On Wed, Apr 26, 2000 at 08:28:12PM +0800, zhu qun ying wrote:
> Does that means somewhere in the code, there are inversion happens,
> I have not look through the code very carefully? Setting the
> frob_control on those bits actually inverted the result.
No, the hardware inverts them.
> Could you recall which are the inverted bits?
nStrobe, nAutoFd, nSelectIn and Busy I think.
> Yes, it is better than never, will you change that some time? Anyway I will
> change the necessary bits for my usage first.
I'd prefer not to move the drivers even further from the hardware than
they already are. You could always define PARPORT_CTRLINE_nStrobe and so
on and have a function that converts PARPORT_CONTROL_xxx bytes to
PARPORT_CTRLINE_xxx ones or vice versa. That would probably be the
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