30 May
2018
30 May
'18
7:05 a.m.
On Tue, 29 May 2018, Noel Chiappa wrote:
I found this one:
https://minnie.tuhs.org//cgi-bin/utree.pl?file=AUSAM/sys/dmr/dz.c
which seems to be the one you're rhinking of, or close to it.
Not sure; I'm positive that there were two drivers: the one above, and,
aha! One called dz.c-elec, which was the one that I meant.
Ah yes:
/*
* DZ-11 driver
* ------------
*
* OPTIMIZED dz driver to handle multiple dzs as efficiently
* as possible. The efficiency is gained by disabling all
* dz transmitter interrupts and using a KW11-P to generate
* suitable interrupts. Carrier is supported but not Ring.
*
* Ian Johnstone UNSW
* May 1979
*/
Note this bit:
#define NDZ 7 /* no. of dz-11s */
As I said, it went like a bat out of hell :-) You'd be nuts to use
the interrupt per xmit char...
-- Dave