Send data From AVR to PC

/*****************************************************
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    : 8/10/2014
Author  : asooZ
Company : 
Comments: 


Chip type               : ATmega8
Program type            : Application
AVR Core Clock frequency: 16.000000 MHz
Memory model            : Small
External RAM size       : 0
Data Stack size         : 256
*****************************************************/
            #include <mega8.h>

#include <delay.h>

// Standard Input/Output functions
#include <stdio.h>

#define ADC_VREF_TYPE 0x00
#include <io.h>
#include <inttypes.h>

void InitADC()
{
//Aref= AVcc and ADC become 8 bit resolution


//Enable ADC and prescalar div factor 128
ADCSRA|= (1<<ADEN)|(1<<ADPS2)|(1<<ADPS1)|(1<<ADPS0); 
}

uint8_t ReadADC()
{
// Channel ADC0 is selected, so no need to set MUX3 to MUX0 in ADMUX

// Start single conversion 
ADCSRA|= (1<<ADSC); 

//Wait for conversion to complete
while (!(ADCSRA & (1<<ADIF)));

// Clear bit ADIF
ADCSRA|= (1<<ADIF);

return (ADCH);
}

void InitUSART(uint16_t ubrr_value)
{
// Set baud rate
UBRRL= ubrr_value;
UBRRH= (ubrr_value >>8);

// Set frame format,i.e. asynchronous mode, no parity, 1 stopbit, char size= 8
UCSRC= (1<<URSEL)|(3<<UCSZ0);

// Enable the transmitter
UCSRB= (1<<TXEN);
}

void USARTWriteChar(int data)
{
// Wait until the transmitter is ready
while(!(UCSRA & (1<<UDRE)))
{
// Do nothing
}

// Clear bit TxC
UCSRA|= (1<<TXC);

// Write data to USART buffer
UDR= data;
}

void main()
{
int data;
           UCSRA=0x00;
UCSRB=0x18;
UCSRC=0x86;
UBRRH=0x00;
UBRRL=0x67;

// 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
ADMUX=ADC_VREF_TYPE & 0xff;
ADCSRA=0x87;
// Initialize the USART
InitUSART(51);

// Initialize ADC
InitADC();

while(1)
{
// Read data from ADC 
data= ReadADC();

// Send data from ADC out through TxD
USARTWriteChar(data);
}
}


// 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