[E3-hacking] OpenEmbedded and the E3
clawson at amstrad.com
Mon Apr 3 09:54:17 BST 2006
> -----Original Message-----
> From: David Ford [mailto:e3 at slarti.org.uk]
> I've also had a quick look at getting OPIE working, and have got it
> building, however the colours don't work properly. It
> certainly gets as
> far as the calibration screen though.
When we run OPIE re usually do it on top of a kernel where the video driver
has been modified to do the more traditional 5:6:5 encoding of R:G:B rather
than the actual ?:4:4:4 that we use. At the end of the day there are STILL
just four bits for each colour in 5:6:5 so the bottom 1:2:1 are don't care
bits as the passive mode LCD controller in the OMAP cannot go beyond 4 bit
colour and, in fact, it isn't even 4,096 colours either as 1110 and 1111 are
the same colour intensity - there's only 15 distinct levels for R, G and B
so you actually get 3,375 colours.
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