Dear Andreas and Jorge
Thanks very much for your help, I was able to get it working with no
trouble at all on PREEMPT_RT. I include the configuration code in case
other users find it helpful (the DC offsets may need to be adjusted).
Regards
James
int s;
for(s = 1; s < oversampling_factor; s++)
{
assert(ecrt_slave_config_pdo_mapping_add(sc, 0x1a00, 0x6000 + s
* 0x0010, 0x01, 16) == 0);
}
for(s = 0; s < oversampling_factor; s++)
{
off_ain[s] = ecrt_slave_config_reg_pdo_entry(sc, 0x6000 + s *
0x0010, 1, domain1, NULL);
}
off_count = ecrt_slave_config_reg_pdo_entry(sc, 0x6800, 1, domain1,
NULL);
ecrt_slave_config_dc(sc, 0x0730, PERIOD_NS / oversampling_factor, 0,
PERIOD_NS, 0);
> -----Original Message-----
> From: Andreas Stewering-Bone [mailto:[email protected]]
> Sent: 17 December 2010 15:45
> To: [email protected]
> Cc: Rowland, James (DLSLtd,RAL,DIA)
> Subject: Re: [etherlab-users] Beckhoff EL3702 and EL4732
>
> Hello James,
>
> It is possible to use this modules,
> but they are real complex slaves.
>
> - First of all you you have to set up a system with good realtime
> behavior.
> - Setup DC
> - Dependend on your oversampling factor you have to calc your pdo
> configuration, please see the entries in the oversampling section of
> the slave
> description.
> - Code your configuration to C
> - Have fun
>
> Greatings
>
> Andreas
>
> Am Donnerstag 16 Dezember 2010 schrieb [email protected]:
> > Hi
> >
> > Please can anyone let me know if they have been able to make
Beckhoff
> > oversampling modules work in oversampling mode. I have a EL3702 and
a
> > EL4732 and I would be very grateful for any examples.
> >
> > Regards
> >
> > James
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