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PICList Thread
'Linux environment'
1997\05\01@181837 by Daryl Sayers

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I am about to become a new lamb in this flock and purchase my first PIC. I
am interested in finding some people that use Linux as their host system.
I will be starting out with the 16C84 but may wish to expand later.

I would like to find:
. An RS232 programing board - I have found several including Jens Madsen
 programmer. Does anyone have a Blank PCB for sale??
. Programming sofware to program the above. I found GNUPIC site but did
 not find RS232 driver.
. An Assembler to compile the for the above. I found Timo Rossi's
 picasm version 1.05. Will this do the job.

Nice but not necessary (Yet).
. A Simulator for Linux. I found nitpic by Dave Madden. Is this still in
 active developement?

Personal success storys of working environments (In Unix) would be most
usefull

Thanks.

1997\05\01@182707 by John Doe

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if you can't find a simulator for the linux enviroment......
just use DOSemu
i run a lot of programs in it.....

1997\05\01@184129 by Byron A Jeff

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>
> I am about to become a new lamb in this flock and purchase my first PIC. I
> am interested in finding some people that use Linux as their host system.
> I will be starting out with the 16C84 but may wish to expand later.

I'll take a stab at it.

Bottom line: I took the lazy way out and use the DOS Emulator under Linux
for development. But I do have some nifty Unix based tools too.

>
> I would like to find:
> . An RS232 programing board - I have found several including Jens Madsen
>   programmer. Does anyone have a Blank PCB for sale??
> . Programming sofware to program the above. I found GNUPIC site but did
>   not find RS232 driver.

Not a whole lot of clues here. Basically any PC based board will work but
the software is is the issue. At one point in time a long time ago I built
David Tait's 16C84 programmer for the parallel port and ported the software.
It worked but was flaky. I bought a PicStart 16B and started using Microchip's
DOS development system under DOSEMU. It works so well I never really took the
time to change back.

Honestly I'm partial to the parallel port solution because there are no
port dependancies required to make it work. Generally the RS-232 programming
solutions steal power from the port, which doesn't have to gurantee to
deliver 12V to the board.

My ideal solution would be to have a Linux driver for the Phoenix upgrade
to the PICstart. Second would be a reliable RS-232 board ideally with
it's own processor so high level commands could be sent to it. Thirdly
would be a RS-232 bit banger that's reliable (i.e. powered from its own
supply).

Any pointers appreciated.

> . An Assembler to compile the for the above. I found Timo Rossi's
>   picasm version 1.05. Will this do the job.

While the notice on my assembler says it isn't for the 16C84, it is. Biggest
problem is that it doesn't output Intel records. Not too hard to fix though.
Guranteed to work on Linux because that's where it was developed.

>
> Nice but not necessary (Yet).
> . A Simulator for Linux. I found nitpic by Dave Madden. Is this still in
>   active developement?

No clue.

>
> Personal success storys of working environments (In Unix) would be most
> usefull

Anyway drop me a line at spam_OUTbyronTakeThisOuTspamcc.gatech.edu and let's talk. Have a totally
Linux based system has been on my agenda list for a while, but I just haven't
gotten to it yet. Maybe we can make some progress together.

BAJ

1997\05\01@184547 by Byron A Jeff

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> Not a whole lot of clues here. Basically any PC based board will work but
> the software is is the issue. At one point in time a long time ago I built
> David Tait's 16C84 programmer for the parallel port and ported the software.
> It worked but was flaky.

Quick Clarification: my implementation and port were flaky. David's design
works quite well. I didn't follow it up because I got the PicStart 16B.

BAJ

1997\05\02@001822 by Dmitry Kiryashov

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Daryl Sayers wrote:
>
> I am about to become a new lamb in this flock and purchase my first PIC. I
> am interested in finding some people that use Linux as their host system.
> I will be starting out with the 16C84 but may wish to expand later.
>
> I would like to find:
> . An RS232 programing board - I have found several including Jens Madsen
>   programmer. Does anyone have a Blank PCB for sale??
I work with Alexay Valdimirov's RS-232 programmer - any information
about
look at http://www.ormix.riga.lv , topic: compic-1

> . Programming sofware to program the above. I found GNUPIC site but did
>   not find RS232 driver.
The same - compic1 simple shell program, designed for MS-DOS,
excellent work in WIN95 too. I think will work in *NIX so without
troubles .

WBR Dmitry.

1997\05\02@054744 by Tim Forcer

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John Doe wrote about several things, including:
>> ..cut... An RS232 programing board..cut...
>
>Not a whole lot of clues here. Basically any PC based board will work but
>the software is is the issue. At one point in time a long time ago I built
>David Tait's 16C84 programmer for the parallel port and ported the software.
>It worked but was flaky. I bought a PicStart 16B and started using Microchip's
>DOS development system under DOSEMU. It works so well I never really took the
>time to change back.
>
>Honestly I'm partial to the parallel port solution because there are no
>port dependancies required to make it work. Generally the RS-232 programming
>solutions steal power from the port, which doesn't have to gurantee to
>deliver 12V to the board.
>
>..cut..

See David Tait's page http://www.man.ac.uk/~mbhstdj/piclinks.html for
pointers to several parallel and serial types.  He's also got a zipped FAQ
file in there somewhere for people whose programmers don't work.  Parallel
ports on PCs are NOT all the same, the latest IEEE 1284 type can cause
problems - I certainly had some (see
http://www.man.ac.uk/~mbhstdj/kitfix.html).  (Anyone without Web access I
can email details on request.)

While any RS232 unit either has to drive handshake lines to achieve the
desired functions or has to incorporate a control PIC to be a true serial
interface, at least the latter type can be debugged using a simple terminal
emulator.  And a three-line (Tx, Rx, Gnd) serial cable isn't going to have
length or termination problems.

The stand-alone vs independantly powered unit is another issue.
Port-powered has to be the ideal, but to what extent can it be achieved
reliably across ports from a wide range of suppliers?  Anyone got experience?

Tim Forcer              .....tmfKILLspamspam@spam@ecs.soton.ac.uk
Department of Electronics & Computer Science
The University of Southampton, UK

The University isn't responsible for my opinions

1997\05\05@142152 by Yura Galayda

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In previous message, Dmitry Kiryashov said:
> Daryl Sayers wrote:
> > I am about to become a new lamb in this flock and purchase my first PIC. I
> > am interested in finding some people that use Linux as their host system.
> > I will be starting out with the 16C84 but may wish to expand later.
> > I would like to find:
> > . An RS232 programing board - I have found several including Jens Madsen
> >   programmer. Does anyone have a Blank PCB for sale??
> I work with Alexay Valdimirov's RS-232 programmer - any information
> about
> look at http://www.ormix.riga.lv , topic: compic-1

Compic-1 don't work under Dosemu, but Compic-5x work fine for me ...

> > . Programming sofware to program the above. I found GNUPIC site but did
> >   not find RS232 driver.
> The same - compic1 simple shell program, designed for MS-DOS,
> excellent work in WIN95 too. I think will work in *NIX so without
> troubles .

Compic-1 this is not real RS232 device, him use COM port for powering
and programing directly, and dosemu can't get real timing ...

Compic-5x this odinary RS232 device which use standart RS232 interface.

--
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Yuri Galayda at SIC Vector R&D Department       yuraspamKILLspamvector.kharkov.ua
PGP public key available  --  finger .....yuraKILLspamspam.....vector.kharkov.ua | pgp -kaf

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