## Changelog

### v0.75-alpha1
- Include explicitly closed source license for now.
- Auto-initialize optional submodules when needed.
- Reduce number of watchdog timer resets.
- Fix command parser tail pointer semantics.
- Improve sensor log readability and minor naming fixes.
- Add multiple README sections and use markdown formatting.
- Reduce RXBUF size to match parser and space out log messages.
- Prevent redundant writes and start implementing parser timeout.
- Fix large serial command input triggering watchdog.
- Implement serial command parser with floating point support.
- Use reference sentinel to efficiently reset dirty flags on rollover.
- Pass variable structure as argument for memory functions.
- Fix possible race condition and ensure proper reset flag detection.
- Check MCUCSR for WDRF flag only.
- Implement memory wear leveling algorithm.
- Define memory manager constants.
- Dump EEPROM to ensure low level memory access is working correctly.
- Implement raw EEPROM read and write functionality.
- Burn EESAVE fuse to preserve EEPROM on chip erase.
- Define basic EEPROM data structures and functions.
- Implement alternate voltage divider equation.
- Calculate average dewpoint from multiple sensor measurements.
- Test different approach for resistance calculation.
- Ensure math functions are named consistently.
- Make sure dewpoint calculations are correct.
- Split thermistor functions into separate logical units.
- Implement all required conversion functions.
- Define conversion functions for TD, T and RH.
- Update planned FREQ, ARCH, MCU and fix superfluous whitespace.
- Define basic structure for primary state machine.
- Remove executable bit from pdf files.
- Add data sheet for ATMEGA1284P.
- Poll ADC mode bit until conversion has finished.
- Set FAN03 to maximum duty and declutter log output.
- Calculate temperature from thermistor resistance.
- Set ADC gain to 6.144V and fix multiplexer channel documentation.
- Define constants for ADC multiplexer settings and describe I2C status flags.
- Define constants for watchdog timeout flags.
- Initialize OCR1A to FAN02\_MIN\_DUTY and add PWM documentation.
- Minor coding style and consistency fixes.
- Jump to reset vector when program exceeds specified watchdog timeout.
- Start implementing watchdog timer.
- Make log output slightly more readable.
- Implement ADS1115 register reading and writing.
- Try setting variable PWM frequency with timer2.
- Set pin for light MOSFET to low in MOS\_Init.
- Remove invisible runtime assertions.
- Rename module TWI to I2C and add comments.
- Read and translate AHT20 sensor readings.
- Move PWM and MOSFET implementations into separate module files.
- Ensure correct naming for PWM devices.
- Calculate PWM\_CYCLE\_TOP from F\_CPU.
- Add more general SetMosState() and SetPwmValue() functions.
- Configure PWM timers for 25 KHz.
- Handle PWM on pin PD4, PD5 and PD7.
- Start working on system initialization.
- Add data sheets for ADS1115 and AHT20.
- Handle I2C multiplexer channel selection.
- Implement USART with bot RX and TX interrupts.
- Rewrite logging system and sync state with clients.
- Handle numeric arguments for TEMP/DEWP commands.
- Update documentation and add USART specification.
- Start implementing proper parser state machine.
- Add optional project submodules 'tools' and 'webgui'.
- Implement ring buffer and auxiliary functions.
- Add swapfiles and bin/ to .gitignore.
- Handle USART\_RXC interrupt.
- Implement basic UART reading.