ايران ويج

سلام
تو برنامه ای که گذاشتم از این چندتا ماکرو، warning میگیره

کد: 
#define RXB8 1

#define TXB8 0

#define UPE 2

#define OVR 3

#define FE 4

#define UDRE 5

#define RXC 7

البته برنامه کامپایل میشه ولی میخوام علت warning ها رو بدونم

کد: 
#include <mega32.h>

#include <delay.h>

#include <stdlib.h>

#asm

   .equ __lcd_port=0x15 ;PORTC

#endasm

#include <lcd.h>

bit receiver=0,transmit=0;

#define RXB8 1

#define TXB8 0

#define UPE 2

#define OVR 3

#define FE 4

#define UDRE 5

#define RXC 7

#define FRAMING_ERROR (1<<FE)

#define PARITY_ERROR (1<<UPE)

#define DATA_OVERRUN (1<<OVR)

#define DATA_REGISTER_EMPTY (1<<UDRE)

#define RX_COMPLETE (1<<RXC)

#define RX_BUFFER_SIZE 8

char rx_buffer[RX_BUFFER_SIZE];

#if RX_BUFFER_SIZE <= 256

unsigned char rx_wr_index,rx_rd_index,rx_counter;

#else

unsigned int rx_wr_index,rx_rd_index,rx_counter;

#endif

bit rx_buffer_overflow;

interrupt [USART_RXC] void usart_rx_isr(void)

{

char status,data;

status=UCSRA;

data=UDR;

receiver=1;

if ((status & (FRAMING_ERROR | PARITY_ERROR | DATA_OVERRUN))==0)

   {

   rx_buffer[rx_wr_index++]=data;

   if (rx_wr_index == RX_BUFFER_SIZE) rx_wr_index=0;

   if (++rx_counter == RX_BUFFER_SIZE)

      {

      rx_counter=0;

      rx_buffer_overflow=1;

      }

   }

}

#ifndef _DEBUG_TERMINAL_IO_

#define _ALTERNATE_GETCHAR_

#pragma used+

char getchar(void)

{

char data;

while (rx_counter==0);

data=rx_buffer[rx_rd_index++];

if (rx_rd_index == RX_BUFFER_SIZE) rx_rd_index=0;

#asm("cli")

--rx_counter;

#asm("sei")

return data;

}

#pragma used-

#endif

#include <stdio.h>

#define ADC_VREF_TYPE 0x00

unsigned int read_adc(unsigned char adc_input)

{

ADMUX=adc_input | ADC_VREF_TYPE;

ADCSRA|=0x40;

while ((ADCSRA & 0x10)==0);

ADCSRA|=0x10;

return ADCW;

}

void main(void)

{

int i;

char str[20],str1[20],data_in;

float temp;

UCSRA=0x00;

UCSRB=0x98;

UCSRC=0x86;

UBRRH=0x00;

UBRRL=0x47;

ADMUX=ADC_VREF_TYPE;

ADCSRA=0x87;

lcd_init(16);

#asm("sei")

while (1)

  {

      temp=read_adc(0);

      temp=(temp*100/1024);

      ftoa(temp,1,str);

      lcd_clear();

      lcd_gotoxy(0,0);

      sprintf(str1,"temp:%s\xdfC\r",str);

      lcd_puts(str1);

      delay_ms(100);

      if (receiver==1)

       {

       data_in=getchar();

       printf("%c\r",data_in);

       if (data_in==13);

        {

        transmit==1;

        }

       if (transmit==1)

        {

        for (i=0;i<10;i++)

            {

            delay_ms(1000);

            puts(str1);

            }

        if (i>=10)

            {

            receiver=0;

            transmit=0;

            }

        }

       }

  }

};

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