File content as of revision 0:c5d9aa9ab648:

//Header/Library Inclusions : Mbed, Speaker, NokiaLCD.   Links Below 
//http://mbed.org/users/4180_1/notebook/using-a-speaker-for-audio-output///
 
#include "mbed.h"
#include "NokiaLCD.h"
#include "Speaker.h"
 
NokiaLCD lcd(p5, p7, p8, p9, NokiaLCD::LCD6610); // mosi, sclk, cs, rst, type
DigitalIn set(p19);         // push button for setting the timer
DigitalIn reset(p20);       // push button for reseting the timer
DigitalIn incr(p21);        // push button for incrementing hour/min set
DigitalIn decr(p22);        // push button for decrementing hour/min set
DigitalIn alarm_stop(p30);      
DigitalOut myled1(LED3);    // LEDs for testing sensor data reception
DigitalOut myled2(LED4);    
AnalogIn dis(p18);      // Analog input for sonar sensor
DigitalOut fw1(p10);    //Forward Motor 1
DigitalOut rev1(p11);   //Reverse Motor 1
DigitalOut fw2(p13);    //Forward Motor 2
DigitalOut rev2(p14);   //Reverse Motor 2
DigitalOut pwm(p24);    //Can be kept as PwmOut if speed control desired
DigitalOut led1(LED1);  
DigitalOut led2(LED2);

int main() {
    set_time(1379615410);          // real time clock set
    Speaker mySpeaker(p26);
    lcd.cls();
    lcd.background(0x0000FF);   // Background of blue color
    int alarm_minute=0;         // integer for storing alarm minutes set   
    int alarm_hour=0;           // integer for storing alarm hour set

    while(1){

            time_t seconds = time(NULL);
            lcd.background(0x0000FF);
            lcd.locate(0,0);
            lcd.printf("Time : ");
            lcd.locate(3,2);
            char buffer[32];                                        // Buffer for storing Time
            strftime(buffer, 32, "%I:%M:%S", localtime(&seconds));  // http://www.cplusplus.com/reference/ctime/strftime/
            lcd.printf("%s", buffer);
            wait(0.10);
            int i = (((buffer[0] - 48)*10) + (buffer[1]-48));       // Converting from Asci to Int
            int j = (((buffer[3] - 48)*10) + (buffer[4]-48));
         
            lcd.locate(0,5);
            lcd.printf("Alarm Set for : ");
            lcd.locate(3,7);
            lcd.printf("%d : %d",alarm_hour,alarm_minute);
             if((i == alarm_hour) && (j == alarm_minute))       // When the real time hour/ min match the alarm set
             {
                while(1)
                {
             
                     mySpeaker.PlayNote(969.0,0.5,0.3);                 // Speaker with police siren playnote( frequency, duration,volume)
                     mySpeaker.PlayNote(800.0,0.5,0.3);                 // http://mbed.org/users/4180_1/notebook/using-a-speaker-for-audio-output/
              //Motor
                    int per;
                    per=dis*512/3.3;
                    if(per<8)
                    {
                        led1=1;
                        led2=0;
                        pwm=1;
                        fw1=0;
                        rev1=1;
                        fw2=0;
                        rev2=1;
                     }
                    
                    else 
                    {
                        led1=1;
                        led2=1;
                        pwm=0;
                    }
                    
                    //motor  code end
                             
                             if(alarm_stop == 1)
                             {
                                 alarm_minute--;
                                 break;
                             }
                }
            }
       if(reset)
       {
        int count=0;   
       while(count!=3)
       {
        time_t seconds = time(NULL);
        lcd.locate(0,0);
        lcd.printf("Time : ");
        lcd.locate(3,2);
                char buffer[32];
            strftime(buffer, 32, "%I:%M:%S", localtime(&seconds));
            lcd.printf("%s", buffer);
             
    if(count == 2)
    {
    
    lcd.locate(0,8);
    lcd.printf("Alarm Set to -> ");
    lcd.locate(3,10);
    lcd.printf("%02d : %02d ",alarm_hour,alarm_minute);
    lcd.locate(0,13);
    lcd.printf("Press Set !");
    }
    if(count == 1)
    {         
    lcd.locate(0,8);            
    
            //strftime(alarm, 2, "%I:%M:%S %p %F\n",);
            lcd.printf("Selected Hour:" );
    lcd.locate(3,10);
    lcd.printf("%02d",alarm_hour );        
    
    
    lcd.locate(0,13);            
    
            //strftime(alarm, 2, "%I:%M:%S %p %F\n",);
    lcd.printf("Select Minute ",alarm_minute );
    lcd.locate(3,15);
    lcd.printf("%02d",alarm_minute );
            //wait(1);
             //lcd.cls();            
     }  
     if(incr && count == 1)
     { 
    alarm_minute++;
    wait(0.25);
     }
     if(incr && count == 0)
     { 
    alarm_hour++;
    wait(0.25);
     }
     if(alarm_hour==25)
     {
     alarm_hour=0;
     }
    if(alarm_minute==60)
    {
    alarm_minute=0;
    }   
    if(decr && count == 1)
     { 
    alarm_minute--;
    wait(0.25);
     }
    if(alarm_minute==(-1))
    {
    alarm_minute=59;
    }
    if(decr && count == 0)
     { 
    alarm_hour--;
    wait(0.25);
     }
    if(alarm_hour==(-1))
    {
    alarm_hour=24;
    }
       
    if(set)
    {
    count = count + 1;
    wait(0.25);
    lcd.cls();
    }
    if(count == 0) 
     {
     
    lcd.locate(0,8);            
    
            //strftime(alarm, 2, "%I:%M:%S %p %F\n",);
            lcd.printf("Select Hour:" );
    lcd.locate(3,10);
    lcd.printf("%02d",alarm_hour );        
            
            //wait(1);
             //lcd.cls();            
    
       }
       
      }  
        }
        
    }
}