File content as of revision 38:3fe3bafbf0c7:

int ana_clock_press(){
    int x = readX();
    int y = readY();
    if (touching == 1) {
       
        if (x > 0 && x < 50 && y > 0 & y < 50) // side button 1 (clock state)
        {
            //set desired state to 1 
            return 1;
        }
        else if (x > 0 && x < 50 && y > 50 & y < 100) //side button 2 (change time)
        {
            //set desired state to 2 
            return 2;
        }
        else if (x > 0 && x < 50 && y > 100 && y < 150) // side button 3 
        {
            //set desired state to 3
            return 3;
        }
        else if (x > 0 && x < 50 && y > 150 && y < 200) // side button 4 
        {
            //set desired state to 4
            return 4;
        }else if (x > 0 && x < 50 && y > 200 && y < 240) // button home
        {
            //set desired state to 0
            return 0;
        }
        else if (x > 250 && x < 320 && y >  0 && y < 200) // alarm button on or off
        {
            //set desired state to 5
            f_alarm = !(f_alarm);
            f_alarm_sound = false;
            return -1;
        }
    }
    return -1;
}
        
    


void runanaclock()
{
    DigitalOut gnd(PTA4) ;
    PwmOut buzzer(PTA5);
    float frequency[]={758, 758, 758, 955, 758, 638, 1276, 955, 1276, 1517, 1136, 1012, 1073, 1136, 1276, 758, 638, 568, 716, 638, 758, 955, 851, 1012, 955};
    //frequency array
    float beat[]={0.2, 0.4, 0.4, 0.2, 0.4, 0.8, 0.8, 0.6, 0.6, 0.6, 0.4, 0.4, 0.2, 0.4, 0.26, 0.26, 0.26, 0.4, 0.2, 0.4, 0.4, 0.2, 0.2, 0.2, 0.4};
    int i =0;
    int last_h  = 0;
    int last_m = 0;
    draw_state(2);
    while (f_state == 2){
        read_time();
        TFT.set_font((unsigned char*) Arial24x23); //coverup
                
        if(f_alarm && tm_c.hour == tm_a_hr && tm_c.min == tm_a_min && tm_c.sec < 3){
            f_alarm_sound = true;
        }
                
        if (last_h != tm_c.hour && last_m != tm_c.min){
            draw_hands( 150, 100 , 90 , last_m , last_h ,Black) ;
            draw_hands( 150, 100 , 90 , tm_c.min, tm_c.hour ,White) ;
            last_h = tm_c.hour;
            last_m = tm_c.min;
        }
        
      
        if (f_alarm_sound)
            {
                i = i % 26;
                i++ ;
                buzzer.period(1/(frequency[i])); // set PWM period
                buzzer=0.5;
                wait(0.1*beat[i]);
            //
            //hold for beat period ;
            } else buzzer = 0;
        TFT.set_orientation(0);
        TFT.set_font((unsigned char*) Arial24x23);
        if (f_alarm) {
            
            TFT.locate(65,290);
            TFT.printf("%d",tm_a_hr);
            TFT.locate(155,290);    
            TFT.printf("%d",tm_a_min);    
        }
        else
        {
            TFT.locate(65,290);
            TFT.printf("   ");
           TFT.locate(155,290);    
           TFT.printf("   ");   
        }
        TFT.set_orientation(1);
        TFT.locate(70,210);
        TFT.printf("%d / %d / %d ", tm_c.date, tm_c.mon, tm_c.year);
        wait(0.2);
       /* TFT.locate(160,210);    
        TFT.printf("%d",tm_c.mon);    
        TFT.locate(220,210);    
        TFT.printf("%d",tm_c.year);     */
        
        switch (digital_clock_press()){
            case (-1): break;
            case (0): f_state = 1; break;
            case (1): f_state = 1; break;
            case (2): f_state = 3; break;
            case (3): f_state = 4; break;
        }
    }
}