[En-Nut-Discussion] Closing PPP properly

[Harald Kipp]

Eduardo,

I'd recommend to use devAhdlc, not devUart. Then make sure
to close devPPP only, not the UART device.

Closing the PPP device will finally result in

   _ioctl(uart_handle, HDLC_SETIFNET, 0);

The HDLC thread is still running, but in an idle loop
and not touching the UART input.

Now comes the tricky part. How to get the modem to
hangup and accept AT coomands? Also see
http://www.ethernut.de/en/nuttecnotes/ntn-1_ppp.html

I must confess, that we always reset the modem and reboot
Ethernut to establish a new connection. :-(

Harald

At 06:38 12.01.2005 +0100, you wrote:
>Hi all,
>
>I'm wondering if there is any way to close a ppp connection and to restart
>another one. I have tried with _close, but it seems some memory remains
>allocated and/or some thread is still running, and further calls to NutChat
>have no effect. Any idea?
>
>Thx and regards,
>
>Eduardo
>
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