Measurement Computing Personal Daq rev.6.0 - Manual (Page 134)

B-2 API Commands Appendix B, 887095 Personal Daq User’s Manual
Prototype Commands, Listed by Function Type (as defined in driver header files)
Function Description Page
Device Initialization Prototypes
daqOpen Open a session with the Personal Daq B-25
daqOpenList Open, initialize, and prepare devices (specified by the deviceList parameter) B-25
daqClose End communication with the Personal Daq B-18
daqCloseList Close devices opened by daqOpenList B-19
daqOnline Check online status of the Personal Daq B-24
daqGetDeviceCount Return the number of currently configured devices B-21
daqGetDeviceList Return the list of currently configured devices B-21
daqGetDeviceProperties Return the properties of specified device B-21
Error Handler Function Prototypes
daqSetDefaultErrorHandler Set the default error handler B-26
daqSetErrorHandler Specify a user defined routine to call when an error occurs in any command B-26
daqProcessError Process a driver defined error condition B-26
daqGetLastError Return the last logged error condition B-22
daqDefaultErrorHandler Call the default error handler B-20
daqFormatError Return text string for specified error B-20
Event Handling Function Prototypes
daqSetTimeout Set the time-out value for the Personal Daq operation B-27
daqWaitForEvent Wait for specified Personal Daq device event B-28
daqWaitForEvents Wait for multiple specified Personal Daq device events B-28
Utility Function Prototypes
daqGetDriverVersion Return the software version B-22
Expansion Configuration Prototypes
daqSetOption Set options for a device’s channel/signal path configuration B-27
Custom ADC Acquisition Prototypes - Scan Sequence
daqAdcSetMux Configure a scan specifying start and end channels B-12
daqAdcSetScan Configure up to 256 channels making up an A/D or HS digital input scan B-13
daqAdcGetScan Read the current scan configuration B-4
Custom ADC Acquisition Prototypes - Trigger
daqAdcSetTrigEnhanced Configure an A/D trigger with multiple trigger-event conditions B-14
Custom ADC Acquisition Prototypes - Scan Rate and Source
daqAdcSetRate Configure the ADC scan rate with the mode parameter B-12
daqAdcSetFreq Configure the pacer clock frequency in Hz B-11
daqAdcGetFreq Read the current pacer clock frequency B-4
Custom ADC Acquisition Prototypes - Scan Count, Rate and Source
daqAdcSetAcq Set acquisition configuration information B-9
Custom ADC Acquisition Prototypes - Direct-to-Disk
daqAdcSetDiskFile Specify the disk file for direct-to-disk transfers B-10
Custom ADC Acquisition Prototypes - Acquisition Control
daqAdcArm Arm an acquisition B-3
daqAdcDisarm Disarm an acquisition B-4
Custom ADC Acquisition Prototypes - Data Transfer without Buffer Allocation
daqAdcAcqGetStat Returns current state of acquisition B-3
daqAdcTransferBufData Transfer scans from driver-allocated buffer to user-specified buffer B-15
daqAdcTransferSetBuffer Setup a destination buffer for an ADC transfer B-17
daqAdcTransferStart Start an ADC transfer B-18
daqAdcTransferGetStat Retrieve status of an ADC transfer B-16
daqAdcTransferStop Stop an ADC transfer B-18
One-Step ADC Acquisition Prototypes
daqAdcRd Configure an A/D acquisition and read one sample from a channel B-5
daqAdcRdScan Configure an A/D acquisition and read one scan B-7
daqAdcRdN Configure an A/D acquisition and read multiple scans from a channel B-6
daqAdcRdScanN Configure an A/D acquisition and read multiple scans B-8
Data Format and Conversion Prototypes
daqAdcSetDataFormat Set the raw and post-acquisition data formats B-10
daqAdcSetFilter Sets the driver to perform filtering of analog channels B-11
daqCvtRawDataFormat Convert raw data to a specified format B-19
daqCvtSetAdcRange Set the ADC Voltage Range for the conversion routines B-20
General I/O Prototypes - Read/Write
daqIOReadBit Read a DIO bit (channel) B-23
daqIORead Read a DIO byte (8 channels) B-22
daqIOWriteBit Write a DIO bit (channel) B-24
daqIOWrite Write a DIO byte (8 channels) B-23