[Robotgroup] PIC bootloader from Microchip

[Paul Atkinson]

Doug,

I'm looking for some of both. I think I'm making this harder than it needs
to be. I'd like to do some simple things with a 12F683 or similar to get
started and move on from there. Debating whether to attend the PIC seminar
on 6/20 as a kick-start.

Thanks for the tip on PICC Lite. I'll go check it out.

Paul

On 6/8/07, Doug Evans <devans at compubotics.com> wrote:
>
> Paul,
>
> I use MPLAB. Are you looking for ASM advice or just how to set up and use
> the IDE?
>
> Don't forget to download the free version of HiTech PICC Lite on the
> HiTech
> web site. It's a very good product for the price!
>
> -de
>
>
>
>
>
>
> -----Original Message-----
> From: robotgroup-bounces at puremagic.com
> [mailto:robotgroup-bounces at puremagic.com]On Behalf Of Paul Atkinson
> Sent: Wednesday, June 06, 2007 3:06 PM
> To: The Robot Group Mailing List
> Subject: Re: [Robotgroup] PIC bootloader from Microchip
>
>
> Any chance of getting some MPLAB pointers from either Gray or Alberto? I'd
> like to try it, but need some coaching.
>
> Paul
>
> On 6/6/07, Alberto Alonso <alberto at ggsys.net> wrote:
> >
> > It is actually a USB bootloader. I think I can get the source for it,
> > but I just didn't want to reinvent the wheel if somebody already
> > had one that worked like I want.
> >
> > I've spent the past 5 days trying to see how fast I can get a
> > constant data stream from the PIC18F2455 and I must say that I was
> > hoping it would be faster. I will post the results once I properly
> > can validate what I am seeing.
> >
> > I didn't get MPLAB working under wine yet. Right now I just VNC from
> > my Linux box to a windows box to do the compile.
> >
> > Alberto
> >
> > On Wed, 2007-06-06 at 10:18 -0700, Gray Mack wrote:
> > > Typically auto download is done using the DTR pin through the extra
> > input on the max232 to a transistor placed across the reset button. If
> the
> > loader you are using is written to send a DTR pulse before initiating
> the
> > transfer then you can get a reset without having to button press each
> time.
> > I dont know if any pic loaders do that or if you can get the source and
> make
> > it so. I have only seen it on other processors like the propeller
> propStick.
> > >
> > > Are you using MPLAB under linux? I heard there are some wine tool
> steps
> > to accomplish this but I havent tried everything yet.
> > > -Gray
> > >
> > >
> > > ----- Original Message ----
> > > From: Robo Al <sp-18561884 at ggsys.net>
> > > To: Austin Robotgroup Mailing List <robotgroup at puremagic.com>
> > > Sent: Tuesday, June 5, 2007 11:24:12 PM
> > > Subject: [Robotgroup] PIC bootloader from Microchip
> > >
> > >
> > > Does anybody have any experience with the above?
> > >
> > > I really like having it, but I am wondering if anybody
> > > has written a way to jump in and out of the bootloader
> > > without hitting any buttons.
> > >
> > > Basically I want my software to reset the board upon
> > > writing the firmware.
> > >
> > > Also, I want to be able to jump to the bootloader from
> > > the firmware without having to press the prog and reset
> > > switches.
> > >
> > > FYI, I am using the UBW from sparkfun and fsusb under
> > > Linux to do this.
> > >
> > > Thanks,
> > >
> > > Alberto
> > >
> > > _______________________________________________
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> > > http://lists.puremagic.com/cgi-bin/mailman/listinfo/robotgroup
> > >
> > >
> > >
> > >
> >
>
> ____________________________________________________________________________
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> > --
> > Alberto Alonso                        Global Gate Systems LLC.
> > (512) 351-7233                        http://www.ggsys.net
> > Hardware, consulting, sysadmin, monitoring and remote backups
> >
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