[mythtv-users] New HD HomeRun problem

[Tom Lichti]

On Tue, Mar 3, 2009 at 9:11 PM, R. G. Newbury <newbury at mandamus.org> wrote:
> jk90090 wrote:
>>
>> Yan Seiner wrote:
>>>
>>>>> At least on my system (0.21) myth uses a broadcast to locate the HDHR.
>>>>> Maybe once it's up it uses the IP address, but at least for the first
>>>>> detection it uses the 0xFFFFFFFF ID for the HDHR, which I'm assuming is
>>>>> some sort of "Hey HDHR, Wake up and tell me where you are" call.
>>>>>
>>>>
>>>> How would that work if you had more than one HDHR? I can see potential
>>>> problems.
>>>>
>>>
>>>
>>> I only have one....  But myth allows you to put in a specific address.  I
>>> thought this was an IP address but apparently it's some sort of magic
>>> cookie coded into each HDHR.
>>>
>>> Anyone know more?
>>>
>>>
>>
>> I'm guessing, but it looks right:  It has to do with the MAC address of
>> the unit.   00:18:DD:ab:cd:ef
>>  for a unit with ID : 1abcdefB  , where the '1' and the 'B' probably
>> relate to revision or something.
>
> No. The device ID and MAC are not related that way. At least on my unit.

Both of my HDHR's ID's are a subset of the MAC, but that may have
changedin newer units. In myth-setup I specify the ID for both HDHR's,
and they are always found at startup. And yes, the FFFFFFFF works if
you have one HDHR, but I don't think it works for two.

Tom