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a guest May 22nd, 2019 68 Never
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  1. #define F_CPU 16000000UL
  2. #include <avr/io.h>
  3. #include <avr/interrupt.h>
  4. #include <avr/pgmspace.h>
  5. #include "lookup.dat"
  6.  
  7. volatile int zaehlerstand = 0;
  8.  
  9. void init (void)
  10. {
  11.     DDRB |= (1<<DDB1) | (1<<DDB2) | (1<<DDB3);// RGB auf Output setzen
  12.    
  13.     TCCR1A |= (1<<WGM10) | (1<<COM1A1) | (1<<COM1B1); // 8-bit Phase Correct PWM Modus Timer 1, CTC
  14.     TCCR1B |= (1<<CS11); // Prescaler 8
  15.  
  16.     TCCR2A |= (1<<WGM20) | (1<<COM2A1); //PWM Phase Correct Timer 2, CTC
  17.     TCCR2B |= (1<<CS21);// Prescaler 8
  18.  
  19.     TCCR0B |= (1<<CS02) | (1<<CS00); //Prescaler 1024
  20.     TCNT0 = 134;  //Startwert
  21.  
  22.     TIMSK0 |= (1<<TOIE0); //Interrupt Lokal aktivieren
  23.    
  24.     sei(); //Global Interrupt aktivieren
  25.  
  26. }
  27.  
  28. int main (void)
  29. {
  30.     init ();
  31.     while (1)
  32.     {
  33.         //Rot LED
  34.         OCR1B = 0;
  35.         OCR2A = 0;
  36.         OCR1A = 0;
  37.         zaehlerstand = 0;
  38.         while (zaehlerstand <= 255)
  39.         {
  40.             OCR1A = pgm_read_byte_near(lookup +zaehlerstand);
  41.         }
  42.        
  43.         OCR1A = 0;
  44.  
  45.         //Warten 2s
  46.         zaehlerstand = 0;
  47.         while (zaehlerstand <= 255)
  48.         {
  49.            
  50.         }
  51.        
  52.         //GrĂ¼n LED
  53.         zaehlerstand = 0;
  54.         while (zaehlerstand <= 255)
  55.         {
  56.             OCR1B = pgm_read_byte_near(lookup +zaehlerstand);
  57.         }
  58.        
  59.         OCR1B = 0;
  60.  
  61.         //Warten 2s
  62.         zaehlerstand = 0;
  63.         while (zaehlerstand <= 255)
  64.         {
  65.            
  66.         }
  67.        
  68.         //Blaue LED
  69.         zaehlerstand = 0;
  70.         while (zaehlerstand <= 255)
  71.         {
  72.             OCR2A = pgm_read_byte_near(lookup +zaehlerstand);
  73.         }
  74.        
  75.         OCR2A = 0;
  76.        
  77.         //Warten 2s
  78.         zaehlerstand = 0;
  79.         while (zaehlerstand <= 255)
  80.         {
  81.            
  82.         }
  83.        
  84.         //Alle zusammen
  85.         zaehlerstand = 0;
  86.         while (zaehlerstand <=255)
  87.         {
  88.             OCR1A = pgm_read_byte_near(lookup +zaehlerstand);
  89.             OCR1B = pgm_read_byte_near(lookup +zaehlerstand);
  90.             OCR2A = pgm_read_byte_near(lookup +zaehlerstand);
  91.         }
  92.         zaehlerstand = 0;
  93.         while (zaehlerstand <=255)
  94.         {
  95.             OCR1A = pgm_read_byte_near(lookup + 255 -zaehlerstand);
  96.             OCR1B = pgm_read_byte_near(lookup + 255 -zaehlerstand);
  97.             OCR2A = pgm_read_byte_near(lookup + 255 -zaehlerstand);
  98.         }
  99.        
  100.         OCR1B = 0;
  101.         OCR2A = 0;
  102.         OCR1A = 0;
  103.         //Warten 2s
  104.         zaehlerstand = 0;
  105.         while (zaehlerstand <= 255)
  106.         {
  107.            
  108.         }
  109.     }
  110.  
  111.    
  112. }
  113.  
  114. ISR (TIMER0_OVF_vect)
  115. {
  116.     TCNT0 = 134;
  117.     zaehlerstand++;
  118. }
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