/*****************************************************
This program was produced by the
CodeWizardAVR V2.05.3 Standard
Automatic Program Generator
© Copyright 1998-2011 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com
Project :
Version :
Date : 2013-03-26
Author : Negaran
Company :
Comments:
Chip type : ATmega16
Program type : Application
AVR Core Clock frequency: 1.000000 MHz
Memory model : Small
External RAM size : 0
Data Stack size : 256
*****************************************************/
#include <mega16.h>
#include <delay.h>
#include <stdlib.h>
// Alphanumeric LCD functions
#include <alcd.h>
unsigned long int number1,number2;
unsigned char key=0;
char s[10];
bit mode1=1,mode2,n1=1,n2;
// Declare your global variables here
unsigned char scan_keypad()
{
char kb;
delay_ms(20);
//--row1--
PORTD.0=0;
delay_ms(20);
if(PIND.4==0)
{
delay_ms(20);
kb=1;
while(PIND.4==0);
}
if(PIND.5==0)
{
delay_ms(20);
kb=2;
while(PIND.5==0);
}
if(PIND.6==0)
{
delay_ms(20);
kb=3;
while(PIND.6==0);
}
PORTD.0=1;
//--row2--
PORTD.1=0;
delay_ms(20);
if(PIND.4==0)
{
delay_ms(20);
kb=4;
while(PIND.4==0);
}
if(PIND.5==0)
{
delay_ms(20);
kb=5;
while(PIND.5==0);
}
if(PIND.6==0)
{
delay_ms(20);
kb=6;
while(PIND.6==0);
}
PORTD.1=1;
//--row3--
PORTD.2=0;
delay_ms(20);
if(PIND.4==0)
{
delay_ms(20);
kb=7;
while(PIND.4==0);
}
if(PIND.5==0)
{
delay_ms(20);
kb=8;
while(PIND.5==0);
}
if(PIND.6==0)
{
delay_ms(20);
kb=9;
while(PIND.6==0);
}
PORTD.2=1;
//--row4--
PORTD.3=0;
delay_ms(20);
if(PIND.4==0)
{
delay_ms(20);
kb='*';
while(PIND.4==0);
}
if(PIND.5==0)
{
delay_ms(20);
kb=0;
while(PIND.5==0);
}
if(PIND.6==0)
{
delay_ms(20);
kb='#';
while(PIND.6==0);
}
PORTD.3=1;
return kb;
}
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=Out Func1=Out Func0=Out
// State7=T State6=T State5=T State4=T State3=T State2=1 State1=1 State0=1
PORTD=0x07;
DDRD=0x07;
// Alphanumeric LCD initialization
// Connections are specified in the
// Project|Configure|C Compiler|Libraries|Alphanumeric LCD menu:
// RS - PORTA Bit 0
// RD - PORTA Bit 1
// EN - PORTA Bit 2
// D4 - PORTA Bit 4
// D5 - PORTA Bit 5
// D6 - PORTA Bit 6
// D7 - PORTA Bit 7
// Characters/line: 16
lcd_init(16);
lcd_clear();
lcd_gotoxy(0,0);
while (1)
{ delay_ms(5);
while(mode1)
{
lcd_clear();
lcd_gotoxy(0,0);
lcd_putsf("Enter Number1:");
delay_ms(1000);
while(n1)
{
lcd_clear();
lcd_gotoxy(0,0);
key=scan_keypad();
if(key==1) number1=number1*10+1;
if(key==2) number1=number1*10+2;
if(key==3) number1=number1*10+3;
if(key==4) number1=number1*10+4;
if(key==5) number1=number1*10+5;
if(key==6) number1=number1*10+6;
if(key==7) number1=number1*10+7;
if(key==8) number1=number1*10+8;
if(key==9) number1=number1*10+9;
if(key==10)number1=number1*10;
if(key=='*') n1=0;
itoa(number1,s);
lcd_puts(s);
delay_ms(50);
}
}
}
}
ltoa(number1, s);
sprintf(s, "%lu", number1);
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