10. ChangeLog

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

10.1. [2.0.0]

10.1.1. Changed

  • Change power level widget in sport watchface.
  • Use fixed image/text spacing in the application list.
  • Update MWT dependency.
  • Replace CTIMER with RTC as hardware timer.
  • Simplify buttons manager: send MicroUI Command on release event.
  • VGLite library: clarify API and copy vg_lite.h comments.

10.1.2. Fixed

  • Fix carousel state after new layout.
  • MicroUI for Multi-application mode (UI pack 13.0.5).
  • Coherence of Vivante foundation library between API and implementation.
  • Close VectorFont and VectorGraphics resources automatically.
  • SVGTool: Generate unique internal fields.

10.1.3. Added

  • Add multi-app support for watchfaces.
  • Add Watchface “low power” : com.microej.demo.watch.watchface.flowerlp.
  • Add Watchface “simple” : com.microej.demo.watch.watchface.simple.
  • Add circle arc cursor in the application list.
  • Add FreeRtos tickless feature with RT595 deepsleep mode.
  • Add a Feature loader via usart.

10.1.4. Removed

  • Extract watchfaces code and utility code to external modules.

10.1.5. Included Features

  • Packaging

    • Documentation
    • MicroEJ player
    • i.MX RT595 EVK Rev. C1 binary files: kernel and features
    • i.MX RT595 EVK Rev. C1 board support package project (BSP)
    • MicroEJ Wearable application source files
    • MicroEJ partial repository
    • Tools

  • Application

    • Watchface “Flower”: vector hands with gradient
    • Watchface “Complete”: vector hands
    • Watchface “LowPower”: watchface “Flower” without animations
    • Watchface “Simple”: simple watchface as described in documentation
    • Watchfaces selection list
    • Applications list: zoom on items and fonts
    • Application “Heart Rate”: graph
    • Application “Activity”: vector arc with gradient and text with gradient
    • Application “Compass”: software rotation
    • Application “VG Mascot”: SVG image
    • Application “VG Circle Arc”: vector drawings

Note

Inspection of Java code quality of this version has been performed with SonarQube™, using the rules defined here: https://github.com/MicroEJ/ExampleTool-Sonar/tree/1.1.0/rules.

  • Platform and BSP

    • MicroEJ “UI3” compatible
    • MicroUI shapes drawings performed by RT595 GPU
    • Library VGLite: draw VG paths
    • Library VectorFont: draw strings using TTF

  • Partial Repository

    • [foundation library] com.microej.api.vivante-vglite-0.6.0
    • [foundation library] com.microej.architecture.verisilicon.vivante-vglite-impl-0.6.0
    • [foundation library] com.api.vector-font-0.2.0
    • [foundation library] com.microej.vector-font-impl-0.2.1
    • [addon library] ej.library.eclasspath.collections-1.4.0
    • [addon library] com.microej.vivante.utils-0.7.0
    • [addon library] ej.library.runtime.basictool-1.5.0
    • [addon library] ej.library.ui.mwt-3.1.3
    • [frontpanel library] com.is2t.simulation.HILEngine-2.3.0
    • [kernel api] com.microej.kernelapi.bon-1.2.0
    • [kernel api] com.microej.kernelapi.microui-3.0.0
    • [kernel api] com.microej.kernelapi.drawing-1.0.0
    • [kernel api] com.microej.kernelapi.vector-font-1.0.0
    • [kernel api] com.microej.kernelapi.vivante-vglite-1.1.0
    • [kernel api] com.microej.kernelapi.basictool-1.2.0
    • [kernel api] com.microej.kernelapi.service-1.1.0
    • [kernel api] com.microej.kernelapi.mwt-2.0.0
    • [kernel api] com.microej.kernelapi.motion-1.0.0
    • [kernel api] com.microej.kernelapi.vivante-utils-1.0.0
    • [MicroEJ architecture UI] com.microej.architecture.CM4.CM4hardfp_IAR83-flopi4I35-ui-pack-13.0.5

  • Miscellaneous

    • MicroEJ Simulator Player: player to run the pre-compiled application.
    • Tool SVG to Java class: convert .svg files in an immutables array usable in an application.
    • Tool rounded image to immutables array: convert an image to be used by software accelerated algorithm.
    • Deploy tools blhost.

10.2. [1.0.1]

10.2.1. Fixed

  • An issue when drawing a circle arc with an arc angle of 360 degrees.

10.2.2. Added

  • Add section “Limitations” in the documentation that discusses the MicroEJ Architecture limitations in evaluation format.

10.2.3. Removed

  • MicroEJ Architecture UI 13.0.3: use MicroEJ Central Repository instead.

10.2.4. Included Features

  • Packaging

    • Documentation
    • MicroEJ player
    • i.MX RT595 EVK Rev. C1 binary file
    • i.MX RT595 EVK Rev. C1 board support package project (BSP)
    • MicroEJ Wearable application source files
    • MicroEJ partial repository
    • Tools

  • Application

    • Watchface “Flower”: vector hands with gradient
    • Watchface “Complete”: vector hands
    • Watchfaces selection list
    • Applications list: zoom on items and fonts
    • Application “Heart Rate”: graph
    • Application “Activity”: vector arc with gradient and text with gradient
    • Application “Compass”: software rotation
    • Application “VG Mascot”: SVG image
    • Application “VG Circle Arc”: vector drawings

Note

Inspection of Java code quality of this version has been performed with SonarQube™, using the rules defined here: https://github.com/MicroEJ/ExampleTool-Sonar/tree/1.1.0/rules.

  • Platform and BSP

    • MicroEJ “UI3” compatible
    • MicroUI shapes drawings performed by RT595 GPU
    • Library VGLite: draw VG paths
    • Library VectorFont: draw strings using TTF

  • Partial Repository

    • [foundation library] com.microej.api.vivante-vglite-0.5.0
    • [foundation library] com.microej.architecture.verisilicon.vivante-vglite-impl-0.5.0
    • [foundation library] com.api.vector-font-0.2.0
    • [foundation library] com.microej.vector-font-impl-0.2.1
    • [addon library] ej.library.eclasspath.collections-1.4.0
    • [addon library] com.microej.vivante.utils-0.7.0
    • [frontpanel library] com.is2t.simulation.HILEngine-2.3.0
    • [MicroEJ architecture UI] com.microej.architecture.CM4.CM4hardfp_IAR83-flopi4I35-ui-pack-13.0.3

  • Miscellaneous

    • MicroEJ Simulator Player: player to run the pre-compiled application.
    • Tool SVG to Java class: convert .svg files in an immutables array usable in an application.
    • Tool rounded image to immutables array: convert an image to be used by software accelerated algorithm.
    • Deploy tools blhost.

10.3. [1.0.0]

10.3.1. Changed

  • New platform build scripts (use latest Platform Qualification scripts)
  • i.MX RT595 EVK Rev. C1 (instead of Rev B) with LCD SCH-46966 revA
  • NXP SDK-2.8.0 (instead of SDK-2.6.2)
  • VGLite 3.0.4-rev4 (instead of VGLite 2.0.13-rev2)
  • IAR 8.50.6 (instead of 8.32)
  • Update SVG2MVG tool capabilities in documentation
  • Use MicroEJ Architecture in Evaluation mode instead of Production mode
  • Reduce heap usage (Java, FreeRTOS, Freetype, VGLite)
  • Refactor the application to make it easier to create a watchface
  • Use SVG converted as immutables instead of Java code in the application
  • Resize the UI of the application to fit the display size of the iMXRT595-revC board

10.3.2. Fixed

  • Remove clinit in VectorFont implementation
  • Fix SVG2MVG tool usage in documentation
  • Replace the Chinese font in the application

10.3.3. Added

  • Add documentation to help convert SVG unsupported by SVG2MVG tool to supported ones
  • Introduce immutables generation
  • Add section “Demo Architecture” in the documentation that discusses the general architecture of the software

10.3.4. Removed

  • IAR 8.32 patch for NXP RT595 revB in packaging

10.3.5. Included Features

  • Packaging

    • Documentation
    • MicroEJ player
    • i.MX RT595 EVK Rev. C1 binary file
    • i.MX RT595 EVK Rev. C1 board support package project (BSP)
    • MicroEJ Wearable application source files
    • MicroEJ partial repository
    • Tools

  • Application

    • Watchface “Flower”: vector hands with gradient
    • Watchface “Complete”: vector hands
    • Watchfaces selection list
    • Applications list: zoom on items and fonts
    • Application “Heart Rate”: graph
    • Application “Activity”: vector arc with gradient and text with gradient
    • Application “Compass”: software rotation
    • Application “VG Mascot”: SVG image
    • Application “VG Circle Arc”: vector drawings

Note

Inspection of Java code quality of this version has been performed with SonarQube™, using the rules defined here: https://github.com/MicroEJ/ExampleTool-Sonar/tree/1.1.0/rules.

  • Platform and BSP

    • MicroEJ “UI3” compatible
    • MicroUI shapes drawings performed by RT595 GPU
    • Library VGLite: draw VG paths
    • Library VectorFont: draw strings using TTF

  • Partial Repository

    • [foundation library] com.microej.api.vivante-vglite-0.5.0
    • [foundation library] com.microej.architecture.verisilicon.vivante-vglite-impl-0.5.0
    • [foundation library] com.api.vector-font-0.2.0
    • [foundation library] com.microej.vector-font-impl-0.2.1
    • [addon library] ej.library.eclasspath.collections-1.4.0
    • [addon library] com.microej.vivante.utils-0.7.0
    • [frontpanel library] com.is2t.simulation.HILEngine-2.3.0
    • [MicroEJ architecture UI] com.microej.architecture.CM4.CM4hardfp_IAR83-flopi4I35-ui-pack-13.0.3

  • Miscellaneous

    • MicroEJ Simulator Player: player to run the pre-compiled application.
    • Tool SVG to Java class: convert .svg files in an immutables array usable in an application.
    • Tool rounded image to immutables array: convert an image to be used by software accelerated algorithm.
    • Deploy tools blhost.

10.4. [0.3.0]

10.4.1. Added

  • Add IAR 8.32 patch for NXP RT595 in packaging

10.4.2. Changed

  • Split the code of class StylesheetFactory for better readability
  • Migrated to the latest and released versions of MicroUI/MWT/Widget
  • Migrated to released versions of VGLite-Vivante and Vector-Font libraries
  • Changed the implementation of performances optimization (Compass and Activity)

10.4.3. Fixed

  • Limit heart rate values between min and max values
  • Fixed issues reported by Sonar analysis
  • tore-to-immutables: manage incompatible images
  • svg-to-mvg: simplify generated Java file

10.4.4. Included Features

  • Packaging

    • Documentation
    • MicroEJ player
    • i.MX RT595 EVK Rev. B binary file
    • i.MX RT595 EVK Rev. B board support package project (BSP)
    • MicroEJ Wearable application source files
    • MicroEJ partial repository
    • Tools

  • Application

    • Watchface “Flower”: vector hands with gradient and dynamic curved text
    • Watchface “Complete”: vector hands
    • Watchfaces selection list
    • Applications list: zoom on items and fonts
    • Application “Heart Rate”: graph
    • Application “Activity”: vector arcs with gradient and texts with gradient
    • Application “Compass”: software rotation
    • Application “VG Mascot and NXP”: SVG images
    • Application “VG Circle Arc”: vector drawings
    • Application “VG Font”: vector font drawings
    • Application “Parameters” to change the application language

  • Platform and BSP

    • MicroEJ “UI3” compatible
    • MicroUI shapes drawings performed by RT595 GPU
    • Library VGLite: draw VG paths
    • Library VectorFont: draw strings using TTF
    • Wearable mock: simulate heart rate and power consumption

  • Partial Repository

    • [foundation library] ej.api.microui-3.0.0
    • [foundation library] ej.api.microui-3.0.1
    • [foundation library] ej.api.drawing-1.0.0
    • [foundation library] ej.api.edc-1.3.2
    • [foundation library] ej.api.bon-1.4.0
    • [foundation library] ej.api.sni-1.4.0
    • [foundation library] com.microej.api.vivante-vglite-0.4.0
    • [foundation library] com.microej.architecture.verisilicon.vivante-vglite-impl-0.4.0
    • [foundation library] ej.api.vector-font-0.2.0
    • [foundation library] com.microej.vector-font-impl-0.2.0
    • [addon library] ej.library.ui.widget-3.1.0
    • [addon library] ej.library.ui.mwt-3.1.0
    • [addon library] ej.library.runtime.basictool-1.5.0
    • [addon library] ej.library.runtime.service-1.1.1
    • [addon library] ej.library.eclasspath.collections-1.4.0
    • [addon library] com.microej.vivante.utils-0.6.0
    • [frontpanel library] com.microej.pack.ui.ui-pack-13.0.0
    • [frontpanel library] com.microej.pack.ui.ui-pack-13.0.1
    • [frontpanel library] ej.tool.frontpanel.framework-1.1.0
    • [frontpanel library] ej.tool.frontpanel.widget-2.0.0
    • [frontpanel library] com.is2t.simulation.HILEngine-2.3.0
    • [wearable mock] com.microej.demo.watch.imxrt595-0.1.0
    • [MicroEJ architecture] com.is2t.CM4.platform.flopi4I35-7.14.0
    • [MicroEJ architecture UI] com.is2t.CM4.platform.flopi4I35UI-13.0.2

  • Miscellaneous

    • MicroEJ Simulator Player: player to run the pre-compiled application.
    • Tool SVG to Java class: convert .svg files in a Java class usable in an application.
    • Tool rounded image to immutables array: convert an image to be used by software accelerated algorithm.
    • Deploy tools blhost and jlink.

10.5. [0.2.0]

10.5.1. Added

  • Use National Language Support (NLS) everywhere in the application
  • Parameter page to change the language
  • Dynamic date on watchface “Flower”
  • Activity page: add calories arc and counter
  • NXP logo rotating around the mascot on the Vector Mascot page
  • VectorFont page
  • Button to back from applications list to current watchface
  • Wearable mock to simulate heart rate and power consumption
  • Implementation of Software Accelerated Rotation on the simulator (front panel)

10.5.2. Changed

  • Replace addon library com.microej.library.ui.vector-font by a foundation library:

    • ej.api.vector-font
    • com.microej.vector-font-impl

  • Heart rate application: new chart and layout

  • Improve SystemView traces in vector libraries

  • Improve Compass page performances

10.5.3. Removed

  • Old Freetype/TTF demonstration files from BSP

10.5.4. Fixed

  • Fix wrong text position and size on some TTF

10.5.5. Included Features

  • Packaging

    • Documentation
    • MicroEJ player
    • i.MX RT595 EVK Rev. B binary file
    • i.MX RT595 EVK Rev. B board support package project (BSP)
    • MicroEJ Wearable application source files
    • MicroEJ partial repository with MicroEJ UI3 artifacts (snapshots)
    • Tools

  • Application

    • Watchface “Flower”: vector hands with gradient and dynamic curved text
    • Watchface “Complete”: vector hands
    • Watchfaces selection list
    • Applications list: zoom on items and fonts
    • Application “Heart Rate”: graph
    • Application “Activity”: vector arcs with gradient and texts with gradient
    • Application “Compass”: software rotation
    • Application “VG Mascot and NXP”: SVG images
    • Application “VG Circle Arc”: vector drawings
    • Application “VG Font”: vector font drawings
    • Application “Parameters” to change the application language

  • Platform and BSP

    • MicroEJ “UI3” compatible
    • MicroUI shapes drawings performed by RT595 GPU
    • Library VGLite: draw VG paths
    • Library VectorFont: draw strings using TTF
    • Wearable mock: simulate heart rate and power consumption

  • Partial Repository

    • [foundation library] ej.api.microui-3.0.0-RC202007011514
    • [foundation library] ej.api.drawing-1.0.0-RC202007011514
    • [foundation library] ej.api.edc-1.3.2
    • [foundation library] ej.api.bon-1.4.0
    • [foundation library] ej.api.sni-1.4.0
    • [foundation library] com.microej.api.vivante-vglite-0.4.0-RC202006231021
    • [foundation library] com.microej.architecture.verisilicon.vivante-vglite-impl-0.4.0-RC202006231022
    • [foundation library] ej.api.vector-font-0.2.0-RC202007071543
    • [foundation library] com.microej.vector-font-impl-0.2.0-RC202007071734
    • [addon library] ej.library.ui.widget-3.0.0-RC202007031003
    • [addon library] ej.library.ui.mwt-3.0.0-RC202007031003
    • [addon library] ej.library.runtime.basictool-1.4.0-RC202003261106
    • [addon library] ej.library.runtime.service-1.1.1
    • [addon library] ej.library.eclasspath.collections-1.4.0-RC202005201422
    • [addon library] com.microej.vivante.utils-0.6.0-RC202006231024
    • [frontpanel library] com.microej.pack.ui.ui-pack-13.0.0-RC202006051459
    • [frontpanel library] ej.tool.frontpanel.framework-1.1.0
    • [frontpanel library] ej.tool.frontpanel.widget-2.0.0-RC202004091644
    • [frontpanel library] com.is2t.simulation.HILEngine-2.3.0
    • [wearable mock] com.microej.demo.watch.imxrt595-0.1.0-RC202007091105
    • [MicroEJ architecture] com.is2t.CM4.platform.flopi4I35-7.13.0
    • [MicroEJ architecture UI] com.is2t.CM4.platform.flopi4I35UI-13.0.0-RC202006051500

  • Miscellaneous

    • MicroEJ Simulator Player: player to run the pre-compiled application.
    • Tool SVG to Java class: convert .svg files in a Java class usable in an application.
    • Tool rounded image to immutables array: convert an image to be used by software accelerated algorithm.
    • Deploy tools blhost and jlink.

10.6. [0.1.0]

10.6.1. Added

  • MicroEJ Wearable application built for i.MX RT595 EVK Rev. B.
  • Application source files
  • MicroEJ platform source files for i.MX RT595 EVK Rev. B
  • BSP for i.MX RT595 EVK Rev. B

10.6.2. Included Features

  • Packaging

    • Documentation
    • MicroEJ player
    • i.MX RT595 EVK Rev. B binary file
    • i.MX RT595 EVK Rev. B board support package project (BSP)
    • MicroEJ Wearable application source files
    • MicroEJ partial repository with MicroEJ UI3 artifacts (snapshots)
    • Tools

  • Application

    • Watchface “Flower”: vector hands with gradient
    • Watchface “Complete”: vector hands
    • Watchfaces selection list
    • Applications list: zoom on items and fonts
    • Application “Heart Rate”: graph
    • Application “Activity”: vector arc with gradient and text with gradient
    • Application “Compass”: software rotation
    • Application “VG Mascot”: SVG image
    • Application “VG Circle Arc”: vector drawings

  • Platform and BSP

    • MicroEJ “UI3” compatible
    • MicroUI shapes drawings performed by RT595 GPU
    • Library VGLite: draw VG paths
    • Library VectorFont: draw strings using TTF

  • Partial Repository

    • [foundation library] ej.api.microui-3.0.0-RC202006111821
    • [foundation library] ej.api.drawing-1.0.0-RC202006111821
    • [foundation library] ej.api.edc-1.3.2
    • [foundation library] ej.api.bon-1.4.0
    • [foundation library] ej.api.sni-1.4.0-RC201910172353
    • [foundation library] com.microej.api.vivante-vglite-0.4.0-RC202006231021
    • [foundation library] com.microej.architecture.verisilicon.vivante-vglite-impl-0.4.0-RC202006231022
    • [addon library] ej.library.ui.widget-3.0.0-RC202006191134
    • [addon library] ej.library.ui.mwt-3.0.0-RC202006221229
    • [addon library] ej.library.runtime.basictool-1.4.0-RC202003261106
    • [addon library] ej.library.runtime.service-1.1.1
    • [addon library] ej.library.eclasspath.collections-1.4.0-RC202005201422
    • [addon library] com.microej.vivante.utils-0.6.0-RC202006231024
    • [addon library] com.microej.library.ui.vector-font-0.5.0-RC202006231026
    • [frontpanel library] com.microej.pack.ui.ui-pack-13.0.0-RC202006051459
    • [frontpanel library] ej.tool.frontpanel.framework-1.1.0
    • [frontpanel library] ej.tool.frontpanel.widget-2.0.0-RC202004091644
    • [frontpanel library] com.is2t.simulation.HILEngine-2.3.0
    • [MicroEJ architecture] com.is2t.CM4.platform.flopi4I35-7.13.0-RC202006172329
    • [MicroEJ architecture UI] com.is2t.CM4.platform.flopi4I35UI-13.0.0-RC202006051500

  • Miscellaneous

    • MicroEJ Simulator Player: player to run the pre-compiled application.
    • Tool SVG to Java class: convert .svg files in a Java class usable in an application.
    • Tool rounded image to immutables array: convert an image to be used by software accelerated algorithm.
    • Deploy tools blhost and jlink.