help!?!?

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leeweek@gmail.com's Avatar (by Gravatar)leeweek@gmail.com posted on
June 8, 2006, 12:26 pm
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hi i just joined this group.
how do you program a PICmicro in C or C++ instead of assembly? i dont
know a lick of assembly but have lots of expirience with C/++ i have
the PICkit 1 flash starter kit (programer and demo board) along with
MPLAB and evrything but i cant find a way to compile C and program it
to my micro, i have 1 8pin micro and 5 other 14 pin ones.
could some one please help me??
also i have had some great intrest in BEAM robotics and have build a
few of the simpler devices, but i dont understand bicores and how they
work, pinouts, funtions ext.
i am trying to build a swarm sweeping system for the shop at my shool
(so we dont have to sweep up evry day) i have gone through a long
desighn and engineering process, but have no idea how to implement it
electronically.
help!!
Thank you verry mutch to anybody who responds with any information
whatsoever.
i am a high school student, and i am on the robotics team at our school
we praticipate in (you might have haerd about this) FIRST robotics
competition, so i do know quite a bit about egineerign and desighn of
robots, its just that the electronics is so simple on the robots that
there is little to be learned from connecting wires


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Padu's Avatar (by Gravatar)Padu posted on
June 8, 2006, 1:18 pm
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Re: help!?!?


I like the mikroelektronika (www.http://www.mikroe.com/ ) products. Among
other things, they offer a C compiler for PIC that is free for programs up
to 2K (which is a lot).


Good luck and welcome

Cheers

Padu



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Gordon McComb's Avatar (by Gravatar)Gordon McComb posted on
June 8, 2006, 5:21 pm
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Re: help!?!?


Not a PIC issue, but...

Not (yet) for their AVR compiler, unfortunately. It's a newer product,
and not yet optimized, but it's quite easy to go over the 2K limit with
something like the LCD library and 20 lines of code. This at least on
the Basic front, but their C compiler is along similar development
timelines, so I assume something similar.

For now, I use the ME AVR board, which is superior to anything else I
have, even the STK500, but continue to use Bascom AVR.

-- Gordon

Curt Welch's Avatar (by Gravatar)Curt Welch posted on
June 8, 2006, 2:53 pm
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Re: help!?!?


You need a C compiler. :)


The FIRST robotics systems use the MPLAB IDE along with the MPLAB C18 C
compiler.  They normally program the systems in C I believe (if you do any
programming at all).  I just installed a version yesterday for use with the
Radio Shack VEX robotics system which I bought off the ifirobotics.com web
site for $50 (C-BOT-COMPILER).

I believe the full IDE and C18 compiler from microchip costs more like $500
but works with their entire chip set instead of being limited to only
working with the one(s)? used by First/VEX.  I don't know exactly what you
would need to buy to add to what you already have, but I assume if you
talked to Microchip they could tell you.

I also get the impression that the MPLAB IDE is designed to work with
multiple compilers and languages so you probably have multiple options on
which compiler you can use.

--
Curt Welch                                            http://CurtWelch.Com/
curt@kcwc.com                                        http://NewsReader.Com/

Don McKenzie's Avatar (by Gravatar)Don McKenzie posted on
June 8, 2006, 4:17 pm
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Re: help!?!?



Have a read of:
http://www.dontronics-shop.com/pages.php?pageid#
this should help.

Don...


--
Don McKenzie
E-Mail Contact Page:               http://www.dontronics.com/e-mail.html

Micro,TTL,USB to 1.5" color LCD http://www.dontronics.com/micro-lcd.html
USB,RS232 or TTL to VGA Monitor http://www.dontronics.com/micro-vga.html
World's smallest USB 2 TTL Conv http://www.dontronics.com/micro-usb.html

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zwsdotcom's Avatar (by Gravatar)zwsdotcom posted on
June 8, 2006, 8:45 pm
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Re: help!?!?




Step 1: Purchase, or download in electronic form, the entire published
works of Donatien Aldonse Francois, le Marquis de Sade.

Step 2: Read and enjoy.

Step 3: Once you are comfortable with everything in these texts, you
are ready for a HLL on a PIC.

To quote from the Wikipedia entry on the Marquis de Sade: "Many of
Sade's works contain explicit and often repetitive descriptions of rape
and countless sexual perversions, often involving violence and
transcending the boundaries of the possible. Sade's libertines founded
their philosophy on a purposeful flouting of moral norms and a hatred
of religious ethics. In nature, they say, the strong win and the weak
lose; therefore all laws and ethics, designed as they are to protect
the weak, are seen as unnatural."

This is an approximate description of C or - God! - C++ on a PICmicro.
The architecture is inherently unfriendly to HLLs and programming them
in C/C++ is highly inefficient. If you are using C as your primary
programming language, there are much better choices such as the AVR or
MSP430.

For more information read:

<http://groups.google.com/group/comp.arch.embedded/msg/75e825e0ef66b206>


Vangelis Rokas's Avatar (by Gravatar)Vangelis Rokas posted on
June 9, 2006, 6:38 pm
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Re: help!?!?



You can also check the Simple Device C Compiler (SDCC) compiler.
It comes with two ports, one for the 12-bit PIC cores and one for the
16-bit cores.

Check the website: http://sdcc.sourceforge.net

You can also subscribe to the SDCC user list:

https://lists.sourceforge.net/lists/listinfo/sdcc-user

regards,
Vangelis Rokas



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