created separate function for hex to char

Dependencies:   SDFileSystem ds3231 eeprom_Nikita mbed testUniGraphic_150217

Fork of SS_SensePOC2P0_11Dec2017_USERPID by rashmi v

Revisions of bt.cpp

Revision Date Message Actions
19:1650bbc923cc 2017-06-09 integrated code with bluetooth File  Diff  Annotate