[mythtv-users] RNG-110 cable box and firewire channel changing

[Peter Bennett (cats22)]

On 11/01/2014 02:00 PM, Enigma wrote:
> I recently switched from Directv to cable and I am running into
> problems setting up channel changing on the RNG-110 box that is hooked
> up to a HDPVR.  I have a PCI firewire card connected to the box but I
> can't seem to get any response from the box's firewire port.  When the
> cable box is plugged into the computer dmesg reports the following:
>
> [  216.596318] firewire_core 0000:01:06.0: created device fw0: GUID
> 00110666455568ec, S400
> [  233.184333] firewire_core 0000:01:06.0: phy config: new root=ffc1,
> gap_count=5
> [  242.990448] firewire_core 0000:01:06.0: phy config: new root=ffc1,
> gap_count=5
> [  250.863730] firewire_core 0000:01:06.0: phy config: new root=ffc1,
> gap_count=5
> [  267.022931] firewire_core 0000:01:06.0: giving up on node ffc0:
> reading config rom failed: no ack
>
> When I run plugreport this is the output:
>
> Host Adapter 0
> ==============
>
> Node 0 GUID 0x0000000000000000
> ------------------------------
> libiec61883 error: error reading oMPR
> libiec61883 error: error reading iMPR
>
> Node 1 GUID 0x00110666455568ec
> ------------------------------
> libiec61883 error: error reading oMPR
> libiec61883 error: error reading iMPR
>
>
> From other posts I have seen it seems like there should be more
> information there under node 1.  I have compiled 6200ch and
> mythchanger and neither seem to be able to interact with the box. 
> 6200ch freezes in an unkillable state and mythchanger just reports
> "Invalid changer option".  I can see from the wiki that other users
> have successfully changed channels and recorded over firewire with
> this box so am I just doing something wrong or does my cable company
> have the firewire port disabled?  Any pointers anybody can give me
> would be useful, I have used Myth for years but this is my first foray
> into firewire.
>
>
My RNG-150 (Comcast) shows this:

Host Adapter 0
==============

Node 0 GUID 0x0000000000000000
------------------------------
libiec61883 error: error reading oMPR
libiec61883 error: error reading iMPR

Node 1 GUID 0x24374cac851a0000
------------------------------
oMPR n_plugs=1, data_rate=2, bcast_channel=63
oPCR[0] online=1, bcast_connection=0, n_p2p_connections=1
        channel=1, data_rate=2, overhead_id=0, payload=0
iMPR n_plugs=1, data_rate=2
iPCR[0] online=1, bcast_connection=0, n_p2p_connections=0
        channel=0

On the RNG-150 I have given up on trying to get the channel changer to
work - I use an IR Blaster. I record the video perfectly through
firewire but I have to tune the channel through the IR Blaster (iguana
IR http://www.iguanaworks.net $40).

Peter
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