change temp reading interval to 1.5 seconds to give display time to catch up

add logic to handle bad/unreadable temp probes, document same, minor typo fixes in docs

update code comment to correctly note newer, wider temp range than original implementation

turn off DEBUG by default, add section to docs on calibration

adjust interval beep to be less obnoxious, update copyright date

adjust interval beep to be less obnoxious

make dimmest setting default for both LEDs in all profiles

update the documentation and comments to reflect this code is stable

add audible alert for out-of-range temps in compensating profiles; allow bigger inter-measurement temperature jumps from probe as being valid

expand temperature compensation range to 65F to 85F and updates tables accordingly

remove unnecessary compensation lookup table for realtime

consolidate debug output into one location, remove beep() debug output

deglobalize both led objects and rename them as "LED" static properties of their respective display routines ...

deglobalize both led objects and rename them as "LED" static properties of their respective display routines

store remaining global variables as function statics

make current temperature an attribute of the monitor_temp function instead of a global

put main timing loop on its own thread

added startup "chirp" sound, added documentation for sounds ...

typos

display temperature sentinel at startup

collapse profile switch handling into a single thread, further reorg of supporting functions

consolidate temperature monitoring into a single thread, slight reordering of subroutine definitions

initial set of basic docs complete ...

readme formatting

minor doc cleanup

more doc cleanup, update todo

typo and clarification

clarify/cleanup docs in code and md file for 1-wire support

more cleanup and clarification

update note on 1-wire support, fix typo

reorganize readme and add section on operating the timer

add description of temperature sentinel, tidy up todos

comment typo

continuously monitor profile switch allowing user to change it while running, update todos with cleanup tasks

fix display dimming based on profile switch setting at boot and timer start

add logic to read the profile selection switch

parameterize beep() to use different sounds for start/stop and interval alarms

audible alert on start/stop, simplify beep sound

add support for piezo buzzer beeps

configure temp probe handling to use /opt/devtimer/temp_probe symlink

further cleanup and tuning of footswitch debounce logic

tune footswitch debounce logic

implement foot switch handling as an isr with rudimentary debounce logic

canonicalize references to wiringpi methods and constants

enable basic footswitch control

initialize the time display on boot

remove unneeded globals file from repo, update todos

cleanup out of range temperature handling

fix leading zero suppression logic, generally tidy up temperature reporting

give time and temp led device objects more descriptive names

suppress leading zeros in temp display, add startup temp sentinel, reorg constants and globals

collapse temperature code and globals into main module, implement temp out-of-range signaling

add support for negative temps

simplify thread start syntax

add basic scaffolding for footswitch control

add support for second display for temperature and display dimming in film mode

clean up function names, use consistent threading syntax for both display and temp management

implement basic multithreading between display and temperature logic

add module for reading and conditioning the temperature probe samples

fix typos and clarify key comments

added support for full table of correction constants from 60-80F for realtime, paper, and film

add function to return selected compensation profile

gave display constants unique names to accommodate multiple displays in the future

beep on start, only save last loop time if debugging

move gpio init under __main__, clarify compensation table comment

improved/fixed comments

fix time compensation logic, add beep(), add debug capability

implement basic temperature-dependent timing logic

factored led driver into separate file, general cleanup

initial checkin