added presentation files
working threadin light_aware
refactor code light_aware
modified SignalProcessing and added FFTAlgorithm class
modified SignalProccessing allowing different implementation
added goertzel algorithm
added modified MakeFile
adc added defalut initialization
refactor of Signal Processing class
fix SignalProcessing.h and makefile
Refactoring to allow more costumization on FFT algorithm implemented
added commentsand lightLevel function
more robust adc library initialization
Add the manager class to manage the subscriptions
Add functions record and unrecord
Merge branch 'grp72' of https://github.com/DanieleGravina/RtosContextAware into grp72
added call to subscribe in light_aware
p
update
ultimate the subscribe class