open-source software for talking to the ultra-cheap txtr Beagle e-reader
from a 600x800 pixel pgm image, do
./imgpipe grayscale.pgm | ./zpipe > page.gz
and tweak the beagle_client.py script.
Some more details on http://floe.butterbrot.org/matrix/hacking/txtr/
display=V110 => size=600x800 (10 pixel progress bar at bottom) 1 page = (800*600)/2 + 64 (4bpp, lowest bit always clear)
clean input stream PING
reset everything VIRGIN VIRGINOK
get device info INFO ..... INFOOK
get memory usage info MEMORY ..... MEMORYOK
get books GETBOOKS BOOK ID=.... ..... GETBOOKSOK
disconnect QUIT
pair info GETPARTNER NOPARNTER
set pair info PARTNER ID=8D982A15C9C49900 PARTNEROK
send book BOOK ID=8000000002DF9300 BOOKOK
TITLE V2hpdGUgRmFuZw TITLEOK
AUTHOR TG9uZG9uLCBKYWNr AUTHOROK
PAGE 1 data..... PAGEOK
ENDBOOK ENDBOOKOK
deletebook DELETEBOOK ID=.... DELETEBOOKOK
utilitypage? UTILITYPAGE 1 ..... PAGEOK