KIR Misc Functions.ino
These miscelaneous functions cover:
- Low Power Operation
- Low power sleep mode
- Setting MCU oscillator frequency
- Supply voltage measurement
- Reading average supply votage from ADC
- Printing out ATmega328PB fuse settings and lockbits, in debug mode.
initPins
This function sets the pinMOde for the non row/col pins and sets their HIGH/LOW level as appropriate. This essentialy covers the 2 IR receivers, The IR emitter, the 2 I2C pins and the GPIO power supply pins for the optional IR receivers and I2C EEPROM (Both of which are powered off by default).