Programming The Control/Timing Lines As Extra Unstrobed Data Lines - National Instruments NI 653 Series User Manual

DIG_Prt_Config
Yes
DIG_In_prt
Read from
Digital Line VI
© National Instruments Corporation
No
Read?
No
DIG_Out_prt
No
Done?
Figure 2-1. Programming Unstrobed I/O in NI-DAQ
Yes
Write to
Digital Line VI
Figure 2-2. Programming Unstrobed I/O in LabVIEW/LabVIEW RT
Programming the Control/Timing Lines as Extra
Unstrobed Data Lines
To use the control/timing lines as extra unstrobed data lines:
• NI-DAQ C Interface—If both sets of control/timing lines are available,
call
DIG_In_Prt
sets of control/timing lines are not available, use
DIG_Out_Line
control/timing lines.
Yes
Only One
Line?
DIG_Line_Config
Yes
DIG_In_Line
No
Single Line?
Read from
Digital Port VI
or
DIG_Out_Prt
to individually read or write to the appropriate
2-5
Chapter 2 Using Your NI 653X
Read?
No
DIG_Out_Line
No
Done?
Write to
Digital Port VI
and set Port Number to
DIG_In_Line
NI 653X User Manual
. If both
4
and