v0.1.0

Changes:

• UI:
  • simple main screen with large temperature font
  • added menu screen with basic settings
  • added option for switching advanced main screen
  • Fahrenheit / Celsius option
  • left-handed mode (rotate display upside down and also reverse buttons to work correctly)
  • menu show also some verbose information like CPU supply, heater current and resistance, ..
  • save settings into FLASH (log based storage, to keep long flash endurance)
• background:
  • refactored analog and heating part
  • many code optimizations
  • heating current compensation for better accuracy (HAL current sensor also measure surrounding magnetic field not only current, actual error show in menu)
  • added under voltage limit (limit heating power if supply voltage drop too low)
  • added Watchdog
  • fixed wrong behavior of long button press
  • added nonvolatile storage for settings (used last block in flash)
  • removed all debug output on Tx pin
• other:
  • created simple manual
  • screenshot maker (take screenshot over SWD ST-Link/V2)
  • script for testing HW buttons without display (using SWD ST-Link/V2)