[mythtv-users] USB-UIRT under FC6 and lirc 0.8.2 ?

Dan Wilga mythtv-users2 at dwilga-linux1.amherst.edu
Mon Mar 12 14:45:49 UTC 2007

Following up on someone else's suggestion from last week, the problem 
you're having may be due to not having the FTDI driver in your 
kernel. Try this:

   grep -i ftdi /var/log/dmesg

If it's installed, you should get something like:

drivers/usb/serial/usb-serial.c: USB Serial support registered for 
FTDI USB Serial Device
ftdi_sio 1-1:1.0: FTDI USB Serial Device converter detected
drivers/usb/serial/ftdi_sio.c: Detected FT232BM
usb 1-1: FTDI USB Serial Device converter now attached to ttyUSB0
usbcore: registered new driver ftdi_sio
drivers/usb/serial/ftdi_sio.c: v1.4.3:USB FTDI Serial Converters Driver

If you do see this, then verify that you have /dev/ttyUSB0:

   ls -l /dev/ttyUSB0

It's very likely that your init script doesn't provide the correct 
options for the UIRT. If you do have the /dev entry, then try loading 
lirc manually in "no fork" mode to see where it's dying, if at all:

   lircd --driver=usb_uirt_raw --nodaemon --device=/dev/ttyUSB0 

You shouldn't need any modprobe options for this to work.
Dan Wilga                                                        "Ook."

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