From: John F. Feist (unwua.alomc@mailit.tunk.net)
Date: Sat Jun 03 2000 - 19:31:15 EEST
You might want to set your dma to 0 on both ports A and B and run in pure
interupt mode. That fixed a lot of problems on my end.
73, John AA6QN
Michel Beaudry wrote:
> Klaus Kudielka wrote:
> >
> > On Fri, Jun 02, 2000 at 11:14:41AM -0400, Michel Beaudry wrote:
> > > Ive compiled the kernel with dmascc driver and the kernel detects the
> > > card as dmascc0 and dmascc1, I tried different combinations of speed and
> > > clocks with dmascc_cfg dmascc0 but the card always keys the radio for
> > > approx 30 seconds.
> > > Is this the driver I should be using ?
> >
> > Yes.
> >
> > > Is dmascc1 the b port ?
> >
> > Yes.
> >
> > How is your modem connected to the B port (i.e. RX clock, TX clock)?
> > How did you call dmascc_cfg?
> >
> > -Klaus
>
> thanks Klaus for your response
>
> /usr/sbin/dmascc_cfg dmascc1 --show
>
> speed = 1200.00
> nrzi = 0
> clocks = 0x08
> txdelay = 400 ms
> txtime = 3.00 s
> sqdelay = .98 ms
> slottime = 100 ms
> waittime = 100 ms
> persists = 63
> dma = 3
>
> I am not sure about the clock and speed settings;the b port is interrupt
> driven and the pi2 card should supplie its own clock
>
> Michel
> ve2bcw
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