Difference between revisions of "U23 2008-2/Gruppe4"
| Line 1: | Line 1: | ||
==Mitglieder== | ==Mitglieder== | ||
| − | * | + | * Christian |
* Steffen | * Steffen | ||
* Stefan | * Stefan | ||
| Line 22: | Line 22: | ||
/* Endlosschleife */ | /* Endlosschleife */ | ||
while(1){ | while(1){ | ||
| + | } | ||
| + | } | ||
| + | </source> | ||
| + | |||
| + | Übungsaufgabe | ||
| + | |||
| + | <source lang ="c"> | ||
| + | |||
| + | #include <avr/io.h> | ||
| + | #include <util/delay.h> | ||
| + | |||
| + | static void led_ausgabe(uint8_t led,zeit) { | ||
| + | if (led & 0b1){ | ||
| + | PORTC |= (1 << DDC4); } | ||
| + | else{ | ||
| + | PORTC &= ~(1 << DDC4));} | ||
| + | |||
| + | if (led & 0b10){ | ||
| + | PORTD |= (1 << DDD3);} | ||
| + | else{ | ||
| + | PORTD &= ~(1 << DDD3));} | ||
| + | |||
| + | if (led & 0b100){ | ||
| + | PORTD |= (1 << DDD6);} | ||
| + | else{ | ||
| + | PORTD &= ~(1 << DDD6);} | ||
| + | |||
| + | if (led & 0b1000){ | ||
| + | PORTD |= (1 << DDD7);} | ||
| + | else{ | ||
| + | PORTD &= ~(1 << DDD7);} | ||
| + | } | ||
| + | |||
| + | _delay_ms(zeit); | ||
| + | |||
| + | |||
| + | |||
| + | int main(void) | ||
| + | { | ||
| + | uint8_t anzeigedauer = 1000; | ||
| + | |||
| + | /* Ausgaenge konfig. */ | ||
| + | |||
| + | DDRC = (1 << DDC4); | ||
| + | DDRD = (1 << DDD3) | (1 << DDD6) | (1 << DDD7); | ||
| + | |||
| + | |||
| + | /* Animation */ | ||
| + | while(1){ | ||
| + | led_ausgabe (0b1000,anzeigedauer); | ||
| + | led_ausgabe (0b0100,anzeigedauer); | ||
| + | led_ausgabe (0b0010,anzeigedauer); | ||
| + | led_ausgabe (0b0001,anzeigedauer); | ||
} | } | ||
} | } | ||
Revision as of 13:33, 27 October 2008
Contents
Mitglieder
- Christian
- Steffen
- Stefan
Code
Abend 1
Pin PC4 wird als Ausgang definiert und auf "log 1" gesetzt. Ergebnis über eine LED sichtbar
<source lang ="c">
- include <avr/io.h>
int main(void) {
/* PC4 als Ausgang konfig. */
DDRC = &b10000;
/* PC4 auf high setzen */
PORTC = &b10000;
/* Endlosschleife */
while(1){
}
} </source>
Übungsaufgabe
<source lang ="c">
- include <avr/io.h>
- include <util/delay.h>
static void led_ausgabe(uint8_t led,zeit) {
if (led & 0b1){
PORTC |= (1 << DDC4); }
else{
PORTC &= ~(1 << DDC4));}
if (led & 0b10){
PORTD |= (1 << DDD3);}
else{
PORTD &= ~(1 << DDD3));}
if (led & 0b100){
PORTD |= (1 << DDD6);}
else{
PORTD &= ~(1 << DDD6);}
if (led & 0b1000){
PORTD |= (1 << DDD7);}
else{
PORTD &= ~(1 << DDD7);}
}
_delay_ms(zeit);
int main(void) {
uint8_t anzeigedauer = 1000; /* Ausgaenge konfig. */ DDRC = (1 << DDC4); DDRD = (1 << DDD3) | (1 << DDD6) | (1 << DDD7);
/* Animation */
while(1){
led_ausgabe (0b1000,anzeigedauer);
led_ausgabe (0b0100,anzeigedauer);
led_ausgabe (0b0010,anzeigedauer);
led_ausgabe (0b0001,anzeigedauer);
}
} </source>
