Does anyone out there have experience with installing Java 11 on a PI? This years wpilib/ntcore etc. now uses Java 11. Using those binaries on PI will require updating Java on PI to version 11.
Bellsoft has open version of jdk that looks to be easy to install. Any experience with this one.
https://www.bell-sw.com/java.html
If you’re using Raspbian/Debian stretch, OpenJDK 11 is in stretch-backports: https://packages.debian.org/stretch-backports/openjdk-11-jre
Search around the internet for “Raspbian backports” for a how-to. YMMV.
Don’t spend too much time on this. I’ve been working on an off-the-shelf rPi image with Java 11 and all the libraries (ntcore, cscore, cameraserver) bundled, along with a web dashboard and some other goodies. Basically you just image a microSD card and it’s plug and play. It’s in an alpha state at present but should be feature-complete in the next week or so, and we’re working on screensteps documentation.
Any update on the raspberry pi image progress?
I’m planning on a beta release this Friday.
The initial beta release of the Raspberry Pi 3 image is online. More documentation to come, but basic getting started docs are on the release page.
This image includes C++, Java, and Python libraries required for vision coprocessor development for FRC (e.g. opencv, cscore, ntcore, robotpy-cscore, Java 11, etc), and bundles both a default application that performs simple streaming of multiple cameras and example C++, Java, and Python programs to use as a basis for vision processing code. A web dashboard is also included to configure the rPi (e.g. changing network settings), monitor the vision program (console, restart), change CameraServer and NetworkTables settings, and upload vision processing applications, all without the need for SSH. The image has been designed for robustness to hard power offs by defaulting the filesystem to read only mode.
See https://www.chiefdelphi.com/forums/showthread.php?threadid=186643 for a full discussion.