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 Forum index » Advanced Topics » Puppy Derivatives
Quirky Xerus 8.1.4 for Raspberry Pi2 and 3
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BarryK
Puppy Master


Joined: 09 May 2005
Posts: 8312
Location: Perth, Western Australia

PostPosted: Fri 09 Sep 2016, 06:56    Post subject:  

ally,
Here are some instructions for getting wifi working:

https://www.raspberrypi.org/forums/viewtopic.php?f=28&t=44044

I still haven't got wifi working on my Pi3. Stupid thing doesn't know my wireless network exists -- I am wondering if the wifi chip in the Pi3 doesn't support the frequency that my wifi hotspot in my phone broadcasts at?

I need to try a usb plugin wifi thingy.

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Sage

Joined: 04 Oct 2005
Posts: 5300
Location: GB

PostPosted: Fri 09 Sep 2016, 09:46    Post subject:  

Quote:
I need to try a usb plugin wifi thingy.
- if you do that, it may require one of those dual band jobbies? I could not get my Samsung TV to work on a regular cheapo dongle and they wanted forty quid for their posh unit. Eventually, I found who supplied Samsung and bought one via a third party supplier on eBay for about £18. A couple of mobiles play the same silly tricks, as well as Apple. The HW inside one of these sticks barely differs, so I guess they've etched a couple of extra tracks in the silicon to deal with the two frequencies? Either way the cost of design, manufacture & marketing can't differ more than a few pennies.
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pakt


Joined: 04 Jun 2005
Posts: 1156
Location: Sweden

PostPosted: Fri 09 Sep 2016, 10:25    Post subject:  

BarryK wrote:

I still haven't got wifi working on my Pi3. Stupid thing doesn't know my wireless network exists -- I am wondering if the wifi chip in the Pi3 doesn't support the frequency that my wifi hotspot in my phone broadcasts at?

Are you using your M52 phone as a hotspot? I just set my M52 (running stock Android 5.0) up as a wifi hotspot and my RPi3 had no problem in finding it:
Code:
# iwlist scan

          Cell 03 - Address: 6A:5D:3F:BC:F1:87
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=66/70  Signal level=-44 dBm 
                    Encryption key:on
                    ESSID:"M52_Red_Note"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
                              9 Mb/s; 12 Mb/s; 18 Mb/s
                    Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
                    Mode:Master

sns also lists the "M52_Red_Note" wireless network.

The M52 is capable of connecting to both the 2.4GHz & 5GHz bands (I've checked with my dual band AC router).

IIRC, you're running a modified Android OS on your M52. Could the hotspot be transmitting on the 5GHz band somehow?

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Sage

Joined: 04 Oct 2005
Posts: 5300
Location: GB

PostPosted: Fri 09 Sep 2016, 11:46    Post subject:  

Quote:
The M52 is capable of connecting to both the 2.4GHz & 5GHz bands...

- now that's really worth knowing! Thanks, p.
PS My dual band stick is a fenvi-n600. Other third party manufacturers/suppliers all wanted the Samsung price when I bought mine about a year or so back.
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ally


Joined: 19 May 2012
Posts: 1582
Location: lincoln, uk

PostPosted: Fri 09 Sep 2016, 16:22    Post subject:  

thanks

the symlink solved the ethernet, using that at present

have mirrored don's pets

Smile

edit, could we have ssh to make testing easier?
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BarryK
Puppy Master


Joined: 09 May 2005
Posts: 8312
Location: Perth, Western Australia

PostPosted: Fri 09 Sep 2016, 21:01    Post subject:  

Another problem I am having, with both Pi2 and Pi3, is the screen flickers off momentarily.

This is a very common problem, as a google search shows.

I have a modern TV, with HDMI input. I did the recommended troubleshooting things, settings in 'config.txt' to force HDMI, boost the signal. No difference.

It usually happens randomly after power-up, but seems to clear up after awhile.

I found that moving the case slightly, causes it. Then found that push the HDMI plug very gently causes it.

This does seem to indicate a fault in the Pi, a hairline crack for example, where the HDMI socket is soldered in.

The fact that it seems to disappear after the Pi has "warmed up" supports this theory, as does gently pushing, barely more than touching, the HDMI plug causing it.

But the fact that it happens to both my Pi2 and Pi3...

But this problem goes right back, the Pi1 report here for example:
https://www.raspberrypi.org/forums/viewtopic.php?f=28&t=82677

...that one seems to indicate inadequate high-frequency filtering on the 5V line into the Pi, which indicates a design shortcoming.

There are so many problems reported with the power supply being inadequate, all stemming from the decision to go for a micro-USB socket.
I have a bit of a "bee in my bonnet" about that. I think that they should have gone for a normal power plug and socket, and sold power supplies to match.

...which is what the Odroid people have done.

I also had a power problem with my Pi3, initially. I am using my new Mbeat Gorilla power charger, with 2.3A rated output on each USB socket. However, I still got the little rainbow rectangle sometimes, so I changed the cable, that fixed it.
So it would seem that voltage supply is not a problem anymore.

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BarryK
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Joined: 09 May 2005
Posts: 8312
Location: Perth, Western Australia

PostPosted: Fri 09 Sep 2016, 21:14    Post subject:  

gcmartin wrote:
Anyone know if this distro has bluetooth enabled, OOTB?


Quirky Xerus has bluez and bluepup, so should support bluetooth.

However, /root/Startup/bluetooth_tray tests for existence of /sys/class/bluetooth, and if it does not exist, does not load the bluetooth tray applet.

On my Pi3, /sys/class/bluetooth does not exist. This may be due to the 4.4.x kernel still being under development for the Pi, especially Pi3.

EDIT:
Just did a test on my laptop, 'bluetoothd' has to be running, to cause /sys/class/bluetooth to exist.

I need to fix that. Currently the daemon is not started at power-up.

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Sage

Joined: 04 Oct 2005
Posts: 5300
Location: GB

PostPosted: Sat 10 Sep 2016, 03:00    Post subject:  

These Rpi units certainly are flimsy although I've not experienced the issues BK reports - yet. I think the intention is that one purchases their custom cases to anchor them to some extent. Mine are screwed to bits of old (melamine-coated) kitchen cabinet. This helps stabilise the connectors as one can slide plugs into them with less force and more precision. I have experienced other HDMI and PSU issues, however. Not all TVs and, especially monitors, accept their output signals: ditto functionality of some PSUs and, worse, the Zero is fussy about USB hubs (all powered, of course, for the Zero). Fortunately, have boxloads to select from. One of the surprises I had was that an el cheapo HDMI-to-VGA, with sound pick-off was a great success with the B+ enabling use of old monitors for just over a fiver.
Reiterating previous comments, although I find it useful to be able run the oldest Puppy on these ARMv6/11 units, I see their greatest attraction in deploying their GPIO to operate relays, turn things ON/OFF, sensor inputs, etc. This is the intention of all educationalists in UK schools. Whether it will succeed depends on many factors, not least inspirational teaching, but many of the clever coders visiting fora like this could have a powerful contribution to make. Certainly, the latest ARMv7 Pi2 & 3 are not necessary for these purposes and Eban still regards the v6 architecture as current - hence the Zero
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pakt


Joined: 04 Jun 2005
Posts: 1156
Location: Sweden

PostPosted: Sat 10 Sep 2016, 04:26    Post subject:  

BarryK wrote:

This does seem to indicate a fault in the Pi, a hairline crack for example, where the HDMI socket is soldered in.

HDMI cables can vary quite a lot in quality, but since the signals being passed are digital, they usually either work or they don't. That also makes it hard to troubleshoot borderline cases, where you get a good image on the display but the signal strength is just barely over the threshold to deliver that image.

There isn't much surface area for contact on the many, tiny pins of an HDMI connector, and it wouldn't take much to get a bad connection at any one (or more pins). That's one place quality can come into the picture (or simply dirty contacts – note that HDMI cables usually come with a plastic cap covering the ends).

If you jiggle the HDMI connector at the end of the cable connected to either your Pi2 or Pi3 and the signal flickers, the problem causing the flicker is unlikely to be on both of your Pis. The HDMI cable would be much more likely the common denominator. The best way to find out is to try a different cable. I have a number of HDMI cables and I can vouch for the fact that they are not created equal Wink

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BarryK
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Joined: 09 May 2005
Posts: 8312
Location: Perth, Western Australia

PostPosted: Sat 10 Sep 2016, 08:33    Post subject:  

After trying, unsuccessfully, to get bluetooth working, I decided it would be wise to download Raspbian and get bluetooth going. Then I will have a working setup as reference.

If you want to download Rasbian using wget, rather than the browser, here is a direct link to Raspbian Lite:

# wget http://vx2-downloads.raspberrypi.org/raspbian_lite/images/raspbian_lite-2016-05-31/2016-05-27-raspbian-jessie-lite.zip

Regarding the HDMI cable, I have used it elsewhere without issues, including with the RemixOS box.
I have another cable packed away in a box somewhere, will try that.

EDIT:
Er, no, Raspbian Lite is commandline only.
Here is the full Raspbian (1.3GB):

wget http://vx2-downloads.raspberrypi.org/raspbian/images/raspbian-2016-05-31/2016-05-27-raspbian-jessie.zip

sha1sum: 64c7ed611929ea5178fbb69b5a5f29cc9cc7c157

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BarryK
Puppy Master


Joined: 09 May 2005
Posts: 8312
Location: Perth, Western Australia

PostPosted: Sat 10 Sep 2016, 10:53    Post subject:  

Running Raspbian, bluetooth and wireless "just works".

I am using my new Bluetooth mouse, and Internet access via my Mlais M52 phone wireless tethering.

EDIT
Bluetooth is flakey. Both keyboard and mouse just decided to stop working. Kept trying them, suddenly they started to work again.

My bluetooth keyboard is standard US layout, which I chose in the Raspbian Preferences. However, they got one key wrong, the backslash and shift-vertical-bar key.

Hmmm, mouse has gone again. Fortunately, I have the USB-cable mouse plugged in.

It seems, if you don't use them continuously, they die.

Nup, can't get mouse to come back.

So much for @just works@ --- they were supposed to be quote characters - it seems to have forgotten that it was set to US layout.

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don570


Joined: 10 Mar 2010
Posts: 4755
Location: Ontario

PostPosted: Sat 10 Sep 2016, 15:19    Post subject:  

Question to Barry ...

Are you able to play ogg or wma music files on your install?

ffmpeg just ignores these two formats on my machine.

However I installed a lot of new multimedia libraries to make omxplayer work,
so I'm not sure if I damaged my install.

I am able to play ogg and wma music files with my omxplayer.


_________________________________________________
I noticed a strange font bug in terminal. I described it here
http://murga-linux.com/puppy/viewtopic.php?p=922831#922831


________________________________________________

The newest version of pmusic will play 2barks.wav file in alarms

____________________________
pmusic-v7-5.1.3.pet
Description  newest version of pmusic
pet

 Download 
Filename  pmusic-v7-5.1.3.pet 
Filesize  160.76 KB 
Downloaded  95 Time(s) 
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eowens2

Joined: 27 Aug 2008
Posts: 172

PostPosted: Sat 10 Sep 2016, 16:39    Post subject:  

BarryK said
Quote:
Bluetooth is flakey. Both keyboard and mouse just decided to stop working. Kept trying them, suddenly they started to work again.

My bluetooth keyboard is standard US layout, which I chose in the Raspbian Preferences. However, they got one key wrong, the backslash and shift-vertical-bar key.

Your post made me wonder about the stability of the bluetooth on my Raspberry Pi.

I am posting this using Raspbian and a 75-key Freedom Pro bluetooth keyboard on an Rpi 3. Raspbian keyboard Preferences are Country=US and Variant=English (US).

I tested all of the keys (unshifted and shifted) and the output was as expected. Specifically the quotation mark key output ' “ ',the vertical bar key output ' | ', and the backslash key output ' \ '.

The bluetooth on my Rpi 3 seemed pretty stable, at least during the 35-40 minutes I was using it and no dropouts occurred.
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don570


Joined: 10 Mar 2010
Posts: 4755
Location: Ontario

PostPosted: Mon 12 Sep 2016, 16:34    Post subject:  

ogg and wma music files are now working with pmusic.

I suspect that there was a strange permissions problem. I have found that
clicking on files in a windows server location don't open and that the open
dialog in applications doesn't show the windows server location, yet rox
file manager shows the location and let's me drag files from it.

__________________________________________

I still haven't been successful in connecting my usb wifi stick.

____________________________________________

For people who install omxplayer here are the the key bindings

Key bindings
Key Action
1 Increase Speed
2 Decrease Speed
j Previous Audio stream
k Next Audio stream
i Previous Chapter
o Next Chapter
n Previous Subtitle stream
m Next Subtitle stream
s Toggle subtitles
q Exit OMXPlayer
Space or p Pause/Resume
- Decrease Volume
+ Increase Volume
Left Seek -30
Right Seek +30
Down Seek -600
Up Seek +600
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ttuuxxx


Joined: 05 May 2007
Posts: 11191
Location: Ontario Canada,Sydney Australia

PostPosted: Mon 12 Sep 2016, 23:01    Post subject:  

Hi Barry, I was on Facebook on the RetroPie Group and this guy posted a Commodore 64 that he gutted and purchased a C-64 usb adapter, basically turning a C-64 keyboard into a regular USB keyboard, then he tossed in Raspberry Pi and ran linux on it. A few years back in Sydney I purchased a C-64 for like $20 on ebay. That could of been a good candidate, But really I don't think I could destroy a working C-64 for any reason. Anyways here's a link to the Keyboard adapter, it isn't cheap but I guess it does the job really good if you like retro things. http://www.vesalia.de/
ttuuxxx

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http://samples.mplayerhq.hu/A-codecs/ <-- Codec Test Files
http://html5games.com/ <-- excellent HTML5 games Smile
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