Hi!
Ich wollte gerade das Beispiel: Ansteuerung des UART ausprobieren. Beim compilen wird ein Fehler gemeldet:
Als welchen Typ muss man die VARS deklarieren ?Code:C:\AVR-GCC>make all -------- begin -------- avr-gcc (GCC) 3.4.3 Copyright (C) 2004 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. Compiling: main.c avr-gcc -c -mmcu=at90s8515 -I. -gdwarf-2 -DF_CPU=8000000UL -Os -funsigned-char -funsigned-bitfields -fpack-struct -fsho rt-enums -Wall -Wstrict-prototypes -Wa,-adhlns=main.lst -std=gnu99 -MD -MP -MF .dep/main.o.d main.c -o main.o main.c: In function `main': main.c:22: error: `UCSRA' undeclared (first use in this function) main.c:22: error: (Each undeclared identifier is reported only once main.c:22: error: for each function it appears in.) main.c: In function `uart_init': main.c:41: error: `UBRRH' undeclared (first use in this function) main.c:41: warning: integer overflow in expression main.c:42: error: `UBRRL' undeclared (first use in this function) main.c:42: warning: integer overflow in expression main.c:45: error: `UCSRB' undeclared (first use in this function) main.c:48: error: `UCSRC' undeclared (first use in this function) main.c:48: error: `URSEL' undeclared (first use in this function) main.c:48: error: `UCSZ1' undeclared (first use in this function) main.c:48: error: `UCSZ0' undeclared (first use in this function) make: *** [main.o] Error 1







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