[mythtv-users] Directv with usb 2 serial adapters

David Snider dsnider at thesniderpad.com
Mon Jul 23 14:54:41 UTC 2007


> and in /var/log/messages
> Jul 22 22:11:38 MYTHTV kernel: usbcore: registered new interface 
> driver usbserial
> Jul 22 22:11:38 MYTHTV kernel: drivers/usb/serial/usb- serial.c: USB 
> Serial support registered for generic
> Jul 22 22:11:38 MYTHTV kernel: usbcore: registered new interface 
> driver usbserial_generic
> Jul 22 22:11:38 MYTHTV kernel: drivers/usb/serial/usb-serial.c: USB 
> Serial Driver core
> Jul 22 22:11:44 MYTHTV kernel: drivers/usb/serial/usb-serial.c: USB 
> Serial support registered for pl2303
> Jul 22 22:11:44 MYTHTV kernel: usbcore: registered new interface 
> driver pl2303
> Jul 22 22:11:44 MYTHTV kernel: drivers/usb/serial/pl2303.c: Prolific 
> PL2303 USB to serial adaptor driver
> Jul 22 22:11:54 MYTHTV kernel: usb 1-2: USB disconnect, address 6
> Jul 22 22:11:57 MYTHTV kernel: usb 1-1: USB disconnect, address 5
> Jul 22 22:12:00 MYTHTV kernel: usb 1-1: new full speed USB device 
> using uhci_hcd and address 7
> Jul 22 22:12:00 MYTHTV kernel: usb 1-1: configuration #1 chosen from 1 
> choice
> Jul 22 22:12:04 MYTHTV kernel: usb 1-2: new full speed USB device 
> using uhci_hcd and address 8
> Jul 22 22:12:04 MYTHTV kernel: usb 1-2: configuration #1 chosen from 1 
> choice
Yep, so you can see the driver loading there, but there is nowhere that 
it attaches to the usb device.   You can see in my dmesg after loading 
the pl2303 driver that it actually attaches to a device file.

drivers/usb/serial/usb-serial.c: USB Serial support registered for pl2303
pl2303 6-2:1.0: pl2303 converter detected
*usb 6-2: pl2303 converter now attached to ttyUSB0*
usbcore: registered new interface driver pl2303
drivers/usb/serial/pl2303.c: Prolific PL2303 USB to serial adaptor driver

I'm still not sure you have a prolific device.   Where did you buy it?   
Here is the model # that I bought.  It works very well.
http://www.amazon.com/GWC-INC-UC-320-Serial-Converter/dp/tech-data/B00007AP2P/ref=de_a_smtd/104-5325225-7522323


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