Форум РадиоКот

Код: Выделить всё

#include <stdio.h>
#include <mega64a.h>
#include <delay.h>
#include <io.h>
#include <ds18b20.h>
#include <math.h>
#include "n3310lcd.c"
#define china 1
unsigned long int  i;
float VCC;


// Voltage Reference: AVCC pin
#define ADC_VREF_TYPE ((0<<REFS1) | (1<<REFS0) | (0<<ADLAR))

// Read the AD conversion result
unsigned int read_adc(unsigned char adc_input)
{
ADMUX=adc_input | ADC_VREF_TYPE;
// Delay needed for the stabilization of the ADC input voltage
delay_us(10);

SREG|=(0<<7); // Глобальное  прерываний запрещаем.
// Start the AD conversion
ADCSRA|=(1<<ADSC);
// Wait for the AD conversion to complete
while ((ADCSRA & (1<<ADIF))==0);
SREG|=(1<<7); // Глобальное  прерываний разрешаем.
ADCSRA|=(1<<ADIF);
return ADCW;
}


  
void main(void)
{
 PORTA.2=1;
DDRA.2=1;


// Port F 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 
PORTF=0x00;
DDRF=0x00;

// ADC initialization
// ADC Clock frequency: 1000,000 kHz
// ADC Voltage Reference: AVCC pin
ADMUX=ADC_VREF_TYPE;
ADCSRA=(1<<ADEN) | (0<<ADSC) | (0<<ADFR) | (0<<ADIF) | (0<<ADIE) | (0<<ADPS2) | (1<<ADPS1) | (1<<ADPS0);
SFIOR=(0<<ACME);
 


 VCC=5.00/1023;

 

 Lcd_on ();
 LcdInit();
 LcdClear ();
 LcdMode (2);
 Lcd_on (); 
 PORTA.2=1;

 while(1) 
 { 
        sprintf( lcd_buf,"V=%.1f",VCC*read_adc(0) );
        LcdString(1,1);
        sprintf( lcd_buf,"V=%.1f",VCC*read_adc(1) );
       LcdString(1,2);
       i=1238;
       sprintf( lcd_buf,"V=%.1i",i );
       LcdString(1,3);
       LcdUpdate (); 
  }
}