[etherlab-users] Απ: etherlab-users Digest, Vol 135, Issue 8

[Mike Karam]

Well that's true,

however in the rtai_rtdm example there are many functions and variables rtai specific. I modified the code to match that of dc_user example with the B synchronization way, however I'm not sure if my way it's correct, that's why I sent the email. So that a novel example could be written and established in the examples/dc_user.c, or at least, that the author of the change (Graeme) could give his example, code of SYNC_MASTER_TO_REF adopted to dc_user, in the mailing list.

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Από: etherlab-users <etherlab-users-bounces at etherlab.org> εκ μέρους του etherlab-users-request at etherlab.org <etherlab-users-request at etherlab.org>
Στάλθηκε: Πέμπτη, 27 Σεπτεμβρίου 2018 1:00 μμ
Προς: etherlab-users at etherlab.org
Θέμα: etherlab-users Digest, Vol 135, Issue 8

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Today's Topics:

   1. Re: DC user example changed (Miceli Jean-Pierre)


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Message: 1
Date: Thu, 27 Sep 2018 07:49:20 +0000
From: Miceli Jean-Pierre <jean-pierre.miceli at heig-vd.ch>
To: "etherlab-users at etherlab.org" <etherlab-users at etherlab.org>
Subject: Re: [etherlab-users] DC user example changed
Message-ID: <c94a56c7077c443dbcdbe730a8c4ae31 at heig-vd.ch>
Content-Type: text/plain; charset="us-ascii"

Hi Mike, hi all,

Isn't the rtai_rtdm_dc example, with SYNC_MASTER_TO_REF macro enable, showing DC configured as in case B ?

Thanks
J-P

-----Original Message-----
From: etherlab-users [mailto:etherlab-users-bounces at etherlab.org] On Behalf Of Mike Karam
Sent: vendredi, 21 septembre 2018 09:22
To: etherlab-users at etherlab.org
Subject: [etherlab-users] DC user example changed

Hi all,

I'm using the etherlab-1.5.2, kernel 4.9 preempt_rt patched and e1000e card, and I have developed my main program based on dc_user.c from examples. However I saw some posts from Graeme Foot that proposes a better solution to the problem of dc synchronization, with the first slave having the reference clock and the master altering it's application time based on the reference time of the first slave. Graeme, can you provide us with a functional dc_user.c example with the proper lines changed, so that I can understand better the B case you are talking about (The TwinCAT default way)? I searched for any implementation but couldn't find any.

Thanks in advance,
Mike
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