[sdiy] Odp: Re: ARM Dev Boards Possibly Lunatic Idea
Vladimir Pantelic
vladoman at gmail.com
Sat May 13 10:44:01 CEST 2017
ok, so make this the "show your programming probe" week:
http://vp7.de/swd_probe.jpg
this one is only for field upgrades, normally I have a pogo jig since I also
test other parts of the partly populated PCB.
On 13.05.2017 08:16, Roman wrote:
> This is exactly how I program all my PICs. My "programming pen" isn't so nice,
> it doesn't even look like a pen. Actually it's so ugly that I'm embarassed to
> show any picture. Done it probably 10 years ago with the intention to make
> proper one in spare time next week. Well, that never happened.
>
> By the way that website is full of good stuff! Go and see it all if there's
> anybody except me who haven't seen it already. That guy, Mike Harrison, is a genius!
>
> Roman
>
> Dnia 12 maja 2017 23:37 Richie Burnett <rburnett at richieburnett.co.uk> napisał(a):
>
> I've had success with using this type of improvised "programming pen" for
> in-circuit microcontroller programming before.
>
> http://www.electricstuff.co.uk/penprobe.html
>
> -Richie,
>
>
> -----Original Message-----
> From: Scott Gravenhorst
> Sent: Friday, May 12, 2017 10:22 PM
> To: synth-diy at synth-diy.org <mailto:synth-diy at synth-diy.org>
> Subject: Re: [sdiy] ARM Dev Boards Possibly Lunatic Idea
>
>
> No idea, other than the FTDI port, I don't see a connection that hooks to
> the appropriate pins on
> the ARM to do (for example) parallel programming of the Flash - there are no
> connections to the
> required pins for that. JTAG pins aren't connected. From what I see (and I
> could be "blind"), the
> only way they could have done it is via FTDI or possibly using a socket that
> accepts the SMD part,
> program it first and then solder it, but that seems a bit labor intensive to
> me. The datasheet
> lays out (I believe) 4 methods of programming the Flash, and the schematic
> didn't seem to support
> any except for FTDI. Note though that the FTDI port was just .1" spaces
> holes into which pins
> could be soldered, but the board comes with nothing soldered there. I
> suppose it would be easy
> enough to deal with that using some clip-thingies.
>
> And that's why I'm asking this question here.
>
>
> MTG <grant at musictechnologiesgroup.com> wrote:
>
> How did the developer do it? There must be some kind of ISP connection
> on the board.
>
> On 5/12/2017 12:29 PM, Scott Gravenhorst wrote:
>
>
> Here's a possibly lunatic idea I've been mulling for awhile.
>
> I was thinking that the Tsunami Super WAV Trigger Board has essentially
> everything I'd
> want on a dev board, including the Microchip (Atmel) ATSAMS70N20 ARM
> (and
> again, the
> only reason I'm interested in that particular chip is that the speed is
> almost 40%
> higher than the STmicro ones).
>
> What I first wondered is whether it would be possible to completely
> replace the program
> in it. There is a firmware update function, but I doubt if that
> _completely_ erases and
> replaces the code. If I'm not mistaken (from looking at the schemo and
> reading the
> datasheet) I might be able to program the board through the FTDI port on
> the board.
> However, I'm not sure, so maybe someone here has advice. Anyway, my
> whole idea was to
> buy a second WAV trigger and blow out the WAV trigger program and
> replace
> it with my own
> designs - and use it as a dev board. It's a bit more expensive than the
> other
> selections we've discussed, but failing finding a dev board for
> ATSAMS70N20, if that
> could actually work, I wouldn't mind spending the money. The
> development
> platform for
> the Microchip/Atmel parts is Atmel Studio, which itself is free, but I
> don't know if as
> you use it you find that it needs bits and pieces that cost money - can
> anyone say if
> that is true or not?
>
> So is this total lunacy?
>
> -- ScottG
> ________________________________________________________________________
> -- Scott Gravenhorst
> -- http://scott.joviansynth.com/
> -- When the going gets tough, the tough use the command line.
> -- Matt 21:22
>
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> -- ScottG
> ________________________________________________________________________
> -- Scott Gravenhorst
> -- http://scott.joviansynth.com/
> -- When the going gets tough, the tough use the command line.
> -- Matt 21:22
>
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