Support for Arduino Nano Every

Author: pgrawehr

Boards.h

@@ -238,6 +238,20 @@ writePort(port, value, bitmask):  Write an 8 bit port.
 #define PIN_TO_PWM(p)           PIN_TO_DIGITAL(p)
 #define PIN_TO_SERVO(p)         (p)
 
+#elif defined(AVR_NANO_EVERY) || defined(ARDUINO_NANO_EVERY) || defined(ARDUINO_AVR_NANO_EVERY)
+#define TOTAL_ANALOG_PINS 8
+#define TOTAL_PINS 24 // 14 digital + 8 analog + 2 i2c
+#define IS_PIN_DIGITAL(p) ((p) >= 2 && (p) <= 21) // TBD if pins 0 and 1 are usable
+#define IS_PIN_ANALOG(p) ((p) >= 14 && (p) < 14 + TOTAL_ANALOG_PINS)
+#define IS_PIN_PWM(p) digitalPinHasPWM(p)
+#define IS_PIN_SERVO(p) (IS_PIN_DIGITAL(p) && (p) < MAX_SERVOS) // deprecated since v2.4
+#define IS_PIN_I2C(p) ((p) == PIN_WIRE_SDA || (p) == PIN_WIRE_SCL) // SDA = 22, SCL = 23
+#define IS_PIN_SPI(p) ((p) == SS || (p) == MOSI || (p) == MISO || (p) == SCK)
+#define PIN_TO_DIGITAL(p) (p)
+#define PIN_TO_ANALOG(p) ((p) - 14)
+#define PIN_TO_PWM(p) PIN_TO_DIGITAL(p)
+#define PIN_TO_SERVO(p) (p) // deprecated since v2.4
+
 // Arduino DUE
 #elif defined(__SAM3X8E__)
 #define TOTAL_ANALOG_PINS       12