gnupic: newbie+pic (advices)
Subject:
Re: newbie+pic (advices)
From:
"joseph greenawalt" ####@####.####
Date:
9 Jan 2003 00:00:44 -0000
Message-Id: <000001c2b770$f4c64590$6301a8c0@useu.respironics.com>
Ditto to that, I asked this question before and blew away my desktop and
forgot to save the email.
Thanks,
----- Original Message -----
From: "David Ewing - OI" ####@####.####
To: "'Byron A Jeff'" ####@####.#### "'Rakotomandimby Mihamina'"
####@####.####
Cc: "'gnupic'" ####@####.####
Sent: Wednesday, January 08, 2003 3:02 PM
Subject: RE: newbie+pic (advices)
Wonderful response Byron - this helps me as well. I have had less
information provided by Microchip in Melbourne than your concise
response!
Cheers
David
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-----Original Message-----
From: Byron A Jeff ####@####.####
Sent: Thursday, January 09, 2003 7:18 AM
To: Rakotomandimby Mihamina
Cc: gnupic
Subject: Re: newbie+pic (advices)
Soory I'm slow responding. Somehow gnupic got edited out of my SPAM
filter files, so gnupic message were going to the SPAM heap. Bummer.
>
> Hi all , happy new year .
> what does a newbie in PICs have to do if he wants to program a PIC
> under linux .
>
> My guess is :
> 1)getting and installing gpasm , coding with it and saving to a file .
Yup.
> 2) byuing a PIC programer
Or building. Check out my TLVP/THVP programmers here:
http://www.finitesite.com/d3jsys
You can be up and running with a 16F877 or 16F628 type part in an
afternoon at very little cost.
> 3) Compiling the saved code( what with ? ),
That's gpasm's job.
> then puttting into the PIC via tha pic-programmer ( what with ?)
There are a number of software programmers. I use a two level approach
with
my 16F877 projects:
A) I use the TLVP/THVP programmer to dump a Wouter van OOijen's WLoader
bootloader into the part using picprg2.3d.
B) I then do in circuit development using Woj Zabolotny's linwload to
interact
with the bootloader.
All of the software and procedures are outlined on my PIC page.
> Am i right ?
Close enough.
> is it ok for all pic devices ?
For the most part. All modern PIC parts.
> Is the Pic" assembler" langage hard to learn ?
Not really. It has the same problem as all assembly languages: not
enough abstraction. So while it's not hard to learn, you will find
yourself getting stuck in quite a bit of detail.
>what's its name ?
PIC assembly ;-)
> Is there any tutorial to learn it ?
Many. One I like is Nigel Goodwin's:
http://www.winpicprog.co.uk/pic_tutorial.htm
Because it specifically uses the 16F628 as opposed to the 16F84 that
most do.
Another possibility is to take a look at a couple of high level
languages which may simplify entry to the game. One is Wouter's JAL:
http://www.voti.nl/jal
Only problem is that Wouter hasn't released a Linux version in a couple
of revisions. One that I took a brief look at but not done any
development in is Wayne C. Gramlich's uCL:
http://web.gramlich.net/projects/ucl/index.html
Which is quite intriguing because it's written in tcl (which means it
will run most anywhere), compiles down to PIC assembly, and is very very
well documented.
Hope this gives you some insight.
BAJ
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