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OpenPlotter and Raspy ¿3, 3+B?
#1
In the official documentation it's said that OpenPlotter is compatible with Raspberry Pi 3.

Would be better to say that it's compatible with Raspberry Pi 3B and 3B+?
We could understand that both are under "Raspberry Pi 3" but if we specified both it would be clearer.  

By the way, what about 2B?

Thanks.
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#2
ok, changed by:

Raspberry Pi 3B or 3B+ (Not RPi Zero or 1 compatible. RPi 2B will have some limitations)
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#3
(06-05-2018, 01:21 PM)Sailoog Wrote: ok, changed by:

Raspberry Pi 3B or 3B+ (Not RPi Zero or 1 compatible. RPi 2B will have some limitations)

Changed in Spanish too.
Thanks Smile
  Reply
#4
Changed in French too Smile
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#5
OpenPlotter seems to be able to start on RPi 2B with Edimax WLAN.
What are the known limitations?
Updating OpenPlotter from the app fails with hostapd problems.
Can OpenPlotter be updated manually?
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#6
The hostapd fail that prevents OpenPlotter update from 1.0 to 1.2 is:

Code:
Setting up hostapd (2:2.6-21~bpo9~rpt1) ...
Job for hostapd.service failed because the control process exited with error code.
See "systemctl status hostapd.service" and "journalctl -xe" for details.
invoke-rc.d: initscript hostapd, action "restart" failed.
<E2><97><8F> hostapd.service - Advanced IEEE 802.11 AP and IEEE 802.1X/WPA/WPA2/EAP Authenticator
   Loaded: loaded (/lib/systemd/system/hostapd.service; disabled; vendor preset: enabled)
   Active: activating (auto-restart) (Result: exit-code) since Tue 2019-04-09 17:52:33 UTC; 68ms ago
  Process: 1435 ExecStart=/usr/sbin/hostapd -P /run/hostapd.pid -B $DAEMON_OPTS ${DAEMON_CONF} (code=exited, status=1/FAILURE)

Apr 09 17:52:33 openplotter systemd[1]: hostapd.service: Control process exited, code=exited status=1
Apr 09 17:52:33 openplotter systemd[1]: Failed to start Advanced IEEE 802.11 AP and IEEE 802.1X/WPA/WPA<E2><80><A6>cator.
Apr 09 17:52:33 openplotter systemd[1]: hostapd.service: Unit entered failed state.
Apr 09 17:52:33 openplotter systemd[1]: hostapd.service: Failed with result 'exit-code'.
Hint: Some lines were ellipsized, use -l to show in full.
dpkg: error processing package hostapd (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 hostapd
E: Sub-process /usr/bin/dpkg returned an error code (1)

#### ERROR. ABORTING, PRESS ENTER TO EXIT ####
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#7
OpenPlotter update problem is now solved after some googling.
sudo apt remove hostapd
reboot
openplotter update to 1.2 OK!
After some cups of coffee ja plenty of warnings and a reboot request I had OpenPlotter 1.2.
sudo apt install hostapd gives me the above error message. I need to study it more.

Open question is still: What are the known limitations for RPI 2B?

Erkki
  Reply
#8
sorry for that, next version is coming and we have improved the update process to avoid these issues

The only known limitation of models 2 is performance.
  Reply
#9
(04-24-2019, 03:20 PM)Sailoog Wrote: sorry for that, next version is coming and we have improved the update process to avoid these issues

The only known limitation of models 2 is performance.


As a side, I have noticed when you run 1.2 on a RPI2B, when using the local MQTT broker, the cpu usage goes up to 40% and stays there until you disconnect the publishers.
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