Datasheet

// Adafruit nRF52 Boards require Firmata at least 2.5.7

#include <bluefruit.h>

#include <Servo.h>

#include <Wire.h>

#include <Firmata.h>

#define I2C_WRITE B00000000

#define I2C_READ B00001000

#define I2C_READ_CONTINUOUSLY B00010000

#define I2C_STOP_READING B00011000

#define I2C_READ_WRITE_MODE_MASK B00011000

#define I2C_10BIT_ADDRESS_MODE_MASK B00100000

#define I2C_END_TX_MASK B01000000

#define I2C_STOP_TX 1

#define I2C_RESTART_TX 0

#define I2C_MAX_QUERIES 8

#define I2C_REGISTER_NOT_SPECIFIED -1

// the minimum interval for sampling analog input

#define MINIMUM_SAMPLING_INTERVAL 1

// Adafruit

uint8_t ANALOG_TO_PIN(uint8_t n)

{

switch (n)

{

case 0 : return PIN_A0;

case 1 : return PIN_A1;

case 2 : return PIN_A2;

case 3 : return PIN_A3;

case 4 : return PIN_A4;

case 5 : return PIN_A5;

case 6 : return PIN_A6;

case 7 : return PIN_A7;

}

return 127;

}

/*==============================================================================

* GLOBAL VARIABLES

*============================================================================*/

#ifdef FIRMATA_SERIAL_FEATURE

SerialFirmata serialFeature;

#endif

BLEUart bleuart;

/* analog inputs */

int analogInputsToReport = 0; // bitwise array to store pin reporting

/* digital input ports */

byte reportPINs[TOTAL_PORTS]; // 1 = report this port, 0 = silence

byte previousPINs[TOTAL_PORTS]; // previous 8 bits sent