avr-gcc -mmcu=atmega16 -Wl,-Map=LED_CUBE.map LED_CUBE.o warte10ms.o -o LED_CUBE.elf warte10ms.o: In function `warte10ms': F:\Ausbildung\JUMO\ATMEGA\Programme\LED_CUBE\default/../warte10ms.c:6: multiple definition of `warte10ms' LED_CUBE.o:F:\Ausbildung\JUMO\ATMEGA\Programme\LED_CUBE\default/../warte10ms.c:6: first defined here make: *** [LED_CUBE.elf] Error 1 Build failed with 1 errors and 0 warnings...