void get_xy()
{
int a,b,x,y;
x_cur=-1;
y_cur=-1;
start:
PORTA=0x01;
DDRA=0x05;
PORTA.3=0;
x=read_adc(1);
PORTA=0x02;
DDRA=0x0A;
PORTA.0=0;
y=read_adc(2);
if (x>100 | y>100)
{
a=x-160;
a=a/8.3;
b=y-90;
b=b/5.7;
if (a<0 | b<0) goto start;
x_cur=a;
y_cur=b;
}
}
/*****************************************************
This program was produced by the
CodeWizardAVR V2.04.4a Advanced
Automatic Program Generator
© Copyright 1998-2009 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com
Project :
Version :
Date : 9/12/2010
Author : NeVaDa
Company : atak
Comments:
Chip type : ATmega8
Program type : Application
AVR Core Clock frequency: 1.000000 MHz
Memory model : Small
External RAM size : 0
Data Stack size : 256
*****************************************************/
#include <mega8.h>
#include <delay.h>
#include <stdlib.h>
// Alphanumeric LCD Module functions
#asm
.equ __lcd_port=0x12 ;PORTD
#endasm
#include <lcd.h>
#define ADC_VREF_TYPE 0x40
// Read the AD conversion result
unsigned int read_adc(unsigned char adc_input)
{
ADMUX=adc_input | (ADC_VREF_TYPE & 0xff);
// Delay needed for the stabilization of the ADC input voltage
delay_us(10);
// Start the AD conversion
ADCSRA|=0x40;
// Wait for the AD conversion to complete
while ((ADCSRA & 0x10)==0);
ADCSRA|=0x10;
return ADCW;
}
int x_cur, y_cur;
char *strx, *stry, *stradc1, *stradc2;
void get_xy()
{
int a,b,x,y;
x_cur=-1;
y_cur=-1;
start:
PORTC=0x04;
DDRC=0x05;
PORTC.3=0;
x=read_adc(1);
lcd_clear();
lcd_gotoxy(10,0);
itoa(x,stradc1);
lcd_puts(stradc1);
PORTC=0x02;
DDRC=0x0a;
PORTC.0=0;
y=read_adc(2);
lcd_gotoxy(10,1);
itoa(x,stradc2);
lcd_puts(stradc2);
if (x>100 | y>100)
{
a=x-160;
a=a/8.3;
b=y-90;
b=b/5.7;
if (a<0 | b<0) goto start;
x_cur=a;
y_cur=b;
}
}
// Declare your global variables here
void main(void)
{
// Declare your local variables here
// Input/Output Ports initialization
// 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
// Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// 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=0x00;
// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
TCCR0=0x00;
TCNT0=0x00;
// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer1 Stopped
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
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: Timer2 Stopped
// Mode: Normal top=FFh
// OC2 output: Disconnected
ASSR=0x00;
TCCR2=0x00;
TCNT2=0x00;
OCR2=0x00;
// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
MCUCR=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: 62.500 kHz
// ADC Voltage Reference: AVCC pin
ADMUX=ADC_VREF_TYPE & 0xff;
ADCSRA=0x84;
// LCD module initialization
lcd_init(20);
while (1)
{
// Place your code here
get_xy();
lcd_gotoxy(0,0);
itoa(x_cur,strx);
lcd_puts(strx);
lcd_gotoxy(0,1);
itoa(y_cur,stry);
lcd_puts(stry);
delay_ms(300);
};
}
void get_xy()
{
int a,b,x,y;
x_cur=-1;
y_cur=-1;
start:
PORTA=0x01;
DDRA=0x05;
PORTA.3=0;
x=read_adc(1);
PORTA=0x02;
DDRA=0x0A;
PORTA.0=0;
y=read_adc(2);
if (x>100 | y>100)
{
a=x-160;
a=a/8.3;
b=y-90;
b=b/5.7;
if (a<0 | b<0) goto start;
x_cur=a;
y_cur=b;
}
}
دیدگاه