wiki:mycroft-gui-mark-2_sys

Version 3 (modified by admin, 2 years ago) (diff)

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Mycroft Mark2 GUI using system QT5 and KDE framework

This is based on the very helpful build log of user AIIX that he published on https://github.com/AIIX/Documentation/blob/master/Custom-RPI4-MycroftImage.md He is doing this on 64-bit Rasbperry 4 (architecture arm64) while the target here is 32-bit Raspberry 3B (architekture armhf).

Install Linux

Get https://ubuntu.com/download/raspberry-pi/thank-you?version=20.04&architecture=arm64+raspi (Ubuntu Server 20.04 for 64-bit arm) flash it to sdcard and boot. After first boot login as ubuntu/ubuntu (takes a while until you can do this), change password

Wifi

  • ls /sys/class/net

on RP3 the wifi interface is the wlan0

  • sudo nano /etc/netplan/50-cloud-init.yaml
    # network: {config: disabled}
    network:
        ethernets:
            eth0:
                dhcp4: true
                optional: true
        version: 2
        wifis:
            wlan0:
                optional: true
                access-points:
                    "ESSID-of-the-Accesspoint":
                        password: "your-password"
                dhcp4: true
    

user

  • sudo useradd mycroft -g users
  • sudo mkdir /home/mycroft
  • sudo chown mycroft:users /home/mycroft
  • sudo nano /etc/group

(add mycroft to all groups like ubuntu)

Install the system Libraries

I will try to come up with a completer list later but I think most of it should be in the dependencies of the following

  • sudo apt install plasma-workspace-dev libkf5plasma-dev

build plasma-nano

For debian testing we need to switch to tag 5.17.90 because the system kde framework is 5.62 and plasma-nano >= 5.18 needs kde framework 5.66

  • cd ~
  • git clone https://github.com/KDE/plasma-nano
  • cd plasma-nano
  • git checkout tags/v5.17.90 -b master_5_17_90
  • mkdir build
  • cd build
  • cmake .. -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=Release -DKDE_INSTALL_LIBDIR=lib -DKDE_INSTALL_USE_QT_SYS_PATHS=ON

this results in an error:

 * Qt5Network (required version >= 5.12.5)
 * Qt5Qml
 * Qt5Quick
 * Qt5 (required version >= 5.2.0)
 * ECM (required version >= 1.6.0)
 * Qt5Core
 * KF5Plasma (required version >= 5.0.0)
 * KF5WindowSystem (required version >= 5.0.0)
 * Qt5Gui (required version >= 5.11.0)
 * KF5Wayland (required version >= 5.0.0)
 * KF5 (required version >= 5.0.0)

CMake Warning at /usr/lib/arm-linux-gnueabihf/cmake/KF5Package/KF5PackageMacros.cmake:64 (message):
  couldn't generate metainfo for org.kde.plasma.nano: Package type
  "Plasma/Shell" not found

  Error: description missing, will result in broken appdata field as
  <sumary/> is mandatory at /home/pi/plasma-nano/shell/metadata.desktop
Call Stack (most recent call first):
  /usr/lib/arm-linux-gnueabihf/cmake/KF5Plasma/KF5PlasmaMacros.cmake:34 (kpackage_install_package)
  CMakeLists.txt:35 (plasma_install_package)

I think this is an error in the 5.17 release, have to check this in detail

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