#include <Wire.h>
#include "Adafruit_FRAM_I2C.h"

/* Connect SCL    to analog 5
   Connect SDA    to analog 4
   Connect VDD    to 5.0V DC
   Connect GROUND to common ground */
   
Adafruit_FRAM_I2C fram     = Adafruit_FRAM_I2C();
uint16_t          framAddr = 0;

void writeByte(uint16_t pos,uint8_t value) {
  fram.write8(pos,value);
  Serial.print("Write Byte: ");
  Serial.println(value, HEX);
}

uint8_t readByte(uint16_t pos){
  uint8_t value;
  value = fram.read8(pos);
  Serial.print("Read Byte: ");
  Serial.println(value, HEX);
  return value;
}

void dump(){
  uint8_t value;
  for (uint16_t a = 0; a < 32768; a++) {
    value = fram.read8(a);
    if ((a % 32) == 0) {
      Serial.print("\n 0x"); 
      Serial.print(a, HEX); 
      Serial.print(": ");
    }
    Serial.print("0x"); 
    if (value < 0x1) 
      Serial.print('0');
    Serial.print(value, HEX); 
    Serial.print(" ");
  }
}

void setup() {
  // Check code
  Serial.begin(9600);
  
  if (fram.begin()) {  // you can stick the new i2c addr in here, e.g. begin(0x51);
    Serial.println("Found I2C FRAM");
  } else {
    Serial.println("No I2C FRAM found ... check your connections\r\n");
    while (1);
  }

  uint8_t letter = 82;
  writeByte(0x0,letter);
  dump();
}

void loop() {
  // put your main code here, to run repeatedly:

}