Keyboard firmwares for Atmel AVR and Cortex-M
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

light_ws2812.h 1.9KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273
  1. /*
  2. * light weight WS2812 lib include
  3. *
  4. * Version 2.3 - Nev 29th 2015
  5. * Author: Tim (cpldcpu@gmail.com)
  6. *
  7. * Please do not change this file! All configuration is handled in "ws2812_config.h"
  8. *
  9. * License: GNU GPL v2 (see License.txt)
  10. +
  11. */
  12. #ifndef LIGHT_WS2812_H_
  13. #define LIGHT_WS2812_H_
  14. #include <avr/io.h>
  15. #include <avr/interrupt.h>
  16. //#include "ws2812_config.h"
  17. /*
  18. * Structure of the LED array
  19. *
  20. * cRGB: RGB for WS2812S/B/C/D, SK6812, SK6812Mini, SK6812WWA, APA104, APA106
  21. * cRGBW: RGBW for SK6812RGBW
  22. */
  23. struct cRGB { uint8_t g; uint8_t r; uint8_t b; };
  24. struct cRGBW { uint8_t g; uint8_t r; uint8_t b; uint8_t w;};
  25. /* User Interface
  26. *
  27. * Input:
  28. * ledarray: An array of GRB data describing the LED colors
  29. * number_of_leds: The number of LEDs to write
  30. * pinmask (optional): Bitmask describing the output bin. e.g. _BV(PB0)
  31. *
  32. * The functions will perform the following actions:
  33. * - Set the data-out pin as output
  34. * - Send out the LED data
  35. * - Wait 50�s to reset the LEDs
  36. */
  37. void ws2812_setleds (struct cRGB *ledarray, uint16_t number_of_leds);
  38. void ws2812_setleds_pin (struct cRGB *ledarray, uint16_t number_of_leds,uint8_t pinmask);
  39. void ws2812_setleds_rgbw(struct cRGBW *ledarray, uint16_t number_of_leds);
  40. /*
  41. * Old interface / Internal functions
  42. *
  43. * The functions take a byte-array and send to the data output as WS2812 bitstream.
  44. * The length is the number of bytes to send - three per LED.
  45. */
  46. void ws2812_sendarray (uint8_t *array,uint16_t length);
  47. void ws2812_sendarray_mask(uint8_t *array,uint16_t length, uint8_t pinmask);
  48. /*
  49. * Internal defines
  50. */
  51. #ifndef CONCAT
  52. #define CONCAT(a, b) a ## b
  53. #endif
  54. #ifndef CONCAT_EXP
  55. #define CONCAT_EXP(a, b) CONCAT(a, b)
  56. #endif
  57. // #define ws2812_PORTREG CONCAT_EXP(PORT,ws2812_port)
  58. // #define ws2812_DDRREG CONCAT_EXP(DDR,ws2812_port)
  59. #endif /* LIGHT_WS2812_H_ */