common/arduino-atmega/include/arduino_pinmap.h

Mapping from MCU pins to Arduino pins for Arduino Atmega boards.

You can use the defines in this file for simplified interaction with the Arduino specific pin numbers.

ARDUINO_A0
1
ADC_LINE(0)
ARDUINO_A1
1
ADC_LINE(1)
ARDUINO_A2
1
ADC_LINE(2)
ARDUINO_A3
1
ADC_LINE(3)
ARDUINO_A4
1
ADC_LINE(4)
ARDUINO_A5
1
ADC_LINE(5)
ARDUINO_A6
1
ADC_LINE(6)
ARDUINO_A7
1
ADC_LINE(7)