static void Main(string[] args)
{
FunctionsExample DmmClass = new FunctionsExample(); //Create an instance of this class so we can call functions from Main
//For more information on getting started using VISA COM I/O operations see the app note located at:
//http://cp.literature.agilent.com/litweb/pdf/5989-6338EN.pdf
Ivi.Visa.Interop.ResourceManager rm = new Ivi.Visa.Interop.ResourceManager(); //Open up a new resource manager
Ivi.Visa.Interop.FormattedIO488 myDmm = new Ivi.Visa.Interop.FormattedIO488(); //Open a new Formatted IO 488 session
/*
AGILENT_33220A = "USB0::0x0957::0x0407::MY44021621::0::INSTR"
AGILENT_33522A = "USB0::0x0957::0x2307::MY50003961::0::INSTR"
*/
try
{
string AGILENT_33220A = "USB0::0x0957::0x0407::MY44021621::0::INSTR";
string AGILENT_33522A = "USB0::0x0957::0x2307::MY50003961::0::INSTR";
myDmm.IO = (IMessage)rm.Open(AGILENT_33220A, AccessMode.NO_LOCK, 2000, ""); //Open up a handle to the DMM with a 2 second timeout
myDmm.IO.Timeout = 3000; //You can also set your timeout by doing this command, sets to 3 seconds
//First start off with a reset state
myDmm.IO.Clear(); //Send a device clear first to stop any measurements in process
myDmm.WriteString("*RST", true); //Reset the device
myDmm.WriteString("*IDN?", true); //Get the IDN string
string IDN = myDmm.ReadString();
Console.WriteLine(IDN); //report the DMM's identity
myDmm.WriteString(":OUTP:STAT 0", true); // Disable Output
myDmm.WriteString(":SOUR:FREQ:CW 1.1512 MHZ", true);
DmmClass.CheckDMMError(myDmm); //Check if the DMM has any errors
myDmm.WriteString(":SOUR:VOLT:LEV:IMM:AMPL 0.1 VPP", true);
DmmClass.CheckDMMError(myDmm); //Check if the DMM has any errors
myDmm.WriteString(":SOUR:BURS:PHAS 0", true);
DmmClass.CheckDMMError(myDmm); //Check if the DMM has any errors
System.Threading.Thread.Sleep(5000);
myDmm.WriteString(":SOUR:BURS:NCYC 50000", true);
DmmClass.CheckDMMError(myDmm); //Check if the DMM has any errors
myDmm.WriteString(":SOUR:BURS:INT:PER 0.1 S", true);
DmmClass.CheckDMMError(myDmm); //Check if the DMM has any errors
myDmm.WriteString(":SOUR:FREQ?", true);
string FreqRes = myDmm.ReadString();
myDmm.WriteString(":SOUR:BURS:INT:PER?", true);
string PeriodRes = myDmm.ReadString();
myDmm.WriteString(":SOUR:VOLT:LEV:IMM:AMPL?", true);
string AmplitudeRes = myDmm.ReadString();
myDmm.WriteString(":SOUR:BURS:PHAS?", true);
string PhasResult = myDmm.ReadString();
myDmm.WriteString(":SOUR:BURS:NCYC?", true);
string NumCycRes = myDmm.ReadString();
DmmClass.CheckDMMError(myDmm); //Check if the DMM has any errors
Console.WriteLine("Current Values are:" + "Period:" + PeriodRes + "Frequency:" + FreqRes + "Amplitude" + AmplitudeRes + "Phase" + PhasResult + "Cycles" + NumCycRes);
myDmm.WriteString(":SOUR:BURS:STAT 1", true);
DmmClass.CheckDMMError(myDmm); //Check if the DMM has any errors
myDmm.WriteString(":OUTP:STAT 1", true); // Enable Output
DmmClass.CheckDMMError(myDmm); //Check if the DMM has any errors
}
catch (Exception e)
{
Console.WriteLine("Error occured: " + e.Message);
}
finally
{
//Close out your resources
try { myDmm.IO.Close(); }
catch{}
try{ System.Runtime.InteropServices.Marshal.ReleaseComObject(myDmm);}
catch {}
try{
System.Runtime.InteropServices.Marshal.ReleaseComObject(rm);
}
catch {}
/*
Console.WriteLine("Press any key to continue...");
Console.ReadKey();
*/
}
}
/*
*
* WT210一次性读取出三个值
* 函数已经将读取出的值分开[0][1][2]三个端口测量结果
*/
public static float[] ReadValue(String IOadress13)
{
string[] conn = { "", "", "" };
float[] rus = new float[3];
try
{
Ivi.Visa.Interop.ResourceManager rm = new Ivi.Visa.Interop.ResourceManager();
Ivi.Visa.Interop.FormattedIO488 myDmm = new Ivi.Visa.Interop.FormattedIO488();
string WT210 = "GPIB0::" + IOadress13 + "::INSTR";
myDmm.IO = (IMessage)rm.Open(WT210, AccessMode.NO_LOCK, 2000, "");
myDmm.IO.Clear();
myDmm.WriteString("MEAS:NORM:VAL?", true);
String aa = myDmm.ReadString();
conn = aa.Split(',');
rus[0] = Convert.ToSingle(conn[0]);
rus[1] = Convert.ToSingle(conn[1]);
rus[2] = Convert.ToSingle(conn[2]);
if (rus[0] > 400 || rus[1] > 10 || rus[2] > 100)
{
delay.Delay1(2);
myDmm.WriteString("MEAS:NORM:VAL?", true);
aa = myDmm.ReadString();
conn = aa.Split(',');
rus[0] = Convert.ToSingle(conn[0]);
rus[1] = Convert.ToSingle(conn[1]);
rus[2] = Convert.ToSingle(conn[2]);
}
}
catch (System.Runtime.InteropServices.COMException)
{
MessageBox.Show("WT210读数出错", "出错提示", MessageBoxButtons.OKCancel);
}
return(rus);
}
public string ReadString()
{
string Str = "";
try
{
switch (Str_IO_interface)
{
case "GPIB":
Str = myDmm.ReadString();
break;
case "USB":
break;
case "RJ45": // 网口
break;
case "RS232": // 网口
break;
}
return(Str);
}
catch (Exception error)
{
//MessageBox.Show(error.Message);
log.AdapterLogString(3, error.Message);
throw error;
}
}
public static String[] ReadHramVal(String IOadress13)
{
string[] conn = new string[102];
try
{
Ivi.Visa.Interop.ResourceManager rm = new Ivi.Visa.Interop.ResourceManager();
Ivi.Visa.Interop.FormattedIO488 myDmm = new Ivi.Visa.Interop.FormattedIO488();
string WT210 = "GPIB0::" + IOadress13 + "::INSTR";
myDmm.IO = (IMessage)rm.Open(WT210, AccessMode.NO_LOCK, 2000, "");
myDmm.IO.Clear();
myDmm.WriteString("*RST", true);
delay.Delay1(1);
myDmm.WriteString("HARM:STAT ON", true);
delay.Delay1(4);
myDmm.WriteString("MEAS:HARM:ITEM:PRES APAT", true);
delay.Delay1(3);
myDmm.WriteString("MEAS:HARM:VAL? ", true);
String aa = myDmm.ReadString();
conn = aa.Split(',');
myDmm.WriteString("HARM:STAT OFF", true);
myDmm.WriteString("MEAS:NORM:ITEM:A OFF", true);
myDmm.WriteString("MEAS:NORM:ITEM:PF ON", true);
}
catch (System.Runtime.InteropServices.COMException)
{
MessageBox.Show("WT210读数出错", "出错提示", MessageBoxButtons.OKCancel);
}
return(conn);
}
public void GetAvePwr(ref double Freq_Ext, ref double Pwr_Ext)
{
//Read data from CMU200
string RespondStr;
string[] Split_str;
double Freq;
double Pwr;
for (int i = 0; i < N; i++)
{
do
{
ioDmm.WriteString(StartSpecMeasure_Cmd, true);
Delay(100);
ioDmm.WriteString(StopSpecMeasure_Cmd, true);
Delay(100);
ioDmm.WriteString(ReadPwr_Cmd, true);
Delay(100);
RespondStr = ioDmm.ReadString();
} while (RespondStr == "NAN\n");
//分离字符串并解析
Split_str = RespondStr.Split(',');
Freq = Convert.ToDouble(Split_str[0]);
Pwr = Convert.ToDouble(Split_str[1]);
Array_Pwr_Result[i] = Pwr;
Array_Freq_Result[i] = Freq;
}
//Array_PWr_Result中取最大值,并几率位置，从该位置Array_Freq_Result读出频率值；
double temp = Array_Pwr_Result[0];
int Loc = 0;
for (int i = 1; i < N; i++)
{
if (temp < Array_Pwr_Result[i])
{
temp = Array_Pwr_Result[i];
Loc = i;
}
}
Pwr_Ext = temp;
Freq_Ext = Array_Freq_Result[Loc];
// return RespondStr;
}
/// <summary>
/// Method to get the ID string of instrument
/// </summary>
private string GetInstrumentID()
{
string m_strReturn;
ioArbFG.WriteString("*RST", true);
ioArbFG.WriteString("*IDN?", true);
m_strReturn = ioArbFG.ReadString();
//Check if its not null
if (m_strReturn != null)
{
EnableControls();
return(m_strReturn);
}
else
{
DisableControls();
return("Error : Could not read ID of instrument");
}
}
public double ReadChPower()
{
//throw new System.NotImplementedException();
double testResult;
string StrReturn;
ioDmm.WriteString("READ:CHP?", true);
StrReturn = ioDmm.ReadString();
string[] PowerList = StrReturn.Split(',');
testResult = Convert.ToDouble(PowerList[0]);
double Den_sity = Convert.ToDouble(PowerList[1]);
return(testResult);
}
/*
*
* 此函数连接Agilent 34401A
* 输入命令接收仪器返回值
* 如果失败则捕获异常并返回error字符串
*/
public static String Comm(String ToMul, String IOadress22)
{
String MulRe = "error";
try
{
Ivi.Visa.Interop.ResourceManager rm = new Ivi.Visa.Interop.ResourceManager();
Ivi.Visa.Interop.FormattedIO488 myDmm = new Ivi.Visa.Interop.FormattedIO488();
String AGILENT_34401A = "GPIB0::" + IOadress22 + "::INSTR";
myDmm.IO = (IMessage)rm.Open(AGILENT_34401A, AccessMode.NO_LOCK, 2000, "");
myDmm.IO.Clear();
myDmm.WriteString("*RST", true);
myDmm.WriteString(ToMul, true);
MulRe = myDmm.ReadString();
Console.WriteLine(MulRe);
return(MulRe);
}
catch (System.Runtime.InteropServices.COMException)
{
return(MulRe);
}
}
/// <summary>
/// 万用表读测量值
/// </summary>
/// <returns></returns>
public string MultimetersRead()
{
string GetValue = "";
try
{
for (int i = 0; i < 5; i++)
{
Thread.Sleep(5);
GetValue = m_ioArbFG.ReadString();
if (GetValue != null && GetValue != "")
{
break;
}
}
}
catch (Exception ex)
{
return("");
}
return(GetValue);
}
/*
*
* 万用表 连接测试方法
* 用try将连接代码包括起来判断是否正常连接
*/
public static bool Link(String IOadress22)
{
bool conn = false;
try
{
Ivi.Visa.Interop.ResourceManager rm = new Ivi.Visa.Interop.ResourceManager();
Ivi.Visa.Interop.FormattedIO488 myDmm = new Ivi.Visa.Interop.FormattedIO488();
String AGILENT_34401A = "GPIB0::" + IOadress22 + "::INSTR";
myDmm.IO = (IMessage)rm.Open(AGILENT_34401A, AccessMode.NO_LOCK, 2000, "");
myDmm.IO.Clear();
myDmm.WriteString("*RST", true);
myDmm.WriteString("*IDN?", true);
Console.WriteLine(myDmm.ReadString()); //report the DMM's identity
conn = true;
return(conn);
}
catch (System.Runtime.InteropServices.COMException)
{
conn = false;
return(conn);
}
}
private string WriteReadString_GPIB(string ioaddr, string str_Write, ReadWrite operation, int count = 0)
{
string buf = Status.Failed.ToString();
try
{
lock (syncRoot_GPIB)
{
if (rm == null || myDmm == null || myDmm.IO == null)
{
rm = new Ivi.Visa.Interop.ResourceManager(); //Open up a new resource manager
myDmm = new Ivi.Visa.Interop.FormattedIO488(); //Open a new Formatted IO 488 session
myDmm.IO = (IMessage)rm.Open(ioaddr, AccessMode.NO_LOCK, 5000, ""); //Open up a handle to the DMM with a 2 second timeout
myDmm.IO.Timeout = 5000; //You can also set your timeout by doing this command, sets to 3 seconds
//myDmm.IO.Clear(); //Send a device clear first to stop any measurements in process
//myDmm.WriteString("*RST", true);
dicMyDmm = new Dictionary <string, IMessage>();
dicMyDmm.Add(ioaddr, myDmm.IO);
}
if (myDmm.IO != null && dicMyDmm.ContainsKey(ioaddr))
{
myDmm.IO = dicMyDmm[ioaddr];
}
else
{
Thread.Sleep(100);
myDmm.IO = (IMessage)rm.Open(ioaddr, AccessMode.NO_LOCK, 5000, ""); //Open up a handle to the DMM with a 2 second timeout
myDmm.IO.Timeout = 5000; //You can also set your timeout by doing this command, sets to 3 seconds
dicMyDmm.Add(ioaddr, myDmm.IO);
}
//if (myDmm.IO != null && myDmm.IO.ResourceName != ioaddr + "::INSTR")
//{
// Thread.Sleep(100);
// myDmm.IO = (IMessage)rm.Open(ioaddr, AccessMode.NO_LOCK, 5000, ""); //Open up a handle to the DMM with a 2 second timeout
// myDmm.IO.Timeout = 5000; //You can also set your timeout by doing this command, sets to 3 seconds
// Thread.Sleep(100);
//}
//myDmm.IO.Clear(); //Send a device clear first to stop any measurements in process
//myDmm.WriteString("*RST", true);
if (operation == ReadWrite.Write)
{
myDmm.WriteString(str_Write, true);
buf = Status.Pass.ToString();
}
else if (count == 0)
{
buf = myDmm.ReadString();
//myDmm.IO.Clear(); //Send a device clear first to stop any measurements in process
}
else
{
byte[] arr = new byte[count];
arr = myDmm.IO.Read(count);
buf = System.Text.Encoding.Default.GetString(arr);
}
Thread.Sleep(50);
return(buf);
}
}
catch
{
//Log.SaveLogToTxt(ex.Message + "\r\n" + "failed to operate GPIB");
return(buf);
}
}
public bool OpenRS232Port(int ComPortNum)
//"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
// This function opens a port (the communication between the instrument and
// computer).
// YJW: 函数，打开232通讯口并且验证安捷伦和计算机的连接是否正常，读取安捷伦设备的身份字符串
//"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
{
string addr, //通讯地址
msg, //消息
option_string; //通讯设定字符串
try // YJW: 放在TRY模块里，可以捕获异常并且处理
{
//create the formatted io object
//YJW: 声明488通讯类实例
data_logger = new FormattedIO488Class();
//create the resource manager
//YJW: 声明Ivi.Visa.Interop中的ResourceManger类实例
ResourceManager mgr = new ResourceManager();
// Get address and type (ASRL), and do an initial check
//YJW: 使用232通讯，即ASRL
addr = "ASRL" + Convert.ToString(ComPortNum);
Globls.addrtype = "ASRL";
// If address is Serial, we have 34970 and must set some things
//YJW: 设定232通讯
//YJW: 设定串口通讯的COM口号
addr = "ASRL" + Convert.ToString(ComPortNum) + "::INSTR";
// Use the optionstring to setup the RS-232 parameters
//YJW: 设定串口通讯的参数
//option_string = "Timeout = 10000 ; SendEndEnabled = TRUE ; TerminationCharacter = 10 ; TerminationCharacterEnabled = TRUE ; BaudRate = 9600 ; DataBits = 8 ; EndIn = ASRL_END_TERMCHAR ; EndOut = ASRL_END_NONE ; FlowControl = ASRL_FLOW_DTR_DSR ; Parity = ASRL_PAR_NONE ; StopBits = ASRL_STOP_ONE ";
option_string = "Timeout = 10000 ; BaudRate = 9600 ; DataBits = 8 ; FlowControl = ASRL_FLOW_DTR_DSR ; Parity = ASRL_PAR_NONE ; StopBits = ASRL_STOP_ONE ";
// Open the I/O session with the driver
//YJW: 打开通讯口
data_logger.IO = (IMessage)mgr.Open(addr, AccessMode.NO_LOCK, 4000, option_string);
Thread.Sleep(500);
// Set the instrument to remote
//YJW: 通过通讯口发送COMMAND STRING，要求远程控制
data_logger.WriteString("SYSTem:REMote", true);
// Check and make sure the correct instrument is addressed
//YJW: 设别连接设别的身份，确认是正确的设备
data_logger.WriteString("*IDN?", true);
msg = data_logger.ReadString();
// if not 34970 or 34972 then error and return
//YJW: 如果不是正确的设备，抛出错误
if ((msg.IndexOf("34972A") < 0) && (msg.IndexOf("34970A") < 0))
{
MessageBox.Show("Incorrect instrument addressed; use the correct address.", "VISACom");
//ioType.Text = "GPIB0::9";
//ioType.Refresh();
Globls.connected = false;
return(false);
}
// Remove cr and or lf character
//YJW: 除去身份识别字符串最后的结尾字符串
msg = msg.Remove((msg.Length - 1), 1);
// Check and make sure the 34901A Module is installed in slot 100;
//YJW: 确认安装在机内的模块是34901A，否则抛出错误
data_logger.WriteString("SYSTem:CTYPe? 100", true);
msg = data_logger.ReadString();
if (msg.IndexOf("34901A") < 0)
{
MessageBox.Show("Incorrect Module Installed in slot 100!", "VISACom");
}
// Check if the DMM is installed; convert returned ASCII string to number.
//YJW: 检查主机是否安装了DMM，即数字万用表，否则抛出错误
data_logger.WriteString("INSTrument:DMM:INSTalled?", true);
msg = data_logger.ReadString();
if (Convert.ToInt16(msg) == 0)
{
MessageBox.Show("DMM not installed; unable to make measurements.", "VISACom");
}
// Check if the DMM is enabled;; convert returned ASCII string to number.
// Enable the DMM, if not enabled
//YJW: 检查主机的DMM是否启用，否则启动DMM
data_logger.WriteString("INSTrument:DMM?", true);
msg = data_logger.ReadString();
if (Convert.ToInt16(msg) == 0)
{
data_logger.WriteString("INSTrument:DMM ON", true);
}
//YJW: 至此主机和PC的通讯已正常建立
Globls.connected = true;
return(true);
}
catch (Exception)//YJW: 异常捕获处理代码块
{
//MessageBox.Show(e.Message + "\nin function: OpenPort. Likely due to bad IO address. \nVerify address field and press Select I/O button.",
// "VISACom");
return(false);
}
}
public double Config34970A(List <string[]> GlobalConfigStrList, List <string[]> ChannelConfigStrList)
//"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
// This function performs the instrument setup.
//YJW: 函数 配置安捷伦
//"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
{
double DelayVal, TrigTime;
string rdg;
string msg;
string NormalMsg = "";
// Check for exceptions
//YJW: 使用TRY捕获异常
try
{
// Reset instrument to turn-on condition
// YJW: reset设备
data_logger.WriteString("*RST", true);
Thread.Sleep(750);
//----------YJW CODE BEGIN----------
//拼出通道设定字符串
for (int k = 0; k < ChannelConfigStrList.Count; k++)
{
for (int i = 1; i < ChannelConfigStrList[k].Length; i = i + 2)
{
NormalMsg = ChannelConfigStrList[k][0] + ChannelConfigStrList[k][i] + ", " + ChannelConfigStrList[k][i + 1];
//Console.WriteLine(NormalMsg);//若调试字符串取消此注释控制台输出
data_logger.WriteString(NormalMsg, true);//每拼出一条字符串，就送主机执行
}
}
NormalMsg = "";//清空
//拼出全局设定字符串
for (int k = 0; k < GlobalConfigStrList.Count; k++)
{
for (int i = 1; i < GlobalConfigStrList[k].Length; i++)
{
NormalMsg = GlobalConfigStrList[k][0] + GlobalConfigStrList[k][i];
//Console.WriteLine(NormalMsg);//若调试字符串取消此注释控制台输出
data_logger.WriteString(NormalMsg, true);//每拼出一条字符串，就送主机执行
}
}
//----------YJW CODE END----------
// Wait for instrument to setup
//YJW: 确认上述设置已经完成
data_logger.WriteString("*OPC?", true);
rdg = data_logger.ReadString();
// Gets the number of channels to be scanned and is used to determine
// the number of readings.
//YJW: 从主机读回扫描的通道总数，传全局变量
data_logger.WriteString("ROUTe:SCAN:SIZE?", true);
Globls.NumChan = (double)data_logger.ReadNumber(IEEEASCIIType.ASCIIType_R8, true);
// Gets the number of triggers; 34970A/34972A returns a floating-point number.
//YJW: 从主机读回扫描触发的次数，传全局变量
data_logger.WriteString("TRIGger:COUNt?", true);
Globls.TrigCount = (double)data_logger.ReadNumber(IEEEASCIIType.ASCIIType_R8, true);
// Get the delay; for future use; 34970A/34972A returns a floating-point number
//YJW: 从主机读回通道间隔
data_logger.WriteString("ROUTe:CHANnel:DELay? (@101)", true);
DelayVal = (double)data_logger.ReadNumber(IEEEASCIIType.ASCIIType_R8, true);
// Get the trigger time; 34970A/34972A returns a floating-point number
//YJW: 从主机读回扫描触发间隔
data_logger.WriteString("TRIGger:TIMer?", true);
TrigTime = (double)data_logger.ReadNumber(IEEEASCIIType.ASCIIType_R8, true);
// Calculate total number of readings
//YJW: 计算正在扫描的总时间
Globls.NumRdgs = Globls.NumChan * Globls.TrigCount;
// Calculate total time
//YJW: 计算整个测量的总时间
Globls.TotTime = (TrigTime * Globls.TrigCount) - TrigTime + (Globls.NumChan * DelayVal);
// Check and make sure the correct instrument is addressed
//YJW: 再次确认主机身份
data_logger.WriteString("*IDN?", true);
msg = data_logger.ReadString();
//Check for errors
//YJW: 设定查错句柄，因为原来函数名称为Setup,所以传变量是"Setup"
Check_Error("Setup");
return(Globls.TotTime);
}
catch (Exception e)
{
MessageBox.Show(e.Message + "\nin function: Setup", "VISACom");
return(0);
}
}
public void SetCmw500DtvRssiTransmition(String frequency, String amplitude)
{
string strCommand = string.Empty;
string strReturn = string.Empty;
ioTestSet = new FormattedIO488();
//CMW500
try
{
ResourceManager grm = new ResourceManager();
ioTestSet.IO = (IMessage)grm.Open("RS_CMW500", AccessMode.NO_LOCK, 2000, "");
}
catch
{
ioTestSet.IO = null;
}
if ((ioTestSet != null) && (!bDTVON))
{
if ((amplitude == String.Empty) || (Convert.ToDouble(amplitude) > -10))
{
throw new DtvGenException("Amplitude must be between -10 to -65 dBm");
return;
}
if ((frequency == "") || (Convert.ToDouble(frequency) > 803.143) || (Convert.ToDouble(frequency) < 473.143))
{
throw new DtvGenException("Frequency must be between 473.143 to 803.143 Mhz.");
return;
}
ioTestSet.WriteString("*IDN?", true);
Thread.Sleep(3000);
//Verify if DTV wave form can be found
ioTestSet.WriteString("MMEM:CAT? 'D:\\Rohde-Schwarz\\CMW\\Data\\waveform\\'", true);
strReturn = ioTestSet.ReadString();
if (strReturn.Contains("ISDB-Tb_Digital_TV_withPR.wv") == false)
{
throw new DtvGenException("Wave Form Error. Wave Form: \r\n D:\\Rohde-Schwarz\\CMW\\Data\\waveform\\ISDB-Tb_Digital_TV_withPR.wv \r\n Not found !!!");
return;
}
ioTestSet.WriteString("SOUR:GPRF:GEN:ARB:FILE 'D:\\Rohde-Schwarz\\CMW\\Data\\waveform\\ISDB-Tb_Digital_TV_withPR.wv';*OPC?", true);
ioTestSet.WriteString("SOUR:GPRF:GEN:ARB:FILE?", true);
ioTestSet.WriteString("SOUR:GPRF:GEN:BBM ARB;:SOUR:GPRF:GEN:ARB:REP CONT;:SOUR:GPRF:GEN:LIST OPEN;:TRIG:GPRF:GEN:ARB:RETR ON;:TRIG:GPRF:GEN:ARB:AUT ON;*OPC?", true);
ioTestSet.WriteString("SYST:ERR?", true);
ioTestSet.WriteString("*CLS", true);
ioTestSet.WriteString("CONFigure:FDCorrection:USAGe? RF1C", true);
//Set frequency
strCommand = "SOUR:GPRF:GEN1:RFS:FREQ " + frequency + " MHz;*OPC?";
ioTestSet.WriteString(strCommand, true);
ioTestSet.WriteString("SOUR:GPRF:GEN1:STAT ON;*OPC?", true);
Thread.Sleep(5000);
do
{
ioTestSet.WriteString("SOUR:GPRF:GEN1:STAT?", true);
strReturn = ioTestSet.ReadString();
}while (strReturn.Contains("OPEN") == true);
//Set amplitude
strCommand = "SOUR:GPRF:GEN1:RFS:LEV " + amplitude + " dBm;*OPC?";
ioTestSet.WriteString(strCommand, true);
bDTVON = true;
}
else
{
ioTestSet.WriteString("SOUR:GPRF:GEN1:STAT OPEN;*OPC?", true);
bDTVON = false;
}
}
public void SetAgilExmDtvRssiTransmition(String frequency, String amplitude)
{
string strCommand = string.Empty;
string strReturn = string.Empty;
ioTestSet = new FormattedIO488();
//EXM
try
{
ResourceManager grm = new ResourceManager();
ioTestSet.IO = (IMessage)grm.Open("AGILENT_EXT", AccessMode.NO_LOCK, 2000, "");
}
catch
{
ioTestSet.IO = null;
}
if ((ioTestSet != null) && (!bDTVON))
{
if ((amplitude == String.Empty) || (Convert.ToDouble(amplitude) > -10))
{
throw new DtvGenException("Amplitude must be between -10 to -65 dBm");
return;
}
if ((frequency == "") || (Convert.ToDouble(frequency) > 803.143) || (Convert.ToDouble(frequency) < 473.143))
{
throw new DtvGenException("Frequency must be between 473.143 to 803.143 Mhz.");
return;
}
ioTestSet.WriteString("*IDN?", true);
ioTestSet.WriteString("FEED:RF:PORT:OUTP RFIO2;*OPC?", true);
Thread.Sleep(100);
ioTestSet.WriteString("FEED:RF:PORT:INPUT RFIO2;*OPC?", true);
Thread.Sleep(100);
ioTestSet.WriteString("SOUR:AM:STAT OPEN;:SOUR:FM:STAT OPEN;:SOUR:PM:STAT OPEN;:OUTP:MOD ON;*OPC?", true);
Thread.Sleep(100);
ioTestSet.WriteString("*CLS", true);
Thread.Sleep(100);
ioTestSet.WriteString("SYST:ERR?", true);
ioTestSet.WriteString("SOUR:RAD:ARB:STAT OPEN;*OPC?", true);
Thread.Sleep(100);
ioTestSet.WriteString("SOUR:RAD:ARB:CAT?", true);
Thread.Sleep(100);
ioTestSet.WriteString("SOUR:RAD:ARB:WAV 'ISDB-Tb_Digital_TV_HD.wfm';*OPC?", true);
Thread.Sleep(100);
ioTestSet.WriteString("SYST:ERR?", true);
ioTestSet.WriteString("SOUR:RAD:ARB:TRIG:TYPE CONT", true);
Thread.Sleep(100);
ioTestSet.WriteString("SOUR:RAD:ARB:TRIG:TYPE:CONT FREE", true);
Thread.Sleep(100);
ioTestSet.WriteString("SOUR:RAD:ARB:STAT ON;*OPC?", true);
Thread.Sleep(100);
ioTestSet.WriteString("SYST:ERR?", true);
ioTestSet.WriteString("CORR:CSET4:DESC?", true);
Thread.Sleep(100);
ioTestSet.WriteString("CORR:CSET4:DEL;*OPC?", true);
Thread.Sleep(100);
ioTestSet.WriteString("CORR:CSET4:DESC 'Rx RF IO2'", true);
Thread.Sleep(100);
ioTestSet.WriteString("CORR:CSET4:STAT ON;*OPC?", true);
Thread.Sleep(100);
ioTestSet.WriteString("CORR:CSET4:DATA:MERGE 587142857,1.75;*OPC?", true);
Thread.Sleep(100);
ioTestSet.WriteString("CORR:CSET4:COMM 'UUT_RF_CONN2_TO_TESTSET_ALT1_RF';*OPC?", true);
Thread.Sleep(100);
//Set frequency
strCommand = "SOUR:FREQ " + frequency + " MHz;*OPC?";
ioTestSet.WriteString(strCommand, true);
Thread.Sleep(100);
ioTestSet.WriteString("SOUR:GPRF:GEN1:STAT ON;*OPC?", true);
Thread.Sleep(100);
do
{
ioTestSet.WriteString("OUTP?", true);
strReturn = ioTestSet.ReadString();
}while (strReturn.Contains("OPEN") == true);
strCommand = "SOUR:POW " + amplitude + " dBm;*OPC?";
ioTestSet.WriteString(strCommand, true);
bDTVON = true;
}
else
{
ioTestSet.WriteString("OUTP OPEN;*OPC?", true);
bDTVON = false;
}
}
static void Main(string[] args)
{
FunctionsExample DmmClass = new FunctionsExample();
//Create an instance of this class so we can call functions from Main
//For more information on getting started using VISA COM I/O operations see the app note located at:
//http://cp.literature.agilent.com/litweb/pdf/5989-6338EN.pdf
Ivi.Visa.Interop.ResourceManager rm = new Ivi.Visa.Interop.ResourceManager(); //Open up a new resource manager
Ivi.Visa.Interop.FormattedIO488 myDmm = new Ivi.Visa.Interop.FormattedIO488(); //Open a new Formatted IO 488 session
/*
* AGILENT_33220A = "USB0::0x0957::0x0407::MY44021621::0::INSTR"
* AGILENT_33522A = "USB0::0x0957::0x2307::MY50003961::0::INSTR"
*/
try
{
string AGILENT_33220A = "USB0::0x0957::0x0407::MY44021621::0::INSTR";
string AGILENT_33522A = "USB0::0x0957::0x2307::MY50003961::0::INSTR";
myDmm.IO = (IMessage)rm.Open(AGILENT_33220A, AccessMode.NO_LOCK, 2000, ""); //Open up a handle to the DMM with a 2 second timeout
myDmm.IO.Timeout = 500; //You can also set your timeout by doing this command, sets to 3 seconds
//First start off with a reset state
myDmm.IO.Clear(); //Send a device clear first to stop any measurements in process
myDmm.WriteString("*RST", true); //Reset the device
myDmm.WriteString("*IDN?", true); //Get the IDN string
string IDN = myDmm.ReadString();
Console.WriteLine(IDN); //report the DMM's identity
myDmm.WriteString(":OUTP:STAT 0", true); // Disable Output
myDmm.WriteString(":SOUR:FREQ:CW 1.1512 MHZ", true);
DmmClass.CheckDMMError(myDmm); //Check if the DMM has any errors
myDmm.WriteString(":SOUR:VOLT:LEV:IMM:AMPL 0.1 VPP", true);
DmmClass.CheckDMMError(myDmm); //Check if the DMM has any errors
myDmm.WriteString(":SOUR:BURS:PHAS 0", true);
DmmClass.CheckDMMError(myDmm); //Check if the DMM has any errors
System.Threading.Thread.Sleep(5000);
if (true)
{
myDmm.WriteString(":SOUR1:BURS:STAT 0", true);
DmmClass.CheckDMMError(myDmm); //Check if the DMM has any errors
}
myDmm.WriteString(":SOUR:BURS:NCYC 50000", true);
DmmClass.CheckDMMError(myDmm); //Check if the DMM has any errors
myDmm.WriteString(":SOUR:BURS:INT:PER 0.1 S", true);
DmmClass.CheckDMMError(myDmm); //Check if the DMM has any errors
myDmm.WriteString(":SOUR:FREQ?", true);
string FreqRes = myDmm.ReadString();
myDmm.WriteString(":SOUR:BURS:INT:PER?", true);
string PeriodRes = myDmm.ReadString();
myDmm.WriteString(":SOUR:VOLT:LEV:IMM:AMPL?", true);
string AmplitudeRes = myDmm.ReadString();
myDmm.WriteString(":SOUR:BURS:PHAS?", true);
string PhasResult = myDmm.ReadString();
myDmm.WriteString(":SOUR:BURS:NCYC?", true);
string NumCycRes = myDmm.ReadString();
DmmClass.CheckDMMError(myDmm); //Check if the DMM has any errors
Console.WriteLine("Current Values are:" + "Period:" + PeriodRes + "Frequency:" + FreqRes + "Amplitude" + AmplitudeRes + "Phase" + PhasResult + "Cycles" + NumCycRes);
myDmm.WriteString(":SOUR1:BURS:STAT 1", true); // Enable Output
DmmClass.CheckDMMError(myDmm); //Check if the DMM has any errors
myDmm.WriteString(":OUTP:STAT 1", true); // Enable Output
DmmClass.CheckDMMError(myDmm); //Check if the DMM has any errors
}
catch (Exception e)
{
Console.WriteLine("Error occured: " + e.Message);
}
finally
{
//Close out your resources
try { myDmm.IO.Close(); }
catch { }
try { System.Runtime.InteropServices.Marshal.ReleaseComObject(myDmm); }
catch { }
try
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(rm);
}
catch { }
Console.WriteLine("Press any key to continue...");
Console.ReadKey();
}
}
private void btnGetID_Click(object sender, System.EventArgs e)
{
ioDmm.WriteString("*IDN?", true);
this.txtIDString.Text = ioDmm.ReadString();
}
