Subject:
Re: CUMP and programmers for Linux
From:
Aurelien Jarno ####@####.####
Date:
15 Nov 2001 02:23:28 -0000
Message-Id: <E164C8z-0002ke-00@localhost>
I think it could be very interesting for CUMP. In case you don't want to take
part in this project, it is possible to tell us a bit more ? I mean could you
provide us more information, or schematics ?
Le Mercredi 14 Novembre 2001 22:31, Carlos Nieves Onega a écrit :
> Hi all,
> Well, I think CUMP is a nice project. It started with the wishlist of
> the community, so it has all people expects from something like that.
> I'm doing something simpler, but a bit more flexible, and which is not
> by its own an stand-alone programmer, but it could be, adding the right
> hardware to control it.
> I think, like Alessandro, that you have to approach the design of such a
> thing with layers. I'm doing the bottom layer of a programmer, and if
> you want a stand alone programmer, it could be the next layer, but the
> bottom should be designed to be used both with a PC and with stand-alone
> hardware.
>
> I think I have solved the low-level hardware of a programmer. It allows
> you to control each pin of a 48 pin (or less, if you want) socket
> independently, with programmable sources, from 1.4 to 25V, and read the
> voltage at any pin you want. It is controlled with a serial port, with
> text commands, so it can be controlled by any terminal (idea from the
> CUMP and other programmers). It doesn't need an adapter for every device
> family you want to program, well, at least, if it has a dual in line
> package... and an adapter for any other device can be easily done, since
> you can control any pin of the socket.
> With that, I think you will be able to program anything, even new
> low-voltage devices, using 3.3V or even less, and of course, use it for
> any other thing, like a function generator, or an analyzer, but I'm not
> sure what speed you could expect for that.
> I have finished the design, and I have to start testing it, and program
> the firmware, so I have nothing working yet.
>
> Get it working will take some time, but keep in mind that if you can
> keep it simple and modular, like Alessandro says, you could build an
> extremely good programmer. This is the low-level hardware, and could be
> used by whataever you want.
>
> The software to control all programmers should be build also in simple
> layers, so if any change you want to do could be easily done. If not,
> your software will require some rewriting in some time.
> All of you are thinking of porting some existing programmer you know
> well, like Ic-prog, because that is what you want to get. Well, that's
> right, but I will take a look at some other ways to do that, like the
> one proposed by James Newton, the Engine (the webpage can be found on
> www.piclist.org ). It seems a good way to have an independent layer to
> program any devices, and which could be easily programmed for each new
> device. This could be used by the layer regarding the programming
> protocols.
>
> I don't know if all these mails regarding the programmer and the
> software could be annoying other people in the list (not me). James have
> already suggested to open a new one, or use the CUMP mailing list, so
> maybe it's the time to reopen it...
>
> Regards,
>
> Carlos
>
> P.D. If anyone knows of a device requiring more than a supply voltage
> and a programming voltage to program it, please, let me know.
>
>
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