA_CLI_Option_SerialFlowControlEnumList[((int)GlobalVars.VISA_CLI_Option_SerialFlowControl)]
+ "\nTerminationCharacter : 0x" + GlobalVars.theReadTerminationCharactersOfRS232.ToString("X2") //https://stackoverflow.com/questions/5426582/turn-byte-into-two-digit-hexadecimal-number-just-using-tostring/5426587#5426587
+ "\nTerminationCharactersOfRead : 0x" + GlobalVars.theReadTerminationCharactersOfRS232.ToString("X2")
+ "\nTerminationCharactersOfWrite : 0x" + GlobalVars.theWriteTerminationCharactersOfRS232.ToString("X2")
+ "\nSerialTerminationMethodOfRead : " + GlobalVars.VISA_CLI_Option_SerialTerminationMethodEnumList[((int)GlobalVars.VISA_CLI_Option_SerialTerminationMethodWhenRead)]
+ "\nSerialTerminationMethodOfWrite : " + GlobalVars.VISA_CLI_Option_SerialTerminationMethodEnumList[((int)GlobalVars.VISA_CLI_Option_SerialTerminationMethodWhenWrite)]
+ "\n\n请确保仪器设置与本设置相符"
);
}
}
private void frmMain_Load(object sender, EventArgs e)
{
if (TekScope != null)
{
TekScope.Dispose();
TekScope = null;
}
}
private void openMySession()
{
closeMySession();
//open a Session to the VNA
mySession = ResourceManager.GetLocalManager().Open(sAddress);
//cast this to a message based session
mbSession = (MessageBasedSession)mySession;
}
private AFG3022()
{
string[] resources = ResourceManager.GetLocalManager().FindResources("USB?*INSTR");
if (resources != null && resources.Length > 0)
{
session = (MessageBasedSession)ResourceManager.GetLocalManager().Open(resources[0]);
}
}
private AFG3022()
{
string[] resources = ResourceManager.GetLocalManager().FindResources("USB?*INSTR");
if (resources != null && resources.Length > 0)
{
session = (MessageBasedSession)ResourceManager.GetLocalManager().Open(resources[0]);
}
}
private string readFRES(MessageBasedSession mbSession, Channel prevChan)
{
try
{
mbSession.RawIO.Write($"ROUT:OPEN:ALL");
Thread.Sleep(20);
mbSession.RawIO.Write($"ROUT:MULT:CLOS (@{portAddr},{Pair},141,142,143)");
Thread.Sleep(20);
if (this.Function != prevChan.Function)
{
mbSession.RawIO.Write($"SENS:FUNC 'FRES'");
}
if (this.range != prevChan.range)
{
string rangeDyn = range.Replace("k", "000");
rangeDyn = range.Replace("M", "000000");
mbSession.RawIO.Write($":SENS:FRES:RANG{rangeDyn}");
}
if (this.NPLC != prevChan.NPLC)
{
mbSession.RawIO.Write($":SENS:FRES:NPLC {NPLC}");
}
if (this.FILT != prevChan.FILT)
{
mbSession.RawIO.Write($":SENS:FRES:AVER:STAT {FILT}");
}
for (int i = 0; i < 2; i++)
{
mbSession.RawIO.Write("DATA:FRESH?");
//-6.26574010E-02VDC,+900.272SECS,+69495RDNG# пример возвращаемой строки
string readStr = mbSession.RawIO.ReadString();
//string readStr = "-6.26574010E-02VDC,+900.272SECS,+69495RDNG#";
string[] separator = { "," };
string[] nameAr = readStr.Split(separator, StringSplitOptions.RemoveEmptyEntries);
string[] separator2 = { "OHM4W" };
nameAr = nameAr[0].Split(separator2, StringSplitOptions.RemoveEmptyEntries);
nameAr[0] = nameAr[0].Replace(".", ",");
double result = 0;
if (double.TryParse(nameAr[0], out result) && nameAr[0] != "+9,9E37" && nameAr[0] != "-9,9E37")
{
return(nameAr[0]);
}
;
}
return("OVRFLW");
}
catch (IOTimeoutException exp)
{
MessageBox.Show("Failed to read value. Reason: " + exp.Message);
}
catch (NativeVisaException exp)
{
MessageBox.Show("Failed to read value. Reason: " + exp.Message);
}
return(null);
}
/// <summary>
/// Close the session (if opened)
/// </summary>
public void close()
{
lock (mbSession) {
if (mbSession != null)
{
mbSession.Dispose();
mbSession = null;
}
}
}
/// <summary>
/// Open a sesion to a specified resource. If an existing session is open it will be closed first.
/// </summary>
/// <param name="resourceName"></param>
public void open(string resourceName)
{
if (isOpen())
{
close();
}
using (var rmSession = new ResourceManager()) {
mbSession = (MessageBasedSession)rmSession.Open(resourceName);
}
}
public bool Open(string visaaddress)
{
try {
mbSession = (MessageBasedSession)ResourceManager.GetLocalManager().Open(visaaddress);
return(true);
}
catch {
return(false);
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public bool Connection(ref string message)
{
try {
mbSession = (MessageBasedSession)ResourceManager.GetLocalManager().Open(MeasureEquip_IP);
return(true);
}catch (Exception ex) {
message = ex.ToString();
return(false);
}
}
public bool Open(out string message)
{
message = "";
try {
mbSession = (MessageBasedSession)NationalInstruments.VisaNS.ResourceManager.GetLocalManager().Open(this.GPIBAddress); //att_handle là địa chỉ GPIB của máy Attenuation
return(true);
} catch (Exception ex) {
message = ex.ToString();
return(false);
}
}
private async void openSession_Click(object sender, EventArgs e)
{
if (openSession.Text == adRes.openSession)
{
using (SelectResource sr = new SelectResource())
{
if (lastResourceString != null)
{
sr.ResourceName = lastResourceString;
}
DialogResult result = sr.ShowDialog(this);
if (result == DialogResult.OK)
{
lastResourceString = sr.ResourceName;
Cursor = Cursors.WaitCursor;
using (var rmSession = new ResourceManager())
{
try
{
mbSession = sr.mbSession;
mbSession.TimeoutMilliseconds = 20000;
SetupControlState(true);
}
catch (InvalidCastException)
{
MessageBox.Show("Resource selected must be a message-based session");
}
catch (Exception exp)
{
MessageBox.Show(exp.Message);
}
finally
{
Cursor = Cursors.Default;
}
}
openSession.Text = adRes.closeSession;
}
}
}
else if (openSession.Text == adRes.closeSession)
{
await Task.Run(() => waitWriteEnds());
DeinitializeTimer();
createTimerBtn.Enabled = false;
createTimerBtn.Text = adRes.strRecord;
channels = null;
SetupControlState(false);
mbSession.Dispose();
openSession.Text = adRes.openSession;
}
}
public FunGen()
{
if (desc != null)
{
// afg3022.Descriptor = desc;
return;
}
if (GetDevDescList() != null && deviceList.Count != 0)
{
afg3022Session = (MessageBasedSession)ResourceManager.GetLocalManager().Open(deviceList[0]);
}
}
public FunGen()
{
if (desc != null)
{
// afg3022.Descriptor = desc;
return;
}
if (GetDevDescList() != null && deviceList.Count != 0)
{
afg3022Session = (MessageBasedSession)ResourceManager.GetLocalManager().Open(deviceList[0]);
}
}
public void Dispose()
{
if (_handleSessionLifetime)
{
if (_instrumentSession != null)
{
((IDisposable)(_instrumentSession)).Dispose();
_instrumentSession = null;
}
}
GC.SuppressFinalize(this);
}
public SetupForm(List <Channel> channel, MessageBasedSession mbSeesion)
{
InitializeComponent();
session = mbSeesion;
channels = new List <Channel>();
if (channel != null)
{
channels.Clear();
channels.AddRange(channel);
saveSetsBtn.Enabled = true;
}
refrashLists();
}
/// <summary>
/// Makes sure message based session has been and is still opened. Throws an exception if not.
/// </summary>
protected void preCheck()
{
if (!isOpen())
{
throw new Exception("No session opened.");
}
// If disposed and not set to null it was not closed here. Closed due to loss of communication
if (mbSession.IsDisposed && isOpen())
{
mbSession = null;
throw new Exception("Communication with the device was lost.");
}
}
/*----------------------------------------------------------*/
public E6640A_VISA(string MeasureEquip_IP)
{
try
{
mbSession = (MessageBasedSession)ResourceManager.GetLocalManager().Open(MeasureEquip_IP);
//Hàm dùng để vào máy đo, để thực hiện cấu hình
}
catch
{
//Nếu vòng try sai thì báo lỗi ở đây
MessageBox.Show("[E6640A_VISA]Không kết nối được với máy đo IP= " + MeasureEquip_IP);
saveLogfile(g_logfilePath, "[E6640A_VISA]Không kết nối được với máy đo IP= " + MeasureEquip_IP + " \n");
};
}
public void Disconnect()
{
try
{
session.DisableEvent(EventType.AllEnabled);
session.Clear();
io = null;
session = null;
}
catch (Exception exception)
{
throw CreateThrowUpException(exception);
}
}
public MBSession(string resourceString)
{
if (resourceString != null)
{
try
{ MbSession = (MessageBasedSession)ResourceManager.GetLocalManager().Open(resourceString); }
catch (Exception exc)
{ MessageBox.Show(exc.Message, exc.GetType().ToString()); }
}
else
{
MessageBox.Show("Empty resource string");
}
}
public void readTime(MessageBasedSession mbSession, Channel prevChan)
{
mbSession.RawIO.Write("DISP:TEXT:DATA 'TEST'");
mbSession.RawIO.Write("DISP:TEXT:STAT ON");
DateTime dateTimeStart;
DateTime dateTimeEnd;
dateTimeStart = DateTime.Now;
//string readValue = await Task.Run(() => this.readValue(mbSession)); //Считывание значения через класс
readValueBool(mbSession, prevChan);
dateTimeEnd = DateTime.Now;
timeToRead = dateTimeEnd - dateTimeStart;
mbSession.RawIO.Write("DISP:TEXT:STAT OFF");
}
static void instrument_connect(ref ResourceManager resource_manager, ref MessageBasedSession instrument_control_object, string instrument_id_string, Int16 timeout)
{
/*
* Purpose: Open an instance of an instrument object for remote communication and establish the communication attributes.
*
* Parameters:
* resource_manager - The reference to the resource manager object created external to this function. It is passed in
* by reference so that any internal attributes that are updated when using to connect to the
* instrument are updated to the caller.
*
* instrument_control_object - The reference to the instrument object created external to this function. It is passed
* in by reference so that it retains all values upon exiting this function, making it
* consumable to all other calling functions.
*
* instrument_id_string - The instrument VISA resource string used to identify the equipment at the underlying driver
* level. This string can be obtained per making a call to Find_Resources() VISA function and
* extracted from the reported list.
*
* timeout - This is used to define the duration of wait time that will transpire with respect to VISA read/query calls
* prior to an error being reported.
*
* Returns:
* None
*
* Revisions:
* 2019-06-04 JJB Initial revision.
*/
instrument_control_object = (MessageBasedSession)(resource_manager.Open(instrument_id_string, Ivi.Visa.AccessModes.None, 2000));
// Instrument ID String examples...
// LAN -> TCPIP0::134.63.71.209::inst0::INSTR
// USB -> USB0::0x05E6::0x2450::01419962::INSTR
// GPIB -> GPIB0::16::INSTR
// Serial -> ASRL4::INSTR
instrument_control_object.Clear();
instrument_control_object.TimeoutMilliseconds = timeout;
if (instrument_id_string.Contains("ASRL"))
{
instrument_control_object.TerminationCharacterEnabled = true;
instrument_control_object.TerminationCharacter = 0x0A;
}
else if (instrument_id_string.Contains("SOCKET"))
{
instrument_control_object.TerminationCharacterEnabled = true;
instrument_control_object.TerminationCharacter = 0x0A;
}
return;
}
private void Connect()
{
try
{
if (!_connected)
{
mbSession = (MessageBasedSession)ResourceManager.GetLocalManager().Open(_visaAddress);
_connected = true;
}
}
catch (Exception e)
{
throw new VnaException("Connect N5224A fail via Visa Command", e);
}
}
public bool XStageConnect(string port)
{
try
{
Connector = (MessageBasedSession)ResourceManager.GetLocalManager().Open("COM" + port);
//Connector = (MessageBasedSession)ResourceManager.GetLocalManager().Open("ASRL5::INSTR");
Connector.Timeout = 5000;
}
catch (Exception e)
{
Console.WriteLine(e.Message);
return(false);
}
return(true);
}
/// <summary>
/// This task will use the MessageBasedSession passed in. This task can either the MessageBasedSession or leave it open for the caller to close.
/// </summary>
/// <param name="session">MessageBasedSession used by this task.</param>
/// <param name="taskHandlesSessionLifetime">If true, the task will close session when the task is disposed. If false, the caller is responsible for closing session.</param>
public BK2831E_2_INIT(MessageBasedSession session, bool taskHandlesSessionLifetime)
{
if (session == null)
{
throw new ArgumentNullException("session");
}
_instrumentSession = session;
_instrumentSession.Timeout = 2000;
_instrumentSession.TerminationCharacterEnabled = false;
_instrumentSession.TerminationCharacter = 0;
// The caller can control the VISA session lifetime by passing in false for taskHandlesSessionLifetime. If taskHandlesSessionLifetime
// is true, then the VISA session will be closed when the caller disposes this task.
_handleSessionLifetime = taskHandlesSessionLifetime;
}
public override ERROR_CODES ConnectToDevice()
{
ERROR_CODES status = ERROR_CODES.AA_OK;
UpdateErrorBuffers("", "");
try
{
msgbSession = (MessageBasedSession)ResourceManager.GetLocalManager().Open(DeviceID);
msgbSession.DefaultBufferSize = 128000;
}
catch (Exception e)
{
status = ERROR_CODES.INSTRUMENT_CONNECTION_FAILED;
UpdateErrorBuffers(e.Message, String.Format("Failed to connect to device {0}.", ModelName));
}
return status;
}
private void initButton_Click(object sender, EventArgs e)
{
try
{
mbSession = (MessageBasedSession)ResourceManager.GetLocalManager().Open(sessionListBox.Text);
}
catch (InvalidCastException)
{
MessageBox.Show("Resource selected must be a message-based session");
}
catch (Exception exp)
{
MessageBox.Show(exp.Message);
}
finally
{
Cursor.Current = Cursors.Default;
}
}
internal void Connect()
{
try
{
ResourceManager manager = ResourceManager.GetLocalManager();
m_session = (MessageBasedSession)manager.Open(ResourceName);
}
catch (ArgumentException ex)
{
throw new SBJException("Error occured while trying to connect to instrument", ex);
}
catch (VisaException ex)
{
throw new SBJException("Error occured while trying to connect to instrument", ex);
}
catch (DllNotFoundException ex)
{
throw new SBJException("Error occured while trying to connect to instrument", ex);
}
catch (EntryPointNotFoundException ex)
{
throw new SBJException("Error occured while trying to connect to instrument", ex);
}
}
/// <summary>
/// Initialize the VISA communication
/// </summary>
/// <param name="resourceName">VISA resource name</param>
public virtual void initVISASession(string resourceName,bool developmentMode=false)
{
if (developmentMode == false)
{
try
{
VISAResourceName = resourceName;
deviceSession = (MessageBasedSession)ResourceManager.GetLocalManager().Open(resourceName);
sessionCommType = commType.VISA;
sessionInitialised = true;
}
catch (InvalidCastException)
{
Debug.WriteLine("Resource selected must be a message-based session");
sessionInitialised = false;
sessionCommType = commType.none;
}
catch (Exception exp)
{
Debug.WriteLine(exp.Message);
System.Windows.Forms.MessageBox.Show(VISAResourceName + " initialization fails");
System.Windows.Forms.MessageBox.Show(exp.Message);
sessionInitialised = false;
sessionCommType = commType.none;
}
finally
{
//Cursor.Current = Cursors.Default;
}
}
else
{
sessionInitialised = false;
sessionCommType = commType.none;
}
}
public bool SCPIconnect()
{
if (scpitalker == null)
{
try
{
scpitalker = new MessageBasedSession("TCPIP::" + signalIP);
functiongenerator = new SCPI(scpitalker);
}
catch (System.ArgumentException)
{
if (Global.AskError("Check your signal generator connection settings") == DialogResult.Retry)
SCPIconnect();
}
}
return scpitalker != null;
}
public Arb_33522A_USB(string VISA_Address_String)
{
AWG_33522A_USB = (MessageBasedSession)ResourceManager.GetLocalManager().Open(VISA_Address_String);
}
private bool WaitDevRdy(int waitTime)
{
int i = 0;
while (afg3022Session == null || deviceList.Count == 0)
{
Thread.Sleep(100);
if (GetDevDescList() != null && deviceList.Count != 0)
{
afg3022Session = (MessageBasedSession)ResourceManager.GetLocalManager().Open(deviceList[0]);
}
if (i > waitTime)
{
return false;
}
i++;
}
return true;
}
public VisaDevice(string resourceString)
{
VisaID = resourceString;
mbSession = (MessageBasedSession)ResourceManager.GetLocalManager().Open(resourceString);
mbSession.Timeout = int.MaxValue;
}
public override ERROR_CODES DisconnectFromDevice()
{
UpdateErrorBuffers("", "");
if (IsOpen)
{
msgbSession.Dispose();
msgbSession = null;
}
return ERROR_CODES.AA_OK;
}
public VISA(string VISA_Address_String)
{
if (is_Init)
{
throw new Exception();
}
try
{
myVISA = (MessageBasedSession)ResourceManager.GetLocalManager().Open(VISA_Address_String);
is_Init = true;
}
catch (Exception e)
{
strErr = e.Message.ToString();
}
}
