File content as of revision 0:089b4c4f2b6f:

// importing the libraries
#include "mbed.h"
#include "TMP102.h"
#include "N5110.h"
#include "Joystick.h"
#include "Bitmap.h"

//Buttons
InterruptIn button_back(PTB19);
InterruptIn button_start(PTC5);
InterruptIn button_a(PTB9);
InterruptIn button_b(PTD0);
InterruptIn button_x(PTC17);
InterruptIn button_y(PTC12);
InterruptIn button_left(PTB18);
InterruptIn button_right(PTB3);
InterruptIn sw2(SW2);
InterruptIn sw3(SW3);

//LEDs
PwmOut led_red1(PTA1);
PwmOut led_red2(PTA2);
PwmOut led_red3(PTC2);
PwmOut led_green1(PTC3);
PwmOut led_green2(PTC4);
PwmOut led_green3(PTD3);
DigitalOut boardled_red(LED_RED);
DigitalOut boardled_green(LED_GREEN);
DigitalOut boardled_blue(LED_BLUE);

// Joystick, LCD & TMP102
Joystick Joystick(PTB10,PTB11,PTB16);
N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11);
TMP102 tmp(I2C_SDA,I2C_SCL);

//Piezo
PwmOut piezo(PTC10);

//serial
Serial pc(USBTX,USBRX);

// variables
volatile int button_a_flag = 0;
volatile int button_b_flag = 0;
volatile int button_x_flag = 0;
volatile int button_y_flag = 0;
volatile int button_left_flag = 0;
volatile int button_right_flag = 0;
volatile int button_back_flag = 0;
volatile int button_start_flag = 0;
volatile int CwsHiSP = 20;
volatile int HwsKaSP = 70;
volatile int HwsLoLimSP = 50;
volatile int CustomLoSP = 10;
volatile int CustomLoSPChange = 0;
volatile int CustomHiSP = 20;
volatile int CustomHiSPChange = 0;

// voids
// functions that will be used in the code
//void error();
void init_serial();  // sets up serial
void init_K64F();    // sets up K64F
void init_pcb();     // sets up the pcb

// button voids
void button_a_interrupt();
void button_b_interrupt();
void button_x_interrupt();
void button_y_interrupt();
void button_left_interrupt();
void button_right_interrupt();
void button_back_interrupt();
void button_start_interrupt();

// page voids
void startup();
void cwshigh();
void codeloop();
void get_temp();
void CustHi_SP();
void CustLo_SP();




int main() {
    
    // interrupts setup
    button_a.rise(&button_a_interrupt);
    button_b.rise(&button_b_interrupt);
    button_x.rise(&button_x_interrupt);
    button_y.rise(&button_y_interrupt);
    button_left.rise(&button_left_interrupt);
    button_right.rise(&button_right_interrupt);
    button_back.rise(&button_back_interrupt);
    button_start.rise(&button_start_interrupt);
    
    
    
    init_serial();
    init_K64F();
    init_pcb();
    tmp.init();
    lcd.init();
    Joystick.init();
    
    lcd.setContrast(0.5);
    lcd.setBrightness(0.5);
    
    startup();
    
    codeloop();
    
    
    
}

// initialise serial connection
void init_serial()
{
    pc.baud(9600);
}

void init_K64F()
{
    boardled_red = 1;
    boardled_green = 1;
    boardled_blue = 1;
    
    sw2.mode(PullNone);
    sw3.mode(PullNone);
}

void init_pcb()
{
    
    led_red1 = 1;
    led_red2 = 1;
    led_red3 = 1;
    led_green1 = 1;
    led_green2 = 1;
    led_green3 = 1;
    // active low LED's so off when = 1
    
    // sets up the PCB Buttons
    button_a.mode(PullDown);
    button_b.mode(PullDown);
    button_x.mode(PullDown);
    button_y.mode(PullDown);
    button_left.mode(PullDown);
    button_right.mode(PullDown);
    button_start.mode(PullDown);
    button_back.mode(PullDown);
}

void startup()
{
    lcd.printString("Lewis Cameron",0,0);
    lcd.printString("18689002",0,1);
    pc.printf("startup");
    lcd.refresh();
    wait(5);
}

void codeloop()
{
    int page;
    
    while(1){
        lcd.clear();
        
        switch(page){
        
        case 1:
        {
        
        init_pcb();
        
        float temp = tmp.get_temperature();
        
        
        lcd.clear();
        lcd.printString("CWS",20,0);
        lcd.printString("Temp is",0,2);
        get_temp();
        lcd.printString("Press Back To Go Home",0,5);
        
        if (temp >= CwsHiSP){
            lcd.printString("Water Temp Too High",0,3);
            lcd.printString("Legionella Warning",0,4);
            led_red1 = 0;
        }
        
        else if (temp < CwsHiSP){
            lcd.printString("Water Temp OK",0,3);
            lcd.printString("No Danger Of Legionella",0,4);
            led_red1 = 1;
        }
        
        if (button_back_flag) {
            button_back_flag = 0;
            page = 0;
        }
    
    }
        break;
    
        case 2:
        {
    
        init_pcb();
        float temp = tmp.get_temperature();
    
        lcd.clear();
        lcd.printString("HWS",20,0);
        lcd.printString("Temp is",0,2);
        get_temp();
        lcd.printString("Press Back To Go Home",0,5);
    
    if (HwsLoLimSP < temp < HwsKaSP){
        lcd.printString("Temperature Raised",0,3);
        lcd.printString("Killing Legionella",0,4);
        led_green1 = 0;
        }
    
    else if (temp >= HwsKaSP){
        lcd.printString("Temperature Raised",0,3);
        lcd.printString("All Legionella Killed",0,4);
        led_green1 = 0;
        led_green2 = 0;
        }
    
    else if (temp < HwsLoLimSP){
        lcd.printString("Temperature Low",0,3);
        lcd.printString("Legionella Warning",0,4);
        led_red1 = 0;
    }
        
    if (button_back_flag) {
        button_back_flag = 0;
        page = 0;
    }
    
}

    
    
    break;
    
    case 3:
    {
    
    init_pcb();
    lcd.clear();
        
    lcd.printString("Custom SP",20,0);
    lcd.printString("Temp is",0,2);
    get_temp();
    CustHi_SP();
    CustLo_SP();
    lcd.printString("Press Back To Go Home",0,5);
    
    if (button_back_flag) {
        button_back_flag = 0;
        page = 0;
    }
    
    }
    
    break;
    
    case 4:
    {
        init_pcb();
        lcd.clear();
        lcd.printString("Info",20,0);
        lcd.printString("Legionella Detector",0,1);
        lcd.printString("Lewis Cameron",0,2);
        lcd.printString("18689002",0,3);
        lcd.printString("Press Back To Go Home",0,4);
        
        if (button_back_flag) {
        button_back_flag = 0;
        page = 0;
    }
    
    }      
             
     
       
        break;    
        {
        default:
        init_pcb();
        lcd.clear();
        
        lcd.printString("Main Menu",0,0);
        lcd.printString("A = Cold Water",0,1);
        lcd.printString("B = Hot Water",0,2);
        lcd.printString("X = Custom SP",0,3);
        lcd.printString("Y = Info",0,4);
        lcd.refresh();
        
        if (button_a_flag) {
            button_a_flag = 0;
            page = 1;
        }
        
        if (button_b_flag) {
            button_b_flag = 0;
            page = 2;
        }
        
        if (button_x_flag) {
            button_x_flag = 0;
            page = 3;
        }
        
        if (button_y_flag) {
            button_y_flag = 0;
            page = 4;
        }
        
    }
}   
    
    
}
        
void button_a_interrupt();
{
    button_a_flag = 1;
}        
 
void button_b_interrupt();
{
    button_b_flag = 1;
}
 
void button_x_interrupt();
{
    button_x_flag = 1;
}
 
void button_y_interrupt();
{
    button_y_flag = 1;
}

void button_left_interrupt();
{
    button_left_flag = 1;
}

void button_right_interrupt();
{
    button_right_flag = 1;
}
 
void button_back_interrupt();
{
    button_back_flag = 1;
}    

    
void button_start_interrupt();
{
    button_start_flag = 1;
}  

void cwshigh();
{
    lcd.printString("Water Temp Too High",0,3);
    led_red1 = 0;
}

void get_temp();
{
    char buffer[14];
    float temp = tmp.get_temperature();
    int length = sprintf(buffer,"%.2f C",temp); 
    //pc.printf("temp = %f K\n",temp);
    if (length <=14)
    lcd.printString(buffer,20,2);
    
}

void CustHi_SP();
{
    Direction d = Joystick.get_direction();
    
    
    if (d = W) {
        CustomHiSPChange = CustomHiSP - 1;
        wait(0.5);
        CustomHiSPChange = CustomHiSP;
    }
    
    if (d = E) {
        CustomHiSPChange = CustomHiSP + 1;
        wait(0.5);
        CustomHiSPChange = CustomHiSP;
        
        char buffer[14];
        int length = sprintf(buffer,"HiLimSP=%.2iC",CustomHiSP);
        
        if (length <= 14); {
            lcd.printString(buffer,0,3);
        }
    }
}

void CustLo_SP();
{
        if (button_left_flag) {
            button_left_flag = 0;
            CustomLoSPChange = CustomLoSP - 1;
            wait(0.5);
            CustomLoSPChange = CustomLoSP;
        }
        
        if (button_right_flag) {
            button_right_flag = 0;
            CustomLoSPChange = CustomLoSP + 1;
            wait(0.5);
            CustomLoSPChange = CustomLoSP;
        }
        
        char buffer[14];
        int length = sprintf(buffer,"LoLimSP=%.2iC",CustomLoSP);
        
        if (length <= 14); {
            lcd.printString(buffer,0,4);
        }
}
        

    
}