Command Reference

Table of Contents

add - allows a point to be added to a group.

analog - creates a point of type analog.

apropos - lists all driver commands.

aproposPnts - gets a list of current point names.

aproposSyntax - gives command usage.

attachName - (Deprecated as of Version 4.0) publishes the driver name to the QNX name server.

attachNS - attaches the driver to the Cascade NameServer.

bufferActiveLength - queries or sets the number of active bytes of a buffer.

bufferDescribe - verifies the allocation of data buffers.

bufferUpdate - triggers an I/O cycle of the buffers.

bufferUpdateGroups - triggers an I/O cycle of buffers and point groups.

cardComState - sets or queries the card bus communication state.

cardDescribe - provides a list of the cards available.

cardEnable - sets or queries card enable status.

cardGroup - sets or queries assignments of groups to cards.

cardInit - initializes CIF cards.

cardIoStatus - provides process I/O data exchange status for cards.

cardPoll - sets up or queries card polling parameters.

cardProfile - produces a detailed profile of card attributes.

cardReset - performs a COLD or WARM reset of one or more cards.

cardSwapByteOrder - controls byte order of 16-bit point access.

cardTaskParms - sets or queries the protocol task parameters for CIF cards.

cardTaskState - provides fieldbus device status for cards.

cardVersion - extracts firmware information from a card.

cifDownloadCfg - downloads a Sycon configuration file to the specified card.

cifTelegram - provides formatted access to the CIF message data interface.

cifTelegramBin - sends a telegram and waits for a response.

cifTelegramBinReceive - waits for any telegram to arrive.

cifTelegramBinSend - sends a telegram, and returns immediately without waiting for a reply.

cifTelegramFmt - creates a named format string for cifTelgram.

cycle - changes the cycle time of a point.

cycleModify - queries, changes, or sets the cycle time of a point.

datahub - connects to the Cascade DataHub.

debug - controls amount of debug output.

define - assigns a symbol name to a constant.

describePnt - describes the attributes of a point.

describePntAddr - describes a point's address.

devGet - gives read access to card buffers for low-level debugging.

devSet - gives write access to card buffers for low-level debugging.

digital - creates a point of type digital.

disable - clears the enabled attribute of points.

drcif_ad - starts the CIF Driver.

enable - sets the enabled attribute of points.

errorDescription - provides the text associated with an error code.

exit - shuts down the driver.

group - creates a point of type group.

heartbeat - creates a point of type heartbeat.

include - reads a configuration file.

license - activates the commercial license.

licenseFile - enables the driver license, using a license file.

point - reports datahub exceptions on a point, and writes them.

read - reads the value of a point.

readable - sets the readable attribute of a point.

remove - removes a point from a group.

schedParms - queries or sets the OS scheduling parameters of the driver.

segmentDefine - defines the attributes of a buffer segment.

segmentDescribe - describes the segments of a buffer.

statusPointDefine - names a driver status point.

statusPointValue - gives the value of a driver status point.

taskstarted, taskdied - reserved nserve commands to indicate the start or death of a process.

type - creates macro-like definitions.

typeDesc - associates a descriptive string with a command name.

updateStatus - forces the card flags to be read and processed.

version - reports the version number of the driver.

write - writes a new value to a point.

writable - sets the writable attribute of a point.