File content as of revision 5:dfea493f7a12:

//Define the file once, in the C and C++ programming languages, an #include guard,is a particular construct used to 
//avoid the problem of double inclusion when dealing with the include directive. The addition of #include guards to a header file is one way to make that file idempotent.
#ifndef FUNCDEF_H
#define FUNCDEF_H

//Import Modules
#include <mbed.h>

//Set up PC link (comment out when not using), set up 9600 if using plotter
static Serial pc = Serial(USBTX, USBRX);

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//Pin Names
#define sensor1pin A0
#define sensor2pin A1
#define sensor3pin A2
#define sensor4pin A3
#define sensor5pin A4
#define sensor6pin A5
#define sensor7pin A6
#define sensor8pin D3

#define leftMotorpin D6
#define rightMotorpin D1
#define beeperPin D10

#define Kp 50
#define Ki 0
#define Kd 0
#define Ac 10

#define period_F6 716
#define period_E6 758
#define period_D6 851
#define period_B6 506
#define period_A6 568
//http://www.sengpielaudio.com/calculator-notenames.htm

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//Pin Definitions
static DigitalOut LEDVal = DigitalOut(LED1);

static PwmOut leftMotorVal=PwmOut(leftMotorpin);
static PwmOut rightMotorVal=PwmOut(rightMotorpin);
static PwmOut beeperVal = PwmOut(beeperPin);

static AnalogIn sensorPin[] = {A0,A1,A2,A3,A4,A5,A6,D3};

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//Global Variable Definitions
extern int sensorValue[8];

extern int sensorMinValue[8];
extern int sensorMaxValue[8];

extern int sensorMinValue1[8];
extern int sensorMaxValue1[8];

extern int sensorMinValue2[8];
extern int sensorMaxValue2[8];

extern int sensorThreshold[8];
extern int sensorErrors[8];

extern int Prop;
//extern int Inte;
//extern int Dere;
extern int errorVar;
extern int previousError;
extern int PIDs;
extern int accumulator;
extern int counter;
extern int delayBetweenPulses_ms;
extern int note;
extern int initialMotorspeed;
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//Function Definitions

void CalibrateFunc(void);
void printCalibrateValues(void);
void beep(int);
void senseFunc(void);
void calculateFunc(void);
void driveFunc(void);
void findLineFunc(void);
void errorAccumulate(void);

#endif // FUNCDEF_H