HSP Platform firmware evaluating ECG data and hearth rate over PPG data.

Dependencies:   max32630fthr Adafruit_FeatherOLED USBDevice

Update to allow online compilation of the MAXREFDES101 example source code, Health Sensor Platform 2 (HSP2)

Modify to allow online compilation. Move initialization of variables from DSInteface.h to DSInteface.cpp. Set the MAXIM_PLATFORM_NAME to Pegasus

Example source code for MAXREFDES101. HSP, MAX86141, Maxim, maxrefdes101