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PostPosted: Tue Jan 13, 2009 9:59 pm 
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Joined: Thu Jul 06, 2006 1:10 pm
Posts: 40
The problem:
Getting the ir blaster script to send a signal

The setup:
KnoppMyth R5F27
hauppauge pvr250
serial ir blaster from irblaster.info
Fios TV with an SD Motorola QIP2500-3

The story so far:
Ran /usr/local/bin/irblaster.sh, selecting the Motorola DCT2000 as suggested in another post.
Using the update channel change script from the wiki (http://www.knoppmythwiki.org/index.php? ... hSetTopBox)
Trying to change any channel, I get...

Code:
channel changing 006
/usr/bin/irsend: command failed: SEND_ONCE blaster 0
/usr/bin/irsend: hardware does not support sending


...and I'm stuck, as I'm not sure what that error message means. Did I miss a step? Not sure what to pursue next. I googled on it, but didn't seem to pinpoint any particular issue.

Any advice :?:

Thanks very much.


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PostPosted: Tue Jan 13, 2009 11:09 pm 
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Joined: Fri Sep 19, 2003 6:37 pm
Posts: 2659
Location: Whittier, Ca
As far as I'm aware, that script is for the 150. What does your hardware.conf look like?


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 Post subject:
PostPosted: Wed Jan 14, 2009 7:41 am 
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Joined: Thu Jul 06, 2006 1:10 pm
Posts: 40
Thanks, cecil...

Code:
# /etc/irblaster/hardware.conf
#
#  Author: Greg Frost

# The COM Port used by the IRBlaster. Set it to COM1 COM2 or "".
IRBLASTER_SERIAL_PORT=COM1


Code:
# /etc/lirc/hardware.conf
#
# Arguments which will be used when launching lircd
LIRCD_ARGS=""

#Don't start lircmd even if there seems to be a good config file
START_LIRCMD=false

#Try to load appropriate kernel modules
LOAD_MODULES=true

# Run "lircd --driver=help" for a list of supported drivers.
DRIVER="default"
# If DEVICE is set to /dev/lirc and devfs is in use /dev/lirc/0 will be
# automatically used instead
DEVICE="/dev/lirc0"
MODULES="lirc_dev lirc_i2c"



Do you know where it's supposed to point lirc_serial to /dev/lirc1 ? The error somewhat sounds like its not seeing the transmit piece, and trying to transmit through the receiver, which obviously is not supported.

Thanks again for any help :) .

(UPDATE: It looks like I can do...

Code:
irsend --device=/dev/irblasterd SEND_ONCE DCT2000 6


...and it doesn't show an error message - but also nothing seems to happen on the blaster - I see no light and the box doesn't react to it. So, I don't know if this is helpful or not.)


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PostPosted: Wed Jan 14, 2009 10:49 am 
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Joined: Thu Feb 12, 2004 2:54 pm
Posts: 392
Location: Beaumont, CA
Make sure you have your com port setting correct in the bios, and also try to do irsend as root. Did you also set the correct command in setup? Like: set channel change script to /etc/irblaster/channel_change.sh

However, you should atleast be able to get irsend to run first..

_________________
ASUS A7N266 Micro-ATX Motherboard
Athlon 2200 processor
512K Kingston PC2100 Memory
MicroAtx Case
2 PVR250's w/remote
eVGA e-GeForce mx4000 (64 Ram with Tv/Out (Svideo))
Lite-on DVD cd-rw combo
120 GB Western Digital


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 Post subject:
PostPosted: Wed Jan 14, 2009 11:11 am 
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Joined: Thu Jul 06, 2006 1:10 pm
Posts: 40
Ok...

I actually got the ir blaster piece to work :D

The two things I needed to change...

1. The channel change script didn't have the correct remote name.
2. The irblasterd init script had the wrong IRQ and IO info for my setup - I dont know if what I put in there will survive reboots - I may have plug-n-play setup in the bios or something - may need to investigate that if it doesn't survive a reboot

...BUT - I get no signal now - Just static :( .

The irblaster is sending the channel change - I see the converter box change - but all channels are static. Is there anyway a pvr250 wouldn't work with a converter box? I'm not doing HD signals or anything.

Thanks, again for the help!


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PostPosted: Wed Jan 14, 2009 11:37 am 
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Joined: Mon Apr 10, 2006 3:48 pm
Posts: 997
Location: Lexington, Ky
Is your PVR 250 set to the correct channel? If it was tuned to the wrong channel you would only get static.


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 Post subject:
PostPosted: Wed Jan 14, 2009 11:41 am 
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Joined: Thu Jul 06, 2006 1:10 pm
Posts: 40
tscholl wrote:
Is your PVR 250 set to the correct channel?
That indeed does seem to be the problem - I told the myth setup to pretune to channel 3, but, at least for live tv, it didn't.

I sent a
Code:
ivtv-tune -c3 -d/dev/video0

command, and then live tv now works.

I'm more interested what it does for scheduled recordings. So, I'm going to reboot (just to clear all my testing) and check if it changes the channel on a scheduled recording.

(UPDATE: Looks like I just need to add that channel change command to my fluxbox startup, as the myth pretune doesnt seem to work for me.)

Thanks! :D

On a sidebar - Do most folks just leave their converter boxes on? As, myth won't know whether its on or off, so I cant see how I could tell it to send a power command or not.


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PostPosted: Wed Jan 14, 2009 1:38 pm 
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Joined: Sun Jul 24, 2005 4:16 pm
Posts: 508
Location: Ft. Worth TX
quaffapint wrote:
On a sidebar - Do most folks just leave their converter boxes on? As, myth won't know whether its on or off, so I cant see how I could tell it to send a power command or not.
Yes !
My biggest bug-a-bear is when somebody turns it off & I lose recordings (black) that go ahead and record anyway...... :lol:

(95% of the electronics in the box are on all the time, so there is no reason to turn it off (It's just the output) unless that output is interfering with other inputs to the TV.)[Why my daughters somtimes turn it off, and forget to put it back on...] :shock:


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 Post subject:
PostPosted: Wed Jan 14, 2009 9:58 pm 
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Joined: Sat Sep 02, 2006 1:46 pm
Posts: 44
snaproll wrote:
quaffapint wrote:
On a sidebar - Do most folks just leave their converter boxes on? As, myth won't know whether its on or off, so I cant see how I could tell it to send a power command or not.
Yes !
My biggest bug-a-bear is when somebody turns it off & I lose recordings (black) that go ahead and record anyway...... :lol:

(95% of the electronics in the box are on all the time, so there is no reason to turn it off (It's just the output) unless that output is interfering with other inputs to the TV.)[Why my daughters somtimes turn it off, and forget to put it back on...] :shock:


My box has a setting that makes the box turn on when it receives either the power on command or when it receives any number. With that feature enabled the box will automatically turn on when my mythbox sends the channel change command. You should check whether your box has a similar feature.


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 Post subject:
PostPosted: Thu Jan 15, 2009 2:18 pm 
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Joined: Thu Feb 12, 2004 2:54 pm
Posts: 392
Location: Beaumont, CA
I'm on Dishnetwork and leave mine on most of the time. However, it seems whenever I am going to record something the middle of the night, like 2 or 3 am, Dishnetwork sends out an update and locks my box with "Your box has been updated, please press OK to continue..", so now I turn it off if I am not recording for a few days (in the off season this is fine, but with the new season starting, it's not practical) Most nights this doesn't happen, only when I want to record something! Ugh!

_________________
ASUS A7N266 Micro-ATX Motherboard
Athlon 2200 processor
512K Kingston PC2100 Memory
MicroAtx Case
2 PVR250's w/remote
eVGA e-GeForce mx4000 (64 Ram with Tv/Out (Svideo))
Lite-on DVD cd-rw combo
120 GB Western Digital


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 Post subject:
PostPosted: Thu Jan 15, 2009 7:42 pm 
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Joined: Sat Dec 24, 2005 11:33 am
Posts: 400
Location: Kitsap Peninsula, Wa., United States
Quaffapint > how have you connected your settopbox to your Capture card?
I have my pvr-150's and pvr500 first device connected via S-video cables.
That negates the need to have the tuner preset to a specific channel. When you are setting up the capture card in mythtv setup especially under R5.5 it tells you what each /dev/video_ is recognized as.

As I remember under R5F27 it did the same thing.

Elgordo > I also have dish network. There is a setting in the Sat Box menu's to prevent it from doing what you describe.
I changed that setting and now it only occasionally does that. The other item I found I setup the tuners in my newer Sat box to every night go to a specific channel. Knoppmyth overrides the channel when you need to tune to it anyway. This prevented the newer Dish network box from going to sleep approximately once per week.
With those two settings I rarely have a reset like you described overnight.

hth.


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