[mythtv-users] Firewire STB Node Address

[Larry Kennedy]

On Sat, Apr 16, 2016 at 10:21 PM, Jerome Yuzyk <jerome at supernet.ab.ca>
wrote:

> On Saturday, April 16, 2016 09:22:38 PM Larry Kennedy wrote:
>
> > I use the 6200ch program and a firewire cable to change channels on a
>
> > Motorola STB. The parameters of the script are the node address and the
>
> > channel number:
>
> >
>
> > ./6200ch -n0 300
>
> >
>
> > The only problem I have is that the node address is sometimes 0,
> sometimes
>
> > 1. This changes after a reboot of the backend server.
>
> >
>
> > Does anyone have any ideas on how to dynamically detect the node address
>
> > (such as a udev rule, or a script to parse the output of plugreport) so
>
> > that I can deal wih this issue?
>
>
>
> The node GUID is supposed to be more stable across reboots, which I can
> verify.
>
>
>
> Here's what I get from plugreport:
>
>
>
> # sudo plugreport
>
>
>
> libiec61883 error: error reading oMPR
>
> libiec61883 error: error reading iMPR
>
> Host Adapter 0
>
> ==============
>
>
>
> Node 0 GUID 0x946269fffe90b8f8
>
> ------------------------------
>
> oMPR n_plugs=1, data_rate=2, bcast_channel=63
>
> oPCR[0] online=1, bcast_connection=0, n_p2p_connections=0
>
> channel=0, data_rate=2, overhead_id=0, payload=376
>
> iMPR n_plugs=0, data_rate=2
>
>
>
> Node 1 GUID 0x0090270001e2f030
>
> ------------------------------
>
>
>
> And an example use for 6200ch:
>
>
>
> # sudo ./6200ch -v -g 0x946269fffe90b8f8 302
>

Interesting.  Is this a more stable way to address the STB than with node
number?  I've always used the -n switch and with that I see changes across
reboots.


>
> And it hasn't failed since I started using it last August.
>
>
>
> --
>
> A little of Jerome's MythTV World: http://mythtv.bss.ab.ca
>
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