isWritingI2C()

bool isWritingI2C();

void setup() {
    beginEEPROM(32);        // initializes the EEPROM with 32 bytes of memory
    beginI2C(4, 5, 0x20);   // initializes the I2C communication with the SDA pin connected to pin 4, the SCL pin connected to pin 5, and the address of the chip set to 0x20
}

void loop() {
    if (stillOpenI2C()) {           // checks if the I2C bus is still open
        if (isReadingI2C()) {       // checks if the I2C bus is currently reading data
            writeI2C("x is ");      // sends the string "x is " to the follower chip
        }
        if (isWritingI2C()) {                  // checks if the I2C bus is currently writing data
            unsigned char val = readI2C();     // reads data from the follower chip
            writeI2C(val);                  // writes the data to the EEPROM
        }
    }
}