Am 07.03.2013 um 11:31 schrieb andy pugh:
> On 7 March 2013 08:52, Michael Haberler <mai...@mah.priv.at> wrote:
>
>> Therefore, I think the better solution to make halcmd, and maybe
>> hal_lib/ULAP capabable of saving/restoring pin values if they are tagged as
>> 'persistent' (which boils down to an attribute in the pin structure).
>
> Am I right in thinking that the only attributes that pins have now is
> direction?
yes, plus type
> Are you proposing that output pins of components should propagate a
> value back in to the component at startup? (viewing a widget as a
> special case of a HAL component with an output pin)
Let us stay with requirements for the moment, and do the mechanisms derived
from that later once we have agreement:
a) is HAL the right place to do persistence as opposed to the current ad-hack
way
b) what are new subjects of persistence - pins, signals or both; which variety
of pins? ('halcmd save' already is a form of persistence)
c) what is the flow on 'startup', 'intermediate save', and 'shutdown'? Which
entity triggers this, and how?
d) how does the halcmd syntax look like to support the above?
IMO we need to firm up the concept of a HAL session first before that can be
specified in a non-ambiguous fashion
> Otherwise I don't see how persistent pins can work, as they all get
> written with new values every thead.
too early to conclude a mechanism
- Michael
> --
> atp
> If you can't fix it, you don't own it.
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Symantec Endpoint Protection 12 positioned as A LEADER in The Forrester
Wave(TM): Endpoint Security, Q1 2013 and "remains a good choice" in the
endpoint security space. For insight on selecting the right partner to
tackle endpoint security challenges, access the full report.
http://p.sf.net/sfu/symantec-dev2dev
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