1 | var Board = require("../board");
|
2 | var Animation = require("../animation");
|
3 | var Expander = require("../expander");
|
4 | var Fn = require("../fn");
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5 | var converter = require("color-convert");
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6 |
|
7 | var priv = new Map();
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8 |
|
9 | var Controllers = {
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10 | DEFAULT: {
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11 | initialize: {
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12 | value: function(opts) {
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13 | RGB.colors.forEach(function(color, index) {
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14 | var pin = opts.pins[index];
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15 |
|
16 | if (opts.debug && !this.board.pins.isPwm(pin)) {
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17 | Board.Pins.Error({
|
18 | pin: pin,
|
19 | type: "PWM",
|
20 | via: "Led.RGB"
|
21 | });
|
22 | }
|
23 |
|
24 | this.io.pinMode(pin, this.io.MODES.PWM);
|
25 | this.pins[index] = pin;
|
26 | }, this);
|
27 | }
|
28 | },
|
29 | write: {
|
30 | writable: true,
|
31 | value: function(colors) {
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32 | var state = priv.get(this);
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33 |
|
34 | RGB.colors.forEach(function(color, index) {
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35 | var pin = this.pins[index];
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36 | var value = colors[color];
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37 |
|
38 | if (state.isAnode) {
|
39 | value = 255 - Board.constrain(value, 0, 255);
|
40 | }
|
41 | value = Fn.map(value, 0, 255, 0, this.board.RESOLUTION.PWM);
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42 |
|
43 | this.io.analogWrite(pin, value);
|
44 | }, this);
|
45 | }
|
46 | }
|
47 | },
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48 | PCA9685: {
|
49 | initialize: {
|
50 | value: function(opts) {
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51 |
|
52 | var state = priv.get(this);
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53 |
|
54 | this.address = opts.address || 0x40;
|
55 | this.pwmRange = opts.pwmRange || [0, 4095];
|
56 | this.frequency = opts.frequency || 200;
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57 |
|
58 | state.expander = Expander.get({
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59 | address: this.address,
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60 | controller: this.controller,
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61 | bus: this.bus,
|
62 | pwmRange: this.pwmRange,
|
63 | frequency: this.frequency,
|
64 | });
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65 |
|
66 | RGB.colors.forEach(function(color, index) {
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67 | this.pins[index] = state.expander.normalize(opts.pins[index]);
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68 | state.expander.analogWrite(this.pins[index], 0);
|
69 | }, this);
|
70 | }
|
71 | },
|
72 | write: {
|
73 | writable: true,
|
74 | value: function(colors) {
|
75 | var state = priv.get(this);
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76 |
|
77 | RGB.colors.forEach(function(color, index) {
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78 | var pin = this.pins[index];
|
79 | var value = colors[color];
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80 |
|
81 | if (state.isAnode) {
|
82 | value = 255 - Board.constrain(value, 0, 255);
|
83 | }
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84 |
|
85 | state.expander.analogWrite(pin, value);
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86 |
|
87 | }, this);
|
88 | }
|
89 | }
|
90 | },
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91 | BLINKM: {
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92 | REGISTER: {
|
93 | value: {
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94 | GO_TO_RGB_COLOR_NOW: 0x6e,
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95 | STOP_SCRIPT: 0x6f
|
96 | }
|
97 | },
|
98 | initialize: {
|
99 | value: function(opts) {
|
100 | this.address = opts.address || 0x09;
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101 |
|
102 |
|
103 | opts.address = this.address;
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104 |
|
105 |
|
106 | if (!this.board.Drivers[this.address]) {
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107 | this.io.i2cConfig(opts);
|
108 | this.board.Drivers[this.address] = {
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109 | initialized: false
|
110 | };
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111 |
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112 |
|
113 | this.io.i2cWrite(this.address, [this.REGISTER.STOP_SCRIPT]);
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114 |
|
115 | this.board.Drivers[this.address].initialized = true;
|
116 | }
|
117 | }
|
118 | },
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119 | write: {
|
120 | writable: true,
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121 | value: function(colors) {
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122 | this.io.i2cWrite(this.address, [this.REGISTER.GO_TO_RGB_COLOR_NOW, colors.red, colors.green, colors.blue]);
|
123 | }
|
124 | }
|
125 | }
|
126 | };
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127 |
|
128 | Controllers.ESPLORA = {
|
129 | initialize: {
|
130 | value: function(opts) {
|
131 | opts.pins = [5, 10, 9];
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132 | this.pins = [];
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133 | Controllers.DEFAULT.initialize.value.call(this, opts);
|
134 | }
|
135 | },
|
136 | write: Controllers.DEFAULT.write
|
137 | };
|
138 |
|
139 |
|
140 |
|
141 |
|
142 |
|
143 |
|
144 |
|
145 |
|
146 | function RGB(opts) {
|
147 | if (!(this instanceof RGB)) {
|
148 | return new RGB(opts);
|
149 | }
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150 |
|
151 | var controller = null;
|
152 |
|
153 | if (Array.isArray(opts)) {
|
154 |
|
155 |
|
156 | opts = {
|
157 | pins: opts
|
158 | };
|
159 |
|
160 | } else if (typeof opts.pins === "object" && !Array.isArray(opts.pins)) {
|
161 | opts.pins = [opts.pins.red, opts.pins.green, opts.pins.blue];
|
162 | }
|
163 |
|
164 | Board.Component.call(
|
165 | this, opts = Board.Options(opts)
|
166 | );
|
167 |
|
168 | if (opts.controller && typeof opts.controller === "string") {
|
169 | controller = Controllers[opts.controller.toUpperCase()];
|
170 | } else {
|
171 | controller = opts.controller;
|
172 | }
|
173 |
|
174 | if (controller == null) {
|
175 | controller = Controllers.DEFAULT;
|
176 | }
|
177 |
|
178 |
|
179 |
|
180 | var state = {
|
181 | red: 255,
|
182 | green: 255,
|
183 | blue: 255,
|
184 | intensity: 100,
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185 | isAnode: opts.isAnode || false,
|
186 | interval: null
|
187 | };
|
188 |
|
189 |
|
190 |
|
191 | state.values = {
|
192 | red: state.red,
|
193 | green: state.green,
|
194 | blue: state.blue
|
195 | };
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196 |
|
197 | priv.set(this, state);
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198 |
|
199 | Board.Controller.call(this, controller, opts);
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200 |
|
201 | Object.defineProperties(this, {
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202 | isOn: {
|
203 | get: function() {
|
204 | return RGB.colors.some(function(color) {
|
205 | return state[color] > 0;
|
206 | });
|
207 | }
|
208 | },
|
209 | isRunning: {
|
210 | get: function() {
|
211 | return !!state.interval;
|
212 | }
|
213 | },
|
214 | isAnode: {
|
215 | get: function() {
|
216 | return state.isAnode;
|
217 | }
|
218 | },
|
219 | values: {
|
220 | get: function() {
|
221 | return Object.assign({}, state.values);
|
222 | }
|
223 | },
|
224 | update: {
|
225 | value: function(colors) {
|
226 | var state = priv.get(this);
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227 |
|
228 | colors = colors || this.color();
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229 |
|
230 | state.values = RGB.ToScaledRGB(state.intensity, colors);
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231 |
|
232 | this.write(state.values);
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233 |
|
234 | Object.assign(state, colors);
|
235 | }
|
236 | }
|
237 | });
|
238 |
|
239 | this.initialize(opts);
|
240 | this.off();
|
241 | }
|
242 |
|
243 | RGB.colors = ["red", "green", "blue"];
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244 |
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245 |
|
246 | RGB.ToScaledRGB = function(intensity, colors) {
|
247 | var scale = intensity / 100;
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248 |
|
249 | return RGB.colors.reduce(function(current, color) {
|
250 | return (current[color] = Math.round(colors[color] * scale), current);
|
251 | }, {});
|
252 | };
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253 |
|
254 | RGB.ToRGB = function(red, green, blue) {
|
255 | var update = {};
|
256 | var flags = 0;
|
257 | var input;
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258 |
|
259 | if (typeof red !== "undefined") {
|
260 |
|
261 | flags |= 1 << 2;
|
262 | }
|
263 |
|
264 | if (typeof green !== "undefined") {
|
265 |
|
266 | flags |= 1 << 1;
|
267 | }
|
268 |
|
269 | if (typeof blue !== "undefined") {
|
270 |
|
271 | flags |= 1 << 0;
|
272 | }
|
273 |
|
274 | if ((flags | 0x04) === 0x04) {
|
275 | input = red;
|
276 |
|
277 | if (input == null) {
|
278 | throw new Error("Invalid color (" + input + ")");
|
279 | }
|
280 |
|
281 |
|
282 | if (Array.isArray(input)) {
|
283 |
|
284 | update = {
|
285 | red: input[0],
|
286 | green: input[1],
|
287 | blue: input[2]
|
288 | };
|
289 | } else if (typeof input === "object") {
|
290 |
|
291 |
|
292 |
|
293 |
|
294 |
|
295 | update = {
|
296 | red: input.red,
|
297 | green: input.green,
|
298 | blue: input.blue
|
299 | };
|
300 | } else if (typeof input === "string") {
|
301 |
|
302 |
|
303 | if (/^#?[0-9A-Fa-f]{6}$/.test(input)) {
|
304 |
|
305 |
|
306 | if (input.length === 7 && input[0] === "#") {
|
307 | input = input.slice(1);
|
308 | }
|
309 |
|
310 | update = {
|
311 | red: parseInt(input.slice(0, 2), 16),
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312 | green: parseInt(input.slice(2, 4), 16),
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313 | blue: parseInt(input.slice(4, 6), 16)
|
314 | };
|
315 | } else {
|
316 |
|
317 |
|
318 | if (/^rgb/.test(input)) {
|
319 | var args = input.match(/^rgba?\(([^)]+)\)$/)[1].split(/[\s,]+/);
|
320 |
|
321 |
|
322 | if (isPercentString(args[0])) {
|
323 | args.forEach(function(value, index) {
|
324 |
|
325 | if (index <= 2) {
|
326 | args[index] = Math.round((parseInt(value, 10) / 100) * 255);
|
327 | }
|
328 | });
|
329 | }
|
330 |
|
331 | update = {
|
332 | red: parseInt(args[0], 10),
|
333 | green: parseInt(args[1], 10),
|
334 | blue: parseInt(args[2], 10)
|
335 | };
|
336 |
|
337 |
|
338 | if (args.length > 3) {
|
339 | if (isPercentString(args[3])) {
|
340 | args[3] = parseInt(args[3], 10) / 100;
|
341 | }
|
342 | update = RGB.ToScaledRGB(100 * parseFloat(args[3]), update);
|
343 | }
|
344 | } else {
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345 |
|
346 | return RGB.ToRGB(converter.keyword.rgb(input.toLowerCase()));
|
347 | }
|
348 | }
|
349 | }
|
350 | } else {
|
351 |
|
352 | update = {
|
353 | red: red,
|
354 | green: green,
|
355 | blue: blue
|
356 | };
|
357 | }
|
358 |
|
359 | return update;
|
360 | };
|
361 |
|
362 | function isPercentString(input) {
|
363 | return typeof input === "string" && input.endsWith("%");
|
364 | }
|
365 |
|
366 |
|
367 |
|
368 |
|
369 |
|
370 |
|
371 |
|
372 |
|
373 |
|
374 | RGB.prototype.color = function(red, green, blue) {
|
375 | var state = priv.get(this);
|
376 | var colors;
|
377 |
|
378 | if (arguments.length === 0) {
|
379 |
|
380 |
|
381 | colors = this.isOn ? state : state.prev;
|
382 | return RGB.colors.reduce(function(current, color) {
|
383 | return (current[color] = Math.round(colors[color]), current);
|
384 | }, {});
|
385 | }
|
386 |
|
387 | var update = RGB.ToRGB(red, green, blue);
|
388 |
|
389 |
|
390 | RGB.colors.forEach(function(color) {
|
391 | var value = update[color];
|
392 |
|
393 | if (value == null) {
|
394 | throw new Error("Led.RGB.color: invalid color ([" + [update.red, update.green, update.blue].join(",") + "])");
|
395 | }
|
396 |
|
397 | value = Fn.constrain(value, 0, 255);
|
398 | update[color] = value;
|
399 | }, this);
|
400 |
|
401 | this.update(update);
|
402 |
|
403 | return this;
|
404 | };
|
405 |
|
406 | RGB.prototype.on = function() {
|
407 | var state = priv.get(this);
|
408 | var colors;
|
409 |
|
410 |
|
411 | if (!this.isOn) {
|
412 |
|
413 | colors = state.prev || {
|
414 | red: 255,
|
415 | green: 255,
|
416 | blue: 255
|
417 | };
|
418 |
|
419 | state.prev = null;
|
420 |
|
421 | this.update(colors);
|
422 | }
|
423 |
|
424 | return this;
|
425 | };
|
426 |
|
427 | RGB.prototype.off = function() {
|
428 | var state = priv.get(this);
|
429 |
|
430 |
|
431 |
|
432 | if (this.isOn) {
|
433 | state.prev = RGB.colors.reduce(function(current, color) {
|
434 | return (current[color] = state[color], current);
|
435 | }.bind(this), {});
|
436 |
|
437 | this.update({
|
438 | red: 0,
|
439 | green: 0,
|
440 | blue: 0
|
441 | });
|
442 | }
|
443 |
|
444 | return this;
|
445 | };
|
446 |
|
447 |
|
448 |
|
449 |
|
450 |
|
451 |
|
452 | RGB.prototype.blink = function(duration, callback) {
|
453 | var state = priv.get(this);
|
454 |
|
455 |
|
456 | this.stop();
|
457 |
|
458 | if (typeof duration === "function") {
|
459 | callback = duration;
|
460 | duration = null;
|
461 | }
|
462 |
|
463 | state.interval = setInterval(function() {
|
464 | this.toggle();
|
465 | if (typeof callback === "function") {
|
466 | callback();
|
467 | }
|
468 | }.bind(this), duration || 100);
|
469 |
|
470 | return this;
|
471 | };
|
472 |
|
473 | RGB.prototype.strobe = RGB.prototype.blink;
|
474 |
|
475 | RGB.prototype.toggle = function() {
|
476 | return this[this.isOn ? "off" : "on"]();
|
477 | };
|
478 |
|
479 | RGB.prototype.stop = function() {
|
480 | var state = priv.get(this);
|
481 |
|
482 | if (state.interval) {
|
483 | clearInterval(state.interval);
|
484 | }
|
485 |
|
486 |
|
487 | if (state.animation) {
|
488 | state.animation.stop();
|
489 | }
|
490 |
|
491 | state.interval = null;
|
492 |
|
493 | return this;
|
494 | };
|
495 |
|
496 | RGB.prototype.intensity = function(intensity) {
|
497 | var state = priv.get(this);
|
498 |
|
499 | if (arguments.length === 0) {
|
500 | return state.intensity;
|
501 | }
|
502 |
|
503 | state.intensity = Fn.constrain(intensity, 0, 100);
|
504 |
|
505 | this.update();
|
506 |
|
507 | return this;
|
508 | };
|
509 |
|
510 |
|
511 |
|
512 |
|
513 |
|
514 |
|
515 |
|
516 | RGB.prototype[Animation.normalize] = function(keyFrames) {
|
517 | var state = priv.get(this);
|
518 |
|
519 |
|
520 | if (keyFrames[0] === null) {
|
521 | keyFrames[0] = state.values;
|
522 | }
|
523 |
|
524 | return keyFrames.reduce(function(accum, frame) {
|
525 | var normalized = {};
|
526 | var value = frame;
|
527 | var color = null;
|
528 | var intensity = state.intensity;
|
529 |
|
530 | if (frame !== null) {
|
531 |
|
532 |
|
533 | if (typeof value === "number") {
|
534 | throw new Error("RGB LEDs expect a complete keyFrame object or hexadecimal string value");
|
535 | }
|
536 |
|
537 | if (typeof value === "string") {
|
538 | color = value;
|
539 | }
|
540 |
|
541 | if (Array.isArray(value)) {
|
542 | color = value;
|
543 | } else {
|
544 | if (typeof value === "object") {
|
545 | if (typeof value.color !== "undefined") {
|
546 | color = value.color;
|
547 | } else {
|
548 | color = value;
|
549 | }
|
550 | }
|
551 | }
|
552 |
|
553 | if (typeof frame.intensity === "number") {
|
554 | intensity = frame.intensity;
|
555 | delete frame.intensity;
|
556 | }
|
557 |
|
558 | normalized.easing = frame.easing || "linear";
|
559 | normalized.value = RGB.ToScaledRGB(intensity, RGB.ToRGB(color));
|
560 | } else {
|
561 | normalized = frame;
|
562 | }
|
563 |
|
564 | accum.push(normalized);
|
565 |
|
566 | return accum;
|
567 | }, []);
|
568 | };
|
569 |
|
570 |
|
571 |
|
572 |
|
573 |
|
574 |
|
575 |
|
576 | RGB.prototype[Animation.render] = function(frames) {
|
577 | return this.color(frames[0]);
|
578 | };
|
579 |
|
580 |
|
581 |
|
582 |
|
583 |
|
584 | RGB.prototype[Animation.keys] = RGB.colors;
|
585 |
|
586 |
|
587 | if (!!process.env.IS_TEST_MODE) {
|
588 | RGB.Controllers = Controllers;
|
589 | RGB.purge = function() {
|
590 | priv.clear();
|
591 | };
|
592 | }
|
593 |
|
594 | module.exports = RGB;
|