[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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