Measurement Computing Data Acquisition Systems rev.10.4 - Manual (Page 264)

4.5-34 Daq API Command Reference
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Programmer’s Manual
daqIOWrite
Also See: daqIORead, daqIOReadBit, daqIOWriteBit
.
Format
daqIOWrite(handle, devType, devPort, whichDevice, whichExpPort, value)
Purpose
daqIOwrite writes to the specified port on the selected device.
Parameter Summary
Parameter Type Description
handle DaqHandleT Handle to the device to perform the IO write
devType DaqIODeviceType IO device type
devPort DaqIODevicePort IO device port selection
whichDevice DWORD IO device instance to write from
whichExpPort DaqIOExpansionPort IO device expansion port to write from
value DWORD Pointer to IO value to write
Parameter Values
handle: obtained from the daqOpen function
devType: see table below
devPort: see table below
whichDevice: valid values range from 0 to 171
whichExpPort: see table below
value: valid values range from 0 to 65,535
Parameter Type Definitions
devType–(DaqIODeviceType)
Definition Description
DiodtLocalBitIO P2 – Local addressing by bit
DiodtLocal8255
P2 – Local addressing on DaqBook/2000 Series, DaqBoard/2000 Series and cPCI
DaqBoard/2000c Series Devices
DiodtP2Local8 P2 – Local addressing by byte
DiodtP3LocalDig16 P3 – Local addressing for HS 16-bit Dig I/O
DiodtP3LocalCtr16 P3 – Local addressing of 16-bit counters
DiodtP2Exp8 P2 – Expansion addressing by byte
DiodtExp8255 DBK20, DBK21
DiodtDbk23 DBK23
DiodtDbk24 DBK24
DiodtDbk25 DBK25
DiodtWbk17 WBK17