1 | var Board = require("./board");
|
2 | var Emitter = require("events").EventEmitter;
|
3 | var util = require("util");
|
4 | var nanosleep = require("./sleep").nano;
|
5 | var Fn = require("./fn");
|
6 | var priv = new Map();
|
7 | var active = new Map();
|
8 |
|
9 | function Base() {
|
10 | Emitter.call(this);
|
11 |
|
12 | this.HIGH = 1;
|
13 | this.LOW = 0;
|
14 | this.isReady = false;
|
15 |
|
16 | this.MODES = {};
|
17 | this.pins = [];
|
18 | this.analogPins = [];
|
19 | }
|
20 |
|
21 | util.inherits(Base, Emitter);
|
22 |
|
23 | var Controllers = {
|
24 | MCP23017: {
|
25 | ADDRESSES: {
|
26 | value: [0x20]
|
27 | },
|
28 | REGISTER: {
|
29 | value: {
|
30 |
|
31 | IODIRA: 0x00,
|
32 | GPPUA: 0x0C,
|
33 | GPIOA: 0x12,
|
34 | OLATA: 0x14,
|
35 |
|
36 | IODIRB: 0x01,
|
37 | GPPUB: 0x0D,
|
38 | GPIOB: 0x13,
|
39 | OLATB: 0x15,
|
40 | }
|
41 | },
|
42 | initialize: {
|
43 | value: function(opts) {
|
44 | var state = priv.get(this);
|
45 |
|
46 | state.iodir = [0xff, 0xff];
|
47 | state.olat = [0xff, 0xff];
|
48 | state.gpio = [0xff, 0xff];
|
49 | state.gppu = [0x00, 0x00];
|
50 |
|
51 | this.address = opts.address || this.ADDRESSES[0];
|
52 | opts.address = this.address;
|
53 |
|
54 | this.io.i2cConfig(opts);
|
55 | this.io.i2cWrite(this.address, [this.REGISTER.IODIRA, state.iodir[this.REGISTER.IODIRA]]);
|
56 | this.io.i2cWrite(this.address, [this.REGISTER.IODIRB, state.iodir[this.REGISTER.IODIRB]]);
|
57 |
|
58 | Object.assign(this.MODES, this.io.MODES);
|
59 |
|
60 | for (var i = 0; i < 16; i++) {
|
61 | this.pins.push({
|
62 | supportedModes: [
|
63 | this.MODES.INPUT,
|
64 | this.MODES.OUTPUT
|
65 | ],
|
66 | mode: 0,
|
67 | value: 0,
|
68 | report: 0,
|
69 | analogChannel: 127
|
70 | });
|
71 |
|
72 | this.pinMode(i, this.MODES.OUTPUT);
|
73 | this.digitalWrite(i, this.LOW);
|
74 | }
|
75 |
|
76 | this.name = "MCP23017";
|
77 | this.isReady = true;
|
78 |
|
79 | this.emit("connect");
|
80 | this.emit("ready");
|
81 | }
|
82 | },
|
83 | normalize: {
|
84 | value: function(pin) {
|
85 | return pin;
|
86 | }
|
87 | },
|
88 |
|
89 | pinMode: {
|
90 | value: function(pin, mode) {
|
91 | var state = priv.get(this);
|
92 | var pinIndex = pin;
|
93 | var port = 0;
|
94 | var iodir = null;
|
95 |
|
96 | if (pin < 8) {
|
97 | port = this.REGISTER.IODIRA;
|
98 | } else {
|
99 | port = this.REGISTER.IODIRB;
|
100 | pin -= 8;
|
101 | }
|
102 |
|
103 | iodir = state.iodir[port];
|
104 |
|
105 | if (mode === this.io.MODES.INPUT) {
|
106 | iodir |= 1 << pin;
|
107 | } else {
|
108 | iodir &= ~(1 << pin);
|
109 | }
|
110 |
|
111 | this.pins[pinIndex].mode = mode;
|
112 | this.io.i2cWrite(this.address, [port, iodir]);
|
113 |
|
114 | state.iodir[port] = iodir;
|
115 | }
|
116 | },
|
117 |
|
118 | digitalWrite: {
|
119 | value: function(pin, value) {
|
120 | var state = priv.get(this);
|
121 | var pinIndex = pin;
|
122 | var port = 0;
|
123 | var gpio = 0;
|
124 |
|
125 | var gpioaddr = 0;
|
126 |
|
127 | if (pin < 8) {
|
128 | port = this.REGISTER.IODIRA;
|
129 |
|
130 | gpioaddr = this.REGISTER.GPIOA;
|
131 | } else {
|
132 | port = this.REGISTER.IODIRB;
|
133 |
|
134 | gpioaddr = this.REGISTER.GPIOB;
|
135 | pin -= 8;
|
136 | }
|
137 |
|
138 | gpio = state.olat[port];
|
139 |
|
140 | if (value === this.io.HIGH) {
|
141 | gpio |= 1 << pin;
|
142 | } else {
|
143 | gpio &= ~(1 << pin);
|
144 | }
|
145 |
|
146 | this.pins[pinIndex].report = 0;
|
147 | this.pins[pinIndex].value = value;
|
148 | this.io.i2cWrite(this.address, [gpioaddr, gpio]);
|
149 |
|
150 | state.olat[port] = gpio;
|
151 | state.gpio[port] = gpio;
|
152 | }
|
153 | },
|
154 |
|
155 |
|
156 | pullUp: {
|
157 | value: function(pin, value) {
|
158 | var state = priv.get(this);
|
159 | var port = 0;
|
160 | var gppu = 0;
|
161 | var gppuaddr = 0;
|
162 |
|
163 | if (pin < 8) {
|
164 | port = this.REGISTER.IODIRA;
|
165 | gppuaddr = this.REGISTER.GPPUA;
|
166 | } else {
|
167 | port = this.REGISTER.IODIRB;
|
168 | gppuaddr = this.REGISTER.GPPUB;
|
169 | pin -= 8;
|
170 | }
|
171 |
|
172 | gppu = state.gppu[port];
|
173 |
|
174 | if (value === this.io.HIGH) {
|
175 | gppu |= 1 << pin;
|
176 | } else {
|
177 | gppu &= ~(1 << pin);
|
178 | }
|
179 |
|
180 | this.io.i2cWrite(this.address, [gppuaddr, gppu]);
|
181 |
|
182 | state.gppu[port] = gppu;
|
183 | }
|
184 | },
|
185 | digitalRead: {
|
186 | value: function(pin, callback) {
|
187 | var pinIndex = pin;
|
188 | var gpioaddr = 0;
|
189 |
|
190 | if (pin < 8) {
|
191 | gpioaddr = this.REGISTER.GPIOA;
|
192 | } else {
|
193 | gpioaddr = this.REGISTER.GPIOB;
|
194 | pin -= 8;
|
195 | }
|
196 |
|
197 | this.pins[pinIndex].report = 1;
|
198 |
|
199 | this.on("digital-read-" + pinIndex, callback);
|
200 |
|
201 | this.io.i2cRead(this.address, gpioaddr, 1, function(data) {
|
202 | var byte = data[0];
|
203 | var value = byte >> pin & 0x01;
|
204 |
|
205 | this.pins[pinIndex].value = value;
|
206 |
|
207 | this.emit("digital-read-" + pinIndex, value);
|
208 | }.bind(this));
|
209 | }
|
210 | },
|
211 | },
|
212 | MCP23008: {
|
213 | ADDRESSES: {
|
214 | value: [0x20]
|
215 | },
|
216 | REGISTER: {
|
217 | value: {
|
218 | IODIR: 0x00,
|
219 | GPPU: 0x06,
|
220 | GPIO: 0x09,
|
221 | OLAT: 0x0A,
|
222 | }
|
223 | },
|
224 | initialize: {
|
225 | value: function(opts) {
|
226 | var state = priv.get(this);
|
227 |
|
228 | state.iodir = [0xff];
|
229 | state.olat = [0xff];
|
230 | state.gpio = [0xff];
|
231 | state.gppu = [0x00];
|
232 |
|
233 | this.address = opts.address || this.ADDRESSES[0];
|
234 |
|
235 | opts.address = this.address;
|
236 |
|
237 | this.io.i2cConfig(opts);
|
238 | this.io.i2cWrite(this.address, [this.REGISTER.IODIR, state.iodir[this.REGISTER.IODIR]]);
|
239 |
|
240 | Object.assign(this.MODES, this.io.MODES);
|
241 |
|
242 | for (var i = 0; i < 8; i++) {
|
243 | this.pins.push({
|
244 | supportedModes: [
|
245 | this.MODES.INPUT,
|
246 | this.MODES.OUTPUT
|
247 | ],
|
248 | mode: 0,
|
249 | value: 0,
|
250 | report: 0,
|
251 | analogChannel: 127
|
252 | });
|
253 |
|
254 | this.pinMode(i, this.MODES.OUTPUT);
|
255 | this.digitalWrite(i, this.LOW);
|
256 | }
|
257 |
|
258 | this.name = "MCP23008";
|
259 | this.isReady = true;
|
260 |
|
261 | this.emit("connect");
|
262 | this.emit("ready");
|
263 | }
|
264 | },
|
265 | normalize: {
|
266 | value: function(pin) {
|
267 | return pin;
|
268 | }
|
269 | },
|
270 |
|
271 | pinMode: {
|
272 | value: function(pin, mode) {
|
273 | var state = priv.get(this);
|
274 | var pinIndex = pin;
|
275 | var port = this.REGISTER.IODIR;
|
276 | var iodir = state.iodir[port];
|
277 |
|
278 | if (mode === this.io.MODES.INPUT) {
|
279 | iodir |= 1 << pin;
|
280 | } else {
|
281 | iodir &= ~(1 << pin);
|
282 | }
|
283 |
|
284 | this.pins[pinIndex].mode = mode;
|
285 | this.io.i2cWrite(this.address, [port, iodir]);
|
286 |
|
287 | state.iodir[port] = iodir;
|
288 | }
|
289 | },
|
290 |
|
291 | digitalWrite: {
|
292 | value: function(pin, value) {
|
293 | var state = priv.get(this);
|
294 | var pinIndex = pin;
|
295 | var port = this.REGISTER.IODIR;
|
296 | var gpioaddr = this.REGISTER.GPIO;
|
297 | var gpio = state.olat[port];
|
298 |
|
299 | if (value === this.io.HIGH) {
|
300 | gpio |= 1 << pin;
|
301 | } else {
|
302 | gpio &= ~(1 << pin);
|
303 | }
|
304 |
|
305 | this.pins[pinIndex].report = 0;
|
306 | this.pins[pinIndex].value = value;
|
307 | this.io.i2cWrite(this.address, [gpioaddr, gpio]);
|
308 |
|
309 | state.olat[port] = gpio;
|
310 | state.gpio[port] = gpio;
|
311 | }
|
312 | },
|
313 |
|
314 |
|
315 | pullUp: {
|
316 | value: function(pin, value) {
|
317 | var state = priv.get(this);
|
318 | var port = this.REGISTER.IODIR;
|
319 | var gppuaddr = this.REGISTER.GPPU;
|
320 | var gppu = state.gppu[port];
|
321 |
|
322 | if (value === this.io.HIGH) {
|
323 | gppu |= 1 << pin;
|
324 | } else {
|
325 | gppu &= ~(1 << pin);
|
326 | }
|
327 |
|
328 | this.io.i2cWrite(this.address, [gppuaddr, gppu]);
|
329 |
|
330 | state.gppu[port] = gppu;
|
331 | }
|
332 | },
|
333 | digitalRead: {
|
334 | value: function(pin, callback) {
|
335 | var pinIndex = pin;
|
336 | var gpioaddr = this.REGISTER.GPIO;
|
337 |
|
338 | this.pins[pinIndex].report = 1;
|
339 |
|
340 | this.on("digital-read-" + pin, callback);
|
341 |
|
342 | this.io.i2cRead(this.address, gpioaddr, 1, function(data) {
|
343 | var byte = data[0];
|
344 | var value = byte >> pin & 0x01;
|
345 |
|
346 | this.pins[pinIndex].value = value;
|
347 |
|
348 | this.emit("digital-read-" + pin, value);
|
349 | }.bind(this));
|
350 | }
|
351 | },
|
352 | },
|
353 | PCF8574: {
|
354 | ADDRESSES: {
|
355 | value: [0x20]
|
356 | },
|
357 | REGISTER: {},
|
358 | initialize: {
|
359 | value: function(opts) {
|
360 | var state = priv.get(this);
|
361 |
|
362 | state.port = 0x00;
|
363 | state.ddr = 0x00;
|
364 | state.pins = 0x00;
|
365 |
|
366 | this.address = opts.address || this.ADDRESSES[0];
|
367 |
|
368 | opts.address = this.address;
|
369 | this.io.i2cConfig(opts);
|
370 |
|
371 | Object.assign(this.MODES, this.io.MODES);
|
372 |
|
373 | for (var i = 0; i < 8; i++) {
|
374 | this.pins.push({
|
375 | supportedModes: [
|
376 | this.MODES.INPUT,
|
377 | this.MODES.OUTPUT
|
378 | ],
|
379 | mode: 1,
|
380 | value: 0,
|
381 | report: 0,
|
382 | analogChannel: 127
|
383 | });
|
384 |
|
385 | this.pinMode(i, this.MODES.OUTPUT);
|
386 | this.digitalWrite(i, this.LOW);
|
387 | }
|
388 |
|
389 | this.name = "PCF8574";
|
390 | this.isReady = true;
|
391 |
|
392 | this.emit("connect");
|
393 | this.emit("ready");
|
394 | }
|
395 | },
|
396 | normalize: {
|
397 | value: function(pin) {
|
398 | return pin;
|
399 | }
|
400 | },
|
401 | pinMode: {
|
402 | value: function(pin, mode) {
|
403 | var state = priv.get(this);
|
404 | var pinIndex = pin;
|
405 | var port = state.port;
|
406 | var ddr = state.ddr;
|
407 | var pins = state.pins;
|
408 |
|
409 | if (mode === this.MODES.INPUT) {
|
410 | ddr &= ~(1 << pin);
|
411 | port &= ~(1 << pin);
|
412 | } else {
|
413 | ddr |= (1 << pin);
|
414 | port &= ~(1 << pin);
|
415 | }
|
416 |
|
417 | this.pins[pinIndex].mode = mode;
|
418 |
|
419 | state.port = port;
|
420 | state.ddr = ddr;
|
421 |
|
422 | this.io.i2cWrite(this.address, (pins & ~ddr) | port);
|
423 | }
|
424 | },
|
425 | digitalWrite: {
|
426 | value: function(pin, value) {
|
427 | var state = priv.get(this);
|
428 | var pinIndex = pin;
|
429 | var port = state.port;
|
430 | var ddr = state.ddr;
|
431 | var pins = state.pins;
|
432 |
|
433 | if (value) {
|
434 | port |= 1 << pin;
|
435 | } else {
|
436 | port &= ~(1 << pin);
|
437 | }
|
438 |
|
439 | this.pins[pinIndex].report = 0;
|
440 | this.pins[pinIndex].value = value;
|
441 |
|
442 | state.port = port;
|
443 |
|
444 | this.io.i2cWrite(this.address, (pins & ~ddr) | port);
|
445 | }
|
446 | },
|
447 | digitalRead: {
|
448 | value: function(pin, callback) {
|
449 | var state = priv.get(this);
|
450 | var pinIndex = pin;
|
451 |
|
452 | this.pins[pinIndex].report = 1;
|
453 |
|
454 | this.on("digital-read-" + pin, callback);
|
455 |
|
456 | this.io.i2cRead(this.address, 1, function(data) {
|
457 | var byte = data[0];
|
458 | var value = byte >> pin & 0x01;
|
459 |
|
460 | state.pins = byte;
|
461 |
|
462 | this.pins[pinIndex].value = value;
|
463 |
|
464 | this.emit("digital-read-" + pin, value);
|
465 | }.bind(this));
|
466 | }
|
467 | },
|
468 | },
|
469 | PCF8575: {
|
470 | ADDRESSES: {
|
471 | value: [0x20]
|
472 | },
|
473 | REGISTER: {},
|
474 | initialize: {
|
475 | value: function(opts) {
|
476 | var state = priv.get(this);
|
477 |
|
478 | state.port = [0x00, 0x01];
|
479 | state.gpio = [0x00, 0x00];
|
480 |
|
481 | this.address = opts.address || this.ADDRESSES[0];
|
482 |
|
483 | opts.address = this.address;
|
484 | this.io.i2cConfig(opts);
|
485 |
|
486 | Object.assign(this.MODES, this.io.MODES);
|
487 |
|
488 | for (var i = 0; i < 16; i++) {
|
489 | this.pins.push({
|
490 | supportedModes: [
|
491 | this.MODES.INPUT,
|
492 | this.MODES.OUTPUT
|
493 | ],
|
494 | mode: 1,
|
495 | value: 0,
|
496 | report: 0,
|
497 | analogChannel: 127
|
498 | });
|
499 |
|
500 | this.pinMode(i, this.MODES.OUTPUT);
|
501 | this.digitalWrite(i, this.LOW);
|
502 | }
|
503 |
|
504 |
|
505 | this.io.i2cWrite(this.address, state.gpio);
|
506 |
|
507 | this.name = "PCF8575";
|
508 | this.isReady = true;
|
509 |
|
510 | this.emit("connect");
|
511 | this.emit("ready");
|
512 | }
|
513 | },
|
514 | normalize: {
|
515 | value: function(pin) {
|
516 | return pin;
|
517 | }
|
518 | },
|
519 | pinMode: {
|
520 | value: function(pin, mode) {
|
521 | var pinIndex = pin;
|
522 | this.pins[pinIndex].mode = mode;
|
523 | }
|
524 | },
|
525 | digitalWrite: {
|
526 | value: function(pin, value) {
|
527 | var state = priv.get(this);
|
528 | var pinIndex = pin;
|
529 | var port;
|
530 |
|
531 | if (pin < 8) {
|
532 | port = 0;
|
533 | } else {
|
534 | port = 1;
|
535 | pin -= 8;
|
536 | }
|
537 |
|
538 | if (value === this.io.HIGH) {
|
539 | state.gpio[port] |= 1 << pin;
|
540 | } else {
|
541 | state.gpio[port] &= ~(1 << pin);
|
542 | }
|
543 |
|
544 | this.pins[pinIndex].report = 0;
|
545 | this.pins[pinIndex].value = value;
|
546 |
|
547 | this.io.i2cWrite(this.address, state.gpio);
|
548 | }
|
549 | },
|
550 | digitalRead: {
|
551 | value: function(pin, callback) {
|
552 | var pinIndex = pin;
|
553 | var port;
|
554 |
|
555 | if (pin < 8) {
|
556 | port = 0;
|
557 | } else {
|
558 | port = 1;
|
559 | pin -= 8;
|
560 | }
|
561 |
|
562 | this.pins[pinIndex].report = 1;
|
563 |
|
564 | this.on("digital-read-" + pin, callback);
|
565 |
|
566 | this.io.i2cRead(this.address, 2, function(data) {
|
567 | var byte = data[port];
|
568 | var value = byte >> pin & 0x01;
|
569 |
|
570 | this.pins[pinIndex].value = value;
|
571 |
|
572 | this.emit("digital-read-" + pin, value);
|
573 | }.bind(this));
|
574 | }
|
575 | },
|
576 | },
|
577 | PCA9685: {
|
578 | ADDRESSES: {
|
579 | value: [0x40]
|
580 | },
|
581 | REGISTER: {
|
582 | value: {
|
583 | MODE1: 0x00,
|
584 | PRESCALE: 0xFE,
|
585 | BASE: 0x06
|
586 | }
|
587 | },
|
588 | initialize: {
|
589 | value: function(opts) {
|
590 | var state = priv.get(this);
|
591 |
|
592 |
|
593 |
|
594 | state.frequency = Board.constrain(opts.frequency || 1526, 24, 1526) * 0.9;
|
595 |
|
596 | this.address = opts.address || this.ADDRESSES[0];
|
597 | this.pwmRange = opts.pwmRange || [0, 4095];
|
598 |
|
599 | Object.defineProperties(this, {
|
600 | prescale: {
|
601 | get: function() {
|
602 |
|
603 |
|
604 |
|
605 | return Math.round(25000000 / (4096 * state.frequency)) - 1;
|
606 | }
|
607 | },
|
608 | frequency: {
|
609 | get: function() {
|
610 | return state.frequency;
|
611 | }
|
612 | }
|
613 | });
|
614 |
|
615 | opts.address = this.address;
|
616 |
|
617 | this.io.i2cConfig(opts);
|
618 |
|
619 |
|
620 | this.io.i2cWriteReg(this.address, this.REGISTER.MODE1, 0x00);
|
621 |
|
622 | this.io.i2cWriteReg(this.address, this.REGISTER.MODE1, 0x10);
|
623 |
|
624 | this.io.i2cWriteReg(this.address, this.REGISTER.PRESCALE, this.prescale);
|
625 |
|
626 | this.io.i2cWriteReg(this.address, this.REGISTER.MODE1, 0x00);
|
627 |
|
628 | nanosleep(5);
|
629 |
|
630 | this.io.i2cWriteReg(this.address, this.REGISTER.MODE1, 0xa1);
|
631 |
|
632 | Object.assign(this.MODES, this.io.MODES);
|
633 |
|
634 | for (var i = 0; i < 16; i++) {
|
635 | this.pins.push({
|
636 | supportedModes: [
|
637 | this.MODES.OUTPUT,
|
638 | this.MODES.PWM,
|
639 | this.MODES.SERVO,
|
640 | ],
|
641 | mode: 0,
|
642 | value: 0,
|
643 | report: 0,
|
644 | analogChannel: 127
|
645 | });
|
646 |
|
647 | this.pinMode(i, this.MODES.OUTPUT);
|
648 | this.digitalWrite(i, this.LOW);
|
649 | }
|
650 |
|
651 | this.name = "PCA9685";
|
652 | this.isReady = true;
|
653 |
|
654 | this.emit("connect");
|
655 | this.emit("ready");
|
656 | }
|
657 | },
|
658 | normalize: {
|
659 | value: function(pin) {
|
660 | return this.io.name.includes("Tessel 2") ? pin - 1 : pin;
|
661 | }
|
662 | },
|
663 | pinMode: {
|
664 | value: function(pin, mode) {
|
665 | if (this.pins[pin] === undefined) {
|
666 | throw new RangeError("Invalid PCA9685 pin: " + pin);
|
667 | }
|
668 | this.pins[pin].mode = mode;
|
669 | }
|
670 | },
|
671 | digitalWrite: {
|
672 | value: function(pin, value) {
|
673 | this.pwmWrite(pin, value ? 255 : 0);
|
674 | }
|
675 | },
|
676 | analogWrite: {
|
677 | value: function(pin, value) {
|
678 | this.pwmWrite(pin, value);
|
679 | }
|
680 | },
|
681 | servoWrite: {
|
682 | value: function(pin, value) {
|
683 |
|
684 | var off;
|
685 |
|
686 | if (value < 544) {
|
687 | value = Board.constrain(value, 0, 180);
|
688 | off = Fn.map(value, 0, 180, this.pwmRange[0] / 4, this.pwmRange[1] / 4);
|
689 | } else {
|
690 | off = value / 4;
|
691 | }
|
692 |
|
693 | off |= 0;
|
694 |
|
695 | this.io.i2cWrite(this.address, [
|
696 | this.REGISTER.BASE + 4 * pin,
|
697 | 0, 0,
|
698 | off, off >> 8
|
699 | ]);
|
700 | }
|
701 | },
|
702 | pwmWrite: {
|
703 | value: function(pin, value) {
|
704 |
|
705 | if (this.pins[pin] === undefined) {
|
706 | throw new RangeError("Invalid PCA9685 pin: " + pin);
|
707 | }
|
708 |
|
709 | value = Board.constrain(value, 0, 255);
|
710 |
|
711 | var on = 0;
|
712 | var off = this.pwmRange[1] * value / 255;
|
713 |
|
714 | if (value === 0) {
|
715 |
|
716 | on = 0;
|
717 | off = 4096;
|
718 | }
|
719 |
|
720 | if (value === 255) {
|
721 |
|
722 | on = 4096;
|
723 | off = 0;
|
724 | }
|
725 |
|
726 | this.io.i2cWrite(this.address, [
|
727 | this.REGISTER.BASE + 4 * pin,
|
728 | on, on >> 8,
|
729 | off, off >> 8
|
730 | ]);
|
731 |
|
732 | this.pins[pin].value = value;
|
733 | }
|
734 | }
|
735 | },
|
736 | PCF8591: {
|
737 | ADDRESSES: {
|
738 | value: [0x48]
|
739 | },
|
740 | REGISTER: {},
|
741 | initialize: {
|
742 | value: function(opts) {
|
743 | var state = priv.get(this);
|
744 |
|
745 | state.control = 0x45;
|
746 | state.reading = false;
|
747 |
|
748 | this.address = opts.address || this.ADDRESSES[0];
|
749 |
|
750 | opts.address = this.address;
|
751 | this.io.i2cConfig(opts);
|
752 |
|
753 | Object.assign(this.MODES, this.io.MODES);
|
754 |
|
755 | for (var i = 0; i < 4; i++) {
|
756 | this.pins.push({
|
757 | supportedModes: [
|
758 | this.MODES.ANALOG
|
759 | ],
|
760 | mode: 1,
|
761 | value: 0,
|
762 | report: 0,
|
763 | analogChannel: i
|
764 | });
|
765 | }
|
766 |
|
767 | this.analogPins.push(0, 1, 2, 3);
|
768 |
|
769 | this.io.i2cWrite(this.address, state.control);
|
770 |
|
771 | this.name = "PCF8591";
|
772 | this.isReady = true;
|
773 |
|
774 | this.emit("connect");
|
775 | this.emit("ready");
|
776 | }
|
777 | },
|
778 | normalize: {
|
779 | value: function(pin) {
|
780 | if (typeof pin === "string" && pin[0] === "A") {
|
781 | return +pin.slice(1);
|
782 | }
|
783 | return pin;
|
784 | }
|
785 | },
|
786 | pinMode: {
|
787 | value: function(pin, mode) {
|
788 | this.pins[pin].mode = mode;
|
789 | }
|
790 | },
|
791 | analogRead: {
|
792 | value: function(pin, callback) {
|
793 | var state = priv.get(this);
|
794 | var pinIndex = pin;
|
795 |
|
796 | this.pins[pinIndex].report = 1;
|
797 |
|
798 | this.on("analog-read-" + pin, callback);
|
799 |
|
800 |
|
801 |
|
802 | if (!state.reading) {
|
803 | state.reading = true;
|
804 |
|
805 | this.io.i2cRead(this.address, 4, function(data) {
|
806 | var value;
|
807 | for (var i = 0; i < 4; i++) {
|
808 | value = data[i] << 2;
|
809 | this.pins[i].value = value;
|
810 |
|
811 | if (this.pins[i].report) {
|
812 | this.emit("analog-read-" + i, value);
|
813 | }
|
814 | }
|
815 | }.bind(this));
|
816 | }
|
817 | }
|
818 | },
|
819 | },
|
820 | MUXSHIELD2: {
|
821 | initialize: {
|
822 | value: function() {
|
823 | var state = priv.get(this);
|
824 |
|
825 |
|
826 | state.select = [2, 4, 6, 7];
|
827 |
|
828 | state.ios = [null, 10, 11, 12];
|
829 |
|
830 | state.io = [null, 14, 15, 16];
|
831 | state.aio = [null, 0, 1, 2];
|
832 |
|
833 | state.outMode = 8;
|
834 | state.pinMap = {};
|
835 | state.rowReading = [false, false, false];
|
836 | state.rowMode = [null, null, null];
|
837 |
|
838 | state.rowValues = [0, 0, 0];
|
839 |
|
840 | Object.assign(this.MODES, {
|
841 | INPUT: 0,
|
842 | OUTPUT: 1,
|
843 | ANALOG: 2,
|
844 | });
|
845 |
|
846 | this.io.pinMode(state.select[0], this.MODES.OUTPUT);
|
847 | this.io.pinMode(state.select[1], this.MODES.OUTPUT);
|
848 | this.io.pinMode(state.select[2], this.MODES.OUTPUT);
|
849 | this.io.pinMode(state.select[3], this.MODES.OUTPUT);
|
850 |
|
851 | this.io.pinMode(state.outMode, this.MODES.OUTPUT);
|
852 | this.io.digitalWrite(state.outMode, this.LOW);
|
853 |
|
854 | this.io.pinMode(state.ios[1], this.MODES.OUTPUT);
|
855 | this.io.pinMode(state.ios[2], this.MODES.OUTPUT);
|
856 | this.io.pinMode(state.ios[3], this.MODES.OUTPUT);
|
857 |
|
858 | var row = 1;
|
859 | var mask = 16;
|
860 | var index = 0;
|
861 |
|
862 | for (var i = 0; i < 48; i++) {
|
863 | var band = i & mask;
|
864 |
|
865 | if (band === mask) {
|
866 | row++;
|
867 | mask *= 2;
|
868 | index = 0;
|
869 | }
|
870 |
|
871 | state.pinMap["IO" + row + "-" + index] = i;
|
872 |
|
873 | this.pins.push({
|
874 | row: row,
|
875 | index: index,
|
876 | supportedModes: [
|
877 | this.MODES.INPUT,
|
878 | this.MODES.OUTPUT,
|
879 | this.MODES.ANALOG,
|
880 | ],
|
881 | mode: 1,
|
882 | value: 0,
|
883 | report: 0,
|
884 | analogChannel: i
|
885 | });
|
886 |
|
887 | this.analogPins.push(i);
|
888 |
|
889 |
|
890 |
|
891 |
|
892 |
|
893 | index++;
|
894 | }
|
895 |
|
896 | this.name = "MUXSHIELD2";
|
897 | this.isReady = true;
|
898 |
|
899 | this.emit("connect");
|
900 | this.emit("ready");
|
901 | }
|
902 | },
|
903 | normalize: {
|
904 | value: function(pin) {
|
905 | return pin;
|
906 | }
|
907 | },
|
908 | pinMode: {
|
909 | value: function(pin, mode) {
|
910 | var state = priv.get(this);
|
911 | var pinIndex = state.pinMap[pin];
|
912 |
|
913 | if (pinIndex === undefined) {
|
914 | throw new Error("MUXSHIELD2: Invalid Pin number or name: " + pin);
|
915 | }
|
916 |
|
917 | var row = this.pins[pinIndex].row;
|
918 | var rowModeIndex = row - 1;
|
919 | var rowMode = state.rowMode[rowModeIndex];
|
920 |
|
921 | if (rowMode === mode) {
|
922 | return this;
|
923 | }
|
924 |
|
925 | if (rowMode !== null && rowMode !== mode) {
|
926 | throw new Error("MUXSHIELD2: Cannot set mixed modes per IO row.");
|
927 | }
|
928 |
|
929 | state.rowMode[rowModeIndex] = mode;
|
930 |
|
931 |
|
932 |
|
933 |
|
934 | for (var i = 0; i < 16; i++) {
|
935 | this.pins[rowModeIndex + i].mode = mode;
|
936 | }
|
937 |
|
938 | var IO = state.io[row];
|
939 | var IOS = state.ios[row];
|
940 |
|
941 | if (mode === this.MODES.INPUT) {
|
942 |
|
943 | this.io.pinMode(IO, this.MODES.INPUT);
|
944 |
|
945 | }
|
946 |
|
947 | if (mode === this.MODES.OUTPUT) {
|
948 | this.io.pinMode(IO, this.MODES.OUTPUT);
|
949 | this.io.digitalWrite(IOS, this.HIGH);
|
950 | }
|
951 | }
|
952 | },
|
953 | digitalWrite: {
|
954 | value: function(pin, value) {
|
955 | var state = priv.get(this);
|
956 | var pinIndex = state.pinMap[pin];
|
957 |
|
958 | if (pinIndex === undefined) {
|
959 | throw new Error("MUXSHIELD2: Invalid Pin number or name: " + pin);
|
960 | }
|
961 |
|
962 | var row = this.pins[pinIndex].row;
|
963 | var rowValueIndex = row - 1;
|
964 | var rowValue = state.rowValues[rowValueIndex];
|
965 |
|
966 | var ioPin = row - 1;
|
967 | var offset = ioPin * 16;
|
968 | var channel = pinIndex - offset;
|
969 |
|
970 | if (value) {
|
971 | rowValue |= 1 << channel;
|
972 | } else {
|
973 | rowValue &= ~(1 << channel);
|
974 | }
|
975 |
|
976 | this.io.digitalWrite(state.select[3], this.LOW);
|
977 | this.io.digitalWrite(state.outMode, this.HIGH);
|
978 |
|
979 | var S = state.select[row - 1];
|
980 | var IO = state.io[row];
|
981 |
|
982 | for (var i = 15; i >= 0; i--) {
|
983 | this.io.digitalWrite(S, this.LOW);
|
984 | this.io.digitalWrite(IO, (rowValue >> i) & 1);
|
985 | this.io.digitalWrite(S, this.HIGH);
|
986 | }
|
987 |
|
988 | this.io.digitalWrite(state.select[3], this.HIGH);
|
989 | this.io.digitalWrite(state.outMode, this.LOW);
|
990 |
|
991 | this.pins[pinIndex].value = value;
|
992 |
|
993 | state.rowValues[rowValueIndex] = rowValue;
|
994 | }
|
995 | },
|
996 | digitalRead: {
|
997 | value: function(pin, callback) {
|
998 | this.ioRead("digital", pin, callback);
|
999 | }
|
1000 | },
|
1001 | analogRead: {
|
1002 | value: function(pin, callback) {
|
1003 | this.ioRead("analog", pin, callback);
|
1004 | }
|
1005 | },
|
1006 | ioRead: {
|
1007 | value: function(type, pin, callback) {
|
1008 | var state = priv.get(this);
|
1009 | var pinIndex = state.pinMap[pin];
|
1010 |
|
1011 | if (pinIndex === undefined) {
|
1012 | throw new Error("MUXSHIELD2: Invalid Pin number or name: " + pin);
|
1013 | }
|
1014 |
|
1015 | this.on(type + "-read-" + pinIndex, callback);
|
1016 |
|
1017 | var isAnalog = type === "analog" ? true : false;
|
1018 | var row = this.pins[pinIndex].row;
|
1019 | var rowReadingIndex = row - 1;
|
1020 | var offset = rowReadingIndex * 16;
|
1021 | var channel = pinIndex - offset;
|
1022 |
|
1023 | this.pins[pinIndex].report = 1;
|
1024 | this.pins[pinIndex].channel = channel;
|
1025 | this.pins[pinIndex].ioPin = isAnalog ? rowReadingIndex : rowReadingIndex + 14;
|
1026 |
|
1027 | var nextPinIndex = function() {
|
1028 | var startAt = nextPinIndex.lastPinIndex + 1;
|
1029 |
|
1030 | for (var i = startAt; i < this.pins.length; i++) {
|
1031 | if (this.pins[i].report === 1) {
|
1032 | nextPinIndex.lastPinIndex = i;
|
1033 | return nextPinIndex.lastPinIndex;
|
1034 | }
|
1035 | }
|
1036 |
|
1037 | nextPinIndex.lastPinIndex = -1;
|
1038 |
|
1039 | return nextPinIndex();
|
1040 | }.bind(this);
|
1041 |
|
1042 | nextPinIndex.lastPinIndex = -1;
|
1043 |
|
1044 | var handler = function(value) {
|
1045 | var pinIndex = nextPinIndex.lastPinIndex;
|
1046 | var pin = this.pins[pinIndex];
|
1047 |
|
1048 | this.emit(type + "-read-" + pinIndex, value);
|
1049 |
|
1050 | this.io.removeListener(type + "-read-" + pin.ioPin, handler);
|
1051 |
|
1052 | setTimeout(read, 10);
|
1053 | }.bind(this);
|
1054 |
|
1055 | var read = function() {
|
1056 | var pinIndex = nextPinIndex();
|
1057 | var pin = this.pins[pinIndex];
|
1058 |
|
1059 | this.select(pin.channel);
|
1060 |
|
1061 | if (isAnalog) {
|
1062 | this.io.pinMode(pin.ioPin, this.io.MODES.ANALOG);
|
1063 | this.io.analogRead(pin.ioPin, handler);
|
1064 | } else {
|
1065 | this.io.digitalRead(pin.ioPin, handler);
|
1066 | }
|
1067 | }.bind(this);
|
1068 |
|
1069 | if (!state.rowReading[rowReadingIndex]) {
|
1070 | state.rowReading[rowReadingIndex] = true;
|
1071 | read();
|
1072 | }
|
1073 | }
|
1074 | },
|
1075 |
|
1076 |
|
1077 | select: {
|
1078 | value: function(channel) {
|
1079 | var state = priv.get(this);
|
1080 | this.io.digitalWrite(state.outMode, this.LOW);
|
1081 | this.io.digitalWrite(state.select[0], (channel & 1));
|
1082 | this.io.digitalWrite(state.select[1], (channel & 3) >> 1);
|
1083 | this.io.digitalWrite(state.select[2], (channel & 7) >> 2);
|
1084 | this.io.digitalWrite(state.select[3], (channel & 15) >> 3);
|
1085 | }
|
1086 | }
|
1087 | },
|
1088 |
|
1089 | GROVEPI: {
|
1090 | ADDRESSES: {
|
1091 | value: [0x04]
|
1092 | },
|
1093 | REGISTER: {},
|
1094 | COMMANDS: {
|
1095 | value: {
|
1096 | DIGITAL_READ: 0x01,
|
1097 | DIGITAL_WRITE: 0x02,
|
1098 | ANALOG_READ: 0x03,
|
1099 | ANALOG_WRITE: 0x04,
|
1100 | PIN_MODE: 0x05,
|
1101 | PING_READ: 0x07,
|
1102 | }
|
1103 | },
|
1104 | initialize: {
|
1105 | value: function(opts) {
|
1106 | var state = priv.get(this);
|
1107 |
|
1108 | state.isReading = false;
|
1109 | state.pinMap = {
|
1110 | D2: 2,
|
1111 | D3: 3,
|
1112 | D4: 4,
|
1113 | D5: 5,
|
1114 | D6: 6,
|
1115 | D7: 7,
|
1116 | D8: 8,
|
1117 | A0: 14,
|
1118 | A1: 15,
|
1119 | A2: 16,
|
1120 | };
|
1121 |
|
1122 |
|
1123 | this.isPwm = function(name) {
|
1124 | var number = typeof name === "number" ? name : parseInt(name[1]);
|
1125 | return number === 3 || number === 5 || number === 6;
|
1126 | };
|
1127 |
|
1128 | this.address = opts.address || this.ADDRESSES[0];
|
1129 | opts.address = this.address;
|
1130 |
|
1131 | this.io.i2cConfig(opts);
|
1132 |
|
1133 | Object.assign(this.MODES, this.io.MODES);
|
1134 |
|
1135 | var analogChannel;
|
1136 |
|
1137 | for (var i = 0; i < 17; i++) {
|
1138 | analogChannel = 127;
|
1139 |
|
1140 | if (i <= 1 || (i >= 9 && i < 14)) {
|
1141 |
|
1142 |
|
1143 | this.pins.push({
|
1144 | supportedModes: [],
|
1145 | mode: 0,
|
1146 | value: 0,
|
1147 | report: 0,
|
1148 | analogChannel: analogChannel
|
1149 | });
|
1150 | } else {
|
1151 |
|
1152 | this.pins.push({
|
1153 | supportedModes: [
|
1154 | this.MODES.INPUT,
|
1155 | this.MODES.OUTPUT,
|
1156 | ],
|
1157 | mode: 0,
|
1158 | value: 0,
|
1159 | report: 0,
|
1160 | analogChannel: analogChannel
|
1161 | });
|
1162 |
|
1163 |
|
1164 |
|
1165 | if (this.isPwm(i)) {
|
1166 | this.pins[i].supportedModes.push(
|
1167 | this.MODES.PWM
|
1168 | );
|
1169 | }
|
1170 |
|
1171 | if (i >= 14 && i <= 17) {
|
1172 |
|
1173 |
|
1174 |
|
1175 |
|
1176 |
|
1177 | this.pins[i].analogChannel = i - 14;
|
1178 |
|
1179 |
|
1180 | this.pins[i].supportedModes.push(
|
1181 | this.MODES.ANALOG
|
1182 | );
|
1183 |
|
1184 | this.analogPins.push(i);
|
1185 |
|
1186 |
|
1187 |
|
1188 | this.pinMode("A" + this.pins[i].analogChannel, this.MODES.ANALOG);
|
1189 | } else {
|
1190 |
|
1191 |
|
1192 | this.pinMode("D" + i, this.MODES.OUTPUT);
|
1193 | this.digitalWrite("D" + i, this.LOW);
|
1194 | }
|
1195 | }
|
1196 | }
|
1197 |
|
1198 | this.name = "GROVEPI";
|
1199 | this.isReady = true;
|
1200 |
|
1201 | this.emit("connect");
|
1202 | this.emit("ready");
|
1203 | }
|
1204 | },
|
1205 | normalize: {
|
1206 | value: function(pin) {
|
1207 | return pin;
|
1208 | }
|
1209 | },
|
1210 |
|
1211 | pinMode: {
|
1212 | value: function(pin, mode) {
|
1213 | var state = priv.get(this);
|
1214 | var pinIndex = state.pinMap[pin];
|
1215 |
|
1216 | if (mode === this.io.MODES.INPUT ||
|
1217 | mode === this.io.MODES.ANALOG) {
|
1218 | this.pins[pinIndex].mode = 0;
|
1219 | } else {
|
1220 | this.pins[pinIndex].mode = 1;
|
1221 | }
|
1222 |
|
1223 | this.io.i2cWrite(
|
1224 | this.address, [
|
1225 | this.COMMANDS.PIN_MODE,
|
1226 | pinIndex,
|
1227 | this.pins[pinIndex].mode,
|
1228 | 0
|
1229 | ]
|
1230 | );
|
1231 | }
|
1232 | },
|
1233 |
|
1234 | digitalWrite: {
|
1235 | value: function(pin, value) {
|
1236 | var state = priv.get(this);
|
1237 | var pinIndex = state.pinMap[pin];
|
1238 |
|
1239 |
|
1240 | value = value ? 1 : 0;
|
1241 |
|
1242 | this.io.i2cWrite(
|
1243 | this.address, [
|
1244 | this.COMMANDS.DIGITAL_WRITE,
|
1245 | pinIndex,
|
1246 | value,
|
1247 | 0
|
1248 | ]
|
1249 | );
|
1250 |
|
1251 | this.pins[pinIndex].value = value;
|
1252 | }
|
1253 | },
|
1254 |
|
1255 | ioRead: {
|
1256 | value: function(pin, type, callback) {
|
1257 | var state = priv.get(this);
|
1258 | var pinIndex = state.pinMap[pin];
|
1259 | var isAnalog = type === "analog";
|
1260 | var length = isAnalog ? 3 : 1;
|
1261 | var command = isAnalog ? this.COMMANDS.ANALOG_READ : this.COMMANDS.DIGITAL_READ;
|
1262 |
|
1263 | this.on(type + "-read-" + pinIndex, callback);
|
1264 |
|
1265 | this.pins[pinIndex].report = 1;
|
1266 | this.pins[pinIndex].command = command;
|
1267 | this.pins[pinIndex].type = type;
|
1268 | this.pins[pinIndex].length = length;
|
1269 |
|
1270 | var nextPinIndex = function() {
|
1271 | var startAt = nextPinIndex.lastPinIndex + 1;
|
1272 |
|
1273 | for (var i = startAt; i < this.pins.length; i++) {
|
1274 | if (this.pins[i].report === 1) {
|
1275 | nextPinIndex.lastPinIndex = i;
|
1276 | return nextPinIndex.lastPinIndex;
|
1277 | }
|
1278 | }
|
1279 |
|
1280 | nextPinIndex.lastPinIndex = -1;
|
1281 |
|
1282 | return nextPinIndex();
|
1283 | }.bind(this);
|
1284 |
|
1285 | nextPinIndex.lastPinIndex = -1;
|
1286 |
|
1287 | var handler = function(pinIndex, value) {
|
1288 | var pin = this.pins[pinIndex];
|
1289 | var canEmit = true;
|
1290 |
|
1291 | if (pin.type === "digital" && this.pins[pinIndex].value === value) {
|
1292 | canEmit = false;
|
1293 | }
|
1294 |
|
1295 | this.pins[pinIndex].value = value;
|
1296 |
|
1297 | if (canEmit) {
|
1298 | this.emit(pin.type + "-read-" + pinIndex, value);
|
1299 | }
|
1300 |
|
1301 | setTimeout(read, 1);
|
1302 | }.bind(this);
|
1303 |
|
1304 | var read = function() {
|
1305 | var pinIndex = nextPinIndex();
|
1306 | var pin = this.pins[pinIndex];
|
1307 | var isAnalog = pin.type === "analog";
|
1308 |
|
1309 | this.io.i2cWrite(this.address, [pin.command, pinIndex, 0, 0]);
|
1310 | this.io.i2cReadOnce(this.address, pin.length, function(data) {
|
1311 | var value;
|
1312 |
|
1313 | if (isAnalog) {
|
1314 | value = (data[1] << 8) + data[2];
|
1315 | } else {
|
1316 | value = data[0];
|
1317 | }
|
1318 | handler(pinIndex, value);
|
1319 | }.bind(this));
|
1320 | }.bind(this);
|
1321 |
|
1322 | if (!state.isReading) {
|
1323 | state.isReading = true;
|
1324 | read();
|
1325 | }
|
1326 | }
|
1327 | },
|
1328 |
|
1329 | digitalRead: {
|
1330 | value: function(pin, callback) {
|
1331 | this.ioRead(pin, "digital", callback);
|
1332 | },
|
1333 | },
|
1334 | analogRead: {
|
1335 | value: function(pin, callback) {
|
1336 | this.ioRead(pin, "analog", callback);
|
1337 | },
|
1338 | },
|
1339 | pingRead: {
|
1340 | value: function(settings, callback) {
|
1341 | var state = priv.get(this);
|
1342 | var pinIndex = state.pinMap[settings.pin];
|
1343 |
|
1344 | this.io.i2cWrite(
|
1345 | this.address, [
|
1346 | this.COMMANDS.PING_READ,
|
1347 | pinIndex,
|
1348 | 0, 0
|
1349 | ]
|
1350 | );
|
1351 |
|
1352 | setTimeout(function() {
|
1353 | this.once("ping-read-" + settings.pin, callback);
|
1354 |
|
1355 | this.io.i2cReadOnce(this.address, 3, function(data) {
|
1356 |
|
1357 |
|
1358 | var value = Math.round(((data[1] << 8) + data[2]) * 29 * 2);
|
1359 |
|
1360 | this.pins[pinIndex].value = value;
|
1361 | this.emit("ping-read-" + settings.pin, value);
|
1362 | }.bind(this));
|
1363 | }.bind(this), 200);
|
1364 | },
|
1365 | },
|
1366 | analogWrite: {
|
1367 | value: function(pin, value) {
|
1368 | this.pwmWrite(pin, value);
|
1369 | }
|
1370 | },
|
1371 | pwmWrite: {
|
1372 | writable: true,
|
1373 | value: function(pin, value) {
|
1374 | var state = priv.get(this);
|
1375 | var pinIndex = state.pinMap[pin];
|
1376 |
|
1377 | value = Board.constrain(value, 0, 255);
|
1378 |
|
1379 | this.io.i2cWrite(
|
1380 | this.address, [
|
1381 | this.COMMANDS.ANALOG_WRITE,
|
1382 | pinIndex,
|
1383 | value,
|
1384 | 0
|
1385 | ]
|
1386 | );
|
1387 |
|
1388 | this.pins[pinIndex].value = value;
|
1389 | }
|
1390 | }
|
1391 | },
|
1392 | "74HC595": {
|
1393 | initialize: {
|
1394 | value: function(opts) {
|
1395 | var state = priv.get(this);
|
1396 |
|
1397 | if (!opts.pins.data) {
|
1398 | throw new Error("Expected pins.data");
|
1399 | }
|
1400 |
|
1401 | if (!opts.pins.clock) {
|
1402 | throw new Error("Expected pins.clock");
|
1403 | }
|
1404 |
|
1405 | if (!opts.pins.latch) {
|
1406 | throw new Error("Expected pins.latch");
|
1407 | }
|
1408 |
|
1409 | state.data = opts.pins.data;
|
1410 | state.clock = opts.pins.clock;
|
1411 | state.latch = opts.pins.latch;
|
1412 | state.value = 0x00;
|
1413 |
|
1414 | Object.assign(this.MODES, this.io.MODES);
|
1415 |
|
1416 |
|
1417 | this.pins = [];
|
1418 |
|
1419 | for (var i = 0; i < 8; i++) {
|
1420 | this.pins.push({
|
1421 | supportedModes: [
|
1422 | this.MODES.OUTPUT
|
1423 | ],
|
1424 | mode: 1,
|
1425 | value: 0,
|
1426 | report: 0,
|
1427 | analogChannel: 127
|
1428 | });
|
1429 | }
|
1430 |
|
1431 | this.portWrite(0, state.value);
|
1432 |
|
1433 | this.name = "74HC595";
|
1434 | this.isReady = true;
|
1435 |
|
1436 | this.emit("connect");
|
1437 | this.emit("ready");
|
1438 | }
|
1439 | },
|
1440 | normalize: {
|
1441 | value: function(pin) {
|
1442 | return pin;
|
1443 | }
|
1444 | },
|
1445 | pinMode: {
|
1446 | value: function(pin, mode) {
|
1447 | this.pins[pin].mode = mode;
|
1448 | }
|
1449 | },
|
1450 | digitalWrite: {
|
1451 | value: function(pin, value) {
|
1452 | var state = priv.get(this);
|
1453 |
|
1454 | if (value) {
|
1455 | state.value |= 1 << pin;
|
1456 | } else {
|
1457 | state.value &= ~(1 << pin);
|
1458 | }
|
1459 |
|
1460 | this.pins[pin].value = value;
|
1461 |
|
1462 | this.portWrite(0, state.value);
|
1463 | }
|
1464 | },
|
1465 | portWrite: {
|
1466 | writable: true,
|
1467 | configurable: true,
|
1468 | value: function(port, value) {
|
1469 | var state = priv.get(this);
|
1470 |
|
1471 | state.value = value;
|
1472 |
|
1473 | this.board.digitalWrite(state.latch, this.io.LOW);
|
1474 | this.board.shiftOut(state.data, state.clock, true, state.value);
|
1475 | this.board.digitalWrite(state.latch, this.io.HIGH);
|
1476 |
|
1477 | for (var i = 0; i < 8; i++) {
|
1478 | this.pins[i].value = (state.value >> i) & 1;
|
1479 | }
|
1480 | }
|
1481 | },
|
1482 | },
|
1483 | CD74HC4067: {
|
1484 | |
1485 |
|
1486 |
|
1487 |
|
1488 |
|
1489 |
|
1490 |
|
1491 |
|
1492 | ADDRESSES: {
|
1493 | value: [0x0A, 0x0B, 0x0C, 0x0D]
|
1494 | },
|
1495 | REGISTER: {},
|
1496 | initialize: {
|
1497 | value: function(opts) {
|
1498 | var state = priv.get(this);
|
1499 |
|
1500 | state.reading = false;
|
1501 |
|
1502 | this.address = opts.address || this.ADDRESSES[0];
|
1503 |
|
1504 | opts.address = this.address;
|
1505 | this.io.i2cConfig(opts);
|
1506 |
|
1507 | Object.assign(this.MODES, this.io.MODES);
|
1508 |
|
1509 | for (var i = 0; i < 16; i++) {
|
1510 | this.pins.push({
|
1511 | supportedModes: [
|
1512 | this.MODES.ANALOG
|
1513 | ],
|
1514 | mode: 1,
|
1515 | value: 0,
|
1516 | report: 0,
|
1517 | analogChannel: i
|
1518 | });
|
1519 | this.analogPins.push(i);
|
1520 | }
|
1521 |
|
1522 | this.name = "CD74HC4067";
|
1523 | this.isReady = true;
|
1524 |
|
1525 | this.emit("connect");
|
1526 | this.emit("ready");
|
1527 | }
|
1528 | },
|
1529 | normalize: {
|
1530 | value: function(pin) {
|
1531 | if (typeof pin === "string" && pin[0] === "A") {
|
1532 | return +pin.slice(1);
|
1533 | }
|
1534 | return pin;
|
1535 | }
|
1536 | },
|
1537 | pinMode: {
|
1538 | value: function(pin, mode) {
|
1539 | this.pins[pin].mode = mode;
|
1540 | }
|
1541 | },
|
1542 | analogRead: {
|
1543 | value: function(pin, callback) {
|
1544 | var state = priv.get(this);
|
1545 | var pinIndex = pin;
|
1546 |
|
1547 | this.pins[pinIndex].report = 1;
|
1548 |
|
1549 | this.on("analog-read-" + pin, callback);
|
1550 |
|
1551 | this.io.i2cWrite(this.address, pinIndex, 1);
|
1552 |
|
1553 |
|
1554 |
|
1555 | if (!state.reading) {
|
1556 | state.reading = true;
|
1557 |
|
1558 | this.io.i2cRead(this.address, 32, function(data) {
|
1559 | var value;
|
1560 | for (var i = 0; i < 16; i++) {
|
1561 | var index = i * 2;
|
1562 |
|
1563 | value = (data[index] << 8) + data[index + 1];
|
1564 |
|
1565 | this.pins[i].value = value;
|
1566 |
|
1567 | if (this.pins[i].report) {
|
1568 | this.emit("analog-read-" + i, value);
|
1569 | }
|
1570 | }
|
1571 | }.bind(this));
|
1572 | }
|
1573 | }
|
1574 | },
|
1575 | },
|
1576 |
|
1577 | LIS3DH: {
|
1578 | ADDRESSES: {
|
1579 | value: [0x18]
|
1580 | },
|
1581 | REGISTER: {
|
1582 | value: {
|
1583 |
|
1584 |
|
1585 |
|
1586 |
|
1587 | OUT_ADC1_L: 0x08,
|
1588 | OUT_X_L: 0x28,
|
1589 | CTRL_REG1: 0x20,
|
1590 | CTRL_REG2: 0x21,
|
1591 | CTRL_REG3: 0x22,
|
1592 | CTRL_REG4: 0x23,
|
1593 | CTRL_REG5: 0x24,
|
1594 |
|
1595 | TEMP_CFG_REG: 0x1F,
|
1596 | },
|
1597 | },
|
1598 | initialize: {
|
1599 | value: function(opts) {
|
1600 | var state = priv.get(this);
|
1601 |
|
1602 | state.reading = false;
|
1603 |
|
1604 | this.address = opts.address || this.ADDRESSES[0];
|
1605 |
|
1606 | opts.address = this.address;
|
1607 |
|
1608 | this.io.i2cConfig(opts);
|
1609 |
|
1610 |
|
1611 |
|
1612 |
|
1613 |
|
1614 |
|
1615 |
|
1616 |
|
1617 |
|
1618 |
|
1619 |
|
1620 |
|
1621 |
|
1622 | var ctrl1 = 0x07;
|
1623 |
|
1624 |
|
1625 |
|
1626 |
|
1627 |
|
1628 |
|
1629 |
|
1630 |
|
1631 |
|
1632 |
|
1633 |
|
1634 |
|
1635 |
|
1636 |
|
1637 |
|
1638 | ctrl1 = (ctrl1 & ~(0xF0)) | (0x07 << 4);
|
1639 |
|
1640 |
|
1641 |
|
1642 | this.io.i2cWrite(this.address, this.REGISTER.CTRL_REG1, ctrl1);
|
1643 |
|
1644 |
|
1645 |
|
1646 |
|
1647 |
|
1648 |
|
1649 |
|
1650 |
|
1651 |
|
1652 |
|
1653 |
|
1654 |
|
1655 |
|
1656 |
|
1657 |
|
1658 |
|
1659 |
|
1660 |
|
1661 |
|
1662 |
|
1663 |
|
1664 | this.io.i2cWrite(this.address, this.REGISTER.CTRL_REG4, 0x88);
|
1665 |
|
1666 |
|
1667 |
|
1668 |
|
1669 |
|
1670 |
|
1671 |
|
1672 | this.io.i2cWrite(this.address, this.REGISTER.CTRL_REG3, 0x10);
|
1673 |
|
1674 | Object.assign(this.MODES, this.io.MODES);
|
1675 |
|
1676 | for (var i = 0; i < 4; i++) {
|
1677 | if (i === 0) {
|
1678 | this.pins.push({
|
1679 | supportedModes: [],
|
1680 | mode: 0,
|
1681 | value: 0,
|
1682 | report: 0,
|
1683 | analogChannel: 0x7F
|
1684 | });
|
1685 | } else {
|
1686 | this.pins.push({
|
1687 | supportedModes: [ this.MODES.ANALOG ],
|
1688 | mode: 1,
|
1689 | value: 0,
|
1690 | report: 0,
|
1691 | analogChannel: i
|
1692 | });
|
1693 | this.analogPins.push(i);
|
1694 | }
|
1695 | }
|
1696 |
|
1697 | this.name = "LIS3DH";
|
1698 | this.isReady = true;
|
1699 |
|
1700 | this.emit("connect");
|
1701 | this.emit("ready");
|
1702 | },
|
1703 | },
|
1704 | normalize: {
|
1705 | value: function(pin) {
|
1706 | if (typeof pin === "string" && pin[0] === "A") {
|
1707 | return +pin.slice(1);
|
1708 | }
|
1709 | return pin;
|
1710 | },
|
1711 | },
|
1712 | pinMode: {
|
1713 | value: function(pin, mode) {
|
1714 | this.pins[pin].mode = mode;
|
1715 | },
|
1716 | },
|
1717 | analogRead: {
|
1718 | value: function(pin, callback) {
|
1719 | var state = priv.get(this);
|
1720 | var pinIndex = pin;
|
1721 |
|
1722 | this.pins[pinIndex].report = 1;
|
1723 |
|
1724 | this.on("analog-read-" + pin, callback);
|
1725 |
|
1726 |
|
1727 |
|
1728 | if (!state.reading) {
|
1729 | state.reading = true;
|
1730 |
|
1731 |
|
1732 |
|
1733 |
|
1734 |
|
1735 |
|
1736 |
|
1737 |
|
1738 |
|
1739 | this.io.i2cWrite(this.address, this.REGISTER.TEMP_CFG_REG, 0x80);
|
1740 |
|
1741 |
|
1742 |
|
1743 |
|
1744 | this.io.i2cRead(this.address, this.REGISTER.OUT_ADC1_L | 0x80, 6, function(data) {
|
1745 |
|
1746 |
|
1747 |
|
1748 |
|
1749 |
|
1750 |
|
1751 |
|
1752 |
|
1753 | this.pins[1].value = Fn.scale(Fn.int16(data[1], data[0]), -32512, 32512, 1023, 0);
|
1754 | this.pins[2].value = Fn.scale(Fn.int16(data[3], data[2]), -32512, 32512, 1023, 0);
|
1755 | this.pins[3].value = Fn.scale(Fn.int16(data[5], data[4]), -32512, 32512, 1023, 0);
|
1756 |
|
1757 | for (var i = 1; i < 4; i++) {
|
1758 | if (this.pins[i].report) {
|
1759 | this.emit("analog-read-" + i, this.pins[i].value);
|
1760 | }
|
1761 | }
|
1762 | }.bind(this));
|
1763 | }
|
1764 | },
|
1765 | },
|
1766 | i2cConfig: {
|
1767 | value: function() {
|
1768 | return this.io.i2cConfig.apply(this.io, arguments);
|
1769 | },
|
1770 | },
|
1771 | i2cWrite: {
|
1772 | value: function() {
|
1773 | return this.io.i2cWrite.apply(this.io, arguments);
|
1774 | },
|
1775 | },
|
1776 | i2cWriteReg: {
|
1777 | value: function() {
|
1778 | return this.io.i2cWriteReg.apply(this.io, arguments);
|
1779 | },
|
1780 | },
|
1781 | i2cRead: {
|
1782 | value: function() {
|
1783 | return this.io.i2cRead.apply(this.io, arguments);
|
1784 | },
|
1785 | },
|
1786 | i2cReadOnce: {
|
1787 | value: function() {
|
1788 | return this.io.i2cReadOnce.apply(this.io, arguments);
|
1789 | },
|
1790 | },
|
1791 | },
|
1792 |
|
1793 | ADS1115: {
|
1794 | ADDRESSES: {
|
1795 | value: [0x48, 0x49, 0x4A, 0x4B]
|
1796 | },
|
1797 | REGISTER: {
|
1798 | value: {
|
1799 | CONFIG: 0x01,
|
1800 | READ: 0x00,
|
1801 | PIN: [0xC1, 0xD1, 0xE1, 0xF1],
|
1802 | PIN_DATA: 0x83,
|
1803 | }
|
1804 | },
|
1805 | initialize: {
|
1806 | value: function(opts) {
|
1807 | var state = priv.get(this);
|
1808 |
|
1809 | state.reading = false;
|
1810 |
|
1811 | this.address = opts.address || this.ADDRESSES[0];
|
1812 |
|
1813 | opts.address = this.address;
|
1814 | this.io.i2cConfig(opts);
|
1815 |
|
1816 | Object.assign(this.MODES, this.io.MODES);
|
1817 |
|
1818 | for (var i = 0; i < 4; i++) {
|
1819 | this.pins.push({
|
1820 | supportedModes: [
|
1821 | this.MODES.ANALOG
|
1822 | ],
|
1823 | mode: 1,
|
1824 | value: 0,
|
1825 | report: 0,
|
1826 | analogChannel: i
|
1827 | });
|
1828 | this.analogPins.push(i);
|
1829 | }
|
1830 |
|
1831 | this.name = "ADS1115";
|
1832 | this.isReady = true;
|
1833 |
|
1834 | this.emit("connect");
|
1835 | this.emit("ready");
|
1836 | }
|
1837 | },
|
1838 | normalize: {
|
1839 | value: function(pin) {
|
1840 | if (typeof pin === "string" && pin[0] === "A") {
|
1841 | return +pin.slice(1);
|
1842 | }
|
1843 | return pin;
|
1844 | }
|
1845 | },
|
1846 | pinMode: {
|
1847 | value: function(pin, mode) {
|
1848 | this.pins[pin].mode = mode;
|
1849 | }
|
1850 | },
|
1851 | analogRead: {
|
1852 | value: function(pin, callback) {
|
1853 | var state = priv.get(this);
|
1854 | this.pins[pin].report = 1;
|
1855 |
|
1856 | var ready = false;
|
1857 |
|
1858 | this.on("analog-read-" + pin, callback);
|
1859 |
|
1860 |
|
1861 |
|
1862 | if (!state.reading) {
|
1863 | state.reading = true;
|
1864 |
|
1865 |
|
1866 | var delay = function () {
|
1867 | setTimeout(function () {
|
1868 | ready = true;
|
1869 | }, 8);
|
1870 | };
|
1871 |
|
1872 | this.io.i2cWrite(this.address, this.REGISTER.CONFIG, [this.REGISTER.PIN[pin], this.REGISTER.PIN_DATA]);
|
1873 | delay();
|
1874 |
|
1875 | this.io.i2cRead(this.address, this.REGISTER.READ, 2, function(data) {
|
1876 | if (ready) {
|
1877 | ready = false;
|
1878 |
|
1879 | var newPin = pin === this.pins.length - 1 ? 0 : pin + 1;
|
1880 |
|
1881 | this.io.i2cWrite(this.address, this.REGISTER.CONFIG, [this.REGISTER.PIN[newPin], this.REGISTER.PIN_DATA]);
|
1882 |
|
1883 | var value = (data[0] << 8) + data[1];
|
1884 | this.pins[pin].value = value;
|
1885 |
|
1886 | if (this.pins[pin].report) {
|
1887 | this.emit("analog-read-" + pin, value);
|
1888 | }
|
1889 |
|
1890 | pin = newPin;
|
1891 |
|
1892 | delay();
|
1893 | }
|
1894 | }.bind(this));
|
1895 | }
|
1896 | }
|
1897 | },
|
1898 | }
|
1899 | };
|
1900 |
|
1901 | Controllers["CD74HCT4067"] = Controllers.CD74HC4067;
|
1902 | Controllers["74HC4067"] = Controllers.CD74HC4067;
|
1903 |
|
1904 | Controllers.PCF8574A = Object.assign({}, Controllers.PCF8574, {
|
1905 | ADDRESSES: {
|
1906 | value: [0x38]
|
1907 | }
|
1908 | });
|
1909 |
|
1910 | var methods = Object.keys(Board.prototype);
|
1911 |
|
1912 | Object.keys(Controllers).forEach(function(name) {
|
1913 | methods.forEach(function(key) {
|
1914 | if (Controllers[name][key] === undefined) {
|
1915 | Controllers[name][key] = {
|
1916 | writable: true,
|
1917 | configurable: true,
|
1918 | value: function() {
|
1919 | throw new Error("Expander:" + name + " does not support " + key);
|
1920 | }
|
1921 | };
|
1922 | }
|
1923 | });
|
1924 | });
|
1925 |
|
1926 | var nonAddressable = [
|
1927 | "74HC595"
|
1928 | ];
|
1929 |
|
1930 | function Expander(opts) {
|
1931 | if (!(this instanceof Expander)) {
|
1932 | return new Expander(opts);
|
1933 | }
|
1934 |
|
1935 | Base.call(this);
|
1936 |
|
1937 | var expander = null;
|
1938 | var addressError = "Expander cannot reuse an active address";
|
1939 | var controller = null;
|
1940 | var state = {};
|
1941 | var controllerValue;
|
1942 |
|
1943 | if (typeof opts === "string") {
|
1944 | controllerValue = opts;
|
1945 | }
|
1946 |
|
1947 | Board.Component.call(
|
1948 | this, opts = Board.Options(opts), {
|
1949 | normalizePin: false,
|
1950 | requestPin: false
|
1951 | }
|
1952 | );
|
1953 |
|
1954 | if (nonAddressable.includes(opts.controller) &&
|
1955 | typeof this.address === "undefined") {
|
1956 | this.address = Fn.uid();
|
1957 | }
|
1958 |
|
1959 | expander = active.get(this.address);
|
1960 |
|
1961 | if (expander) {
|
1962 | if (this.bus && (expander.bus !== undefined && expander.bus === this.bus)) {
|
1963 | addressError += " on this bus";
|
1964 | }
|
1965 | throw new Error(addressError);
|
1966 | }
|
1967 |
|
1968 | if (typeof opts.controller === "undefined" && controllerValue) {
|
1969 | opts.controller = controllerValue;
|
1970 | }
|
1971 |
|
1972 | if (opts.controller && typeof opts.controller === "string") {
|
1973 | controller = Controllers[opts.controller.toUpperCase()];
|
1974 | } else {
|
1975 | controller = opts.controller;
|
1976 | }
|
1977 |
|
1978 | if (controller == null) {
|
1979 | throw new Error("Expander expects a valid controller");
|
1980 | }
|
1981 |
|
1982 | Board.Controller.call(this, controller, opts);
|
1983 |
|
1984 | priv.set(this, state);
|
1985 |
|
1986 | if (typeof this.initialize === "function") {
|
1987 | this.initialize(opts);
|
1988 | }
|
1989 |
|
1990 | active.set(this.address, this);
|
1991 | }
|
1992 |
|
1993 | util.inherits(Expander, Base);
|
1994 |
|
1995 |
|
1996 | Expander.get = function(required) {
|
1997 |
|
1998 | if (!required.address || !required.controller) {
|
1999 | throw new Error("Expander.get(...) requires an address and controller");
|
2000 | }
|
2001 |
|
2002 | if (required.address !== undefined) {
|
2003 | required.address = Number(required.address);
|
2004 | }
|
2005 |
|
2006 | if (Number.isNaN(required.address)) {
|
2007 | throw new Error("Expander.get(...) expects address to be a number");
|
2008 | }
|
2009 |
|
2010 | if (typeof required.controller !== "string") {
|
2011 | throw new Error("Expander.get(...) expects controller name to be a string");
|
2012 | }
|
2013 |
|
2014 |
|
2015 |
|
2016 |
|
2017 |
|
2018 |
|
2019 |
|
2020 | var expander = active.get(required.address);
|
2021 |
|
2022 | if (expander && (expander.name === required.controller.toUpperCase())) {
|
2023 | return expander;
|
2024 | }
|
2025 |
|
2026 | return new Expander(required);
|
2027 | };
|
2028 |
|
2029 | Expander.byAddress = function(address) {
|
2030 | return active.get(address);
|
2031 | };
|
2032 |
|
2033 | Expander.byController = function(name) {
|
2034 | var controller = null;
|
2035 |
|
2036 | active.forEach(function(value) {
|
2037 | if (value.name === name.toUpperCase()) {
|
2038 | controller = value;
|
2039 | }
|
2040 | });
|
2041 | return controller;
|
2042 | };
|
2043 |
|
2044 | Expander.hasController = function(key) {
|
2045 | return Controllers[key] !== undefined;
|
2046 | };
|
2047 |
|
2048 |
|
2049 | if (!!process.env.IS_TEST_MODE) {
|
2050 | Expander.Controllers = Controllers;
|
2051 | Expander.purge = function() {
|
2052 | priv.clear();
|
2053 | active.clear();
|
2054 | };
|
2055 | }
|
2056 |
|
2057 | module.exports = Expander;
|