Measurement Computing Data Acquisition Systems rev.10.4 - Manual (Page 237)

Programmer’s Manual
908794
Daq API Command Reference 4.5-7
daqGetDeviceInventory
Format
daqGetDeviceInventory(pInfoList, pInfoListCount, pMatchInfo, flags)
Purpose
daqGetDeviceInventory builds a device information list of devices that exist in the Windows Registry and/or devices that
can be dynamically detected
Parameter Summary
Parameter Type Description
pInfoList DaqDevInfoPT Pointer an array of device information structures
pInfoListCount PDWORD Pointer to the number of elements in the device information list
pMatchInfo DaqDevInfoPT Pointer to a device information structure containing device matching information
flags DWORD One or more device information flags
Parameter Values
pInfoList: a pointer to an array of DaqDevInfoT structures (see the DaqDevInfoT table of the daqCreateDevice
function)
pInfoListCount: upon entry, the value that pInfoListCount points to should be set to the number of elements in the
information list array; upon exit, the value that pInfoListCount points to will be set to the number of elements in the
information list that were modified
pMatchInfo: if any of the match info flags are set in the flags parameter, pMatchInfo should point to a device
information structure containing the appropriate match information, otherwise pMatchInfo can be NULL
flags: see the DaqDevInfoFlagsT table below
Parameter Type Definitions
flags – (DaqDevInfoFlagsT)
Definition Description
DaqInfoFlagsCreated
Enables searching the Windows registry for created devices and returns those that
are found
DaqInfoFlagsNotCreated Enables searching the Windows registry for created devices but removes those that
are found
DaqInfoFlagsDetected Enables searching for detectable devices and returns those that are detected
DaqInfoFlagsNotDetected Enables searching for detectable devices but removed those that are detected
DaqInfoFlagsTestPassed Enables testing of detected and/or created devices and returns those that pass the
communications test
DaqInfoFlagsTestFailed Enables testing of detected and/or created devices and returns those that pass the
communications test
DaqInfoFlagsNew Returns devices that are detected, but not yet created (DaqInfoFlagsDetected +
DaqInfoFlagsNotCreated)
DaqInfoFlagsRemoved Returns devices that are created, but failed the communications test
(DaqInfoFlagsCreated + DaqInfoFlagsTestFailed)
DaqInfoFlagsAvailable Returns devices that are created, and passed the communications test
(DaqInfoFlagsCreated + DaqInfoFlagsTestPassed)
DaqInfoFlagsMatchAlias Causes any devices whose alias does not match the specified alias to be removed
from the list
DaqInfoFlagsMatchParentAlias Causes any devices whose parent alias does not match the specified alias to be
removed from the list
DaqInfoFlagsMatchType Causes any devices whose device type does not match the specified device type to be
removed from the list
DaqInfoFlagsMatchSubType Causes any devices whose device type and device sub type do not match the
specified device type and device sub type to be removed from the list
DaqInfoFlagsMatchProdGroup Causes any devices whose device product group does not match the product group of
the specified device type to be removed from the list
DaqInfoFlagsMatchProdFamily Causes any devices whose device product family does not match the product family
of the specified device type to be removed from the list