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#1 Nov. 7, 2005 18:54:34

Mark J.
Registered: 2009-11-02
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[avr-gcc-list] Newbie, downloadable access to list archive


Hi,
I recently joined this list.

I have a project which is for a Scuba video camera housing... ie a
Waterproof housing for a Video Camera - which when buttons are pushed
(magnets passing close to reed switches) - performs various things like
switching (or flashing) some LED's, and sending LANC commands (and
receiving status conditions - ie Record is ON) to the attached video
camera...

The project was on older C51 processors - and using the Kiel C51
compiler - all done under DOS. The code was all busy loops polling
everything...

The CPU is now an ATmega8 device. It needs a complete rewrite -
interrupt driven - etc.

I prefer to work with Linux (Gentoo) and have emerged various AVR stuff.
(Discovered "crossdev" and ran "crossdev --target avr")

Where can I find the (idiots) guide to setting up a development
environment to do this type of thing?

I'd like to get a full copy of the AVR-GCC list (ftp it from somewhere)
so I can read the whole thing before annoying people with my dumb
questions - and are there any other related lists people would
recommend?

Also looking for recommendations on a programmer (Parallel or Serial)
download cable that I can (simply) make myself - and with software. So
far the AvrDude project looks good.

I'm also looking for code examples on using the ATmega8 in an interrupt
fashion (seen some things) and First Prize would be any interrupt based
routines that are available for working with the Sony LANC system
(basically a single wire serial device for both reading and writing
running somewhere at 7200 or 9600 baud).

I've been programming in C on and off since 1980 - but not normally for
these types of devices.


One day - I'm hoping to add some (scuba) Dive Computer functionality and
some how display Time, Depth - etc.... There is an LCD display at the
rear of the housing that plugs into the Video outlet - so one can see
what is being filmed - be lovely to also overlay the display with Diving
Information!

Help!

--
. . ___. .__ Posix Systems - Sth Africa. e.164 VOIP ready
/| /| / /__ - Mark J Elkins, Cisco CCIE
/ |/ |ARK \_/ /__ LKINS Tel: +27 12 807 0590 Cell: +27 82 601 0496


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#2 Nov. 8, 2005 18:14:10

Mark E.
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[avr-gcc-list] Newbie, downloadable access to list archive


On Mon, 2005-11-07 at 18:46 -0600, Thomas Keller wrote:
> On Mon, 2005-11-07 at 20:54 +0200, Mark J Elkins wrote:
> > Hi,
> > I recently joined this list.
> > I have a project which is for a Scuba video camera housing... ie a
> > Waterproof housing for a Video Camera - which when buttons are pushed
> > (magnets passing close to reed switches) - performs various things like
> > switching (or flashing) some LED's, and sending LANC commands (and
> > receiving status conditions - ie Record is ON) to the attached video
> > camera...
>
> Welcome.
>
> If I might offer a tyhought for an improvement. Rather than using
> magnets and reed switches, go with the Quantum Electronics QPROX
> capacitive switch controllers.
>
> These inexpensive, simple to use ICs wil per mit you to create
> "pushbuttons" by etching a simple interdigitated pattern on a small PC
> board, and gluing (or otherwise attaching) it to the inside of your
> housing. Simply place your finger on the holusing over the pattern, and
> the chip will signal a switch closing to your processor. For 4
> switches, I believe the parts cost about $2 each.

Thanks Tom, however,

Those who are into diving will note that top end dive computers (eg the
VR3http://www.vr3.co.uk/come with the same sort of switches I'm
talking about. This Camera Housing is rated down to silly depths (150M).
The Housing is aluminium and never thinner than 5mm. You need Big
Positive buttons - think about cold fingers in neoprene gloves.
I'm also a Dive Instructor (and own a VR3).. (but thanks for the info).

...But this is all off the subject - Has **anyone** got a complete
archive of the mailing list that I can download???



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#3 Nov. 8, 2005 18:36:39

Matthew M.
Registered: 2009-11-02
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[avr-gcc-list] Newbie, downloadable access to list archive


On Tue, Nov 08, 2005 at 08:13:42PM +0200, Mark Elkins wrote:
> ...But this is all off the subject - Has **anyone** got a complete
> archive of the mailing list that I can download???

From the silence I guess that a compressed archive of the mailing
list isn't available. The searchable online archive works fine though
so I would start reading that:http://lists.gnu.org/archive/html/avr-gcc-list/-Matt


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#4 Nov. 8, 2005 20:00:46

Mark E.
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[avr-gcc-list] Newbie, downloadable access to list archive


On Tue, 2005-11-08 at 10:36 -0800, Matthew MacClary wrote:
> On Tue, Nov 08, 2005 at 08:13:42PM +0200, Mark Elkins wrote:
> > ...But this is all off the subject - Has **anyone** got a complete
> > archive of the mailing list that I can download???
>
> From the silence I guess that a compressed archive of the mailing
> list isn't available. The searchable online archive works fine though
> so I would start reading that:

Ouch! Thanks for the reply Matt, read 2001 so far :-(
Looks like the list used to be elsewhere before 2001 - anyone got an
archive of that perhaps?



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#5 Nov. 8, 2005 20:16:59

Joerg W.
Registered: 2009-11-02
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[avr-gcc-list] Newbie, downloadable access to list archive


Mark Elkins <> wrote:

> Looks like the list used to be elsewhere before 2001 - anyone got an
> archive of that perhaps?

The lists used to be elsewhere until February 2005, when Jason Kyle,
the old maintainer (and founder of the list) decided that he no longer
could offer the quality of service needed for such a list by hosting
it on his private machine, and asked for an option to move it onto
some public infrastructure.

Jason did supply all his old archives to the admins of
savannah.nongnu.org, so they could make them available as well. So if
some very old items are missing, this is most likely due to him not
archiving them back in those days. I can't exactly remember when the
list has been founded, but it can't be too much that is missing, it
must have been some time around 2001.

However, you won't really need them other than perhaps for historic
reasons. ;-) A lot of things have evolved over time, and the tips
someone might have given back in those days wouldn't be applicable
to today's tools anyway.

--
cheers, J"org .-.-. --... ...-- -.. . DL8DTLhttp://www.sax.de/~joerg/NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)



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