split tests into modules

updated gitignore

put back "official" pin assignment

- use size_t ...

- added tests
- some small improvements

- made function parameters readonly ...

- types with capital first letter
- updated comments and documentation

- use program space for unit test instances instead of data space ...

- "private" variables static
- removed updateDisplay()
- renamed some functions

ISP port /dev/ttyACM3

do not reset latest measurements

added module strings with split function, added tests

finally updatePending is set at the right time so display is always ...

updated immediately

corrected wrong value in lambda lookup table

use "official" (diagram) pins

added todo

moved ADC and LCD pin constants to pins.h

- added comments ...

- fixed splitting command string into fields
- improved handling of display updates
- moved MIN/MAX macros to integers.h

moved ISRs to module interrupts

Another Jenkins test

Added comment, adjusted existing tests

- Use SLEEP_MODE_IDLE instead of SLEEP_MODE_ADC (and ...

loop_until_bit_is_clear(ADCSRA, ADSC)) since it will not corrupt USART
RX/TX data and click the beep
- Use shorter commands to for less typing and memory
- Command to enable/disable logging
- Use atoi() instead of strtol() since it requires less flash and should
be sufficient here

- Set and cancel alerts ...

- Display text
- Receive USART data
- Simulation by sending measurement values via USART
- Added some commands like enabling and disabling simulation
- Some refactoring and renaming of functions
- Comments missing
- Tests missing

- Include min lambda value in max measurements and vice versa ...

- Added timer1 toggling PB1 (beeper) at 1.95 kHz
- Added initial alert module

- Other symbols for display options ...

- Measure and display only every second but update the display
additionally when the menu button was pushed

Corrected wrong calculation

Refactored to use a timer interrupt polling the button instead of the ...

button triggering an interrupt, replaced the delay by a timer and
separated logging from updating the display

Use defined ADC pins in other test as well, some cleanup

Moved ADC pin defines to adc.h and use them in adc.c (DIDR) and in the ...

tests as well

Typo in comment

- Put ADC pins in sensors.h ...

- Added comments for pin assignment in "official" diagram

Added a simple "menu" (display options that show min and max ...

measurements since last start/reset) accessible through a pushbutton
triggering an PICINT interrupt. Added two modules "interrupts" and
"display", refactored code and added some tests.

Do not divide the oxygen sensor voltage by 11 before looking up the ...

lambda value but multiply the voltages in the lookup table by 11