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


Joined: 04 Jun 2005
Posts: 1156
Location: Sweden

PostPosted: Wed 23 Nov 2016, 14:33    Post subject:  

TeX Dog wrote:
I thought we where closer to same age

Well, the way I see it, age doesn't count as long as you can keep a good sense of humo(u)r. Isn't that right Sage? Wink
TeX Dog wrote:
but wifi is now directional. the USB side HAS to face toward access point ..

Puting any jokes that come to mind aside, I'll say instead that it might just be time to invest in a Wi-Fi dongle Confused

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pakt


Joined: 04 Jun 2005
Posts: 1156
Location: Sweden

PostPosted: Wed 23 Nov 2016, 16:05    Post subject:  

TeX, If you do need to buy a Wi-Fi dongle, I bought a couple of these about a year ago, and they work OOTB on the Raspberry Pi:
http://www.eachbuyer.com/300mbps-usb-wireless-adapter-wifi-lan-network-card-ieee-802-11b-g-n-pc-laptop-p224097.html
The page says 'Chip: Reatek 8192SU', but should actually say Chip: 'Realtek 8192CU'. That's the same chip that the Edimax dongle (often mentioned in the Raspberry Pi forum) has.

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TeX Dog

Joined: 06 Jul 2016
Posts: 341

PostPosted: Wed 23 Nov 2016, 16:09    Post subject:  

pakt wrote:
... Edimax dongle (often mentioned in the Raspberry Pi forum) has...


Have a Edimax dongle for my pi2 works great even on my minimac which suffers even worst than this Al case. Flipped pi3 case on its back seems to work better, posting from it. Want to mill a case from the natural hardwood found nearby. The design of this case could be done in wood.
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pakt


Joined: 04 Jun 2005
Posts: 1156
Location: Sweden

PostPosted: Wed 23 Nov 2016, 16:50    Post subject:  

TeX, I don't recall if you mentioned anything about the AP you're using with your minimac/Pi3.

Do you have another AP you can swap with to check if that's the weak Wi-Fi end Confused

Edit: Another thought - could some other device be interfering on the channel frequency you've set? Have you tried changing channels to see if the Wi-Fi connection improves?

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BarryK
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Joined: 09 May 2005
Posts: 9090
Location: Perth, Western Australia

PostPosted: Wed 23 Nov 2016, 20:21    Post subject:  

pakt wrote:
TeX, If you do need to buy a Wi-Fi dongle, I bought a couple of these about a year ago, and they work OOTB on the Raspberry Pi:
http://www.eachbuyer.com/300mbps-usb-wireless-adapter-wifi-lan-network-card-ieee-802-11b-g-n-pc-laptop-p224097.html
The page says 'Chip: Reatek 8192SU', but should actually say Chip: 'Realtek 8192CU'. That's the same chip that the Edimax dongle (often mentioned in the Raspberry Pi forum) has.


Unfortunately, the 8192cu chip doesn't work with Quirky, at least mine doesn't, and there was one guy testing Quirky on the RPi forum reported the same thing.

I bought this Panda PAU05 off amazon, works OOTB:

http://barryk.org/news/?viewDetailed=00422

I need to fix that 8192cu problem. Quirky is using kernel 4.4.19, pre-compiled from the RPi official github.
But I wonder if Raspbian is using an older 3.x kernel?

Anyway, if you get your 8192cu wifi dongle to work with Quirky, let me know.

Just trying to recall, RPi kernel uses an out-of-tree (3rd party) driver, instead of the one that comes with the kernel.

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BarryK
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Joined: 09 May 2005
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PostPosted: Wed 23 Nov 2016, 21:03    Post subject:  

pakt wrote:
TeX, If you do need to buy a Wi-Fi dongle, I bought a couple of these about a year ago, and they work OOTB on the Raspberry Pi:
http://www.eachbuyer.com/300mbps-usb-wireless-adapter-wifi-lan-network-card-ieee-802-11b-g-n-pc-laptop-p224097.html
The page says 'Chip: Reatek 8192SU', but should actually say Chip: 'Realtek 8192CU'. That's the same chip that the Edimax dongle (often mentioned in the Raspberry Pi forum) has.


This reminds me, I have a D-Link DWA-131, and they make life very confusing as the product has shipped with three different chips:

http://linux-hardware-guide.com/2013-11-16-d-link-dwa-131-n300-usb-wifi-adapter

...the 8192su, 8192cu, or 8192eu. Mine has that last one, requires a 3rd-party driver.

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Sage

Joined: 04 Oct 2005
Posts: 5501
Location: GB

PostPosted: Thu 24 Nov 2016, 03:32    Post subject:  

Methinks RPi3 is heading down the wrong route? It needs too much power - the standard 5V adapter supplies 2A, and not 2.5A, the cpu gets too hot, the SW requirements are too severe/non-conventional, it needs purchase of expensive new mini/micro connectors and its performance is inferior to most yesteryear boards clogging up our landfill as well as the industry-standard smart mobiles. They got it right with the £4 Zero which is attracting too little attention both from developers and the cash-bloated rich kiddies. Zero runs cold, draws little current and is still faster than the B+. Drawbacks include those same expensive add-ons and the latest Raspian (not intended for it) does run but like treacle. Further advantage is that the original Raspian with Puppy runs just fine and runs all those projects intended to inspire a new generation. Less is More.
It may be less fun, less challenging, but perhaps it's time to take a step back and review the big picture?
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greengeek


Joined: 20 Jul 2010
Posts: 5624
Location: Republic of Novo Zelande

PostPosted: Thu 24 Nov 2016, 04:13    Post subject:  

Sage wrote:
They got it right with the £4 Zero which is attracting too little attention both from developers and the cash-bloated rich kiddies.
What would you consider is the best "kit" (ie including necessary addons) to get a zero running and do something useful? And what is your recommended OS for it?
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Sage

Joined: 04 Oct 2005
Posts: 5501
Location: GB

PostPosted: Thu 24 Nov 2016, 04:34    Post subject:  

Soldering iron, GPIO pins, copper wires, USB hub, piles of electrical (e.g. relays,motors?) and other discarded consumerist junk, maybe purchase of a good DAC chip, bits of melamine-coated chipboard, loan of welding kit, you-name-it.
OS; out of my ambit. Maybe sweet-talk some of the gurus who visit this Forum, notably our leader! Perhaps some inspired young schoolboys/girls?
Add your suggestions here.....
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pakt


Joined: 04 Jun 2005
Posts: 1156
Location: Sweden

PostPosted: Thu 24 Nov 2016, 06:33    Post subject:  

BarryK wrote:
Unfortunately, the 8192cu chip doesn't work with Quirky, at least mine doesn't, and there was one guy testing Quirky on the RPi forum reported the same thing.

Anyway, if you get your 8192cu wifi dongle to work with Quirky, let me know.

You're right Barry - my dongle doesn't work with Quirky either. I can set it up, but when it tries to negotiate a connection, it fails.

The log shows that the error starts at:
Code:
ioctl [SIOCSIWAP] : Operation not permitted

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TeX Dog

Joined: 06 Jul 2016
Posts: 341

PostPosted: Thu 24 Nov 2016, 12:57    Post subject:  

Code:
temp=37.6'C
# iwconfig wlan0
USB Facing away
wlan0     ... 
          Bit Rate=19.5 Mb/s   Tx-Power=31 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:on
          Link Quality=48/70  Signal level=-62 dBm 
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:1  Invalid misc:0   Missed beacon:0

# iwconfig wlan0
USB facing toward
wlan0     ...
          Bit Rate=39 Mb/s   Tx-Power=31 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:on
          Link Quality=49/70  Signal level=-61 dBm 
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:1  Invalid misc:0   Missed beacon:0


20 Mb/s difference Mad
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pakt


Joined: 04 Jun 2005
Posts: 1156
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PostPosted: Thu 24 Nov 2016, 17:36    Post subject:  

TeX, I'm doing some testing using another dongle, a Tenda W311M (Ralink RT5370, driver: rt2800usb) that does work OOTB with Quirky.

I've also found a program, 'iperf', that you can run between the Pi3 and another PC (one runs as 'client', the other as 'server') to test wireless performance.

It's available from the PPM as 'iperf_2.0.5+dfsg1-2' and I've also installed the program on Linux Mint.

I'm using it to compare the performance of the Pi3's built-in Wi-Fi and the Tenda dongle with two different APs I have.

I'll post the results when I've finished testing and have collated the results. It'll probably be tomorrow, but I don't have much right now so we'll see.

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BarryK
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Joined: 09 May 2005
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PostPosted: Thu 24 Nov 2016, 19:16    Post subject:  

pakt wrote:
BarryK wrote:
Unfortunately, the 8192cu chip doesn't work with Quirky, at least mine doesn't, and there was one guy testing Quirky on the RPi forum reported the same thing.

Anyway, if you get your 8192cu wifi dongle to work with Quirky, let me know.

You're right Barry - my dongle doesn't work with Quirky either. I can set it up, but when it tries to negotiate a connection, it fails.

The log shows that the error starts at:
Code:
ioctl [SIOCSIWAP] : Operation not permitted


Actually, in this link, there is a possible fix;

http://linux-hardware-guide.com/2013-11-16-d-link-dwa-131-n300-usb-wifi-adapter

Which is this:

Create this file: /etc/modprobe.d/rtl8192cu.conf
With just this one line in it:

options rtl8192cu swenc=1

pakt,
If you have your 8192cu dongle handy, would you mind trying this?
You would have to do a reboot, or reload the module.

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BarryK
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Joined: 09 May 2005
Posts: 9090
Location: Perth, Western Australia

PostPosted: Thu 24 Nov 2016, 19:18    Post subject:  

TeX Dog wrote:
Code:
temp=37.6'C
# iwconfig wlan0
USB Facing away
wlan0     ... 
          Bit Rate=19.5 Mb/s   Tx-Power=31 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:on
          Link Quality=48/70  Signal level=-62 dBm 
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:1  Invalid misc:0   Missed beacon:0

# iwconfig wlan0
USB facing toward
wlan0     ...
          Bit Rate=39 Mb/s   Tx-Power=31 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:on
          Link Quality=49/70  Signal level=-61 dBm 
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:1  Invalid misc:0   Missed beacon:0


20 Mb/s difference Mad


I wonder if bluetooth works from inside that metal case?

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BarryK
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PostPosted: Thu 24 Nov 2016, 19:49    Post subject:  

Version 8.1.2 is released.

It has the fixes for SimpleVP (video player) that I posted earlier in this thread.

It also fixes the Service Pack mechanism, so if you can tolerate one more full download, after that I hope to be able to release small PET packages to upgrade.

The mechanism also supports upgrading of kernel and firmware in the first partition.

Blog announcement:

http://barryk.org/news/?viewDetailed=00457

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