Clemens Kirchgatterer (firstname.lastname@example.org)
Wed, 05 May 1999 21:16:56 +0200
Tim Waugh wrote:
> On Wed, 5 May 1999, Clemens Kirchgatterer wrote:
> > i have to read the lcd status from the data lines bovor i can write
> > (or read) data and commands to the panel, but everytime i read the
> > PORT_BASE+0 i get the last written byte back.
> > [...]
> > i have activated EPP-Mode in the BIOS setup, so everthing should be OK.
> EPP isn't the same as bidirectional. What happens if you set it so PS2 in
> the BIOS?
my BIOS Setup has no option for PS2 but:
NORMAL (assuming this is SPP -> unidirectional)
i´ve tested them all, no diffrence!
is it possible that some chipsets must be programmed diffrent? e.g. setting
bit 6 in the control reg.
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This archive was generated by hypermail 2.0b3 on Wed 05 May 1999 - 15:21:22 EDT