To the function ser12_interrupt I added the following printk-statement:
baycom_int_freq(bc);
do {
printk(KERN_INFO "interrupt %d: %d\n", irq, iir & 6); /* THIS ONE */
switch (iir & 6) {
case 6:
Now all I see in dmesg is:
[5391104.760314] baycom_ser_hdx: (C) 1996-2000 Thomas Sailer, HB9JNX/AE4WA
[5391104.760322] baycom_ser_hdx: version 0.10 compiled 20:45:04 Mar 4 2007
[5391105.157757] baycom_ser_hdx: found 4 net devices
[5391110.879166] interrupt 15: 2
[5391110.879198] receive data blabla 1 <-- *1
[5391110.879235] baycom_ser_hdx: ser12 at iobase 0xb808 irq 15 uart 16550A
[5391110.889758] ADDRCONF(NETDEV_CHANGE): bcsh0: link becomes ready
*1: I added also a prinkt-statement to ser12_rx to see if anything comes in
and ditto to ser12_tx.
And even when I ping no more extra debugging comes into dmesg. Also with or
without audio from the radio going trough the baycom-modem: no receive,
interrupt or transmit message passes by in dmesg.
Anyone got an idea what is going wrong here?
On Sun, Mar 04, 2007 at 08:31:02PM +0100, Folkert van Heusden wrote:
> Hi,
>
> I have a baycom-modem connected to a serial-port and a 27mc radio.
> Now after some patching of the baycom_ser_hdx driver (it did now
> allow port addresses above > 0x1000) this runs without errors:
>
> /bin/setserial /dev/ttyS3 uart none
> /sbin/modprobe baycom_ser_hdx mode="ser12*" iobase=0xb808 irq=15
> /usr/bin/sethdlc -i bcsh0 -p mode "ser12*" io 0xb808 irq 15
>
> dmesg then says:
> [5390108.456669] baycom_ser_hdx: (C) 1996-2000 Thomas Sailer, HB9JNX/AE4WA
> [5390108.456675] baycom_ser_hdx: version 0.10 compiled 20:14:52 Mar 4 2007
>
> and sethdlc output is:
> /usr/bin/sethdlc: Version 0.5; (C) 1996-1997 by Thomas Sailer HB9JNX/AE4WA
> driver name: baycom_ser_hdx
> current parameters: mode ser12* io 0xb808 irq 15
> new parameters: mode ser12* io 0xb808 irq 15
>
> I then do:
> ifconfig bcsh0 10.0.0.1 netmask 255.0.0.0 hw ax25 fvh123-1 up multicast
> ifconfig bcsh0 broadcast 10.255.255.255 netmask 255.0.0.0
>
> and after that I do ping 10.0.0.8 as a test.
> Now the radio doesn't switch between receive and transmit every time it
> is supposed to send data. Also I added to the 'ser12_tx' function a
> prinkt-statement which is supposed to show a message when the pc is
> sending via that device: no output there.
>
> So it seems something down the line is incorrect.
>
> How can I debug these problems?
>
> I verified that the rs232 cable is correct (all 9 pins are connected).
>
>
> Folkert van Heusden
>
> --
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Folkert van Heusden
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