[mythtv-users] Channel changing on DCT2524

zoiks2004-ivtv at yahoo.com zoiks2004-ivtv at yahoo.com
Sat Nov 4 08:22:32 UTC 2006


My "channel" function is not working with my new 2nd
tuner, a Motorola DCT2524.  It's similar to a DCT2224,
which happens to be the other tuner in my system. One
catch is I'm using a usb-serial adapter, but that
appears not to be the problem. I can use
"channelchange.py" on the 2524 through the usb-serial
adapter, just not "channel".  (I would like to use
"channel" instead of the python script, as it has been
faster and more reliable on my system thus far.) I
also put the com1 port on the DCT2524 and tried
"channel" but that didn't work either.

Anyhoo, here's the verbose output:

mythtv at capricorn:~$ channel -p /dev/ttyUSB0 -vv 12
Attempting to initialize DCT
SENT: type 0x70, len 2, id 0x04, seq 0x03
Serial timeout
No response to packet
No response to init_1; trying to continue
SENT: type 0x78, len 3, id 0x04, seq 0x03
      data 0x00
Serial timeout
No response to packet
No response to initialize_2
Initialization failed
Attempting to initialize DCT
SENT: type 0x70, len 2, id 0x04, seq 0x03
Serial timeout
No response to packet
No response to init_1; trying to continue
SENT: type 0x78, len 3, id 0x04, seq 0x03
      data 0x00
Serial timeout
No response to packet
No response to initialize_2
Initialization failed
Attempting to initialize DCT
SENT: type 0x70, len 2, id 0x04, seq 0x03
Serial timeout
No response to packet
No response to init_1; trying to continue
SENT: type 0x78, len 3, id 0x04, seq 0x03
      data 0x00
Serial timeout
No response to packet
No response to initialize_2
Initialization failed
Attempting to initialize DCT
SENT: type 0x70, len 2, id 0x04, seq 0x03
Serial timeout
No response to packet
No response to init_1; trying to continue
SENT: type 0x78, len 3, id 0x04, seq 0x03
      data 0x00
Serial timeout
No response to packet
No response to initialize_2
Initialization failed
Attempting to initialize DCT
SENT: type 0x70, len 2, id 0x04, seq 0x03
Serial timeout
No response to packet
No response to init_1; trying to continue
SENT: type 0x78, len 3, id 0x04, seq 0x03
      data 0x00
Serial timeout
No response to packet
No response to initialize_2
Initialization failed
Communication failed after 5 tries
0
mythtv at capricorn:~$ 

And permissions should be right:
mythtv at capricorn:~$ la /dev/ttyUSB?
crw-rw----  1 mythtv users 188, 0 2006-11-04 00:13
/dev/ttyUSB0
crw-rw----  1 root   uucp  188, 1 2004-10-02 01:38
/dev/ttyUSB1
crw-rw----  1 root   uucp  188, 2 2004-10-02 01:38
/dev/ttyUSB2
crw-rw----  1 root   uucp  188, 3 2004-10-02 01:38
/dev/ttyUSB3
mythtv at capricorn:~$ 


Any help would be greatly appreciated. This is the
"channel.c" that came with 0.19-fixes. Thanks!


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