Simple single-color 8x8x8 LED Cube with AVRs
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  1. /*
  2. * main.c
  3. *
  4. * Copyright 2011 Thomas Buck <xythobuz@me.com>
  5. * Copyright 2011 Max Nuding <max.nuding@gmail.com>
  6. * Copyright 2011 Felix Bäder <baeder.felix@gmail.com>
  7. *
  8. * This file is part of LED-Cube.
  9. *
  10. * LED-Cube is free software: you can redistribute it and/or modify
  11. * it under the terms of the GNU General Public License as published by
  12. * the Free Software Foundation, either version 3 of the License, or
  13. * (at your option) any later version.
  14. *
  15. * LED-Cube is distributed in the hope that it will be useful,
  16. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18. * GNU General Public License for more details.
  19. *
  20. * You should have received a copy of the GNU General Public License
  21. * along with LED-Cube. If not, see <http://www.gnu.org/licenses/>.
  22. */
  23. #include <stdlib.h>
  24. #include <stdint.h>
  25. #include <avr/io.h>
  26. #include <util/delay.h>
  27. #include "adc.h"
  28. #include "eq.h"
  29. #include "twislave.h"
  30. #ifndef F_CPU
  31. #define F_CPU 16000000L
  32. #endif
  33. void blinkStatus(void) {
  34. uint8_t i, mem[7] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
  35. PORTB |= (1 << PB2);
  36. PORTB &= ~(1 << PB1);
  37. eqLed(mem);
  38. _delay_ms(250);
  39. PORTB &= ~(1 << PB2);
  40. PORTB |= (1 << PB1);
  41. for (i = 0; i < 7; i++) {
  42. mem[i] = 0x00;
  43. }
  44. eqLed(mem);
  45. _delay_ms(250);
  46. }
  47. int main(void) {
  48. uint8_t *music;
  49. DDRB = 0x3F;
  50. DDRC = 0x0C;
  51. DDRD = 0xFF;
  52. twiInit(0x42); // All TWI action happens completely in the background.
  53. adcInit();
  54. equalizerInit();
  55. blinkStatus();
  56. blinkStatus();
  57. music = equalizerGet();
  58. twiSetDataToSend(music);
  59. free(music);
  60. while (1) {
  61. music = equalizerGet();
  62. if (twiDataWasSent()) {
  63. twiSetDataToSend(music);
  64. }
  65. eqLed(music);
  66. free(music);
  67. // Heartbeat
  68. PORTB ^= (1 << PB1);
  69. _delay_ms(1); // Everything locks if this is removed :(
  70. // still don't know why...
  71. }
  72. return 0;
  73. }