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Octo4a random crashes (usb bug?) #450
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Hi!
The errors start at the end of the installation. After installing the dependencies, the graphical interface of the app closes, but does not crash. When I open it again, it immediately throws me to the interface where it already writes the IP and the rest. At this point the web interface is already available and the main problem starts.
For about 1 minute everything works perfectly, the printer sends temperatures, sd contents, everything. And I can control the printer with the arrow keys.
After that, the Octo4a application crashes and in the octoprint interface I get the message: octo4a "SerialException: device reports readiness to read but returned no data (device disconnected or multiple access on port?)"
The Octo4a serial device disappears from the octoprint interface, which cannot be manually re-entered. Reopening Octo4a does not help, it also writes the IP address incorrectly. Only when I "Force Close" the application or restart the device it starts working again. Then it works again for about 1 minute.
A minor problem is that the app crashes after every camera setting change, but it saves the setting and the tests work, but if I press on the camera in octoprint the octo4a app crashes immediately.
Logcat for installation bug
logcat for Octo4a communication crash
Octoprint log
By the way thanks for your work, very nice app :) I hope you can fix these bugs so I can use it properly.
Printer: Ender 3 + SKR Mini E3 v3 with Marlin
Pipo M9 Pro (rk3188, dedicated otg)
Software: Android 4.4.2, custom rom with root
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