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Routing VXI TTL Trigger Lines in a VXI/MXI System
Use the SICL
ivxitrigroute
if you want to route TTL7 to Trig out, you can use the following SICL function
call in your program:
ivxitrigroute (id, I_TRIG_TTL7, I_TRIG_EXT1);
HP SICL Reference Manual for more information on this and other
See the
SICL functions.
Routing VXI TTL Trigger Lines in a Multiple Mainframe System
When you have multiple mainframes connected via the MXIbus, the TTL
trigger lines are not routed from one mainframe to another. The INTXbus does
not allow multiple INTXbus devices to drive the same TTL trigger line. If
you need TTL trigger lines in the extended VXI mainframes, you need to edit
the
/usr/pil/etc/vxi16/ttltrig.cf
/etc/opt/sicl/vxi16/ttltrig.cf
the TTL trigger line to the source logical address.
The following example illustrates an entry in the
rst column is the TTL trigger line and the second column is the logical
address of the TTL trigger source:
0 0
1 0
2 0
3 0
4 0
5 0
6 0
7 0
(Multiple trigger sources are still allowed on the same line within the same
mainframe.)
In the example above, all TTL trigger lines are sourced by the device at logical
address 0.
The following is an example of what you would see when the resource manager
runs:
function to route VXI trigger lines. For example,
con guration le on HP-UX 9, or the
con guration le on HP-UX 10, to map
ttltrig.cf
Configuring for a VXI/MXI System
le, where the
4-7
4
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