test.c:6: warning: implicit declaration of function `SetMotorPower'
avr-gcc -c -mmcu=atmega8 -I. -g -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -Wall -Wstrict-prototypes -Wa,-ahlms=asuro.lst asuro.c -o asuro.o
avr-gcc -mmcu=atmega8 -I. -g -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -Wall -Wstrict-prototypes -Wa,-ahlms=test.o test.o asuro.o --output test.elf -Wl,-Map=test.map,--cref -lm
test.o(.text+0x12): In function `main':
C:\Programme\Asuro\ASURO_src\FirstTry/test.c:6: undefined reference to `SetMotorPower'
make: *** [test.elf] Error 1

> Process Exit Code: 2