634 lines
18 KiB
TypeScript
634 lines
18 KiB
TypeScript
/// <reference path="../node_modules/pxt-core/typings/bluebird/bluebird.d.ts"/>
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/// <reference path="../node_modules/pxt-core/built/pxtsim.d.ts"/>
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/// <reference path="../libs/microbit/dal.d.ts"/>
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namespace pxsim {
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pxsim.initCurrentRuntime = () => {
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U.assert(!runtime.board)
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runtime.board = new Board()
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}
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export function board() {
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return runtime.board as Board
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}
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export interface AnimationOptions {
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interval: number;
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// false means last frame
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frame: () => boolean;
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whenDone?: (cancelled: boolean) => void;
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}
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export class AnimationQueue {
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private queue: AnimationOptions[] = [];
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private process: () => void;
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constructor(private runtime: Runtime) {
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this.process = () => {
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let top = this.queue[0]
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if (!top) return
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if (this.runtime.dead) return
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runtime = this.runtime
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let res = top.frame()
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runtime.queueDisplayUpdate()
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runtime.maybeUpdateDisplay()
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if (res === false) {
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this.queue.shift();
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// if there is already something in the queue, start processing
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if (this.queue[0])
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setTimeout(this.process, this.queue[0].interval)
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// this may push additional stuff
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top.whenDone(false);
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} else {
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setTimeout(this.process, top.interval)
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}
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}
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}
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public cancelAll() {
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let q = this.queue
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this.queue = []
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for (let a of q) {
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a.whenDone(true)
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}
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}
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public cancelCurrent() {
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let top = this.queue[0]
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if (top) {
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this.queue.shift();
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top.whenDone(true);
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}
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}
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public enqueue(anim: AnimationOptions) {
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if (!anim.whenDone) anim.whenDone = () => { };
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this.queue.push(anim)
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// we start processing when the queue goes from 0 to 1
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if (this.queue.length == 1)
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this.process()
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}
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public executeAsync(anim: AnimationOptions) {
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U.assert(!anim.whenDone)
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return new Promise<boolean>((resolve, reject) => {
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anim.whenDone = resolve
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this.enqueue(anim)
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})
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}
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}
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/**
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* Error codes used in the micro:bit runtime.
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*/
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export enum PanicCode {
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// PANIC Codes. These are not return codes, but are terminal conditions.
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// These induce a panic operation, where all code stops executing, and a panic state is
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// entered where the panic code is diplayed.
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// Out out memory error. Heap storage was requested, but is not available.
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MICROBIT_OOM = 20,
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// Corruption detected in the micro:bit heap space
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MICROBIT_HEAP_ERROR = 30,
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// Dereference of a NULL pointer through the ManagedType class,
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MICROBIT_NULL_DEREFERENCE = 40,
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};
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export function panic(code: number) {
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console.log("PANIC:", code)
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led.setBrightness(255);
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let img = board().image;
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img.clear();
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img.set(0, 4, 255);
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img.set(1, 3, 255);
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img.set(2, 3, 255);
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img.set(3, 3, 255);
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img.set(4, 4, 255);
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img.set(0, 0, 255);
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img.set(1, 0, 255);
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img.set(0, 1, 255);
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img.set(1, 1, 255);
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img.set(3, 0, 255);
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img.set(4, 0, 255);
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img.set(3, 1, 255);
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img.set(4, 1, 255);
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runtime.updateDisplay();
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throw new Error("PANIC " + code)
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}
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export function getPin(id: number) {
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return board().pins.filter(p => p && p.id == id)[0] || null
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}
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export namespace AudioContextManager {
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var _context: any; // AudioContext
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var _vco: any; //OscillatorNode;
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var _vca: any; // GainNode;
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function context(): any {
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if (!_context) _context = freshContext();
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return _context;
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}
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function freshContext(): any {
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(<any>window).AudioContext = (<any>window).AudioContext || (<any>window).webkitAudioContext;
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if ((<any>window).AudioContext) {
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try {
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// this call my crash.
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// SyntaxError: audio resources unavailable for AudioContext construction
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return new (<any>window).AudioContext();
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} catch (e) { }
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}
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return undefined;
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}
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export function stop() {
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if (_vca) _vca.gain.value = 0;
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}
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export function tone(frequency: number, gain: number) {
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if (frequency <= 0) return;
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var ctx = context();
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if (!ctx) return;
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gain = Math.max(0, Math.min(1, gain));
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if (!_vco) {
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try {
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_vco = ctx.createOscillator();
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_vca = ctx.createGain();
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_vco.connect(_vca);
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_vca.connect(ctx.destination);
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_vca.gain.value = gain;
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_vco.start(0);
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} catch (e) {
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_vco = undefined;
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_vca = undefined;
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return;
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}
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}
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_vco.frequency.value = frequency;
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_vca.gain.value = gain;
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}
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}
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}
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namespace pxsim.basic {
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export var pause = thread.pause;
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export var forever = thread.forever;
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export function showNumber(x: number, interval: number) {
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if (interval < 0) return;
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let leds = createImageFromString(x.toString());
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if (x < 0 || x >= 10) ImageMethods.scrollImage(leds, interval, 1);
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else showLeds(leds, interval * 5);
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}
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export function showString(s: string, interval: number) {
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if (interval < 0) return;
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if (s.length == 0) {
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clearScreen();
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pause(interval * 5);
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} else {
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if (s.length == 1) showLeds(createImageFromString(s), interval * 5)
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else ImageMethods.scrollImage(createImageFromString(s + ' '), interval, 1);
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}
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}
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export function showLeds(leds: Image, delay: number): void {
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showAnimation(leds, delay);
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}
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export function clearScreen() {
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board().image.clear();
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runtime.queueDisplayUpdate()
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}
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export function showAnimation(leds: Image, interval: number = 400): void {
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ImageMethods.scrollImage(leds, interval, 5);
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}
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export function plotLeds(leds: Image): void {
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ImageMethods.plotImage(leds, 0);
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}
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}
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namespace pxsim.control {
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export var inBackground = thread.runInBackground;
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export function reset() {
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U.userError("reset not implemented in simulator yet")
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}
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export function onEvent(id: number, evid: number, handler: RefAction) {
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pxt.registerWithDal(id, evid, handler)
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}
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export function raiseEvent(id: number, evid: number, mode: number) {
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// TODO mode?
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board().bus.queue(id, evid)
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}
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}
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namespace pxsim.pxt {
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export function registerWithDal(id: number, evid: number, handler: RefAction) {
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board().bus.listen(id, evid, handler);
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}
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}
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namespace pxsim.input {
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export function onButtonPressed(button: number, handler: RefAction): void {
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let b = board();
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if (button == DAL.MICROBIT_ID_BUTTON_AB && !board().usesButtonAB) {
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b.usesButtonAB = true;
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runtime.queueDisplayUpdate();
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}
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pxt.registerWithDal(button, DAL.MICROBIT_BUTTON_EVT_CLICK, handler);
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}
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export function buttonIsPressed(button: number): boolean {
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let b = board();
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if (button == DAL.MICROBIT_ID_BUTTON_AB && !board().usesButtonAB) {
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b.usesButtonAB = true;
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runtime.queueDisplayUpdate();
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}
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let bts = b.buttons;
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if (button == DAL.MICROBIT_ID_BUTTON_A) return bts[0].pressed;
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if (button == DAL.MICROBIT_ID_BUTTON_B) return bts[1].pressed;
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return bts[2].pressed || (bts[0].pressed && bts[1].pressed);
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}
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export function onGesture(gesture: number, handler: RefAction) {
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let b = board();
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b.accelerometer.activate();
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if (gesture == 11 && !b.useShake) { // SAKE
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b.useShake = true;
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runtime.queueDisplayUpdate();
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}
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pxt.registerWithDal(DAL.MICROBIT_ID_GESTURE, gesture, handler);
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}
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export function onPinPressed(pinId: number, handler: RefAction) {
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let pin = getPin(pinId);
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if (!pin) return;
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pin.isTouched();
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input.onButtonPressed(pin.id, handler);
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}
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export function pinIsPressed(pinId: number): boolean {
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let pin = getPin(pinId);
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if (!pin) return false;
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return pin.isTouched();
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}
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export function compassHeading(): number {
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var b = board();
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if (!b.usesHeading) {
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b.usesHeading = true;
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runtime.queueDisplayUpdate();
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}
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return b.heading;
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}
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export function temperature(): number {
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var b = board();
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if (!b.usesTemperature) {
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b.usesTemperature = true;
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runtime.queueDisplayUpdate();
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}
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return b.temperature;
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}
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export function acceleration(dimension: number): number {
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let b = board();
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let acc = b.accelerometer;
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acc.activate();
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switch (dimension) {
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case 0: return acc.getX();
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case 1: return acc.getY();
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case 2: return acc.getZ();
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default: return Math.floor(Math.sqrt(acc.instantaneousAccelerationSquared()));
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}
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}
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export function rotation(kind: number): number {
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let b = board();
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let acc = b.accelerometer;
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acc.activate();
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let x = acc.getX(MicroBitCoordinateSystem.NORTH_EAST_DOWN);
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let y = acc.getX(MicroBitCoordinateSystem.NORTH_EAST_DOWN);
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let z = acc.getX(MicroBitCoordinateSystem.NORTH_EAST_DOWN);
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let roll = Math.atan2(y, z);
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let pitch = Math.atan(-x / (y * Math.sin(roll) + z * Math.cos(roll)));
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let r = 0;
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switch (kind) {
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case 0: r = pitch; break;
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case 1: r = roll; break;
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}
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return Math.floor(r / Math.PI * 180);
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}
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export function setAccelerometerRange(range: number) {
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let b = board();
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b.accelerometer.setSampleRange(range);
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}
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export function lightLevel(): number {
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let b = board();
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if (!b.usesLightLevel) {
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b.usesLightLevel = true;
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runtime.queueDisplayUpdate();
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}
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return b.lightLevel;
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}
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export function magneticForce(): number {
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// TODO
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return 0;
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}
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export function runningTime(): number {
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return runtime.runningTime();
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}
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export function calibrate() {
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}
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}
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namespace pxsim.led {
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export function plot(x: number, y: number) {
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board().image.set(x, y, 255);
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runtime.queueDisplayUpdate()
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}
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export function unplot(x: number, y: number) {
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board().image.set(x, y, 0);
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runtime.queueDisplayUpdate()
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}
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export function point(x: number, y: number): boolean {
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return !!board().image.get(x, y);
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}
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export function brightness(): number {
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return board().brigthness;
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}
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export function setBrightness(value: number): void {
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board().brigthness = value;
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runtime.queueDisplayUpdate()
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}
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export function stopAnimation(): void {
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board().animationQ.cancelAll();
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}
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export function setDisplayMode(mode: DisplayMode): void {
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board().displayMode = mode;
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runtime.queueDisplayUpdate()
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}
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export function screenshot(): Image {
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let img = createImage(5)
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board().image.copyTo(0, 5, img, 0);
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return img;
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}
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}
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namespace pxsim.serial {
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export function writeString(s: string) {
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board().writeSerial(s);
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}
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export function readString(): string {
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return board().readSerial();
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}
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}
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namespace pxsim.radio {
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export function broadcastMessage(msg: number): void {
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board().radio.broadcast(msg);
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}
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export function onBroadcastMessageReceived(msg: number, handler: RefAction): void {
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pxt.registerWithDal(DAL.MES_BROADCAST_GENERAL_ID, msg, handler);
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}
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export function setGroup(id: number): void {
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board().radio.setGroup(id);
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}
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export function setTransmitPower(power: number): void {
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board().radio.setTransmitPower(power);
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}
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export function sendNumbers(value0: number, value1: number, value2: number, value3: number): void {
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board().radio.datagram.send([value0, value1, value2, value3]);
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}
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export function receiveNumber(): number {
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return board().radio.datagram.recv().data[0];
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}
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export function receivedNumberAt(index: number): number {
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return board().radio.datagram.lastReceived.data[index] || 0;
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}
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export function receivedSignalStrength(): number {
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return board().radio.datagram.lastReceived.rssi;
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}
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export function onDataReceived(handler: RefAction): void {
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pxt.registerWithDal(DAL.MICROBIT_ID_RADIO, DAL.MICROBIT_RADIO_EVT_DATAGRAM, handler);
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}
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}
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namespace pxsim.pins {
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export function digitalReadPin(pinId: number): number {
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let pin = getPin(pinId);
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if (!pin) return;
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pin.mode = PinMode.Digital | PinMode.Input;
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return pin.value > 100 ? 1 : 0;
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}
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export function digitalWritePin(pinId: number, value: number) {
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let pin = getPin(pinId);
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if (!pin) return;
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pin.mode = PinMode.Digital | PinMode.Output;
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pin.value = value > 0 ? 1023 : 0;
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runtime.queueDisplayUpdate();
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}
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export function analogReadPin(pinId: number): number {
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let pin = getPin(pinId);
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if (!pin) return;
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pin.mode = PinMode.Analog | PinMode.Input;
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return pin.value || 0;
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}
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export function analogWritePin(pinId: number, value: number) {
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let pin = getPin(pinId);
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if (!pin) return;
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pin.mode = PinMode.Analog | PinMode.Output;
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pin.value = value ? 1 : 0;
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runtime.queueDisplayUpdate();
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}
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export function analogSetPeriod(pinId: number, micros: number) {
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let pin = getPin(pinId);
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if (!pin) return;
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pin.mode = PinMode.Analog | PinMode.Output;
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pin.period = micros;
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runtime.queueDisplayUpdate();
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}
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export function servoWritePin(pinId: number, value: number) {
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analogSetPeriod(pinId, 20000);
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// TODO
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}
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export function servoSetPulse(pinId: number, micros: number) {
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let pin = getPin(pinId);
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if (!pin) return;
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// TODO
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}
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export function analogSetPitchPin(pinId: number) {
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let pin = getPin(pinId);
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if (!pin) return;
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board().pins.filter(p => !!p).forEach(p => p.pitch = false);
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pin.pitch = true;
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}
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export function analogPitch(frequency: number, ms: number) {
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// update analog output
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let pin = board().pins.filter(pin => !!pin && pin.pitch)[0] || board().pins[0];
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pin.mode = PinMode.Analog | PinMode.Output;
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if (frequency <= 0) {
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pin.value = 0;
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pin.period = 0;
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} else {
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pin.value = 512;
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pin.period = 1000000 / frequency;
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}
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runtime.queueDisplayUpdate();
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let cb = getResume();
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AudioContextManager.tone(frequency, 1);
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if (ms <= 0) cb();
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else {
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setTimeout(() => {
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AudioContextManager.stop();
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pin.value = 0;
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pin.period = 0;
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pin.mode = PinMode.Unused;
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runtime.queueDisplayUpdate();
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cb()
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}, ms);
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}
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}
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}
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namespace pxsim.images {
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export function createImage(img: Image) { return img }
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export function createBigImage(img: Image) { return img }
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}
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namespace pxsim.ImageMethods {
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export function showImage(leds: Image, offset: number) {
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if (!leds) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
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leds.copyTo(offset, 5, board().image, 0)
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runtime.queueDisplayUpdate()
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}
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export function plotImage(leds: Image, offset: number): void {
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if (!leds) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
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leds.copyTo(offset, 5, board().image, 0)
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runtime.queueDisplayUpdate()
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}
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export function height(leds: Image) : number {
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if (!leds) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
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return Image.height;
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}
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export function width(leds: Image) : number {
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if (!leds) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
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return leds.width;
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}
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export function plotFrame(leds: Image, frame: number) {
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ImageMethods.plotImage(leds, frame * Image.height);
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}
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export function showFrame(leds: Image, frame: number) {
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ImageMethods.showImage(leds, frame * Image.height);
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}
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export function pixel(leds: Image, x: number, y: number) : number {
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if (!leds) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
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return leds.get(x,y);
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}
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export function setPixel(leds: Image, x: number, y: number, v:number) {
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if (!leds) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
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leds.set(x,y,v);
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}
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export function clear(leds: Image) {
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if (!leds) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
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leds.clear();
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}
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export function setPixelBrightness(i: Image, x: number, y: number, b: number) {
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if (!i) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
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i.set(x, y, b);
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}
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export function pixelBrightness(i: Image, x: number, y: number): number {
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if (!i) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
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return i.get(x, y);
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}
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export function scrollImage(leds: Image, interval: number, stride: number): void {
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if (!leds) panic(PanicCode.MICROBIT_NULL_DEREFERENCE);
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let cb = getResume()
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let off = stride > 0 ? 0 : leds.width - 1;
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let display = board().image;
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board().animationQ.enqueue({
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interval: interval,
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frame: () => {
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if (off >= leds.width || off < 0) return false;
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stride > 0 ? display.shiftLeft(stride) : display.shiftRight(-stride);
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let c = Math.min(stride, leds.width - off);
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leds.copyTo(off, c, display, 5 - stride)
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off += stride;
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return true;
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},
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whenDone: cb
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})
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}
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}
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