[PicForth] Revised PicForth bootloading kit

David McNab david at rebirthing.co.nz
Tue Nov 9 09:29:24 CET 2004


Hi,

I've released an updated version of my PicForth Bootloading Kit:
http://www.freenet.org.nz/pic/picforth/picforth-bootloading.tar.gz

Changes:
  - eliminated need for the 'fix-for-bootloader.fs' include. This
    file was introducing subtle tormenting interrupt-handling bugs,
    and I've since eliminated the need for it altogether.
  - downloader client (pfd.py) now automatically asks the picforth serial
    monitor where the program start vector is, and relocates any code
    between addresses 0..3 in the image to that address
  - fixed bug with image uploading (ie, from PIC back to host)

(If I get a spare moment, I hope to create a cut-down serial-monitor.fs 
which does nothing but bootloading, which consumes a smaller footprint, 
and which uses a more efficient serial protocol (the existing protocol 
is 80% inefficient, which makes downloads take longer than they should)).

-- 
Cheers
David



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