[mythtv-users] Getting lirc working
Angus
sylvania at istop.com
Sat Mar 17 05:45:18 UTC 2007
Jon wrote:
> Angus wrote:
>
>> Jon wrote:
>>
>>> Angus wrote:
>>>
>>>
>>>> Jon wrote:
>>>>
>>>>
>>>>> Angus wrote:
>>>>>
>>>>>
>>>>>
>>>>>> Jon wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>> It sounds like your remote does not repeat keypresses. Does it have a
>>>>>>> LED? If so, does it continue flashing as you hold the button down? If
>>>>>>> not you can use a digital camera pointed at the ir transmitter to confirm.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>> Digital camera, eh?
>>>>>>
>>>>>>
>>>>>>
>>>>> Digital cameras are sensitive to IR light.
>>>>>
>>>>>
>>>>>
>>>>>> Well, as an addendum, after pushing several keys for a while out of
>>>>>> frustration, it finally registered a "gap". So I went through the
>>>>>> process of testing every key, and you can imagine my frustration when I
>>>>>> finished and found every key was coded as 0x0. Here's the less
>>>>>> vacuous-looking part of the config file:
>>>>>> bits 0
>>>>>> eps 30
>>>>>> aeps 100
>>>>>>
>>>>>> one 0 0
>>>>>> zero 0 0
>>>>>> pre_data_bits 32
>>>>>> pre_data 0x800100A7
>>>>>> gap 339993
>>>>>> toggle_bit 0
>>>>>>
>>>>>> Now what do I try?
>>>>>>
>>>>>>
>>>>>>
>>>>> Have you read http://www.linuxtv.org/v4lwiki/index.php/Remote_controllers
>>>>>
>>>>>
>>>>>
>>>> Yes, I have.
>>>>
>>>>
>>>>
>>>>> Specifically,
>>>>> saa7134: Most cards need only the saa7134 driver, but a few need the
>>>>> ir-kbd-i2c helper. Boards known to require ir-kbd-i2c include the Upmost
>>>>> Purple TV and the latest "i-series" Pinnacle PCTV boards (110i, 50i)
>>>>>
>>>>>
>>>>>
>>>> And I've been asking what that means over at v4l, but I haven't
>>>> gotten any response.
>>>>
>>>>
>>> It means you may need to modprobe ir-kdc-i2c before it will work. You
>>>
>>>
>> Ah, yes. But that module loads automatically with saa7134.
>> http://www.mythtv.org/wiki/index.php/KWorld_Global_TV_Terminator#Remote
>> also says that I might need a patch for that, which is apparently got
>> something to do with v4l, but I can't been able to get anyone there to
>> help me with that yet.
>>
>>
>>> might see if you can use the linux input interface instead of lirc.
>>> Open xev and press a few buttons on the remote to see if they register.
>>>
>>>
>> I did, and the results were not remarkable. Anything I pressed
>> returned this:
>> KeyPress event, serial 28, synthetic NO, window 0x1e00001,
>> root 0x45, subw 0x0, time 959597, (-218,-78), root:(400,300),
>> state 0x0, keycode 177 (keysym 0x0, NoSymbol), same_screen YES,
>> XLookupString gives 0 bytes:
>> XmbLookupString gives 0 bytes:
>> XFilterEvent returns: False
>>
>> KeyRelease event, serial 31, synthetic NO, window 0x1e00001,
>> root 0x45, subw 0x0, time 959645, (-218,-78), root:(400,300),
>> state 0x0, keycode 177 (keysym 0x0, NoSymbol), same_screen YES,
>> XLookupString gives 0 bytes:
>> XFilterEvent returns: False
>>
>> Except for the "time" field, this is exactly what was returned with
>> every key I pressed. I get the feeling that means it isn't working here
>> either.
>>
>>
>
> I suspect your remote is not supported by the driver yet. If you are
> feeling adventurous, see the section titled "How to add remote control
> support to a card" at the url above. I once added support for a cx88
> based card before, it's not very difficult.
>
Hang on, it *is* supported. If you search for
SAA7134_BOARD_KWORLD_TERMINATOR in saa7134-cards.c, you'll see what
should be support for my card.
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