* Start of SGP40 dev
* Clean up
* Initial Commit
* VOC is working
* Fixed up sensor config
* Lint Fixes
Added in save/restore baseline
Noted original repo in header
* Lint Fixes
Added to test
* Lint Fixes
* Added additional check on restoring
* Removed double check
* Changed defines to static const double
* Changed defines to const
Do not send voc index until sensor stabilizes
* Fixed sensor stabilization message
* Fixup according to PR
* samples_read increment fix
* Fixed missing device class
* Choose a SENSOR device class
* Moved some sensors for tests
Co-authored-by: Guillermo Ruffino <glm.net@gmail.com>
Otto Winter
SenexCrenshaw