#include <avr/io.h>
#include<util/delay.h>
#include <avr/pgmspace.h>
#include <HD44780/lcd44780.h>
#include <avr/interrupt.h>
#include <ds18b20/ds18b20.h>


int main(void)
{

   lcd_init();
   uint8_t temp=0;

      while(1)
   {

      temp=ds18b20_gettemp();
      lcd_locate(0,0);
      lcd_str("xxx");
      lcd_locate(1,4);
      lcd_int(temp);
      _delay_ms(200);

   }
}

20:52:08 **** Incremental Build of configuration Release for project 05_LCD ****
make all
'Building target: 05_LCD.elf'
'Invoking: AVR C Linker'
avr-gcc -Wl,-Map,05_LCD.map -mmcu=atmega32 -o "05_LCD.elf"  ./LCD/lcd44780.o  ./main.o   
./main.o: In function `main':
main.c:(.text.startup.main+0x4): undefined reference to `ds18b20_gettemp'
collect2.exe: error: ld returned 1 exit status
make: *** [05_LCD.elf] Błąd 1

20:52:08 Build Finished (took 411ms)