Data Format; Table 3-3: Data Format: Digital I/O - Addi-Data MSX-E1516 Technical Description

Function description: Digital inputs/outputs

3.7 Data format

tv_sec
4 bytes
Time stamp Time stamp
(in s) low (in μs) high
(if data (if data
format has format has
time stamp) time stamp)
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Table 3-3: Data format: Digital I/O

tv_usec
4 bytes
Mask of the event source:
- Bit 0-15: Status change of the channel
has generated the event
- Bit 16-28 = 0
- Bit 29: Event logic bit is set when the
status of the channel changes
- Bit 30: Synchro trigger has generated
the event
- Bit 31: Hardware trigger has
generated the event
The event may be generated by several
sources at the same time.
Source event mask
4 bytes
17
MSX-E1516
I/O status bitmap
4 bytes
Status of the channels
after latching