/*****************************************************
This program was produced by the
CodeWizardAVR V1.24.4 Standard
Automatic Program Generator
© Copyright 1998-2004 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com
e-mail:office@hpinfotech.com

Project : 
Version : 
Date    : 1/3/2002
Author  : Mohammad                        
Company : Griffin                         
Comments: 


Chip type           : ATmega16L
Program type        : Application
Clock frequency     : 1.000000 MHz
Memory model        : Small
External SRAM size  : 0
Data Stack size     : 256
*****************************************************/

#include <mega16.h>
#include <delay.h>
// Alphanumeric LCD Module functions
#asm
   .equ __lcd_port=0x18 ;PORTB
#endasm
#include <lcd.h>

///////////////////////////////
///////////////////////////////
typedef unsigned char byte;

/* table for the user defined character
   arrow that points to the top right corner */
flash byte char0[8]={
0b1100000,
0b1110000,
0b1111000,
0b1111100,
0b1111000,
0b1110000,
0b1100000,
0b0000000};


/* function used to define user characters */
void define_char(byte flash *pc,byte char_code)
{
byte i,a;
a=(char_code<<3) | 0x40;
for (i=0; i<8; i++) lcd_write_byte(a++,*pc++);
}
//////////////////////////////////
//////////////////////////////////




#define ADC_VREF_TYPE 0x00
// Read the AD conversion result
unsigned int read_adc(unsigned char adc_input)
{
ADMUX=adc_input|ADC_VREF_TYPE;
// Start the AD conversion
ADCSRA|=0x40;
// Wait for the AD conversion to complete
while ((ADCSRA & 0x10)==0);
ADCSRA|=0x10;
return ADCW;
}

// Declare your global variables here
void menu(void);
void main(void)
{  


// Declare your local variables here

// Input/Output Ports initialization
// Port A initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In 
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T 
PORTA=0x00;
DDRA=0x00;

// Port B initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In 
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T 
PORTB=0x00;
DDRB=0x00;

// Port C initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In 
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T 
PORTC=0x00;
DDRC=0x00;

// Port D initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In 
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T 
PORTD=0x00;
DDRD=0xFF;

// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
// Mode: Normal top=FFh
// OC0 output: Disconnected
TCCR0=0x00;
TCNT0=0x00;
OCR0=0x00;

// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer 1 Stopped
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
TCCR1A=0x00;
TCCR1B=0x00;
TCNT1H=0x00;
TCNT1L=0x00;
ICR1H=0x00;
ICR1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;

// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer 2 Stopped
// Mode: Normal top=FFh
// OC2 output: Disconnected
ASSR=0x00;
TCCR2=0x00;
TCNT2=0x00;
OCR2=0x00;

// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
// INT2: Off
MCUCR=0x00;
MCUCSR=0x00;

// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x00;

// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off
ACSR=0x80;
SFIOR=0x00;

// ADC initialization
// ADC Clock frequency: 125.000 kHz
// ADC Voltage Reference: AREF pin
// ADC Auto Trigger Source: None
ADMUX=ADC_VREF_TYPE;
ADCSRA=0x83;

// LCD module initialization
lcd_init(16);


/* define user character 0 */
define_char(char0,0);



while (1)
      {  
      PORTD.0=0;     
      if(PINC.0==0)
         menu();
      
       // _lcd_ready();
       // _lcd_write_data(0x1c);
    
      
          
      };
}
  

void menu(void)
{    
     char exit=0,key_press=0,menu_part=1,sub_menu=0;
     while(exit==0)
     {
     
     switch (menu_part)
     {   
        case 1:
                lcd_clear();
                lcd_gotoxy(6,0);
                lcd_putsf("MENU");
                lcd_gotoxy(0,1);
                lcd_putchar(0);
                lcd_gotoxy(3,1);    
                lcd_putsf("1.Setting");
                break;
         case 2:
                lcd_clear();
                lcd_gotoxy(6,0);
                lcd_putsf("MENU");
                lcd_gotoxy(0,1);
                lcd_putchar(0);
                lcd_gotoxy(2,1);
                lcd_putsf("2.Backlight"); 
                break;
         case 3:
                lcd_clear();
                lcd_gotoxy(6,0);
                lcd_putsf("MENU");
                lcd_gotoxy(0,1);
                lcd_putchar(0);
                lcd_gotoxy(4,1);
                lcd_putsf("3.Exit");
                break;
         case 31:
                lcd_clear();
                lcd_gotoxy(6,0);
                lcd_putsf("EXIT");
                lcd_gotoxy(0,1);
                lcd_putchar(0);
                lcd_gotoxy(5,1);
                lcd_putsf("1.Yes"); 
                break;
         case 32:
                lcd_clear();
                lcd_gotoxy(6,0);
                lcd_putsf("EXIT");
                lcd_gotoxy(0,1);
                lcd_putchar(0);
                lcd_gotoxy(4,1);
                lcd_putsf("2.No");
                break;

                
     }        
     
     key_press=0;
     while(key_press==0)
        {
                if(PINC.2==0 || PINC.1==0 || PINC.0==0)
                {  
                        delay_ms(100);
                        key_press=1;
                        
                        
                        if(PINC.0==0)
                        {  
                                //sub_menu=menu_part;
                                //menu_part=10*menu_part+1;
                        }
                        
                        if(PINC.2==0)
                        {  
                                menu_part++;
                                if (menu_part>3)
                                menu_part=3;  
                        }
        
                        if(PINC.1==0)
                        {       
                                menu_part=menu_part-1;
                                if (menu_part < 1)
                                menu_part=1;  
                        }
                 
                        
                } 
         }
    
     }


}