[mythtv-users] Firewire channel change
jerrymr at gmail.com
Mon Nov 5 18:26:45 UTC 2012
On Mon, Nov 5, 2012 at 12:14 PM, Ken Mink <ken.mink at gmail.com> wrote:
> On 11/5/12 11:42 AM, Jerry Rubinow wrote:
> On Mon, Nov 5, 2012 at 11:30 AM, Ken Mink <ken.mink at gmail.com> wrote:
>> On 11/5/12 9:29 AM, Greg Woods wrote:
>>> On Sun, 2012-11-04 at 16:21 -0500, Peter Bennett (cats22) wrote:
>>>> If you are on Comcast you may have problems tuning the STB with
>>>> Firewire. I was unable to get channel changing through firewire to work
>>> I doubt that it matters who the cable company is. What matters is what
>>> type of set top box you have. I have Comcast with two completely
>>> different STBs, and firewire channel changing works fine for me with
>>> both of them.
>>> Most STBs are either Motorola or Scientific Atlantic. The Motorola ones
>>> will likely work with "6200ch". I used "mythchanger" for the Scientific
>>> Atlanta box.
>> I'm working on getting a SA3250HD from TWC working with a HD-PVR. I've
>> been using the sa3250ch channel changer. My problem is that most of the
>> channels I want are >1000 and sa3250ch doesn't handle 4 digit channels.
>> Does any one know of a firewire channel changer for the SA3250HD that
>> handles 4-digit channels. I've tried getting in and tinkering with the
>> source, but I haven't had much success.
> Did you try sending the channel as discrete keypresses, using the -s
> option of sa3250ch?
> mythtv-users mailing listmythtv-users at mythtv.orghttp://www.mythtv.org/mailman/listinfo/mythtv-users
> Looking through the source of the sa3250ch, the -s option send the
> channel as one number '253'. The default is the send the channel as three
> numbers '2', '5', '3'. Neither path allows for 4 digits. I've played with
> the default path to encode 4 digits into the avc1394 cmd, but it doesn't
> work. I admit to not lookup the avc1394 api calls.
You're right of course. Look at the code in 6200ch, which has an option
for 4-digit channels. I don't know how similar the command set is between
the different STBs, but it could be worth a shot.
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