[mythtv-users] Directv with usb 2 serial adapters
Nick Rout
nick at rout.co.nz
Sun Jul 22 09:12:12 UTC 2007
Tim Litwiller wrote:
>
>
> On 7/21/07, *Nick Rout* <nick at rout.co.nz <mailto:nick at rout.co.nz>> wrote:
>
> Tim Litwiller wrote:
> > I need help from someone who has done this before.
> >
> > This might be more a linux question than mythtv question but it
> > relates to my mythtv setup
> >
> > I am running fedora core 6
> > with 2 directv D12-300 STB's
> >
> > I followed the wiki and got usb to serial adapter cord and nul modem
> > cables that are the same chip as the recommended and I don't get the
> > /dev/ttyUSB* device when I plug them in.
> >
> > So I enabled the 1 serial port on the mother board - and tried that,
> > but I am guessing that I need to specify somewhere the speed to
> > communicate thru the port.
> >
> > Is anyone here willing to step me thru diagnosing why the usb->
> > serial(rs232) ports to initialize correctly? and the see if we
> can get
> > the directv.pl script to make the STB respond?
>
> I guess the first step is to run dmesg, then plug the device in
> and run
> dmesg again to see if the kernel is recognising them.
>
> lsmod and lsusb are also your friends.
>
>
> # lsusb
> Bus 003 Device 001: ID 0000:0000
> Bus 004 Device 001: ID 0000:0000
> Bus 001 Device 005: ID 4348:5523
> Bus 001 Device 001: ID 0000:0000
> Bus 001 Device 004: ID 413c:2003 Dell Computer Corp.
> Bus 002 Device 001: ID 0000:0000
> Bus 002 Device 002: ID 046d:c03e Logitech, Inc. Premium Optical Wheel
> Mouse
> Bus 002 Device 003: ID 0bc7:0004 X10 Wireless Technology, Inc. X10
> Receiver
>
>
>
> this doesn't come in /var/log/dmesg but it come up in
> /var/log/messages when I plug the usb cord in
>
> Jul 21 22:00:33 localhost kernel: usb 1-1: new full speed USB device
> using uhci_hcd and address 5
> Jul 21 22:00:33 localhost kernel: usb 1-1: configuration #1 chosen
> from 1 choice
>
Is a driver loaded? lsmod tells you what drivers are loaded. A
comparison of its output before and after plugging in should give a clue.
If its not being loaded by default try modprobe. I am not 100% sure
which module to load. google should help.
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