Agilent Technologies E4438C Manual de Instruções

Programming GuideAgilent TechnologiesESG Vector Signal GeneratorThis guide applies to signal generator models and associated serial number prefixes li

Getting StartedIntroduction to Remote OperationChapter 14Programming LanguageThe programming language is used along with Standard Commands for Program

Programming ExamplesRS-232 Programming ExamplesChapter 294Interface Check Using Agilent BASIC This example program causes the signal generator to perf

Programming ExamplesRS-232 Programming ExamplesChapter 2 95Interface Check Using VISA and CThis program uses VISA library functions to communicate wit

Programming ExamplesRS-232 Programming ExamplesChapter 296 if(viStatus){ // If operation fails, prompt userprintf("

Programming ExamplesRS-232 Programming ExamplesChapter 2 97Queries Using Agilent BASIC This example program demonstrates signal generator query comman

Programming ExamplesRS-232 Programming ExamplesChapter 298Queries Using VISA and CThis example uses VISA library functions to communicate with the sig

Programming ExamplesRS-232 Programming ExamplesChapter 2 99printf("\n");exit(0);} // Set timeout for

Programming ExamplesRS-232 Programming ExamplesChapter 2100

1013 Programming the Status Register System

Programming the Status Register SystemOverviewChapter 3102OverviewDuring remote operation, you may need to monitor the status of the signal generator

Programming the Status Register SystemOverviewChapter 3 103Figure 3-1 The Overall Status Byte Register System (1 of 2)

Getting StartedUsing GPIBChapter 1 5Using GPIB The GPIB allows instruments to be connected together and controlled by a computer. The GPIB and its ass

Programming the Status Register SystemOverviewChapter 3104Figure 3-2 The Overall Status Byte Register System (2 of 2)

Programming the Status Register SystemStatus Register Bit ValuesChapter 3 105Status Register Bit ValuesEach bit in a register is represented by a deci

Programming the Status Register SystemAccessing Status Register InformationChapter 3106Accessing Status Register Information1. Determine which registe

Programming the Status Register SystemAccessing Status Register InformationChapter 3 107Deciding How to MonitorYou can use either of two methods descr

Programming the Status Register SystemAccessing Status Register InformationChapter 3108Using the Service Request (SRQ) MethodThe programming language,

Programming the Status Register SystemAccessing Status Register InformationChapter 3 109informs the controller that some device on the bus requires se

Programming the Status Register SystemAccessing Status Register InformationChapter 3110Status Register SCPI CommandsMost monitoring of signal generato

Programming the Status Register SystemAccessing Status Register InformationChapter 3 111Table 3-2 Effects of :STATus:PRESetRegister Value after :STATu

Programming the Status Register SystemStatus Byte GroupChapter 3112Status Byte GroupThe Status Byte Group includes the Status Byte Register and the Se

Programming the Status Register SystemStatus Byte GroupChapter 3 113Status Byte RegisterTable 3-3 Status Byte Register BitsBit Description0,1 Unused.

Getting StartedUsing GPIBChapter 16Table 1-2 NI-GPIB Interface Card for PC-Based SystemsInterfaceCardOperatingSystemI/O LibraryLanguages Backplane/BUS

Programming the Status Register SystemStatus Byte GroupChapter 3114Service Request Enable RegisterThe Service Request Enable Register lets you choose

Programming the Status Register SystemStatus GroupsChapter 3 115Status GroupsThe Standard Operation Status Group and the Data Questionable Status Grou

Programming the Status Register SystemStatus GroupsChapter 3116Standard Event Status GroupThe Standard Event Status Group is used to determine the spe

Programming the Status Register SystemStatus GroupsChapter 3 117Standard Event Status RegisterTable 3-4 Standard Event Status Register BitsBit Descrip

Programming the Status Register SystemStatus GroupsChapter 3118Standard Event Status Enable RegisterThe Standard Event Status Enable Register lets you

Programming the Status Register SystemStatus GroupsChapter 3 119Standard Operation Status GroupThe Operation Status Group is used to determine the spe

Programming the Status Register SystemStatus GroupsChapter 3120Standard Operation Condition RegisterThe Standard Operation Condition Register continuo

Programming the Status Register SystemStatus GroupsChapter 3 121Standard Operation Transition Filters (negative and positive)The Standard Operation Tr

Programming the Status Register SystemStatus GroupsChapter 3122Baseband Operation Status GroupThe Baseband Operation Status Group is used to determine

Programming the Status Register SystemStatus GroupsChapter 3 123Baseband Operation Condition RegisterThe Baseband Operation Condition Register continu

Getting StartedUsing GPIBChapter 1 72. Selecting I/O Libraries for GPIBThe I/O libraries are included with your GPIB interface card. These libraries c

Programming the Status Register SystemStatus GroupsChapter 3124Baseband Operation Event Enable RegisterThe Baseband Operation Event Enable Register le

Programming the Status Register SystemStatus GroupsChapter 3 125Data Questionable Status GroupThe Data Questionable Status Group is used to determine

Programming the Status Register SystemStatus GroupsChapter 3126Data Questionable Condition RegisterThe Data Questionable Condition Register continuous

Programming the Status Register SystemStatus GroupsChapter 3 127Data Questionable Transition Filters (negative and positive)The Data Questionable Tran

Programming the Status Register SystemStatus GroupsChapter 3128Data Questionable Event Enable RegisterThe Data Questionable Event Enable Register lets

Programming the Status Register SystemStatus GroupsChapter 3 129Data Questionable Power Status GroupThe Data Questionable Power Status Group is used t

Programming the Status Register SystemStatus GroupsChapter 3130Data Questionable Power Condition RegisterThe Data Questionable Power Condition Registe

Programming the Status Register SystemStatus GroupsChapter 3 131Data Questionable Power Event RegisterThe Data Questionable Power Event Register latch

Programming the Status Register SystemStatus GroupsChapter 3132Data Questionable Frequency Status GroupThe Data Questionable Frequency Status Group is

Programming the Status Register SystemStatus GroupsChapter 3 133Data Questionable Frequency Condition RegisterThe Data Questionable Frequency Conditio

Getting StartedUsing GPIBChapter 184. Verifying GPIB FunctionalityUse the VISA Assistant, available with the Agilent IO Library or the Getting Started

Programming the Status Register SystemStatus GroupsChapter 3134Data Questionable Frequency Event RegisterLatches transition events from the condition

Programming the Status Register SystemStatus GroupsChapter 3 135Data Questionable Modulation Status GroupThe Data Questionable Modulation Status Group

Programming the Status Register SystemStatus GroupsChapter 3136Data Questionable Modulation Condition RegisterThe Data Questionable Modulation Conditi

Programming the Status Register SystemStatus GroupsChapter 3 137Data Questionable Modulation Event RegisterThe Data Questionable Modulation Event Regi

Programming the Status Register SystemStatus GroupsChapter 3138Data Questionable Calibration Status GroupThe Data Questionable Calibration Status Grou

Programming the Status Register SystemStatus GroupsChapter 3 139Data Questionable Calibration Condition RegisterThe Data Questionable Calibration Cond

Programming the Status Register SystemStatus GroupsChapter 3140Data Questionable Calibration Event Enable RegisterThe Data Questionable Calibration Ev

Programming the Status Register SystemStatus GroupsChapter 3 141Data Questionable BERT Status GroupThe Data Questionable BERT Status Group is used to

Programming the Status Register SystemStatus GroupsChapter 3142Data Questionable BERT Condition RegisterThe Data Questionable BERT Condition Register

Programming the Status Register SystemStatus GroupsChapter 3 143or negative (1 to 0).Data Questionable BERT Event RegisterThe Data Questionable BERT E

Getting StartedUsing GPIBChapter 1 9GPIB Function StatementsFunction statements are the basis for GPIB programming and instrument control. These funct

Programming the Status Register SystemStatus GroupsChapter 3144

1454 Downloading and Using Files

Downloading and Using FilesIntroductionChapter 4146IntroductionComputer generated data can be downloaded into your signal generator. Depending on the

Downloading and Using FilesARB Waveform Data DownloadsChapter 4 147ARB Waveform Data DownloadsThe signal generator accepts IQ waveform data downloads.

Downloading and Using FilesARB Waveform Data DownloadsChapter 4148Bit-value and Output PowerBit-value and output-power:• 0 = 0 volts• –32768 gives neg

Downloading and Using FilesARB Waveform Data DownloadsChapter 4 149Waveform Data Storage Path• Volatile memory - waveform memoryIQ waveform data is st

Downloading and Using FilesARB Waveform Data DownloadsChapter 4150Data RequirementsIQ waveform data downloads have the following requirements:• Data m

Downloading and Using FilesARB Waveform Data DownloadsChapter 4 151Downloading Waveforms Two files, a waveform data file and the associated marker fil

Downloading and Using FilesARB Waveform Data DownloadsChapter 4152Example 1FILENAME the waveform file name as it will appear in the signal generator

Downloading and Using FilesARB Waveform Data DownloadsChapter 4 153Downloads to Waveform MemoryNOTE Before downloading files into waveform memory, tur

Getting StartedUsing GPIBChapter 110Remote FunctionThe Agilent BASIC function REMOTE and the other listed I/O library functions cause the signal gener

Downloading and Using FilesARB Waveform Data DownloadsChapter 4154If you have a marker file associated with the data file, use the following command t

Downloading and Using FilesARB Waveform Data DownloadsChapter 4 155Example ProgramsWaveform Generation Using C++ The following program (Metrowerks Co

Downloading and Using FilesARB Waveform Data DownloadsChapter 4156Waveform Downloading Using HP BASIC for Windows The following program will downloa

Downloading and Using FilesARB Waveform Data DownloadsChapter 4 157Program Comments 10: Program file name20: Sets the number of points in the waveform

Downloading and Using FilesARB Waveform Data DownloadsChapter 4158Waveform Downloading Using HP BASIC for UNIX The following program shows you how to

Downloading and Using FilesARB Waveform Data DownloadsChapter 4 159Program Comments 10: Program file name20: Sets the number of points in the waveform

Downloading and Using FilesARB Waveform Data DownloadsChapter 4160Playing a Downloaded WaveformThe following procedure shows you how to load and play

Downloading and Using FilesARB Waveform Data DownloadsChapter 4 161Downloading E443xB Signal Generator Files Download the E443xB type files to the sig

Downloading and Using FilesARB Waveform Data DownloadsChapter 4162Loading files into the above directories does not actually store them in those direc

Downloading and Using FilesARB Waveform Data DownloadsChapter 4 163Example ProgramsWaveform Downloading Using HP BASIC for Windows The following pro

Getting StartedUsing GPIBChapter 1 11VISA Library The VISA library, at this time, does not have a similar command. NI-488.2 Library The NI-488.2 l

Downloading and Using FilesARB Waveform Data DownloadsChapter 4164240 OUTPUT @Esgb;Qwfm_data(*)250 OUTPUT @Esg;END260 ASSIGN @Esg TO *270 ASSI

Downloading and Using FilesARB Waveform Data DownloadsChapter 4 165Waveform Downloading Using HP BASIC for UNIX The following program shows you how t

Downloading and Using FilesARB Waveform Data DownloadsChapter 4166Program Comments 10: Program file name.20 Sets the number of points in the waveform.

Downloading and Using FilesUser File Data DownloadsChapter 4 167User File Data DownloadsThe signal generator accepts user file data downloads. The fil

Downloading and Using FilesUser File Data DownloadsChapter 4168Bit Memory and Binary MemoryUser files can be downloaded to the bit memory or binary me

Downloading and Using FilesUser File Data DownloadsChapter 4 1693. Bit length must be a multiple of 8 (binary downloads only).SCPI specifies data in 8

Downloading and Using FilesUser File Data DownloadsChapter 4170User Files as Data Source for Framed TransmissionSpecifying a user file as the data sou

Downloading and Using FilesUser File Data DownloadsChapter 4 171NOTE The data in PRAM is static. Firmware writes to PRAM once for the configuration se

Downloading and Using FilesUser File Data DownloadsChapter 4172For this protocol configuration, the signal generator’s firmware loads PRAM with the bi

Downloading and Using FilesUser File Data DownloadsChapter 4 173Because timeslots are configured and enabled within the signal generator, a user file

Getting StartedUsing GPIBChapter 112Clear FunctionThe Agilent BASIC function CLEAR and the other listed I/O library functions cause the signal generat

Downloading and Using FilesUser File Data DownloadsChapter 4174Figure 4-3 Repeating Different Length User FilesDownloading User File DataThis section

Downloading and Using FilesUser File Data DownloadsChapter 4 175Preliminary SetupNo preliminary setup is required for user file downloads.Bit Memory D

Downloading and Using FilesUser File Data DownloadsChapter 4176Querying the Waveform Data Use the following SCPI command to query user file data from

Downloading and Using FilesUser File Data DownloadsChapter 4 177Selecting Downloaded User Files as the Transmitted DataUnframed Data The following fro

Downloading and Using FilesUser File Data DownloadsChapter 4178Framed Data The following front panel key presses or remote commands will select the de

Downloading and Using FilesFIR Filter Coefficient DownloadsChapter 4 179FIR Filter Coefficient DownloadsThe signal generator accepts finite impulse re

Downloading and Using FilesFIR Filter Coefficient DownloadsChapter 4180Downloading FIR Filter Coefficient DataUse the following SCPI command line to d

Downloading and Using FilesFIR Filter Coefficient DownloadsChapter 4 181Via the remote interface:[:SOURce]:RADio:<desired format>:FILTer "&

Downloading and Using FilesFIR Filter Coefficient DownloadsChapter 4182Via the remote interface:[:SOURce]:RADio:<desired format>:ARB:FILTer &quo

Downloading and Using FilesDownloads Directly into Pattern RAM (PRAM)Chapter 4 183Downloads Directly into Pattern RAM (PRAM)Typically, the signal gene

Getting StartedUsing GPIBChapter 1 13send.NI-488.2 Library The NI-488.2 library function addresses the GPIB and writes data to the signal generator.

Downloading and Using FilesDownloads Directly into Pattern RAM (PRAM)Chapter 4184NOTE References to pattern RAM (PRAM) are for descriptive purposes on

Downloading and Using FilesDownloads Directly into Pattern RAM (PRAM)Chapter 4 185Via the remote interface:For TDMA formats, send the following SCPI c

Downloading and Using FilesDownloads Directly into Pattern RAM (PRAM)Chapter 4186Downloading in Block FormatNOTE Because there is no parsing, block da

Downloading and Using FilesDownloads Directly into Pattern RAM (PRAM)Chapter 4 187Via the remote interface:For TDMA formats, send the following SCPI c

Downloading and Using FilesDownloads Directly into Pattern RAM (PRAM)Chapter 4188Modulating and Activating the CarrierThe following section explains h

Downloading and Using FilesData Transfer TroubleshootingChapter 4 189Data Transfer TroubleshootingThis section is divided by the following data transf

Downloading and Using FilesData Transfer TroubleshootingChapter 4190Data Requirement RemindersTo avoid direct-download-to-PRAM problems, the following

Downloading and Using FilesData Transfer TroubleshootingChapter 4 191User File Download ProblemsData Requirement RemindersTo avoid user file data down

Downloading and Using FilesData Transfer TroubleshootingChapter 4192Requirement for Continuous User File Data Transmission“Full Data Field” Requiremen

Downloading and Using FilesData Transfer TroubleshootingChapter 4 193In this example, a modified PN9, 511-bit data pattern is to be applied as the dat

iiNoticeThe material contained in this document is provided “as is”, and is subject to being changed, without notice, in future editions.Further, to t

Getting StartedUsing LANChapter 114Using LAN The signal generator can be remotely programmed via a LAN interface and LAN-connected computer using one

Downloading and Using FilesData Transfer TroubleshootingChapter 4194“Pattern RAM Memory Depth” Requirement It is possible to exhaust the available PR

Downloading and Using FilesData Transfer TroubleshootingChapter 4 195User FIR Filter Coefficient File Download ProblemsData Requirement RemindersTo av

Downloading and Using FilesData Transfer TroubleshootingChapter 4196ARB Waveform Data Download ProblemsData Requirement RemindersTo avoid IQ waveform

Index 197Aabort function, 9addressGPIB address, 7IP address, 15AgilentBASIC, 35SICL, 34VISA, 34Agilent BASIC, 4Agilent VISA, 7, 14, 27ARB memory vs.

Index198DOS prompt, 21download libraries, 7, 14downloadingARB waveform data, 147FIR filter coefficient data, 179user files, 167downloading files, 145E

Index 199National Instruments (continued)NI-488.2 include files, 33VISA, 34National Instruments VISA, 7, 14, 27negative transition filter, descriptio

Index200RS-232 (continued)IO libraries, 27overview, 27program examples, 93settings, baud rate, 94verifying operation, 29Ssample command line, 185SCPI,

Index 201status registers (continued)using, 105STB command, 110system requirements, 32Ttalker, 8TCP/IP, 20TELNETexample, 24UNIX, 23using, 21transitio

Index202

Getting StartedUsing LANChapter 1 152. Setting Up the LAN InterfaceFor LAN operation, an IP address must be assigned to the signal generator and the s

Getting StartedUsing LANChapter 1163. Verifying LAN FunctionalityVerify the communications link between the computer and the signal generator remote f

Getting StartedUsing LANChapter 1 17Table 1-12 Ping ResponsesNormal Response for UNIXA normal response to the ping command will be a total of 9 or 10

Getting StartedUsing LANChapter 118Using VXI-11 The signal generator supports the LAN interface protocol described in the VXI-11 standard. VXI-11 is a

Getting StartedUsing LANChapter 1 19Figure 1-2 Show Devices Form

Getting StartedUsing LANChapter 120Using Sockets LAN Sockets LAN is a method used to communicate with the signal generator over the LAN interface usin

Getting StartedUsing LANChapter 1 21Using TELNET LAN TELNET provides a means of communicating with the signal generator over the LAN. The TELNET clien

Getting StartedUsing LANChapter 122Figure 1-3 Connect FormUsing TELNET On a PC With a Host/Port Setting Menu GUI1. On your PC click Start > Run. 2.

Getting StartedUsing LANChapter 1 23Figure 1-4 TELNET WindowThe Standard UNIX TELNET CommandSynopsis telnet [host [port]] Description This command i

Contents iii1. Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Introduction t

Getting StartedUsing LANChapter 124NOTE If your TELNET connection is in line-by-line mode, there is no local echo. This means you cannot see the char

Getting StartedUsing LANChapter 1 25Using FTP FTP allows users to transfer files between the signal generator and any computer connected to the LAN. F

Getting StartedUsing LANChapter 1264. At the password prompt, press enter.You are now in the signal generator’s user directory. Typing help at the com

Getting StartedUsing RS-232Chapter 1 27Using RS-232 The RS-232 serial interface can be used to communicate with the signal generator. The RS-232 conne

Getting StartedUsing RS-232Chapter 1282. Setting Up the RS-232 Interface1. Press Utility > GPIB/RS-232 LAN> RS-232 Setup > RS-232 Baud Rate &

Getting StartedUsing RS-232Chapter 1 293. Verifying RS-232 FunctionalityYou can use the HyperTerminal program available on your computer to verify the

Getting StartedUsing RS-232Chapter 130Agilent Technologies <instrument model name and number>, US40000001,C.02.00Character Format ParametersThe

312 Programming Examples

Programming ExamplesUsing the Programming ExamplesChapter 232Using the Programming Examples The programming examples for remote control of the signal

Programming ExamplesUsing the Programming ExamplesChapter 2 33• C/C++ programming language with the Microsoft Visual C++ 6.0 IDE• National Instruments

ContentsivQueries Using Agilent BASIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Queries Using NI-488.2

Programming ExamplesGPIB Programming ExamplesChapter 234GPIB Programming Examples• “Interface Check using Agilent BASIC” on page 35• “Interface Check

Programming ExamplesGPIB Programming ExamplesChapter 2 35Interface Check using Agilent BASIC This simple program causes the signal generator to perfor

Programming ExamplesGPIB Programming ExamplesChapter 236Interface Check Using NI-488.2 and C++This example uses the NI-488.2 library to verify that th

Programming ExamplesGPIB Programming ExamplesChapter 2 37Interface Check using VISA and CThis program uses VISA library functions and the C language t

Programming ExamplesGPIB Programming ExamplesChapter 238Local Lockout Using Agilent BASICThis example demonstrates the Local Lockout function. Local L

Programming ExamplesGPIB Programming ExamplesChapter 2 39Local Lockout Using NI-488.2 and C++This example uses the NI-488.2 library to set the signal

Programming ExamplesGPIB Programming ExamplesChapter 240cout<<endl;cout <<"The signal generator should now be in local mode\n";r

Programming ExamplesGPIB Programming ExamplesChapter 2 41Queries Using Agilent BASIC This example demonstrates signal generator query commands. The si

Programming ExamplesGPIB Programming ExamplesChapter 242420 END IF430 OUTPUT Sig_gen;"*IDN?" ! Querys for signal generator ID440 EN

Programming ExamplesGPIB Programming ExamplesChapter 2 43Queries Using NI-488.2 and C++This example uses the NI-488.2 library to query different instr

Contents vBaseband Operation Status Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122Data Questionable Status Gr

Programming ExamplesGPIB Programming ExamplesChapter 244cin.ignore(10000,’\n’);ibwrt(sig, ":FREQ:MODE?",11); // Querys source frequency m

Programming ExamplesGPIB Programming ExamplesChapter 2 45Queries Using VISA and CThis example uses VISA library functions to query different instrumen

Programming ExamplesGPIB Programming ExamplesChapter 246getch(); viPrintf(vi, "POW:AMPL?\n"); // Querys the power levelviScanf(vi, "

Programming ExamplesGPIB Programming ExamplesChapter 2 47Generating a CW Signal Using VISA and CThis example uses VISA library functions to control th

Programming ExamplesGPIB Programming ExamplesChapter 248viPrintf(vi, "POW:AMPL -2.3 dBm\n"); // Set the power level to -2.3 dBmviPrintf(vi,

Programming ExamplesGPIB Programming ExamplesChapter 2 49Generating an Externally Applied AC-Coupled FM Signal Using VISA and CIn this example, the VI

Programming ExamplesGPIB Programming ExamplesChapter 250printf("for an AC-coupled FM signal\n");printf("Press any key to continue\n&quo

Programming ExamplesGPIB Programming ExamplesChapter 2 51Generating an Internal AC-Coupled FM Signal Using VISA and CIn this example the VISA library

Programming ExamplesGPIB Programming ExamplesChapter 252viPrintf(vi, "FREQ 900 MHz\n"); // Sets carrier frequency to 700 MHzviPrintf(v

Programming ExamplesGPIB Programming ExamplesChapter 2 53Generating a Step-Swept Signal Using VISA and CIn this example the VISA library is used to se

ContentsviDownloading in Block Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186Modulating and Activatin

Programming ExamplesGPIB Programming ExamplesChapter 254viPrintf(vi, "INIT:CONT ON\n"); // Begins the step sweep operation

Programming ExamplesGPIB Programming ExamplesChapter 2 55Saving and Recalling States Using VISA and CIn this example, instrument settings are saved in

Programming ExamplesGPIB Programming ExamplesChapter 256printf("used to save and recall an instrument’s state\n");printf("\n");viP

Programming ExamplesGPIB Programming ExamplesChapter 2 57Reading the Data Questionable Status Register Using VISA and CIn this example, the signal gen

Programming ExamplesGPIB Programming ExamplesChapter 258viClear(vi); // Clears the signal generator // Prints user information

Programming ExamplesGPIB Programming ExamplesChapter 2 59printf("Press Enter when ready\n");printf("\n");getch();

Programming ExamplesGPIB Programming ExamplesChapter 260Reading the Service Request Interrupt (SRQ) Using VISA and CThis example demonstrates use of t

Programming ExamplesGPIB Programming ExamplesChapter 2 61ViStatus viStatus = 0; // Declares a variable of type ViStatus // for G

Programming ExamplesGPIB Programming ExamplesChapter 262viStatus = viInstallHandler(vi, VI_EVENT_SERVICE_REQ, interupt, rdBuffer);// The next line of

Programming ExamplesGPIB Programming ExamplesChapter 2 63viClose(event); // Closes the eventreturn VI_SUCCESS;}

11 Getting Started

Programming ExamplesLAN Programming ExamplesChapter 264LAN Programming Examples• “VXI-11 Programming Using SICL and C” on page 65• “VXI-11 Programming

Programming ExamplesLAN Programming ExamplesChapter 2 65VXI-11 Programing The signal generator supports the VXI-11 standard for instrument communicati

Programming ExamplesLAN Programming ExamplesChapter 266char buf[256]; // Variable for id stringionerror(I_ERROR_EXIT); // Register SICL error handler

Programming ExamplesLAN Programming ExamplesChapter 2 67// screen. Next the signal generator is set for a -5 dBm power level and then// queried for th

Programming ExamplesLAN Programming ExamplesChapter 268status = viRead(instr, (ViBuf)buffer, MAX_COUNT, &retCount);buffer[retCount]= ’\0’;

Programming ExamplesLAN Programming ExamplesChapter 2 69Sockets LAN Programming using C The program listing shown in “Setting Parameters and Sending Q

Programming ExamplesLAN Programming ExamplesChapter 270The program will run and output a sequence of SCPI commands to the signal generator. The UNIX d

Programming ExamplesLAN Programming ExamplesChapter 2 71Programming Using main1() Function. The int main1() function will output a sequence of comman

Programming ExamplesLAN Programming ExamplesChapter 272Setting Parameters and Sending Queries Using Sockets and CThe following programming examples ar

Programming ExamplesLAN Programming ExamplesChapter 2 73 * routines typically use the lower level read() and write() calls. * * - In the Win

Getting StartedIntroduction to Remote OperationChapter 12Introduction to Remote OperationESG signal generators support the following interfaces: • Gen

Programming ExamplesLAN Programming ExamplesChapter 274# include <unistd.h> /* for getopt(3C) */#endif#define COMMAND_ERROR (1)#defi

Programming ExamplesLAN Programming ExamplesChapter 2 75/*************************************************************************** * > $Function:

Programming ExamplesLAN Programming ExamplesChapter 276 peeraddr_in.sin_family = AF_INET; peeraddr_in.sin_port = htons((unsigned short)portNumbe

Programming ExamplesLAN Programming ExamplesChapter 2 77 **************************************************************************/char * recv_line(S

Programming ExamplesLAN Programming ExamplesChapter 278}/*************************************************************************** * > $Function:

Programming ExamplesLAN Programming ExamplesChapter 2 79 { if (ch == ’#’) { /* binary data encountered - figure out what i

Programming ExamplesLAN Programming ExamplesChapter 280 if (recv_line(sock, result, maxLength) == NULL) break; i

Programming ExamplesLAN Programming ExamplesChapter 2 81 break; } puts(result_str); } while (1);}/************************

Programming ExamplesLAN Programming ExamplesChapter 282/*************************************************************************** * > $Function:

Programming ExamplesLAN Programming ExamplesChapter 2 83 if (optind < argc) { strcat(command, " ");

Getting StartedIntroduction to Remote OperationChapter 1 3InterfacesGPIB GPIB is used extensively when a dedicated computer is available for remote

Programming ExamplesLAN Programming ExamplesChapter 284 long bufBytes; bufBytes = queryInstrument(instSock, command,

Programming ExamplesLAN Programming ExamplesChapter 2 85 { fwrite(" ", 2, 1, stdout) ;

Programming ExamplesLAN Programming ExamplesChapter 286 /*********************************************/ /* open a socket connection to the ins

Programming ExamplesLAN Programming ExamplesChapter 2 87 PRORGAM DESCRIPTION: getopt returns the next option letter in argv (starting from argv[1

Programming ExamplesLAN Programming ExamplesChapter 288 posn = strchr(optstring, c); /* DDP */ if (posn == NULL || c == ’:’) {

Programming ExamplesLAN Programming ExamplesChapter 2 89Sockets LAN Programming Using PERLThis example uses PERL script to control the signal generato

Programming ExamplesLAN Programming ExamplesChapter 290chomp $response; print "Instrument ID: $response\n";

Programming ExamplesLAN Programming ExamplesChapter 2 91Sockets LAN Programming Using Java In this example the Java program connects to the signal gen

Programming ExamplesLAN Programming ExamplesChapter 292 // Setup read/write mechanism BufferedWriter out = ne

Programming ExamplesRS-232 Programming ExamplesChapter 2 93RS-232 Programming Examples• “Interface Check Using Agilent BASIC” on page 94• “Interface C