Pronounced Pine-Timers, my operating system for the PineTime using rtic.

• rtic
  • Hardware tasks
  • Software tasks
  • GPIOTE tasks
• ST7789 display
  • Driver
  • embedded_graphics interface
• CST816S Touch controller
• XT25F32B-S 4MiB external flash
  • Buffered read/write (page-level to allow page erase)
  • Index trait interface?
• Real-Time Clock
• Bluetooth
  • Driver
  • Read battery percentage
  • Read/write datetime
  • OTA firmware update
    • Follow InfiniTime's DFU protocol?
• MCUBoot/InfiniTime bootloader support
  • Memory location (0x8000 instead of 0x0000)
  • Watchdog petting
  • Verifying firmware
• HRS3300 Heartrate Sensor
• BMA423 Accelerometer
  • Step Counter
  • Activity Recognition: Running, Walking, Still
  • Tilt-On-Wrist detection
  • Tap/Double tap interrupt (for disabled touch panel?)

1. Push button
2. Touch panel
3. Charging state

0. SPIM
1. TWIM

To build and flash, simply run make. To get the RTT output, use telnet localhost 6969