با سلام من هرکاری می کنمADC آی سی مگا 8 روشن نمیشه و کار خودشو انجام نمیده یه نمونه برنامه گذاشتم هر تغییری هم که در برنامه ایجاد می کنم باز کار نمیکنه ! برنامه زیر یک برنامه ولتمتر می باشد ........ خواهشا دوستان چک کن ببینیم عیبش از کجاست ؟ ممنون
#include <mega8.h>
#include <stdio.h>
#include <delay.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;
}
// Declare your global variables here
void main(void)
{
float adc_in;
float vsen;
char lcd_buff[10];
DDRC.0=0;
PORTC.0=0;
// 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: 15.625 kHz
// ADC Voltage Reference: Int., cap. on AREF
ADMUX=ADC_VREF_TYPE & 0xff;
ADCSRA=0x86;
// LCD module initialization
lcd_init(16);
while (1)
{
adc_in=read_adc(0);
vsen=(adc_in*100)/1023;
sprintf(lcd_buff,"v=%5.1f v",vsen);
lcd_clear();
lcd_gotoxy(0,0);
lcd_puts(lcd_buff);
delay_ms(100);
};
}
#include <mega8.h>
#include <stdio.h>
#include <delay.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;
}
// Declare your global variables here
void main(void)
{
float adc_in;
float vsen;
char lcd_buff[10];
DDRC.0=0;
PORTC.0=0;
// 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: 15.625 kHz
// ADC Voltage Reference: Int., cap. on AREF
ADMUX=ADC_VREF_TYPE & 0xff;
ADCSRA=0x86;
// LCD module initialization
lcd_init(16);
while (1)
{
adc_in=read_adc(0);
vsen=(adc_in*100)/1023;
sprintf(lcd_buff,"v=%5.1f v",vsen);
lcd_clear();
lcd_gotoxy(0,0);
lcd_puts(lcd_buff);
delay_ms(100);
};
}
دیدگاه