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.

Index

List of Figures

2.1. System Architecture
2.2. Driver Block Data Flow
A.1. Test Scenario Field I/O modules
A.2. Test Panel


Colophon		Chapter 1. Introduction