Need help with a serial port

[Jim Cornette]

Steven W. Orr wrote:

>On Sunday, Jan 15th 2006 at 15:29 -0600, quoth Mikkel L. Ellertson:
>
>=>Steven W. Orr wrote:
>=>> My new 'puter came with no serial port. For $2.49 I bought a pci card
>=>> that has two serial ports and a parallel port. I plugged the card in and
>=>> rebooted. At boot kudzu ran but did not detect that anything new was
>=>> going on. When I try to hook up my palm to the serial port I get this
>=>> message:
>=>> 
>=>> 521 > pilot-xfer -p /dev/ttys0 -b .
>=>>    Unable to bind to port: /dev/ttys0
>=>>    Please use --help for more information
>=>> 
>=>> Same for ttyS1.
>=>> 
>=>> Also, here's the output of lspci:
>=>> 
>=>> 523 > lspci
>=>> 05:08.0 Communication controller: NetMos Technology PCI 9835 Multi-I/O
>=>> Controller (rev 01)
>=>> 
>=>This is the I/O card.
>=>> 
>=>> Is there a driver I need to modprobe? Anything I need to do?
>=>> 
>=>> I'm lost. :-(
>=>> 
>=>> TIA
>=>> 
>=>The first thing you probably need is the parport_serial modual. When
>=>you modprobe this modula, it may or may not create the serial ports
>=>you need. I am using one on a Mandriva system, and at one time it
>=>would set up the serial ports as well, but this no longer works for
>=>me. I have to use setserial to set them up now. The other thing to
>=>be aware of is that the ports may be /dev/ttyS4 and /dev/ttyS5.
>=>Ports /dev/ttyS0 through /dev/ttyS3 are usually reserved for the
>=>onboard serial ports. I am not sure how it would be handled in your
>=>case.
>=>
>=>If you have to set the ports up by hand, you will need to run
>=>"lspic -v" to get the port numbers and IRQ. You should see something
>=>like this:
>=>
>=>02:0a.0 Communication controller: NetMos Technology PCI 9835
>=>Multi-I/O Controller (rev 01)
>=>        Subsystem: LSI Logic / Symbios Logic 1P2S
>=>        Flags: medium devsel, IRQ 21
>=>        I/O ports at 1090 [size=8]
>=>        I/O ports at 1098 [size=8]
>=>        I/O ports at 10a0 [size=8]
>=>        I/O ports at 10a8 [size=8]
>=>        I/O ports at 10b0 [size=8]
>=>        I/O ports at 1080 [size=16]
>=>
>=>The first 2 ports are the serial ports. What I did was create a file
>=>/etc/rc.d/rc.serial that looks like this:
>=>
>=>#!/bin/bash
>=>#
>=>#Configure extra serial ports.
>=>#
>=>/bin/setserial /dev/ttyS2 uart 16550A port 0x1090 irq 21 baud_base
>=>115200 spd_normal
>=>/bin/setserial /dev/ttyS3 uart 16550A port 0x1098 irq 21 baud_base
>=>115200 spd_normal
>=>
>=>If you have to go this route, you will probably want to use ttyS0
>=>and ttyS1 instead of ttyS2 and ttyS3.
>
>Ok. Now we're talking. I do have parport_serial and parport loaded. 
>Knowing to look at ttyS[45] helped.
>
>523 > setserial -a /dev/ttyS4
>/dev/ttyS4, Line 4, UART: 16550A, Port: 0x8000, IRQ: 11
>        Baud_base: 115200, close_delay: 50, divisor: 0
>        closing_wait: 3000
>        Flags: spd_normal skip_test
>
>*524 > setserial -a /dev/ttyS5
>/dev/ttyS5, Line 5, UART: 16550A, Port: 0x8400, IRQ: 11
>        Baud_base: 115200, close_delay: 50, divisor: 0
>        closing_wait: 3000
>        Flags: spd_normal skip_test
>
>525 > 
>
>I'm almost there. Now if I run
>
>pilot-xfer -p /dev/ttyS4 -b .
>
>or also on ttyS5
>
>instead of saying    Unable to bind to port: 
>
>I now get the correct message:
>   Listening for incoming connection on /dev/ttyS5... 
>
>But if I then hit the button on the Palm, they both just hang there. Any 
>idea what I can do next? Is it still possible that this is not a supported 
>card?
>
>TIA
>
>  
>
Maybe kudzu needs to detect the palm or you need to specify the desired 
baud rate. With cameras, the camera program detects the camera. Do palm 
pilots use a similar program?
You know the com ports anyway, a little progress.

Jim

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