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'[PICLIST] [PIC] Free Cross Compilers'
2000\11\14@041123 by Ajay Nagarkar

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hi,
are there cross compilers for PIC available ? I also
wanted to know about an RTOS for PIC. Could anyone be
of help ?
ajay



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2000\11\14@051514 by JP.BROWN

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Hi Ajay, there are two free cross compilers that I use, both are good,
the Hi-Tech C compiler is available in a free version (for 16X84 only)
and is called picclite. There is another free compiler based on the CC5X
compiler called cc5xfree this can be used for a wide range of PIC chips
but the total program size is limited to 1K words. A quick search will
turn up links to either package.


On Tue, 14 Nov 2000, Ajay Nagarkar wrote:

> hi,
> are there cross compilers for PIC available ? I also
> wanted to know about an RTOS for PIC. Could anyone be
> of help ?
> ajay
>

         -----  John P. Brown      spam_OUTJ.P.BrownTakeThisOuTspambradford.ac.uk ----
          \            --- Witty remark goes here ---         /
           --------------------------------------------------

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2000\11\14@074754 by Scott Dattalo

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On Tue, 14 Nov 2000, Ajay Nagarkar wrote:

> hi,
> are there cross compilers for PIC available ? I also
> wanted to know about an RTOS for PIC. Could anyone be
> of help ?

you can look at http://www.gnupic.org/ under the compilers section and see
several cross compilers listed. BTW, Rumor has it that someone is porting SDCC
to a PIC.

Scott

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2000\11\14@090732 by mike

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On Tue, 14 Nov 2000 01:00:09 -0800, you wrote:

>hi,
>are there cross compilers for PIC available ? I also
>wanted to know about an RTOS for PIC. Could anyone be
>of help ?
>ajay
Hitech do a free C compiler for the 16F84 - http://www.htsoft.com

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2000\11\14@120027 by Andrew E. Kalman

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>hi,
>are there cross compilers for PIC available ? I also
>wanted to know about an RTOS for PIC. Could anyone be
>of help ?


The Salvo RTOS (http://www.pumpkininc.com) comes with freeware
libraries for use with the HI-TECH PIC C compilers. You'll need to
download the demo version.
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2000\11\14@135825 by w. v. ooijen / f. hanneman

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Did you check the piclist faq? Try
www.piclist.com/techref/default.asp?from=/techref/microchip/&url=lang
uages.htm
Wouter

> hi,
> are there cross compilers for PIC available ? I also
> wanted to know about an RTOS for PIC. Could anyone be
> of help ?
> ajay

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2000\11\14@135831 by w. v. ooijen / f. hanneman

picon face
> you can look at http://www.gnupic.org/ under the compilers section and
see
> several cross compilers listed. BTW, Rumor has it that someone is porting
SDCC
> to a PIC.

Same rumour states that it will take him quite some time....

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2000\11\14@154523 by Wojtek Zabolotny

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On Tue, Nov 14, 2000 at 01:00:09AM -0800, Ajay Nagarkar wrote:
> are there cross compilers for PIC available ? I also
> wanted to know about an RTOS for PIC. Could anyone be
> of help ?

Scott Dattalo (scottspamKILLspamdattalo.com) has announced on the gnupic
list (http://www.gnupic.org), that he is going to port
SDCC (http://sdcc.sourceforge.net) to the PIC target.
I think that it can be very (SDCC is highly optimized)
efficient and REALLY FREE (GPL, open source) C compiler
for PICs.
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2000\11\14@170753 by Stuart O'Reilly

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What is a cross compiler?
Regards
Stuart



Scott Dattalo wrote:
{Quote hidden}

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2000\11\14@171620 by Tony Nixon

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Stuart O'Reilly wrote:
>
> What is a cross compiler?
> Regards
> Stuart

A cranky builder?


A cross compiler can transform code written in one language into
another.

Examples...

C code to assembler.

PIC code to Z80 code.

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2000\11\14@173350 by Douglas Wood

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Well, no. Actually, a cross-compiler (and this applies to a cross-assembler
as well) is a compiler that compiles a languages into a assembly/machine
language for a computer other than the system on which the compiler is
running. A PIC C compiler, for example, is always a cross-compiler because
it produces executable code that will run on a PIC not a PC (for example).

Douglas Wood
Software Engineer


{Original Message removed}

2000\11\14@174141 by Lee Jones

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>> are there cross compilers for PIC available ?

> What is a cross compiler?

A compiler that generates code to run on a target system
which is different from the system hosting the compiler.
One example is a compiler which runs on a PC (also where
the source files are stored) and which generates executable
code for a PIC microcontroller.

Most embedded systems work uses cross compilers as the
target embedded system is incapable of hosting a compiler
(lack of file storage, lack of user interface, etc).

Opposite of a cross compiler is a "native" or straight
compiler.  An example is Microsoft Visual C where it runs
on a PC and creates programs that execute on a PC CPU.

                                               Lee Jones

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2000\11\14@184442 by Bob Ammerman

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----- Original Message -----
From: Tony Nixon <EraseMETony.Nixonspam_OUTspamTakeThisOuTENG.MONASH.EDU.AU>
To: <PICLISTspamspam_OUTMITVMA.MIT.EDU>
Sent: Tuesday, November 14, 2000 5:17 PM
Subject: Re: [PIC] Free Cross Compilers


{Quote hidden}

No, that's not right.

A cross-compiler compiles on one machine (eg: a PC) to generate code for
another machine (eg: a PIC).

Bob Ammerman
RAm Systems
(contract development of high performance, high function, low-level
software)

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2000\11\14@185948 by Tony Nixon

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Bob Ammerman wrote:

> No, that's not right.

My appologies :-)

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Tony

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2000\11\14@220934 by Harold M Hallikainen

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       It's my understanding that the CROSS part is that the compiler runs on a
different platform than the target. So, since we don't run our compilers
on a PIC (!), we use cross-compilers...

Harold


On Wed, 15 Nov 2000 09:17:46 +1100 Tony Nixon
<KILLspamTony.NixonKILLspamspamENG.MONASH.EDU.AU> writes:
{Quote hidden}

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2000\11\15@013815 by w. v. ooijen / f. hanneman

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> > What is a cross compiler?
> A cross compiler can transform code written in one language into
> another.
No, that is what ANY compiler does. A cross compiler runs on system A and
produces code for running on system B. The opposite is a native compiler
(compiler runs on A, produces code for A). Now does anyone know of a native
compiler for PICs ;) ?
Wouter

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2000\11\15@163935 by Tony Nixon

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"w. v. ooijen / f. hanneman" wrote:
>
> > > What is a cross compiler?
> > A cross compiler can transform code written in one language into
> > another.
> No, that is what ANY compiler does. A cross compiler runs on system A and
> produces code for running on system B. The opposite is a native compiler
> (compiler runs on A, produces code for A). Now does anyone know of a native
> compiler for PICs ;) ?
> Wouter

I saw the error of my ways ;-)

I've just finished a native 14 bit 'un-compiler' on a PIC.

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2000\11\19@084558 by Scott Dattalo

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On Tue, 14 Nov 2000, Wojtek Zabolotny wrote:

> On Tue, Nov 14, 2000 at 01:00:09AM -0800, Ajay Nagarkar wrote:
> > are there cross compilers for PIC available ? I also
> > wanted to know about an RTOS for PIC. Could anyone be
> > of help ?
>
> Scott Dattalo (TakeThisOuTscottEraseMEspamspam_OUTdattalo.com) has announced on the gnupic
> list (http://www.gnupic.org), that he is going to port
> SDCC (http://sdcc.sourceforge.net) to the PIC target.
> I think that it can be very (SDCC is highly optimized)
> efficient and REALLY FREE (GPL, open source) C compiler
> for PICs.

Yep, it's true.

I've got SDCC generating output compatible with gpasm (and consequently MPASM).
[which means that linker support will not be available {but it also means that
you'll be able to use SDCC under windows and with MPLAB, etc. (even though the
primary target is Linux) } ]. I'm in the process of creating an automated test
set up with SDCC, gpasm, and gpsim. If you want to keep up with the latest SDCC
progress, I'd suggest lurking on the gnupic mailing list.

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2000\11\21@204141 by Michael Shiloh

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> > Scott Dattalo (RemoveMEscottspamTakeThisOuTdattalo.com) has announced on the gnupic
> > list (http://www.gnupic.org), that he is going to port
> > SDCC (http://sdcc.sourceforge.net) to the PIC target.
> > I think that it can be very (SDCC is highly optimized)
> > efficient and REALLY FREE (GPL, open source) C compiler
> > for PICs.
>
> Yep, it's true.
>
> I've got SDCC generating output compatible with gpasm (and consequently MPASM).
> [which means that linker support will not be available {but it also means that
> you'll be able to use SDCC under windows and with MPLAB, etc. (even though the
> primary target is Linux) } ]. I'm in the process of creating an automated test
> set up with SDCC, gpasm, and gpsim. If you want to keep up with the latest SDCC
> progress, I'd suggest lurking on the gnupic mailing list.

This is great news Scott. I didn't see this on your gnupic web page;
is it still under development or did I just miss it?

Michael

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