File content as of revision 6:167533262100:

#include "mbed.h"
#include "TextLCD.h"
#include <string> 
using namespace std;

TextLCD lcd(p19, p20, p21, p22, p23, p24);
Ticker blinker_cursor, blinker_numer, blinker_menu, clock_viewer, check_alarm;
// Initially we set joystick to intterupt.
InterruptIn joycenter(p14);
InterruptIn up(p15);
InterruptIn down(p12);
InterruptIn left(p13);
InterruptIn right(p16);
Serial pc(USBTX, USBRX); // tx, rx

int row, col, r_hour, r_min, r_sec, r_apm, epoch, alarm_hour, alarm_min, alarm_sec, alarm_apm;
bool state_init, state_menu, state_alarm, alarm_up;
string alarm_string, clock_string;


void cursor_left()
{
    if(state_init) {
        if (col >0 && col <13)
            if (col == 12)
                col = 10;
            else if (col ==10)
                col = 7;
            else if (col ==7)
                col = 4;
            else if (col == 4) {
                col =3;
                row =1;
            } else if (col ==3 && row == 1) {
                col = 12;
                row = 0;
            } else
                col = 4;
        else
            col = 4;
    } else if(state_menu){
        
            if(col == 3){
                col = 9;
            } else if(col == 9){
                col = 3;   
            }
    } else if(state_alarm){
        if (col == 12)
            col = 10;
        else if (col ==10)
            col = 7;
        else if (col ==7)
            col = 4;
        else if (col == 4) {
            col =3;
            row =1;
        } else if (col ==3 && row == 1) {
            col = 9;
            row = 1;
        } else if( col == 9 && row ==1) {
            col = 12;
            row = 0;
        } else
            col = 4;
        }else
            col = 4;
    
    pc.printf("Cursor left: %i,%i\r\n", col, row);

}


void cursor_right()
{
    if(state_init) {
        if (col >0 && col <13)
            if (col == 12){
                col =3;
                row =1;
                }
                
            else if (col ==10)
                col = 12;
            else if (col ==7)
                col = 10;
            else if (col == 4) {
                col = 7;
            } else if (col ==3 && row == 1) {
                col = 4;
                row = 0;
            } else
                col = 4;
        else
            col = 4;
    }else if(state_menu){
        
            if(col == 3){
                col = 9;
            } else if(col == 9){
                col = 3;   
            }
    }else if(state_alarm){
        if (col >0 && col <13)
            if (col == 12){
                col =9;
                row =1;
                }
                
            else if (col ==10)
                col = 12;
            else if (col ==7)
                col = 10;
            else if (col == 4) {
                col = 7;
            } else if (col ==3 && row == 1) {
                col = 4;
                row = 0;
            } else if(col == 9 && row == 1){
                col = 3;
                row = 1;
            } else
                col = 4;
        }else
            col = 4;
    
    pc.printf("Cursor right: %i,%i\r\n", col, row);
}

void chg_time_up(){
       if(state_init){
        
       if (col ==10){
            r_sec = r_sec +1;
            if (r_sec > 59)
                r_sec = 0;      
        }
        else if (col ==7){
            r_min = r_min + 1;
            if (r_min > 59)
                r_min = 0; }
        else if (col ==4){
            r_hour = r_hour + 1;
            if (r_hour > 12)
                r_hour = 1;} 
        else if (col == 12){
            if(r_apm==0)
                r_apm=1;
            else
                r_apm=0;
            }
        else
            pc.printf("lmfao");
        pc.printf("\nUP: %d:%d:%d %d\r\n",  r_hour, r_min, r_sec, r_apm);
        } else if(state_alarm) {
            
        
        
       if (col ==10){
            alarm_sec = alarm_sec +1;
            if (alarm_sec > 59)
                alarm_sec = 0;      
        }
        else if (col ==7){
            alarm_min = alarm_min + 1;
            if (alarm_min > 59)
                alarm_min = 0; }
        else if (col ==4){
            alarm_hour = alarm_hour + 1;
            if (alarm_hour > 12)
                alarm_hour = 1;} 
        else if (col == 12){
            if(alarm_apm==0)
                alarm_apm=1;
            else
                alarm_apm=0;
            }
        else
            pc.printf("lmfao");
        pc.printf("\nUP: %d:%d:%d %d\r\n",  alarm_hour, alarm_min, alarm_sec, alarm_apm);
        }
        
}
void chg_time_down()
{
        if(state_init){
        if (col ==10){
            r_sec = r_sec - 1;
            if (r_sec < 0)
                r_sec = 59;      
        }
        else if (col ==7){
            r_min = r_min - 1;
            if (r_min < 0)
                r_min = 59;} 
        else if (col ==4){
            r_hour = r_hour - 1;
            if (r_hour < 1)
                r_hour = 12; }
        else if (col == 12){
            if(r_apm==0)
                r_apm=1;
            else
                r_apm=0;
            }
        else
            pc.printf("lmfao");
        } else if(state_alarm){
        if (col ==10){
            alarm_sec = alarm_sec - 1;
            if (alarm_sec < 0)
                alarm_sec = 59;      
        }
        else if (col ==7){
            alarm_min = alarm_min - 1;
            if (alarm_min < 0)
                alarm_min = 59;} 
        else if (col ==4){
            alarm_hour = alarm_hour - 1;
            if (alarm_hour < 1)
                alarm_hour = 12; }
        else if (col == 12){
            if(alarm_apm==0)
                alarm_apm=1;
            else
                alarm_apm=0;
            }
        else
            pc.printf("lmfao");
        }
        
        pc.printf("\nDOWN: %d:%d:%d\r\n",  r_hour, r_min, r_sec);
}

void show_menu(){
    if(alarm_up){
        lcd.locate(2,1);
        lcd.printf("*");
    }else {
        lcd.locate(2,1);
        lcd.printf(" ");
    }
    lcd.locate(3,1);
    lcd.printf("Alarm");
    lcd.locate(9,1);
    lcd.printf("Set");
    
    
}

//Function alarm_chk is in progress
void alarm_chk(){
//    char buffer_hour[32],buffer_min[32],buffer_sec[32],buffer_apm[32];
//    char buff_ah[32], buff_am[32],buff_as[32],buff_apm[32];
//    time_t seconds = time(NULL);
//    strftime(buffer_hour, 32, "%I", localtime(&seconds));
//    strftime(buffer_min, 32, "%M", localtime(&seconds));
//    strftime(buffer_sec, 32, "%S", localtime(&seconds));
//    strftime(buffer_apm, 32, "%p", localtime(&seconds));
//    sprintf(buff_ah, "%d", alarm_hour);
//    if (buff_ah == buffer_hour){
//        pc.printf("same lol");
//    }
    if(clock_string == alarm_string)
        pc.printf("%s %s : same\r\n", alarm_string, clock_string);
    else
        pc.printf("%s %s : not same\r\n", alarm_string, clock_string);
    
    //if(int(buffer_hour) == alarm_hour && int (buffer_min) == alarm_min && int (buffer_sec) == alarm_sec && int(buffer_apm) == alarm_apm){
//        pc.printf("Alarm ring");
//    }
    
    
//    pc.printf("%s,%d ,%d,%d,%d,%d,%d,%d", int(buffer_hour),alarm_hour,int (buffer_min),alarm_min,int (buffer_sec),alarm_sec,int(buffer_apm),alarm_apm);

}

void blink_cursor(){
    lcd.locate(col, row);
    lcd.printf("_");
    }
void blink_num()
{
    
    if (r_hour > 9){
        lcd.locate(3,0);
        lcd.printf("%d:", r_hour);
    }
    else{
        lcd.locate(3,0);
        lcd.printf("0%d:", r_hour);
    }
    if (r_min > 9){
        lcd.locate(6,0);
        lcd.printf("%d:", r_min);
    }
    else{
        lcd.locate(6,0);
        lcd.printf("0%d:", r_min);
    }
    if (r_sec > 9){
        lcd.locate(9,0);
        lcd.printf("%d", r_sec);
    }
    else{
        lcd.locate(9,0);
        lcd.printf("0%d", r_sec);
    }
    lcd.locate(12,0);
    if (r_apm ==0)
        lcd.printf("AM");
    else
        lcd.printf("PM");
    lcd.locate(3,1);
    lcd.printf("Done");
    return;
}

void alarm_disp(){
        lcd.cls();
    if (alarm_hour > 9){
        lcd.locate(3,0);
        lcd.printf("%d:", alarm_hour);
    }
    else{
        lcd.locate(3,0);
        lcd.printf("0%d:", alarm_hour);
    }
    if (alarm_min > 9){
        lcd.locate(6,0);
        lcd.printf("%d:", alarm_min);
    }
    else{
        lcd.locate(6,0);
        lcd.printf("0%d:", alarm_min);
    }
    if (alarm_sec > 9){
        lcd.locate(9,0);
        lcd.printf("%d", alarm_sec);
    }
    else{
        lcd.locate(9,0);
        lcd.printf("0%d", alarm_sec);
    }
    lcd.locate(12,0);
    if (alarm_apm ==0)
        lcd.printf("AM");
    else
        lcd.printf("PM");
    lcd.locate(3,1);
    lcd.printf("Off");
    lcd.locate(9,1);
    lcd.printf("On");
    return;
}

void setup_alarm(){
    state_alarm = true;
    state_menu = false;
    blinker_numer.attach(&alarm_disp,0.5);
    
    while(1){
        wait(1);
        if(col == 3 && row ==1){
            if(joycenter){
                blinker_numer.detach();
                state_alarm = false;
                state_menu = true;
                alarm_up = false;
                check_alarm.detach();
                break;
            
            }
        } else if(col == 9 && row == 1){
            if(joycenter){
                alarm_up = true;
                blinker_numer.detach();
                state_alarm = false;
                state_menu = true;
                check_alarm.attach(&alarm_chk,1);
                break;
            }
        char buffer_alarm[32];
        if(alarm_apm==0){
            sprintf (buffer_alarm, "%d:%d:%d AM", alarm_hour, alarm_min, alarm_sec);
            }
        else if (alarm_apm==1){
            sprintf (buffer_alarm, "%d:%d:%d PM", alarm_hour, alarm_min, alarm_sec);
            }
        alarm_string=buffer_alarm;
        }
    }
}


void setup_init(){
    state_init = true;
    

    blinker_cursor.attach(&blink_cursor, 0.1);
    blinker_numer.attach(&blink_num, 0.5);
    while (1){
        // This is where, we select "Done", and we press joycenter to end the initial setup.
        if(col==3 && row==1){
            if(joycenter){
                blinker_cursor.detach();
                blinker_numer.detach();
                
                //Calculate the unix timestamp
                //1h : 3600, 1m: 60, 1s: 1
                if(r_apm==0){// AM
                    if(r_hour ==12)
                        epoch = (0 *3600) + (r_min *60) +(r_sec);
                    else
                        epoch = (r_hour *3600) + (r_min *60) +(r_sec);
                }
                else if (r_apm ==1){//PM
                    if(r_hour ==12)
                        epoch = (r_hour *3600) + (r_min *60) +(r_sec);
                    else
                        epoch = 43200+(r_hour *3600) + (r_min *60) +(r_sec);
                    }
               
                pc.printf("%d", epoch);
                state_init = false;
                break;    
            }
        }    
    }
}
void view_clock()
{
    lcd.locate(3,0);
    time_t seconds = time(NULL);
    char buffer[32];
    strftime(buffer, 32, "%I:%M:%S %p", localtime(&seconds));
    lcd.printf("%s", buffer);
    show_menu();
    clock_string = buffer;
    
}

void main_menu(){
    state_menu = true;

    blinker_cursor.attach(&blink_cursor, 0.1);
    
    while(1){
        wait(1);
        if(col == 3 && row == 1){
            if(joycenter){
                clock_viewer.detach();
                setup_alarm();
                clock_viewer.attach(&view_clock,1);
            }
        } else if(col == 9 && row ==1){
                if(joycenter){
                lcd.cls();
                lcd.locate(3,1);
                lcd.printf("OK");
            }
        }
    }
}


int main(){

    
    // Initial value
    row =0 ;
    col=0 ;
    alarm_hour=12;
    alarm_min=0;
    alarm_sec=0; 
    alarm_apm=0;
    r_hour=12 ;
    r_min=0 ;
    r_sec = 0;
    r_apm = 0; //0-AM, 1-PM
    epoch = 0; // 12:00:00 AM
    
    // Change the cursor value.
    left.rise(&cursor_left);
    right.rise(&cursor_right);
    up.rise(&chg_time_up);
    down.rise(&chg_time_down);
    
    
    /*Run setup init -> show main menu
                        |_ setup Alarm
                        |   |_Off alarm
                        |   |_On alarm
                        |_ Change time
    */
    setup_init();
    set_time(epoch);
    clock_viewer.attach(&view_clock,1);
    lcd.cls();
    main_menu();
   
    
    
    
}