Api reference tables – Measurement Computing WaveBook rev.3.0 User Manual
Page 227
WaveBook User’s Manual,
6-24-99
daqX API - Command Reference D-31
API Reference Tables
The following tables provide information for programming with the Daq* Application Programming
Interface. Information includes channel identification and error codes, as well as valid parameter values and
descriptions.
Daq Device Property Definitions - daqGetDeviceProperties
Property
Description
Format
deviceType
Main Chassis Device Type Definition
DWORD
basePortAddress
Port Address (ISA Addr, LPT Port, etc)
DWORD
dmaChannel
DMA Channel (if applicable)
DWORD
protocol
Interface Protocol
DWORD
alias
Device Alias Name
STRING
maxAdChannels
Maximum A/D channels (with full expansion)
DWORD
maxDaChannels
Maximum D/A channels (with full expansion)
DWORD
maxDigInputBits
Maximum Dig. Inputs (with full expansion)
DWORD
maxDigOutputBits
Maximum Dig. Outputs (with full expansion)
DWORD
maxCtrChannels
Maximum Counter/Timers (with full expansion)
DWORD
mainUnitAdChannels
Maximum Main Unit A/D channels (no expansion)
DWORD
mainUnitDaChannels
Maximum Main Unit D/A channels (no expansion)
DWORD
mainUnitDigInputBits
Maximum Main Unit Digital Inputs (no expansion)
DWORD
mainUnitDigOutputBits
Maximum Main Unit Digital Outputs (no expansion)
DWORD
mainUnitCtrChannels
Maximum Main Unit Counter/Timer channels (no exp.)
DWORD
adFifoSize
A/D on-board FIFO Size
DWORD
daFifoSize
D/A on-board FIFO Size
DWORD
adResolution
Maximum A/D Converter Resolution
DWORD
daResolution
Maximum D/A Converter Resolution
DWORD
adMinFreq
Minimum A/D Conversion Scan Frequency (Hz)
FLOAT
adMaxFreq
Maximum A/D Conversion Scan Frequency (Hz)
FLOAT
daMinFreq
Minimum D/A Output Update Frequency (Hz)
FLOAT
daMaxFreq
Maximum D/A Output Update Frequency (Hz)
FLOAT
General Information Selector Definitions -
daqInfo
Definition
Value
Definition
Value
DdiHardwareVersionInfo
0
DdiWbk14ExcSrcOffsetInfo
35
DdiProtocolInfo
1
DdiWgcX1Info
36
DdiChTypeInfo
2
DdiWgcX2Info
37
DdiChOptionTypeInfo
3
DdiWgcX5Info
38
DdiADminInfo
4
DdiWgcX10Info
39
DdiADmaxInfo
5
DdiWgcX20Info
40
DdiChanCountInfo
6
DdiWgcX50Info
41
DdiNVRAMDateInfo
7
DdiWgcX100Info
42
DdiNVRAMTimeInfo
8
DdiWgcX200Info
43
DdiWbk12FilterCutOffInfo
19
DdiPreTrigFreqInfo
44
DdiWbk12FilterTypeInfo
20
DdiPostTrigFreqInfo
45
DdiWbk12FilterModeInfo
21
DdiPreTrigPeriodInfo
46
DdiWbk12PreFilterModeInfo
22
DdiPostTrigPeriodInfo
47
DdiWbk13FilterCutOffInfo
23
DdiOptNVRAMDateInfo
48
DdiWbk13FilterTypeInfo
24
DdiOptNVRAMTimeInfo
49
DdiWbk13FilterModeInfo
25
DdiExtFeatures
50
DdiWbk13PreFilterModeInfo
26
DdiFifoSize
51
DdiWbk14LowPassModeInfo
27
DdiFifoCount
52
DdiWbk14LowPassCutOffInfo
28
DdiSerialNumber
53
DdiWbk14HighPassCutOffInfo
29
DdiAdcClockSource
54
DdiWbk14CurrentSrcInfo
30
DdiWbk14PreFilterModeInfo
31
DdiWbk14ExcSrcWaveformInfo
32
DdiWbk14ExcSrcFreqInfo
33
DdiWbk14ExcSrcAmplitudeInfo
34