From: Kyle Harris <kharris@nexus-tech.net>
To: Joe Green <jgreen@mvista.com>
Cc: linuxppc-embedded <linuxppc-embedded@lists.linuxppc.org>
Subject: Re: lcd823.c color macros
Date: Mon, 04 Dec 2000 17:39:52 -0500 [thread overview]
Message-ID: <3A2C1D38.F710DCC@nexus-tech.net> (raw)
In-Reply-To: 00120414244202.00900@minotaur.mvista.com
Joe Green wrote:
>
> On Mon, 04 Dec 2000, Kyle Harris wrote:
> > I don't think the following 2 macros (defined in lcd823.c) work for 8
> > bit color (bit_code = 3).
> >
> > #define NBITS(bit_code) (1 << (bit_code))
> > #define NCOLORS(bit_code) (1 << NBITS(bit_code))
>
> Maybe I'm being thick here, but doesn't NBITS(3) = 8 and
> NCOLORS(3) = 256? What's the problem?
Nope, I'm the one being thick. For some reason I looked at this and
thought it was doing
((bit_code) << 1)
and as usual, all I have to do is send an email for me to discover how
something really works. I apologize for the errant email. I'll try to
limit future ones for real issues.
GIFLI (Gee I Feel Like an Idiot), Kyle.
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
prev parent reply other threads:[~2000-12-04 22:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-12-04 19:04 lcd823.c color macros Kyle Harris
2000-12-04 22:22 ` Joe Green
2000-12-04 22:39 ` Kyle Harris [this message]
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