HP E8491A manual Error handling function

Page 53

}

//********************************************************** // error checking routine

void check (ViSession vi, ViStatus errStatus)

{

ViInt32 inst_err;

ViChar err_message[256];

if(VI_SUCCESS > errStatus)

{

if(INSTR_ERROR == errStatus)

{

// query instrument error

hpe1410_dcl(vi);// send a device clear

hpe1410_error_query(vi, &inst_err, err_message);

// display the error

printf("Instrument Error : %ld, %s\n", inst_err, err_message);

}

else

{

// get driver error message

hpe1410_error_message(vi, errStatus, err_message);

// display the error

printf("HP E1410 Driver Error : %ld, %s\n", errStatus, err_message);

}

hpe1410_reset(vi);// reset the multimeter hpe1410_close(vi);// close the multimeter handle

exit(1);

}

return;

}

//************************************************************** // Error handling function

void err_handler (ViSession vi, ViStatus err)

{

char buf[1024]={0}; viStatusDesc(vi,err,buf); printf("ERROR = %s\n", buf); return;

}

Chapter 3

VXI Programming Using the IEEE 1394 Serial Bus 53

Image 53
Contents Contents Chapter Index Contents HEWLETT-PACKARD Warranty Statement Documentation History Manufacturer’s Name Page Business Reply Mail Page Component Overview Interface Installation ConfigurationAdditional Information VXI Programming Using Ieee 1394 Serial BusInstalling Ieee Host Adapter Interface Installation and ConfigurationLayout of the Adaptec AHA-8940 1394-to-PCI Host Adapter Locating a PCI bus Expansion Slot Connecting the Power Cable Where to go Next Installing HP E8491A InterconnectPage Connecting the HP E8491A to the Host Adapter Instruments Installing VXI InstrumentsInstalling C-size Instruments Shows the installation of A- and B-size instruments Installing A- and B-size InstrumentsPage Interface Installation and Configuration Chapter 10. The HP IO Libraries Program Group Configuring the HP E8491A Interconnect11. The HP IO Libraries IO Config Utility 12. Editing the HP E8491A Configuration Editing the HP E8491A ConfigurationInstrument Drivers InstallingEditing the HP E8491A Configuration on Windows 95 Platforms Verifying the Installation Viewing the Resource Manager Output 17 is a partial listing of a typical resource manager output Page Running the Resource Manager Page VXI Programming Using the Ieee 1394 Serial Bus Block Data Transfers Optimizing ProgramsBlock Transfers using HP VXIplug&play Drivers For i=0 i10 i+=2 Printf%lf\n\n,dataPtri*range/32768 Comments HP Visa Error checking routine Comments TTLTRG7 TTLTRG0 HP E8491A TriggeringItrigall Configuring the E8491A Trig In and Trig Out PortsTurn off the autozero function iprintfe1412, Zeroauto OFF\n Program, ivxitrigroutee8491s, ITRIGEXT0 Locating E8491A Shared Memory Using HP E8491A Shared MemoryLocating Shared Memory Using HP Visa Starting address of E8491A shared Memory hexadecimal #define E8491 VXI00INSTR Storing Readings Shared Memory HP Visa ExampleUnsigned char ViClosefw E8491 Error handling function Storing Readings Shared Memory Sicl Example Ivxirminfoe8491, 0, &info startaddr = info.memstart Comments Ieee 1394 Topology and Terminology Ieee 1394 Fundamentals Interface OverviewTerms shown in -1 are defined in the following table Features of the Ieee 1394 BusIeee Data Transfer Protocol Optimizing the ConfigurationIeee 1394 Fundamentals and Interface Overview Chapter Adaptec AHA-8940 Host Adapter Interface Cable PIN # HP E8491A PC to VXI InterconnectConfiguration Label HP IO Libraries Using the HP E8491A With the HP E1406 Command ModuleGeneral Interface Characteristics VXI CharacteristicsExternal Trigger Output CLKExternal Trigger Input Cooling Trigger DelaysPower Supply Loading Specifications Appendix a Configuration File Overview Editing the HP E8491A Resource Manager ConfigurationPage Page Page Utility Function Overview Using ivxiscPage Iclear Sicl interface name, logical address Page Index MXI Trig In specifications Index