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GPIBLab Functions

Although most users access GPIBLab through the dialog based interface, GPIBLab includes over 30 standalone functions. Each function can be incorporated into custom SPL routines or macros to provide specific instrument control capability.

The following table is an alphabetical summary of each function.

GPIBLab Functions

abort488 Regains control of the IEEE-488 bus.
arm488 Allows IEEE-488 device driver interface to detect interrupts from specified sources.
buffered488 Displays the number of bytes sent to a buffer in a buffered transfer.
clear488 Returns specified device to a power-on state.
closeieee488 Closes the IEEE-488 device driver opened by the INIT488 command and places GPIBLab in the unintialized state.
config488 Sets up optional header and terminator bytes to skip for ENTER488 and ENTERB488 commands. Also specifies size of ASCII data values and optional terminator.
disarm488 Disables interrupt handling by the PC.
dma488 Enables/Disables DMA data transfer.
enter488 Enters a buffer of ASCII data from an IEEE-488 instrument to a DADiSP window or displays a text message from an instrument. Addresses the instrument for each data point transferred.
entera488 Enters a buffer of ASCII data from an IEEE-488 instrument to a DADiSP window or displays a text message from an instrument. Addresses the instrument only once for the entire buffer transfer.
enterb488 Enters a buffer of binary data from an IEEE-488 instrument to a DADiSP window.
eol488 Sets the end-of-line terminators for input, output, or both from IEEE-488 device driver.
hello488 Checks communication with the IEEE-488 device driver interface.
init488 Provides DADiSP command control over the IEEE-488 bus.
local488 Returns bus devices to manual operation.
lol488 Inhibits front panel operation of bus devices.
output488 Outputs text commands to IEEE-488 devices.
outputb488 Outputs binary data from a window to IEEE-488 devices.
passcontrol488 Allows IEEE-488 device driver interface to give control to another controller source and enter peripheral mode.
ppc488 Configures a device's service request to a particular data line.
ppd488 Disables the parallel poll response of the specified device.
ppoll488 Requests status information from many bus devices simultaneously in the event of a service request.
ppu488 Disables the parallel poll response of all bus devices.
preamble488 Defines an ASCII preamble string to be sent before the binary data in the OUTPUTB488 command.
remote488 Addresses the specified device to listen, placing it in remote state.
request488 Generates a service request from IEEE-488 device driver when in peripheral mode.
reset488 Provides a warm start of the IEEE bus interface.
resume488 Allows data transfers between two peripheral bus devices.
send488 Allows byte-to-byte control over data transfers and great flexibility in issuing commands.
spoll488 Returns 8-bit device response to a serial poll of a device.
status488 Displays the status of the IEEE-488 bus interface.
timeout488 Specifies length of time allowed for a data byte transfer to be completed.
trigger488 Issues a Group Execute Trigger to specified device.


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