Add Bangle.js 2, JDI memory displays and ACeP epd #7497
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This 2-in-1 PR started with the goal of support the Bangle.js 2 smartwatch with *no USB*. * Adds "secure" DFU build support with a committed private key. * Adds 3-bit color support with one dummy bit for the JDI memory display * Allows nrf boards to have a board_background_task() run in RUN_BACKGROUND_TASK. This is needed because the Bangle.js 2 uses the watchdog to reset. * Renamed port_background_task() to port_background_tick() to indicate it runs on tick, not RUN_BACKGROUND_TASK. * Marks serial connected when the display terminal is inited. This means that safe mode messages show up on the display. ACep, 7-color epaper displays also pack 3 bits in 4. So, I added that support as well. * Adds 3-bit ACeP color support for 7-color e-paper displays. (Not watch related but similar due to color depth.) * Allows a refresh sequence instead of a single int command. The 7" ACeP display requires a data byte for refresh. * Adds optional delay after resetting the display. The ACeP displays need this. (Probably to load LUTs from flash.) * Adds a cleaning phase for ACeP displays before the real refresh. For both: * Add dither support to Palette. * Palette no longer converts colors when set. Instead, it caches converted colors at each index. * ColorConverter now caches the last converted color. It should make conversions faster for repeated colors (not dithering.)
dhalbert
requested changes
Feb 17, 2023
Only uppercase ASCII letters a-z. This saves ~900 bytes. Previously written files with other unicode letters will only be accessible from their upper cased path.
dhalbert
requested changes
Feb 24, 2023
Also added label portion to the test.
dhalbert
approved these changes
Feb 24, 2023
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This 2-in-1 PR started with the goal of support the Bangle.js 2 smartwatch with no USB.
ACep, 7-color epaper displays also pack 3 bits in 4. So, I added that support as well.
For both: