[Robotgroup] PIC bootloader from Microchip

[Paul Atkinson]

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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> >
> >
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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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