#include <Adafruit_SSD1306.h>
#include <Servo.h>
#include <avr/pgmspace.h>
#include <Wire.h>
#include <Adafruit_GFX.h>

Adafruit_SSD1306 oled(128,64,&Wire,-1);
Servo rightServo;

int brainHighlight = 0;
int redPin = 3;
int bluePin = 6;
int greenPin = 5;

const char string_0[] PROGMEM = "The Frontal Lobe is  responsible for      controlling the way  you think, how you   move, how you        remember things, and how you interact withothers."; // "String 0" etc are strings to store - change to suit.
const char string_1[] PROGMEM = "The Cerebral Cortex  is important for     memory, thinking,    learning, reasoning, problem-solving,     emotions, and        consciousness.";
const char string_2[] PROGMEM = "The Corpus Callosum  allows information totransfer from one    side of the brain to the other, and plays a key role in        movement control of  the body.";
const char string_3[] PROGMEM = "The Occipital Lobe isimportant for        processing distance, depth, perception,   color determination, object and face      recognition, and     formation of memory.";
const char string_4[] PROGMEM = "The Parietal Lobe is responsible for      processing touch,    pressure, heat, cold,and pain.";
const char string_5[] PROGMEM = "The Pons handles a   person's sleep/wake  schedule and         breathing. The Pons  produce dopamine and acetylcholine.";
const char string_6[] PROGMEM = "The Cerebellum is    responsible for      movement and balance.It is also a vital   part of language,    attention, and eye   movement.";
const char string_7[] PROGMEM = "The Pituitary Gland  is the master gland, which controls sexualdevelopment, growth, and regulates other  hormones.";
const char string_8[] PROGMEM = "The Hypothalamus is  the smart control    center, which is     responsible for      keeping the body in  homeostasis.";
const char string_9[] PROGMEM = "The Medulla Oblongatamanages the heart,   breathing, and       circulation          throughout the body.";
const char string_10[] PROGMEM = "The Thalamus is the  relay station. All   senses (except smell)must pass through    here for             interpretation.";
const char string_11[] PROGMEM = "The Spinal Cord sendsmotor commands from  the brain to the     body, sends sensory  information to the    brain, and          coordinates reflexes.";
const char *const string_table[] PROGMEM = {string_0, string_1, string_2, string_3, string_4, string_5, string_6, string_7, string_8, string_9, string_10, string_11};
char buffer[256];  // make sure this is large enough for the largest string it must hold

void setup(){
 Serial.begin(9600);
 pinMode(redPin, OUTPUT);
 pinMode(bluePin, OUTPUT);
 pinMode(greenPin, OUTPUT);
 pinMode(7,INPUT_PULLUP);
 rightServo.write(90);
 rightServo.attach(11);

 if(!oled.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3D for 128x64
    Serial.println(F("SSD1306 allocation failed"));
    for(;;); // Don't proceed, loop forever
  }
}

void loop(){
  oled.clearDisplay();
  oled.setTextSize(1);
  oled.setTextColor(WHITE);
  oled.setCursor(1,0);
  if(brainHighlight < 11 && digitalRead(7) == LOW){
    strcpy_P(buffer, (char *)pgm_read_ptr(&(string_table[brainHighlight])));
    oled.println(buffer);
    oled.display();
    brainHighlight = brainHighlight + 1;
  }else if(brainHighlight == 11 && digitalRead(7) == LOW){
    strcpy_P(buffer, (char *)pgm_read_ptr(&(string_table[brainHighlight])));
    oled.println(buffer);
    oled.display();
    brainHighlight = 0;
  }
  delay(250);
 }

 void setColor(int redValue, int greenValue, int blueValue) {
  analogWrite(redPin, redValue);
  analogWrite(greenPin, greenValue);
  analogWrite(bluePin, blueValue);
}