Hello:
I tried out PicoGUI on my helio and compare it with the following OSs /
variants that I used previously:
* VT-OS
linux:
===
* vhl-tools (w)
* pocketlinux (preview)
* microwindows (somebody's pvt distro for helio)
first, I'll cut out VT-OS cuz learning a whole new operating system is not
as easy as learning just a new GUI library. And linux is in which I breathe
for the last 4-5 years.
next vhl-tools was a good initiative but the main guy got in NDAs with
pocketlinux, agendacomputing and the big name VTech, so he could post
nothing more on the site obviously... a dead project.
microwindows is not for the helio. Huge libraries and speed issues.
pocketlinux dropped helio and that was a good thing cuz it was more java
less linux and only java on 75MHz was not going to impress anyone anyways.
finally PicoGUI currently my pick and I would like to see it alive. The
response time was perfect, better than VT-OS, tpcal always did work for me
and pico-linux was no exception perfect calibration of the touch panel,
however its a long way to go like virtual keyboard, grafitti recognition,
4bpp theme, silkscreen, buttons, and finally speaker and mic drivers.
about 4bpp the kernel micah has used in the ROM has a 1bpp fbdev driver
compiled in, and its a 2.4.0test1 kernel I saw 2.4.0test7 kernel on image
available at www.kernelconcepts.de/helio with a 4bpp fbdev driver built in,
1bpp has VideoRAM=3KB and 4bpp has four times i.e. 12KB.
I tried earlier to run pgserver on my linux box but it says that fbdev has
incorrect color depth while I had all from 1bpp to 16bpp drivers compiled
with pgserver.
The GUI APIs of picoGUI seem pretty straight forward and I would start
putting together some apps as soon as I can get them to test either on my
linux box or even better the helio itself.
regards,
-debugger
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