438 lines
13 KiB
TypeScript
438 lines
13 KiB
TypeScript
/// <reference path="../node_modules/kindscript/typings/bluebird/bluebird.d.ts"/>
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/// <reference path="../node_modules/kindscript/built/kindsim.d.ts"/>
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namespace ks.rt.micro_bit {
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export function 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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ks.rt.initCurrentRuntime = initCurrentRuntime;
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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 function enums() {
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return runtime.enums as any as Enums
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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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export function panic(code: number) {
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console.log("PANIC:", code)
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throw new Error("PANIC " + code)
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}
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/* basic */
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export function showDigit(v: number) {
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if (!quiet)
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console.log("DIGIT:", v)
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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 showLeds(leds: micro_bit.Image, delay: number): void {
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showAnimation(leds, delay);
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}
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function scrollImage(leds: micro_bit.Image, interval: number, stride: number): void {
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let cb = getResume()
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let off = stride > 0 ? 0 : leds.width - 1;
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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)
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return false;
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let c = Math.min(5, leds.width - off);
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leds.copyTo(off, 5, board().image, 0)
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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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export function showAnimation(leds: micro_bit.Image, interval: number = 400): void {
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scrollImage(leds, interval, 5);
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}
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export function scrollNumber(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) scrollImage(leds, interval, 5);
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else showLeds(leds, interval * 5);
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}
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export function scrollString(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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let leds = createImageFromString(s);
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if (s.length == 1) showLeds(leds, interval * 5)
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else scrollImage(leds, interval, 1);
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}
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}
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export function forever(a: RefAction) {
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function loop() {
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runtime.runFiberAsync(a)
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.then(() => Promise.delay(20))
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.then(loop)
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.done()
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}
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incr(a)
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loop()
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}
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export var pause = thread.pause;
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/* leds */
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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 plotLeds(leds: micro_bit.Image): void {
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leds.copyTo(0, 5, board().image, 0)
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runtime.queueDisplayUpdate()
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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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/* control */
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export var runInBackground = thread.runInBackground;
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/* serial */
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export function serialSendString(s: string) {
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board().writeSerial(s);
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}
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export function serialReadString() : string {
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return board().readSerial();
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}
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/* input */
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export function onButtonPressed(button : number, handler: RefAction) : void {
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let ens = enums();
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board().bus.listen(button, ens.MICROBIT_BUTTON_EVT_CLICK, handler);
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}
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export function isButtonPressed(button: number): boolean {
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var ens = enums();
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if (button == ens.MICROBIT_ID_BUTTON_AB && !board().usesButtonAB) {
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board().usesButtonAB = true;
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runtime.queueDisplayUpdate();
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}
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var bts = board().buttons;
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if (button == ens.MICROBIT_ID_BUTTON_A) return bts[0].pressed;
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if (button == ens.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 onPinPressed(pin: Pin, handler: RefAction) {
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pin.isTouched();
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onButtonPressed(pin.id, handler);
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}
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export function ioP0() { return board().pins[0]; }
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export function ioP1() { return board().pins[1]; }
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export function ioP2() { return board().pins[2]; }
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export function ioP3() { return board().pins[3]; }
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export function ioP4() { return board().pins[4]; }
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export function ioP5() { return board().pins[5]; }
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export function ioP6() { return board().pins[6]; }
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export function ioP7() { return board().pins[7]; }
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export function ioP8() { return board().pins[8]; }
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export function ioP9() { return board().pins[9]; }
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export function ioP10() { return board().pins[10]; }
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export function ioP11() { return board().pins[11]; }
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export function ioP12() { return board().pins[12]; }
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export function ioP13() { return board().pins[13]; }
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export function ioP14() { return board().pins[14]; }
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export function ioP15() { return board().pins[15]; }
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export function ioP16() { return board().pins[16]; }
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export function ioP19() { return board().pins[19]; }
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export function ioP20() { return board().pins[20]; }
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export function isPinTouched(pin: Pin): boolean {
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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 getAcceleration(dimension: number): number {
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let b = board();
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if (!b.usesAcceleration) {
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b.usesAcceleration = true;
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runtime.queueDisplayUpdate();
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}
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let acc = b.acceleration;
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switch (dimension) {
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case 0: return acc[0];
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case 1: return acc[1];
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case 2: return acc[2];
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default: return Math.sqrt(acc[0] * acc[0] + acc[1] * acc[1] + acc[2] * acc[2]);
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}
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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 getMagneticForce(): number {
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// TODO
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return 0;
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}
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export function getCurrentTime(): number {
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return runtime.runningTime();
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}
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/* pins */
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export function digitalReadPin(pin : Pin) : number {
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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(pin : Pin, value: number) {
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pin.mode = PinMode.Digital | PinMode.Output;
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pin.value = value > 0 ? 1023 : 0;
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board().updateView();
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}
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export function analogReadPin(pin : Pin) : number {
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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(pin : Pin, value: number) {
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pin.mode = PinMode.Analog | PinMode.Output;
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pin.value = value ? 1 : 0;
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board().updateView();
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}
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export function setAnalogPeriodUs(pin: Pin, micros:number) {
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pin.mode = PinMode.Analog | PinMode.Output;
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}
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export function servoWritePin(pin: Pin, value: number) {
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setAnalogPeriodUs(pin, 20000);
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// TODO
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}
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export function servoSetPulse(pin: Pin, micros:number) {
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}
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module 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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export function enablePitch(pin: Pin) {
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pin.mode = PinMode.Analog | PinMode.Output;
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}
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export function pitch(frequency: number, ms: number) {
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let cb = getResume();
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AudioContextManager.tone(frequency, 1);
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setTimeout(() => {
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if (ms > 0) AudioContextManager.stop();
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cb()
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}, ms);
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}
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/* 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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let ens = enums()
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board().bus.listen(ens.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 datagramSendNumbers(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 datagramReceiveNumber() : number {
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return board().radio.datagram.recv().data[0];
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}
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export function datagramGetNumber(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 datagramGetRSSI() : number {
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return board().radio.datagram.lastReceived.rssi;
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}
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export function onDatagramReceived(handler: RefAction) : void {
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let ens = enums();
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board().bus.listen(ens.MICROBIT_ID_RADIO, ens.MICROBIT_RADIO_EVT_DATAGRAM, handler);
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}
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}
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