2011-10-15 11:32:43 +02:00
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/*
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2011-10-19 00:04:59 +02:00
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* Based on the code of the Mini-LED-Cube 1.0
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2011-10-15 11:32:43 +02:00
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*
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2011-10-19 00:04:59 +02:00
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* Copyright (C) 2009 Paul Wilhelm <paul@mosfetkiller.de>
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* http: *mosfetkiller.de/?s=miniledcube
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2011-10-15 11:32:43 +02:00
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*
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* Changed by Kai Lauterbach (klaute at web dot de)
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*/
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#include "main.h"
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2011-10-19 00:04:59 +02:00
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// Main
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2011-08-20 15:22:47 +02:00
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int main(void)
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{
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2011-10-19 00:04:59 +02:00
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// Initialisierung
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2011-10-15 11:32:43 +02:00
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init();
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init_usb();
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2011-12-02 14:47:59 +01:00
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//uint8_t anim = 0;
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2011-11-30 20:45:22 +01:00
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2011-10-19 00:04:59 +02:00
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// Hauptschleife
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//while (1)
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for (;;)
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2011-10-15 11:32:43 +02:00
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{
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//wdt_reset(); // we are alive, so don't reset the µC
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usbPoll(); // keep connected
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2011-11-05 16:52:02 +01:00
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// hier pause einfügen
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2011-12-05 22:17:00 +01:00
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//_delay_ms(1); // beispielsweise 50 ms => muss angepasst werden an usb kommunikation
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2011-11-05 16:52:02 +01:00
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2011-12-02 14:47:59 +01:00
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/*anim++;
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2011-11-30 20:45:22 +01:00
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2011-12-02 14:47:59 +01:00
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if (anim >= 0)
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2011-11-30 20:45:22 +01:00
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{
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if (cube == 0xffffffff)
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cube = 0x07007007;
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else if (cube == 0x07007007)
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cube = 0x00000000;
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else if (cube == 0x00000000)
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cube = 0xffffffff;
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2011-12-02 14:47:59 +01:00
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anim = 0;
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}*/
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/*if (anim >= 40)
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{
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cube += 1;
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if (cube > 0x07ffffff)
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cube = 0;
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anim = 0;
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}*/
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2011-11-30 20:45:22 +01:00
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2011-10-15 11:32:43 +02:00
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}
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2011-08-20 15:22:47 +02:00
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}
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2011-10-19 00:04:59 +02:00
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// Initialisierung
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2011-08-20 15:22:47 +02:00
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void init()
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{
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2011-10-19 00:04:59 +02:00
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// Ports vorbereiten
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DDRB = 0b11111111; // PB0-PB7: LED 1-8 (Kathoden)
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PORTB = 0b11111111; // HIGH
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2011-08-20 15:22:47 +02:00
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2011-11-30 20:45:22 +01:00
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DDRD = 0b01111000; // PD6: LED 9 (Kathode); PD5-PD3: A-C (Anoden)
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PORTD = 0b01000000;
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2011-08-20 15:22:47 +02:00
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2011-10-19 00:04:59 +02:00
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// Timer-Interrupt "TIMER1" vorbereiten
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2011-08-20 15:22:47 +02:00
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2011-11-30 00:16:21 +01:00
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set_bit(TIMSK, OCIE1A); // Interrupt für ISR COMPA
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2011-12-09 22:57:26 +01:00
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//set_bit(TCCR1B, WGM12); // Überlauf wird unten gesetzt
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2011-08-20 15:22:47 +02:00
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2011-10-19 00:04:59 +02:00
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// Animations-Geschwindigkeit
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2011-11-05 16:52:02 +01:00
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// (vergleichswert bei dem der Interrupt ausgelöst wird)
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2011-11-30 00:16:21 +01:00
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// 625d = 0x271 = 0b00000010, 0b01110001
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OCR1AH = 0b00000010;
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OCR1AL = 0b01110001;
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2011-08-20 15:22:47 +02:00
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2011-11-05 16:52:02 +01:00
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// anpassen auf reihenweise ausgabe
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2011-11-30 00:16:21 +01:00
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// Vorteiler durch 64 (0x011) ----> CS12=0, CS11=1, CS10=1
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2011-12-02 14:47:59 +01:00
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//clear_bit(TCCR1B, CS12); // Prescaler 64
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//set_bit(TCCR1B, CS11);
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//set_bit(TCCR1B, CS10);
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TCCR1B |= (1 << CS11) | (1 << CS10) | (1 << WGM12);
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2011-11-30 00:16:21 +01:00
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sei(); // Set enable interrupt bit (Muss gesetzt werden damit es überhaupt aufgerufen wird)
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2011-08-20 15:22:47 +02:00
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}
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2011-10-19 00:04:59 +02:00
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// Interruptvektor von TIMER1
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2011-11-30 00:16:21 +01:00
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//SIGNAL(SIG_OUTPUT_COMPARE1A) // alte schreibweise
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2011-11-05 16:52:02 +01:00
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ISR (TIMER1_COMPA_vect)
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2011-08-20 15:22:47 +02:00
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{
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2011-12-02 14:47:59 +01:00
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// PORTD = __, 9, C, B, A,D+,D-,__
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2011-11-30 20:45:22 +01:00
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PORTD &= 0b10000111; // 7tes Bit löschen (Leitung 9) und alle Ebenen deaktivieren
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2011-12-09 22:57:26 +01:00
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PORTD |= (1 << 6) | ((1 << cube_level) << 3); // cube_level setzen (Ebene A=0, B=1, C=2)
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2011-11-30 20:45:22 +01:00
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2011-12-09 22:57:26 +01:00
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uint32_t tmp = cube_level * 9;
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2011-11-30 00:16:21 +01:00
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// PORTB = 1..8
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// 0 = leuchtet, 1 = leuchtet nicht (invertiert!)
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2011-11-30 20:45:22 +01:00
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PORTB = ~((cube >> tmp) & 0xff);
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2011-12-09 22:57:26 +01:00
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if ( (((cube >> tmp) >> 8) & 0x01) )
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PORTD &= ~(1 << 6); // 9. led setzen falls notwendig
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2011-11-30 20:45:22 +01:00
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cube_level++;
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if (cube_level > 2) cube_level = 0;
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2011-12-02 14:47:59 +01:00
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2011-08-20 15:22:47 +02:00
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}
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2011-10-19 00:04:59 +02:00
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