User manual

Chapter 3 Software Overview
© National Instruments Corporation 3-85 NI-DAQ User Manual for PC Compatibles
Figure 3-30.
Simultaneous Counter Operation
CTR_Config
CTR_Simul_Op
CTR_EvCount
CTR_Simul_Op
CTR_Simul_Op
CTR_EvRead
Read all counters again?
Ye s
No
CTR_Reset
Call CTR_Config to configure each counter
used for simultaneous operations.
Select all counters for simultaneous operations.
Call
CTR_EvCount for each counter
selected through
CTR_Simul_Op.
Simultaneously start all counters.
Simultaneously save all counter values.
Call
CTR_EvRead to retrieve each counter value.
Call
CTR_Reset for each counter to
terminate event counting.
CTR_Simul_Op
Cancel reservation of counters.