Hallo,
jetzt wollte ich mal dieses Demo versuchen aber es kommen
Fehlermedlungen?!
Kann mir mal jemand sagen was ich falsch mache...
1 | #include <stdlib.h>
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2 | #include <avr/io.h>
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3 | #include <avr/pgmspace.h>
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4 | #include "lcd.h"
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5 |
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6 | int main (argc, argv)
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7 | int argc;
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8 | char** argv;
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9 | {
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10 | char buffer[7];
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11 | int num=134;
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12 | unsigned char i;
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13 |
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14 | /* initialize display, cursor off */
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15 | lcd_init(LCD_DISP_ON);
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16 |
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17 |
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18 | while (1)
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19 | {
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20 |
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21 | /* clear display and home cursor */
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22 | lcd_clrscr();
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23 |
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24 | /* put string to display (line 1) with linefeed */
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25 | lcd_puts("LCD Test Line 1\n");
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26 |
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27 | /* cursor is now on second line, write second line */
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28 | lcd_puts("Line 2");
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29 |
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30 | /* move cursor to position 8 on line 2 */
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31 | lcd_gotoxy(7,1);
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32 |
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33 | /* write single char to display */
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34 | lcd_putc(':');
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35 | }
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36 | }
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Build started 28.9.2008 at 20:48:29
avr-gcc.exe -mmcu=atmega32 -Wall -gdwarf-2 -DF_CPU=1000000UL -O0
-fsigned-char -MD -MP -MT Projekt2.o -MF dep/Projekt2.o.d -c
../Projekt2.c
../Projekt2.c: In function 'main':
../Projekt2.c:12: warning: unused variable 'i'
../Projekt2.c:11: warning: unused variable 'num'
../Projekt2.c:10: warning: unused variable 'buffer'
avr-gcc.exe -mmcu=atmega32 Projekt2.o -o Projekt2.elf
Projekt2.o: In function `main':
E:\Eigene Dateien\default/../Projekt2.c:15: undefined reference to
`lcd_init'
E:\Eigene Dateien\default/../Projekt2.c:22: undefined reference to
`lcd_clrscr'
E:\Eigene Dateien\default/../Projekt2.c:25: undefined reference to
`lcd_puts'
E:\Eigene Dateien\default/../Projekt2.c:28: undefined reference to
`lcd_puts'
E:\Eigene Dateien\default/../Projekt2.c:31: undefined reference to
`lcd_gotoxy'
E:\Eigene Dateien\default/../Projekt2.c:34: undefined reference to
`lcd_putc'
make: *** [Projekt2.elf] Error 1
Build failed with 6 errors and 3 warnings...