[etherlab-users] Etherlab 2.0 generic slave (ec_slave3) port configuration issue
Florian Pose
fp at igh-essen.com
Fri Jan 4 11:27:12 CET 2013
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Hello Rob,
Am 28.12.2012 02:02, schrieb Robert Wilson:
> In the latest EtherLab revision (0d8acc30e5aa) it looks like in
> ecrt_support.c an offset computation gets summed twice for the
> conversion destination. Specifically, in ecs_start():
>
> convert->dst = pdo_map->domain->io_data + pdo_map->offset; + bytes
> * pdo_map->idx;
>
> where pdo_map->offset is already updated in register_pdos() with:
>
> pdo_map->offset += bitlen*pdo_map->idx / 8;
>
> If I remove the "bytes*pdo_map->idx" all of the output pdos have
> the correct byte alignment on the wire and all of the input pdos
> have the correct byte alignment in Simulink, and everything works
> as it did with the RTAI Simulink target. Not sure if this breaks
> other pdo configurations, though.
good point! We fixed that already (2110fa7180ae), but forgot to push
before xmas ;-). Please check, if this is working for you.
- --
Viele Grüße,
Florian
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