Hallo

Ich versuche gerade, mein Display für den Asuro selbst zu programmieren.
Beim kompilieren erhalte ich folgende Fehler:

Code:
> "make" 
set -e; avr-gcc -MM -mmcu=atmega8 -I. -g -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -Wall -Wstrict-prototypes -Wa,-ahlms=i2c.lst i2c.c \
	| sed 's,\(.*\)\.o[ :]*,\1.o \1.d : ,g' > i2c.d; \
	[ -s i2c.d ] || rm -f i2c.d
-------- begin --------
avr-gcc --version
avr-gcc (WinAVR 20080610) 4.3.0
Copyright (C) 2008 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

avr-gcc -c -mmcu=atmega8 -I. -g -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -Wall -Wstrict-prototypes -Wa,-ahlms=i2c.lst i2c.c -o i2c.o
i2c.c:41: warning: function definition has qualified void return type
i2c.c: In function 'i2c_init':
i2c.c:52: warning: implicit declaration of function 'cbi'
i2c.c: In function 'i2c_start':
i2c.c:64: warning: implicit declaration of function 'sbi'
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 i2c.o pcf8574.o lcd.o   --output test.elf -Wl,-Map=test.map,--cref -lm
i2c.o: In function `i2c_read':
C:\ASURO_src\FirstTry/i2c.c:150: undefined reference to `sbi'
C:\ASURO_src\FirstTry/i2c.c:151: undefined reference to `cbi'
C:\ASURO_src\FirstTry/i2c.c:154: undefined reference to `cbi'
C:\ASURO_src\FirstTry/i2c.c:160: undefined reference to `sbi'
C:\ASURO_src\FirstTry/i2c.c:162: undefined reference to `cbi'
C:\ASURO_src\FirstTry/i2c.c:163: undefined reference to `sbi'
C:\ASURO_src\FirstTry/i2c.c:166: undefined reference to `cbi'
i2c.o: In function `i2c_write':
C:\ASURO_src\FirstTry/i2c.c:115: undefined reference to `sbi'
C:\ASURO_src\FirstTry/i2c.c:117: undefined reference to `cbi'
C:\ASURO_src\FirstTry/i2c.c:118: undefined reference to `sbi'
C:\ASURO_src\FirstTry/i2c.c:121: undefined reference to `cbi'
C:\ASURO_src\FirstTry/i2c.c:126: undefined reference to `sbi'
C:\ASURO_src\FirstTry/i2c.c:127: undefined reference to `cbi'
C:\ASURO_src\FirstTry/i2c.c:130: undefined reference to `cbi'
i2c.o: In function `i2c_start':
C:\ASURO_src\FirstTry/i2c.c:64: undefined reference to `sbi'
i2c.o: In function `i2c_stop':
C:\ASURO_src\FirstTry/i2c.c:97: undefined reference to `sbi'
C:\ASURO_src\FirstTry/i2c.c:98: undefined reference to `sbi'
C:\ASURO_src\FirstTry/i2c.c:100: undefined reference to `cbi'
C:\ASURO_src\FirstTry/i2c.c:102: undefined reference to `cbi'
i2c.o: In function `i2c_rep_start':
C:\ASURO_src\FirstTry/i2c.c:77: undefined reference to `sbi'
C:\ASURO_src\FirstTry/i2c.c:79: undefined reference to `cbi'
C:\ASURO_src\FirstTry/i2c.c:81: undefined reference to `cbi'
C:\ASURO_src\FirstTry/i2c.c:83: undefined reference to `sbi'
i2c.o: In function `i2c_init':
C:\ASURO_src\FirstTry/i2c.c:51: undefined reference to `cbi'
C:\ASURO_src\FirstTry/i2c.c:53: undefined reference to `cbi'
C:\ASURO_src\FirstTry/i2c.c:54: undefined reference to `cbi'
C:\ASURO_src\FirstTry/i2c.c:55: undefined reference to `cbi'
lcd.o: In function `lcd_puts_p':
C:\ASURO_src\FirstTry/lcd.c:173: undefined reference to `PRG_RDB'
make: *** [test.elf] Error 1

> Process Exit Code: 2
> Time Taken: 00:01