Walk Helper for Mentally Challenged Students

#define RIGHT         0001
#define LEFT          0002
#define NORMAL        0003 
#define FRONT         0004
#define BACK          0005
#define RIGHT_FRONT   0006
#define RIGHT_BACK    0007
#define LEFT_FRONT    0011
#define LEFT_BACK     0012
 
#include "CurieIMU.h"
 
int tilted = NORMAL;
int SAVED_TILT = NORMAL;
 
void setup() {
 
  pinMode(10, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(13, OUTPUT);
  
  Serial.begin(9600); // initialize Serial communication
  while (!Serial);    // wait for the serial port to open
 
  // initialize device
  Serial.println("Initializing IMU device...");
  CurieIMU.begin();
 
  // Set the accelerometer range to 2G
  CurieIMU.setAccelerometerRange(2);
}
 
void loop() {
  float ax, ay, az;   //scaled accelerometer values
 
  // read accelerometer measurements from device, scaled to the configured range
  CurieIMU.readAccelerometerScaled(ax, ay, az);
  
//=============================================
  if(ax*10 <= -5) //오른쪽
  {
      if(az*10 <= 7)
      {
        tilted = RIGHT;
      }
      else
      {
        tilted = NORMAL;
      }
  }
  else if(ax*10 >= 5) //왼쪽
  {
      if(az*10 >= -7)
      {
        tilted = LEFT;
      }
      else
      {
        tilted = NORMAL;
      }
  }
  else
  { 
     tilted = NORMAL;
  } //오른쪽
//=============================================
  SAVED_TILT = tilted;    //저장
//=============================================
  if(ay*10 >= 5.5)            //앞
  {
   if(tilted == NORMAL)
   {
    tilted = FRONT; 
   }
   else if(tilted == RIGHT)
   {
    tilted = RIGHT_FRONT;
   }
   else if(tilted == LEFT)
   {
    tilted = LEFT_FRONT;
   }
  } else if(ay*10 <= -5.5)     //뒤
  {
   if(tilted == NORMAL)
   {
    tilted = BACK; 
   }
   else if(tilted == RIGHT)
   {
    tilted = RIGHT_BACK;
   }
   else if(tilted == LEFT)
   {
    tilted = LEFT_BACK;
   }
  }
  else
  {
    tilted = SAVED_TILT;
  }
  //=============================================
  int delaytime = random(10,500);
  // display tab-separated accelerometer x/y/z values
  Serial.print(ax*10);
  Serial.print("  ");
  Serial.print(ay*10);
  Serial.print("  ");
  Serial.print(az*10);
  Serial.print("  ");
  Serial.print("Status : ");
  
  if(tilted == LEFT)
  {
    Serial.print("LEFT TILTED");
    digitalWrite(13,HIGH);
    delay(delaytime);
  }
  else if(tilted == NORMAL)
  {
    Serial.print("NOT TILTED");
    delay(100);
  }
  else if(tilted == RIGHT)
  {
    Serial.print("RIGHT TILTED");
    digitalWrite(12,HIGH);
    delay(delaytime);
  }
  else if(tilted == FRONT)
  {
    Serial.print("FRONT TILTED");
    digitalWrite(11,HIGH);
    delay(100);
  }
  else if(tilted == BACK)
  {
    Serial.print("BACK TILTED");
    digitalWrite(10,HIGH);
    delay(100);
  }
  else if(tilted == RIGHT_FRONT)
  {
    Serial.print("RIGHT & FRONT TILTED");
    digitalWrite(12,HIGH);
    digitalWrite(11,HIGH);
    delay(100);
  }
  else if(tilted == RIGHT_BACK)
  {
    Serial.print("RIGHT & BACK TILTED");
    digitalWrite(12,HIGH);
    digitalWrite(10,HIGH);
    delay(100);
  }
  else if(tilted == LEFT_FRONT)
  {
    Serial.print("LEFT & FRONT TILTED");
    digitalWrite(13,HIGH);
    digitalWrite(11,HIGH);
    delay(100);
  }
  else if(tilted == LEFT_BACK)
  {
    Serial.print("LEFT & BACK TILTED");
    digitalWrite(13,HIGH);
    digitalWrite(10,HIGH);
    delay(100);
  }
  digitalWrite(13,LOW);
  digitalWrite(12,LOW);
    digitalWrite(11,LOW);
  digitalWrite(10,LOW);
  Serial.println("  ");
  delay(10);
}
 
 
 
 
https://github.com/01org/corelibs-arduino101/tree/master/libraries