Difference between revisions of "U23 2007/Evil Solutions/neu.c"
< U23 2007 | Evil Solutions
(New page: #include <avr/io.h> void delay(uint8_t); int main(void){ →* Pin 1: Clock * Pin 2: Shift / Load * Pin 3: Data: DDRA = 0xFB; DDRC = 0xFF; PORTA = 0xFB; uint8_t aussen; ...) |
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#include <avr/io.h> | #include <avr/io.h> | ||
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| + | </nowiki> </pre> | ||
Latest revision as of 17:38, 7 June 2007
#include <avr/io.h>
void delay(uint8_t);
int main(void){
/*
* Pin 1: Clock
* Pin 2: Shift / Load
* Pin 3: Data
*/
DDRA = 0xFB;
DDRC = 0xFF;
PORTA = 0xFB;
uint8_t aussen;
uint8_t wert;
while(1) {
wert = 0x00;
PORTA = 0x00;
delay(1);
PORTA = 0x02;
delay(1);
if (PORTA & ~(0xFB)){ // DATA ist gesetzt
wert++;
}
wert <<= 1;
for (aussen = 0; aussen < 3 ; aussen++) {
PORTA = 0x03;
delay(1);
if (PORTA & ~(0xFB)){ // DATA ist gesetzt
wert++;
}
wert <<= 1;
PORTA = 0x02;
delay(1);
}
PORTC = wert;
}
return 0;
}
/*
* 01 , 02, 04, 08
*/
void delay(uint8_t adelay){
uint16_t a;
uint16_t b;
for (a=0; a < adelay; a++)
for (b=0; b < 0xFF; b++){
PORTB = 0x00;
/*nix*/
}
}
