wasp-os/TODO.md

Roadmap

M1: Dumb watch feature parity

The focus for M1 is to get WASP both to meet feature parity with a dumb watch and to have a bootloader and watchdog strategy that is robust enough to allow a PineTime case to be confidently glued shut.

Bootloader

• Basic board ports (PineTime, DS-D6, 96Boards Nitrogen)
• OTA application update
• Enable watchdog before starting the application
• Splash screen
• Ignore start button for first few seconds

MicroPython

• Basic board ports (PineTime, DS-D6, 96Boards Nitrogen)
• Long press reset (conditional feeding of the watchdog)
  • Feed dog from REPL polling loop
  • Feed dog from a tick interrupt

WASP

• Display driver
  • Display initialization
  • Bitmap blitting
  • RLE coder and decoder
  • Optimized RLE inner loops
• Backlight driver
• Button driver (polling)
• Battery/charger driver
• Simple clock and battery level application
• Basic (WFI) power saving
• Implement simple RTC for nrf52

M2: Great developer experience

The focus for M2 is to make development faster and easier by providing a file system and file transfer code. This allows much faster development cycles compared to full downloads of frozen modules. Additionally support for multiple event-driven applications will be added during M2 to further help developers by providing example applications.

Bootloader

• OTA bootloader update
• RTC time measurement whilst in bootloader

MicroPython

• SPI FLASH driver
• Enable LittleFS on SPI FLASH (at boot)
• BLE file transfer

WASP

• Add dd/mm/yyyy support to RTC
• Button driver (interrupt based)
• Touch sensor driver
• Event driven application framework
• Stopwatch app
• Settings app
• PC-hosted simulation platform
• [.] Documentation
  • Sphinx framework and integration with github.io
  • Document bootloader protocols
  • Write full docstring documentation for all WASP components
• Application Launcher
• Debug notifications
• [o] Multi-colour RLE images
  • Optimized "2-bit" RLE encoder and decoder
  • Logarithmic RBG332 <-> RGB56516bit color space conversion

M3: Smartwatch

At M3 we start to build out full fitness tracking and notification functionality.

Bootloader

• Stay in bootloader after battery run down
• Implement power off support (no splash screen)

Micropython

• Use SoftDevice sleep logic
• Automatically enter SPI flash power saving mode

WASP

• Enable heart rate sensor
  • HRS3300 driver
  • HRS data post-processing
  • Heart rate counter app
• Notifications
  • BLE notification protocol
  • Notification popups
  • Notification app (show notification history)
  • Find a recommended Android app
• Step counting
  • BMA421 driver
  • Step counter app