This is great! Thank you Albert!
On Aug 11, 12:32 am, "a.faber" <[email protected]> wrote:
> Hi,
> Just added an additional version of the USB bootloader with autostart. It
> will autostart if the version number
> is not retreived by the host application (PDFSUSB for example).
>
> 1) Flash the bios code (I've also uploaded the hex for 18f2550 & 18f4550
> (same hex file) in the file section of the google code group list)
> 2) Plug in the USB connector
> 3) When you hear the sound that the USB device is recognized, you have to
> select the PICDEM USB 0 (boot) from the combo box in the PDFSUSB host
> application, this will retreive the version number so to auto-start is
> aborted)
> 4) Flash the user application (use the standard -loader18 -no-fuse flags
> when compiling with JALV2 compiler)
> 5) Hit the execute button within the PDFSUSB application
>
> 6) When you unplug the USB connector, and plug it again, it will first
> recognize the bootloader, then wait 10 seconds and the bootloader will start
> the user application.
>
> At the moment it still a bit clumsy, but this can be greatly improved by
> adapting the downloader application on the host side, will look into this
> later-on (and also support for other host platforms than Windows)
>
> Albert
>
> ----- Original Message -----
> From: "funlw65" <[email protected]>
> To: "jallib" <[email protected]>
> Sent: Sunday, August 09, 2009 7:51 PM
> Subject: [jallib] Re: Bootloader on 18F2550
>
> > For 18F2550 I'm interested in bootloader used for 18f14k50 but without
> > the need of start button (autorun after 5 seconds by example).
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