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  1.  
  2. #include <util/delay.h>
  3. #include <avr/io.h>
  4. #include <avr/interrupt.h>
  5. #include "light_ws2812.h"
  8. //const uint8_t NUM_LEDS = 24; // Anzahl Leds
  9. #define NUM_LEDS 60
  10. struct cRGB leds[NUM_LEDS];
  14. void ledOff(int number) {
  15. leds[number].r = 0;
  16. leds[number].g = 0;
  17. leds[number].b = 0;
  18. ws2812_setleds(leds, NUM_LEDS);
  19. }
  21. void ledOn(int number) {
  22. leds[number].r = 125;
  23. leds[number].g = 72;
  24. leds[number].b = 15;
  25. ws2812_setleds(leds, NUM_LEDS);
  26. }
  29. void real_delay() {
  30. _delay_ms(100);
  31. }
  34. int main(void)
  35. {
  36. while(1)
  37. {
  39. ledOn(0);
  40. real_delay();
  41. ledOn(1);
  42. real_delay();
  43. ledOn(2);
  44. real_delay();
  46. // this loop turns on led 4, and turns of 4-3 = 1.....then 5,2 then, 6,3 and so on
  47. for(uint8_t step = 3; step < NUM_LEDS-2; step++) {
  48. // last led of the 3, off
  49. ledOff(step-3);
  50. real_delay();
  51. // next led on
  52. ledOn(step);
  53. real_delay();
  54. }
  56. // the last 3 on
  57. ledOn(57);
  58. real_delay();
  59. ledOn(58);
  60. real_delay();
  61. ledOn(59);
  63. // the last 3 off
  64. ledOff(60);
  65. real_delay();
  66. ledOff(59);
  67. real_delay();
  68. ledOff(58);
  70. // this for loop runs backward, like the first one
  71. for(uint8_t step = 57; step > 2; step--) {
  72. //last led On
  73. ledOn(step);
  74. real_delay();
  75. // next led on
  76. ledOff(step+3);
  77. real_delay();
  78. }
  80. }
  81. }
  82.  
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