[mythtv-users] Getting lirc working

[Angus]

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.

>   
>>> Otherwise, you might try the linuxtv mailing list.
>>>   
>>>       
>>     I might as well try there now.
>>
>>     
>>>>> Angus wrote:
>>>>>   
>>>>>       
>>>>>           
>>>>>> I'm trying to use the remote through lirc, but help and documentation is 
>>>>>> scarce. I have a KWorld Global Terminator TV card (saa7134-based) with a 
>>>>>> built-in IR. The cat /proc/bus/input/devices for which gives:
>>>>>> I: Bus=0001 Vendor=1131 Product=0000 Version=0001
>>>>>> N: Name="saa7134 IR (V-Stream Studio TV "
>>>>>> P: Phys=pci-0000:01:07.0/ir0
>>>>>> S: Sysfs=/class/input/input2
>>>>>> H: Handlers=kbd event2
>>>>>> B: EV=100003
>>>>>> B: KEY=2c0814 100004 0 0 0 4 2008000 2090 2001 1e0000 4400 0 ffc
>>>>>> FWIW. I've been trying irrecord -H dev/input -d /dev/input/event2 
>>>>>> lirc.conf but when I follow the instructions to hold down a key, I see a 
>>>>>> period, then eventually: irrecord: gap not found, can't continue. I've 
>>>>>> also tried pushing several buttons. As long as I keep doing that I get 
>>>>>> more periods, but if I stop, it quits and complains about an absent gap. 
>>>>>> What do I do?
>>>>>>
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>>>>>>     
>>>>>>         
>>>>>>             
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>>>>>   
>>>>>       
>>>>>           
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