Keyboard firmwares for Atmel AVR and Cortex-M
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пре 5 година
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  1. #include <avr/eeprom.h>
  2. #include <avr/interrupt.h>
  3. #include <util/delay.h>
  4. #include "progmem.h"
  5. #include "timer.h"
  6. #include "rgblight.h"
  7. #include "debug.h"
  8. const uint8_t DIM_CURVE[] PROGMEM = {
  9. 0, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3,
  10. 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4,
  11. 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6,
  12. 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8,
  13. 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 11,
  14. 11, 11, 12, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 15,
  15. 15, 15, 16, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20,
  16. 20, 20, 21, 21, 22, 22, 22, 23, 23, 24, 24, 25, 25, 25, 26, 26,
  17. 27, 27, 28, 28, 29, 29, 30, 30, 31, 32, 32, 33, 33, 34, 35, 35,
  18. 36, 36, 37, 38, 38, 39, 40, 40, 41, 42, 43, 43, 44, 45, 46, 47,
  19. 48, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62,
  20. 63, 64, 65, 66, 68, 69, 70, 71, 73, 74, 75, 76, 78, 79, 81, 82,
  21. 83, 85, 86, 88, 90, 91, 93, 94, 96, 98, 99, 101, 103, 105, 107, 109,
  22. 110, 112, 114, 116, 118, 121, 123, 125, 127, 129, 132, 134, 136, 139, 141, 144,
  23. 146, 149, 151, 154, 157, 159, 162, 165, 168, 171, 174, 177, 180, 183, 186, 190,
  24. 193, 196, 200, 203, 207, 211, 214, 218, 222, 226, 230, 234, 238, 242, 248, 255,
  25. };
  26. const uint8_t RGBLED_BREATHING_TABLE[] PROGMEM = {0,0,0,0,1,1,1,2,2,3,4,5,5,6,7,9,10,11,12,14,15,17,18,20,21,23,25,27,29,31,33,35,37,40,42,44,47,49,52,54,57,59,62,65,67,70,73,76,79,82,85,88,90,93,97,100,103,106,109,112,115,118,121,124,127,131,134,137,140,143,146,149,152,155,158,162,165,167,170,173,176,179,182,185,188,190,193,196,198,201,203,206,208,211,213,215,218,220,222,224,226,228,230,232,234,235,237,238,240,241,243,244,245,246,248,249,250,250,251,252,253,253,254,254,254,255,255,255,255,255,255,255,254,254,254,253,253,252,251,250,250,249,248,246,245,244,243,241,240,238,237,235,234,232,230,228,226,224,222,220,218,215,213,211,208,206,203,201,198,196,193,190,188,185,182,179,176,173,170,167,165,162,158,155,152,149,146,143,140,137,134,131,128,124,121,118,115,112,109,106,103,100,97,93,90,88,85,82,79,76,73,70,67,65,62,59,57,54,52,49,47,44,42,40,37,35,33,31,29,27,25,23,21,20,18,17,15,14,12,11,10,9,7,6,5,5,4,3,2,2,1,1,1,0,0,0};
  27. const uint8_t RGBLED_BREATHING_INTERVALS[] PROGMEM = {30, 20, 10, 5};
  28. const uint8_t RGBLED_RAINBOW_MOOD_INTERVALS[] PROGMEM = {120, 60, 30};
  29. const uint8_t RGBLED_RAINBOW_SWIRL_INTERVALS[] PROGMEM = {100, 50, 20};
  30. const uint8_t RGBLED_SNAKE_INTERVALS[] PROGMEM = {100, 50, 20};
  31. const uint8_t RGBLED_KNIGHT_INTERVALS[] PROGMEM = {100, 50, 20};
  32. rgblight_config_t rgblight_config;
  33. rgblight_config_t inmem_config;
  34. struct cRGB led[RGBLED_NUM];
  35. uint8_t rgblight_inited = 0;
  36. void sethsv(uint16_t hue, uint8_t sat, uint8_t val, struct cRGB *led1) {
  37. /* convert hue, saturation and brightness ( HSB/HSV ) to RGB
  38. The DIM_CURVE is used only on brightness/value and on saturation (inverted).
  39. This looks the most natural.
  40. */
  41. uint8_t r, g, b;
  42. val = pgm_read_byte(&DIM_CURVE[val]);
  43. sat = 255 - pgm_read_byte(&DIM_CURVE[255 - sat]);
  44. uint8_t base;
  45. if (sat == 0) { // Acromatic color (gray). Hue doesn't mind.
  46. r = val;
  47. g = val;
  48. b = val;
  49. } else {
  50. base = ((255 - sat) * val) >> 8;
  51. switch (hue / 60) {
  52. case 0:
  53. r = val;
  54. g = (((val - base)*hue) / 60) + base;
  55. b = base;
  56. break;
  57. case 1:
  58. r = (((val - base)*(60 - (hue % 60))) / 60) + base;
  59. g = val;
  60. b = base;
  61. break;
  62. case 2:
  63. r = base;
  64. g = val;
  65. b = (((val - base)*(hue % 60)) / 60) + base;
  66. break;
  67. case 3:
  68. r = base;
  69. g = (((val - base)*(60 - (hue % 60))) / 60) + base;
  70. b = val;
  71. break;
  72. case 4:
  73. r = (((val - base)*(hue % 60)) / 60) + base;
  74. g = base;
  75. b = val;
  76. break;
  77. case 5:
  78. r = val;
  79. g = base;
  80. b = (((val - base)*(60 - (hue % 60))) / 60) + base;
  81. break;
  82. }
  83. }
  84. setrgb(r,g,b, led1);
  85. }
  86. void setrgb(uint8_t r, uint8_t g, uint8_t b, struct cRGB *led1) {
  87. (*led1).r = r;
  88. (*led1).g = g;
  89. (*led1).b = b;
  90. }
  91. uint32_t eeconfig_read_rgblight(void) {
  92. return eeprom_read_dword(EECONFIG_RGBLIGHT);
  93. }
  94. void eeconfig_write_rgblight(uint32_t val) {
  95. eeprom_write_dword(EECONFIG_RGBLIGHT, val);
  96. }
  97. void eeconfig_write_rgblight_default(void) {
  98. dprintf("eeconfig_write_rgblight_default\n");
  99. rgblight_config.enable = 1;
  100. rgblight_config.mode = 1;
  101. rgblight_config.hue = 200;
  102. rgblight_config.sat = 204;
  103. rgblight_config.val = 204;
  104. eeconfig_write_rgblight(rgblight_config.raw);
  105. }
  106. void eeconfig_debug_rgblight(void) {
  107. dprintf("rgblight_config eprom\n");
  108. dprintf("rgblight_config.enable = %d\n", rgblight_config.enable);
  109. dprintf("rghlight_config.mode = %d\n", rgblight_config.mode);
  110. dprintf("rgblight_config.hue = %d\n", rgblight_config.hue);
  111. dprintf("rgblight_config.sat = %d\n", rgblight_config.sat);
  112. dprintf("rgblight_config.val = %d\n", rgblight_config.val);
  113. }
  114. void rgblight_init(void) {
  115. debug_enable = 1; // Debug ON!
  116. dprintf("rgblight_init called.\n");
  117. rgblight_inited = 1;
  118. dprintf("rgblight_init start!\n");
  119. if (!eeconfig_is_enabled()) {
  120. dprintf("rgblight_init eeconfig is not enabled.\n");
  121. eeconfig_init();
  122. eeconfig_write_rgblight_default();
  123. }
  124. rgblight_config.raw = eeconfig_read_rgblight();
  125. if (!rgblight_config.mode) {
  126. dprintf("rgblight_init rgblight_config.mode = 0. Write default values to EEPROM.\n");
  127. eeconfig_write_rgblight_default();
  128. rgblight_config.raw = eeconfig_read_rgblight();
  129. }
  130. eeconfig_debug_rgblight(); // display current eeprom values
  131. rgblight_timer_init(); // setup the timer
  132. if (rgblight_config.enable) {
  133. rgblight_mode(rgblight_config.mode);
  134. }
  135. }
  136. void rgblight_increase(void) {
  137. uint8_t mode;
  138. if (rgblight_config.mode < RGBLIGHT_MODES) {
  139. mode = rgblight_config.mode + 1;
  140. }
  141. rgblight_mode(mode);
  142. }
  143. void rgblight_decrease(void) {
  144. uint8_t mode;
  145. if (rgblight_config.mode > 1) { //mode will never < 1, if mode is less than 1, eeprom need to be initialized.
  146. mode = rgblight_config.mode-1;
  147. }
  148. rgblight_mode(mode);
  149. }
  150. void rgblight_step(void) {
  151. uint8_t mode;
  152. mode = rgblight_config.mode + 1;
  153. if (mode > RGBLIGHT_MODES) {
  154. mode = 1;
  155. }
  156. rgblight_mode(mode);
  157. }
  158. void rgblight_mode(uint8_t mode) {
  159. if (!rgblight_config.enable) {
  160. return;
  161. }
  162. if (mode<1) {
  163. rgblight_config.mode = 1;
  164. } else if (mode > RGBLIGHT_MODES) {
  165. rgblight_config.mode = RGBLIGHT_MODES;
  166. } else {
  167. rgblight_config.mode = mode;
  168. }
  169. eeconfig_write_rgblight(rgblight_config.raw);
  170. dprintf("rgblight mode: %u\n", rgblight_config.mode);
  171. if (rgblight_config.mode == 1) {
  172. rgblight_timer_disable();
  173. } else if (rgblight_config.mode >=2 && rgblight_config.mode <=23) {
  174. // MODE 2-5, breathing
  175. // MODE 6-8, rainbow mood
  176. // MODE 9-14, rainbow swirl
  177. // MODE 15-20, snake
  178. // MODE 21-23, knight
  179. rgblight_timer_enable();
  180. }
  181. rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
  182. }
  183. void rgblight_toggle(void) {
  184. rgblight_config.enable ^= 1;
  185. eeconfig_write_rgblight(rgblight_config.raw);
  186. dprintf("rgblight toggle: rgblight_config.enable = %u\n", rgblight_config.enable);
  187. if (rgblight_config.enable) {
  188. rgblight_mode(rgblight_config.mode);
  189. } else {
  190. rgblight_timer_disable();
  191. _delay_ms(50);
  192. rgblight_set();
  193. }
  194. }
  195. void rgblight_increase_hue(void){
  196. uint16_t hue;
  197. hue = (rgblight_config.hue+RGBLIGHT_HUE_STEP) % 360;
  198. rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
  199. }
  200. void rgblight_decrease_hue(void){
  201. uint16_t hue;
  202. if (rgblight_config.hue-RGBLIGHT_HUE_STEP <0 ) {
  203. hue = (rgblight_config.hue+360-RGBLIGHT_HUE_STEP) % 360;
  204. } else {
  205. hue = (rgblight_config.hue-RGBLIGHT_HUE_STEP) % 360;
  206. }
  207. rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
  208. }
  209. void rgblight_increase_sat(void) {
  210. uint8_t sat;
  211. if (rgblight_config.sat + RGBLIGHT_SAT_STEP > 255) {
  212. sat = 255;
  213. } else {
  214. sat = rgblight_config.sat+RGBLIGHT_SAT_STEP;
  215. }
  216. rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
  217. }
  218. void rgblight_decrease_sat(void){
  219. uint8_t sat;
  220. if (rgblight_config.sat - RGBLIGHT_SAT_STEP < 0) {
  221. sat = 0;
  222. } else {
  223. sat = rgblight_config.sat-RGBLIGHT_SAT_STEP;
  224. }
  225. rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
  226. }
  227. void rgblight_increase_val(void){
  228. uint8_t val;
  229. if (rgblight_config.val + RGBLIGHT_VAL_STEP > 255) {
  230. val = 255;
  231. } else {
  232. val = rgblight_config.val+RGBLIGHT_VAL_STEP;
  233. }
  234. rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
  235. }
  236. void rgblight_decrease_val(void) {
  237. uint8_t val;
  238. if (rgblight_config.val - RGBLIGHT_VAL_STEP < 0) {
  239. val = 0;
  240. } else {
  241. val = rgblight_config.val-RGBLIGHT_VAL_STEP;
  242. }
  243. rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
  244. }
  245. void rgblight_sethsv_noeeprom(uint16_t hue, uint8_t sat, uint8_t val){
  246. inmem_config.raw = rgblight_config.raw;
  247. if (rgblight_config.enable) {
  248. struct cRGB tmp_led;
  249. sethsv(hue, sat, val, &tmp_led);
  250. inmem_config.hue = hue;
  251. inmem_config.sat = sat;
  252. inmem_config.val = val;
  253. // dprintf("rgblight set hue [MEMORY]: %u,%u,%u\n", inmem_config.hue, inmem_config.sat, inmem_config.val);
  254. rgblight_setrgb(tmp_led.r, tmp_led.g, tmp_led.b);
  255. }
  256. }
  257. void rgblight_sethsv(uint16_t hue, uint8_t sat, uint8_t val){
  258. if (rgblight_config.enable) {
  259. if (rgblight_config.mode == 1) {
  260. // same static color
  261. rgblight_sethsv_noeeprom(hue, sat, val);
  262. } else {
  263. // all LEDs in same color
  264. if (rgblight_config.mode >= 2 && rgblight_config.mode <= 5) {
  265. // breathing mode, ignore the change of val, use in memory value instead
  266. val = rgblight_config.val;
  267. } else if (rgblight_config.mode >= 6 && rgblight_config.mode <= 14) {
  268. // rainbow mood and rainbow swirl, ignore the change of hue
  269. hue = rgblight_config.hue;
  270. }
  271. }
  272. rgblight_config.hue = hue;
  273. rgblight_config.sat = sat;
  274. rgblight_config.val = val;
  275. eeconfig_write_rgblight(rgblight_config.raw);
  276. dprintf("rgblight set hsv [EEPROM]: %u,%u,%u\n", rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
  277. }
  278. }
  279. void rgblight_setrgb(uint8_t r, uint8_t g, uint8_t b){
  280. // dprintf("rgblight set rgb: %u,%u,%u\n", r,g,b);
  281. for (uint8_t i=0;i<RGBLED_NUM;i++) {
  282. led[i].r = r;
  283. led[i].g = g;
  284. led[i].b = b;
  285. }
  286. rgblight_set();
  287. }
  288. void rgblight_set(void) {
  289. if (rgblight_config.enable) {
  290. ws2812_setleds(led, RGBLED_NUM);
  291. } else {
  292. for (uint8_t i=0;i<RGBLED_NUM;i++) {
  293. led[i].r = 0;
  294. led[i].g = 0;
  295. led[i].b = 0;
  296. }
  297. ws2812_setleds(led, RGBLED_NUM);
  298. }
  299. }
  300. // Animation timer -- AVR Timer3
  301. void rgblight_timer_init(void) {
  302. static uint8_t rgblight_timer_is_init = 0;
  303. if (rgblight_timer_is_init) {
  304. return;
  305. }
  306. rgblight_timer_is_init = 1;
  307. /* Timer 3 setup */
  308. TCCR3B = _BV(WGM32) //CTC mode OCR3A as TOP
  309. | _BV(CS30); //Clock selelct: clk/1
  310. /* Set TOP value */
  311. uint8_t sreg = SREG;
  312. cli();
  313. OCR3AH = (RGBLED_TIMER_TOP>>8)&0xff;
  314. OCR3AL = RGBLED_TIMER_TOP&0xff;
  315. SREG = sreg;
  316. }
  317. void rgblight_timer_enable(void) {
  318. TIMSK3 |= _BV(OCIE3A);
  319. dprintf("TIMER3 enabled.\n");
  320. }
  321. void rgblight_timer_disable(void) {
  322. TIMSK3 &= ~_BV(OCIE3A);
  323. dprintf("TIMER3 disabled.\n");
  324. }
  325. void rgblight_timer_toggle(void) {
  326. TIMSK3 ^= _BV(OCIE3A);
  327. dprintf("TIMER3 toggled.\n");
  328. }
  329. ISR(TIMER3_COMPA_vect) {
  330. // Mode = 1, static light, do nothing here
  331. if (rgblight_config.mode>=2 && rgblight_config.mode<=5) {
  332. // mode = 2 to 5, breathing mode
  333. rgblight_effect_breathing(rgblight_config.mode-2);
  334. } else if (rgblight_config.mode>=6 && rgblight_config.mode<=8) {
  335. rgblight_effect_rainbow_mood(rgblight_config.mode-6);
  336. } else if (rgblight_config.mode>=9 && rgblight_config.mode<=14) {
  337. rgblight_effect_rainbow_swirl(rgblight_config.mode-9);
  338. } else if (rgblight_config.mode>=15 && rgblight_config.mode<=20) {
  339. rgblight_effect_snake(rgblight_config.mode-15);
  340. } else if (rgblight_config.mode>=21 && rgblight_config.mode<=23) {
  341. rgblight_effect_knight(rgblight_config.mode-21);
  342. }
  343. }
  344. // effects
  345. void rgblight_effect_breathing(uint8_t interval) {
  346. static uint8_t pos = 0;
  347. static uint16_t last_timer = 0;
  348. if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_BREATHING_INTERVALS[interval])) return;
  349. last_timer = timer_read();
  350. rgblight_sethsv_noeeprom(rgblight_config.hue, rgblight_config.sat, pgm_read_byte(&RGBLED_BREATHING_TABLE[pos]));
  351. pos = (pos+1) % 256;
  352. }
  353. void rgblight_effect_rainbow_mood(uint8_t interval) {
  354. static uint16_t current_hue=0;
  355. static uint16_t last_timer = 0;
  356. if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval])) return;
  357. last_timer = timer_read();
  358. rgblight_sethsv_noeeprom(current_hue, rgblight_config.sat, rgblight_config.val);
  359. current_hue = (current_hue+1) % 360;
  360. }
  361. void rgblight_effect_rainbow_swirl(uint8_t interval) {
  362. static uint16_t current_hue=0;
  363. static uint16_t last_timer = 0;
  364. uint16_t hue;
  365. uint8_t i;
  366. if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval/2])) return;
  367. last_timer = timer_read();
  368. for (i=0; i<RGBLED_NUM; i++) {
  369. hue = (360/RGBLED_NUM*i+current_hue)%360;
  370. sethsv(hue, rgblight_config.sat, rgblight_config.val, &led[i]);
  371. }
  372. rgblight_set();
  373. if (interval % 2) {
  374. current_hue = (current_hue+1) % 360;
  375. } else {
  376. if (current_hue -1 < 0) {
  377. current_hue = 359;
  378. } else {
  379. current_hue = current_hue - 1;
  380. }
  381. }
  382. }
  383. void rgblight_effect_snake(uint8_t interval) {
  384. static uint8_t pos=0;
  385. static uint16_t last_timer = 0;
  386. uint8_t i,j;
  387. int8_t k;
  388. int8_t increament = 1;
  389. if (interval%2) increament = -1;
  390. if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_SNAKE_INTERVALS[interval/2])) return;
  391. last_timer = timer_read();
  392. for (i=0;i<RGBLED_NUM;i++) {
  393. led[i].r=0;
  394. led[i].g=0;
  395. led[i].b=0;
  396. for (j=0;j<RGBLIGHT_EFFECT_SNAKE_LENGTH;j++) {
  397. k = pos+j*increament;
  398. if (k<0) k = k+RGBLED_NUM;
  399. if (i==k) {
  400. sethsv(rgblight_config.hue, rgblight_config.sat, (uint8_t)(rgblight_config.val*(RGBLIGHT_EFFECT_SNAKE_LENGTH-j)/RGBLIGHT_EFFECT_SNAKE_LENGTH), &led[i]);
  401. }
  402. }
  403. }
  404. rgblight_set();
  405. if (increament == 1) {
  406. if (pos - 1 < 0) {
  407. pos = 13;
  408. } else {
  409. pos -= 1;
  410. }
  411. } else {
  412. pos = (pos+1)%RGBLED_NUM;
  413. }
  414. }
  415. void rgblight_effect_knight(uint8_t interval) {
  416. static int8_t pos=0;
  417. static uint16_t last_timer = 0;
  418. uint8_t i,j,cur;
  419. int8_t k;
  420. struct cRGB preled[RGBLED_NUM];
  421. static int8_t increament = -1;
  422. if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_KNIGHT_INTERVALS[interval])) return;
  423. last_timer = timer_read();
  424. for (i=0;i<RGBLED_NUM;i++) {
  425. preled[i].r=0;
  426. preled[i].g=0;
  427. preled[i].b=0;
  428. for (j=0;j<RGBLIGHT_EFFECT_KNIGHT_LENGTH;j++) {
  429. k = pos+j*increament;
  430. if (k<0) k = 0;
  431. if (k>=RGBLED_NUM) k=RGBLED_NUM-1;
  432. if (i==k) {
  433. sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val, &preled[i]);
  434. }
  435. }
  436. }
  437. if (RGBLIGHT_EFFECT_KNIGHT_OFFSET) {
  438. for (i=0;i<RGBLED_NUM;i++) {
  439. cur = (i+RGBLIGHT_EFFECT_KNIGHT_OFFSET) % RGBLED_NUM;
  440. led[i].r = preled[cur].r;
  441. led[i].g = preled[cur].g;
  442. led[i].b = preled[cur].b;
  443. }
  444. }
  445. rgblight_set();
  446. if (increament == 1) {
  447. if (pos - 1 < 0 - RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
  448. pos = 0- RGBLIGHT_EFFECT_KNIGHT_LENGTH;
  449. increament = -1;
  450. } else {
  451. pos -= 1;
  452. }
  453. } else {
  454. if (pos+1>RGBLED_NUM+RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
  455. pos = RGBLED_NUM+RGBLIGHT_EFFECT_KNIGHT_LENGTH-1;
  456. increament = 1;
  457. } else {
  458. pos += 1;
  459. }
  460. }
  461. }