National Instruments DAQCard-6533 User Manual page 45

High-speed digital i/o devices
Table of Contents

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Chapter 2
Using Your NI 653X
DIG_Grp_Config
DIG_Grp_Mode
Yes
Continuous?
No
Yes
Read?
No
NI 653X User Manual
Yes
No
Read?
DIG_DB_Config
DIG_Block_In
DIG_Block_Out
Figure 2-11. Programming Buffered Handshaking I/O in NI-DAQ C API
DIG_Block_In
DIG_DB_HalfReady
DIG_Block_Out
DIG_Block_Check
No
2-24
No
next half buffer
Yes
DIG_DB_Transfer
No
Acquisition
Complete?
Yes
Yes
Acquisition
DIG_Block_Clear
Complete?
Is the
ready?
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