52 lines
897 B
C++
52 lines
897 B
C++
// digital pins 2-7 => kathoden 0-5
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// analog pins 3-5 => kathoden 6-8
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// analog pins 0-2 => anoden A0, B1, C2
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#include "WProgram.h"
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void setup();
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void loop();
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void setup() {
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// digital pins 2-7
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DDRD |= 0b11111100;
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// analog pins 0-2 + 3-5
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DDRC |= 0b00111111;
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}
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void loop() {
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for(int ebene=0; ebene<=2; ebene++) {
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// anoden auf 0
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PORTC &= 0b11111000;
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// unsere anode auf 1
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PORTC |= _BV(ebene+0);
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for (int kathode=0; kathode<=8; kathode++) {
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// kathoden auf 1 (leuchtet nicht)
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PORTD |= 0b11111100;
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PORTC |= 0b00111000;
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// unsere kathode auf 0 (leuchtet)
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if (kathode <= 5) {
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PORTD &= ~_BV(kathode+2);
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}
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if (kathode >= 6 && kathode <= 8) {
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PORTC &= ~_BV(kathode-6+3);
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}
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delay(400);
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}
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}
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}
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int main(void)
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{
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init();
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setup();
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for (;;)
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loop();
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return 0;
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}
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