Merge branch 'master' into data-logging-doc

README.md

@@ -1,9 +1,9 @@
 # micro:bit target for PXT
 
-This target allow to program a [BBC micro:bit](https://microbit.org/) using 
+This target allows you to program a [BBC micro:bit](https://microbit.org/) using 
 PXT ([Microsoft Programming Experience Toolkit](https://github.com/Microsoft/pxt)).
 
-* [Try it live](@homeurl@)
+* [Try it live](https://makecode.microbit.org)
 
 [![Build Status](https://travis-ci.org/Microsoft/pxt-microbit.svg?branch=master)](https://travis-ci.org/Microsoft/pxt-microbit)
 
@@ -13,11 +13,11 @@ All issue tracking for this repo happens at https://github.com/Microsoft/pxt, se
 
 ## Local server
 
-The local server allows to run the editor and the documentation from your computer.
+The local server lets you to run the editor and serve the documentation from your own computer.
 
 ### Setup
 
-The following commands are a 1-time setup after synching the repo on your machine.
+The following commands perform a one-time setup after synching the repo on your machine.
 
 * See requirements for [pxt](https://github.com/Microsoft/pxt)
 * [clone this repo](https://help.github.com/articles/cloning-a-repository/) to your computer and go in the project folder
@@ -32,6 +32,7 @@ npm install -g pxt
 * install the dependencies
 ```
 npm install
+
 ```
 
 ### Running
@@ -50,16 +51,16 @@ pxt serve -yt
 
 ## Updates
 
-To update your PXT version and make sure you're running the latest tools, run (add ``sudo`` for Mac/Linux shells)
+To update your PXT version and make sure you're running the latest tools, run (add ``sudo`` for Mac/Linux shells):
 ```
 pxt update
 ```
 
-More instructions at https://github.com/Microsoft/pxt#running-a-target-from-localhost 
+More instructions are at https://github.com/Microsoft/pxt#running-a-target-from-localhost 
 
 ## Testing
 
-The build automatically runs the following:
+The build also automatically runs the following checks:
 
 * make sure the built-in packages compile
 * `pxt run` in `libs/lang-test*` - this will run the test in command line runner; 
@@ -76,7 +77,7 @@ The `lang-test0` source comes from the `pxt-core` package. It's also tested with
 
 ## Repos 
 
-There are a number of repos that pxt-microbit depends on. The main ones are:
+The pxt-microbit target depends on several other repos. The main ones are:
 - https://github.com/Microsoft/pxt, the PXT framework
 - https://github.com/lancaster-university/microbit, basic wrapper around the DAL
 - https://github.com/lancaster-university/microbit-dal
@@ -85,8 +86,10 @@ There are a number of repos that pxt-microbit depends on. The main ones are:
 
 Current serviced versions of pxt-microbit:
 
-| pxt-microbit  | v0.12.*       | release | uses pxt/v0 v.0.12.*
+| Target | Version | Type | PXT |
-| pxt-microbit  | v0.13.*       | accessibility | uses pxt/v0 v.0.13.* (with accessibility)
+|---|---|---|---|
+| pxt-microbit  | v0.13.\* | accessibility | uses pxt/v0 v.0.13.\* (with accessibility) |
+| pxt-microbit  | v0.12.\* | release | uses pxt/v0 v.0.12.\* |
 
 ## Code of Conduct
 

docs/courses.md

@@ -1,10 +1,9 @@
 # Courses
 
-A collection of courses built for the @boardname@.
+A collection of courses and tutorials built for the @boardname@.
 
 ## Courses
 
-
 ```codecard
 [{
   "name": "Intro to CS",
@@ -17,15 +16,20 @@ A collection of courses built for the @boardname@.
   "url":"https://microbit.org/en/2017-03-07-javascript-block-resources/",
   "imageUrl": "https://microbit.org/assets/posts/2017-03-07-rock%20paper%20scissors.png"
 }, {
-  "name": "Kitronik Inventory Kit",
-  "description": "11 experiments based on the Kitronik Inventor Kit",
-  "url": "https://www.kitronik.co.uk/blog/inventors-kit-experiment-1-help",
-  "imageUrl": "https://www.kitronik.co.uk/wp/wp-content/uploads/2016/10/inventors-kit-experiment-1-further-help-870.jpg"
-},{
   "name": "SparkFun Videos",
   "description": "YouTube video tutorials produced by the SparkFun team!",
   "url": "https://youtu.be/kaNtg1HGXbY?list=PLBcrWxTa5CS0mWJrytvii8aG5KUqMXvSk",
   "imageUrl": "https://i.ytimg.com/vi/kaNtg1HGXbY/hqdefault.jpg"
+}, {
+  "name": "Kitronik University",
+  "description": "Kits, projects and tutorials",
+  "url": "https://www.kitronik.co.uk/blog/bbc-microbit-kitronik-university/",
+  "imageUrl": "https://www.kitronik.co.uk/wp/wp-content/uploads/2015/03/2150_KIT01_banner-kitronikuniversity_002_v1.png"
+}, {
+  "name": "Kitronik Inventory Kit",
+  "description": "11 experiments based on the Kitronik Inventor Kit",
+  "url": "https://www.kitronik.co.uk/blog/inventors-kit-experiment-1-help",
+  "imageUrl": "https://www.kitronik.co.uk/wp/wp-content/uploads/2016/10/inventors-kit-experiment-1-further-help-870.jpg"
 },
  {
   "name": "micro:bit of Things",
@@ -37,6 +41,4 @@ A collection of courses built for the @boardname@.
 
 ## See Also
 
-[Intro to CS](/courses/csintro),
+[Intro to CS](/courses/csintro)
-[Start Coding](http://microbit.org/en/2017-03-07-javascript-block-resources/),
-[micro:bit of Things](https://sites.google.com/view/microbitofthings)

docs/courses/csintro.md

@@ -13,13 +13,12 @@ This course takes approximately 14 weeks to complete, spending about 1 week on e
 
 The entire course is also available as a download. Choose any of these formats:
 
-* [**HTML** - The entire course in a single HTML page that you can print to PDF or paper.](/--docs#book:/courses/csintro/SUMMARY)
+|||
-
+|-|-|
-[![](/static/courses/csintro/icons/microsoft-onenote-24x24.png) **OneNote** - Intro to CS with MakeCode for micro:bit](https://1drv.ms/o/s!AqsgsTyHBmRBgQvFaUaeANNHbxpC)
+| [![](/static/courses/csintro/icons/html-24x24.png)](/--docs#book:/courses/csintro/SUMMARY) | [- **HTML** - The entire course in a single HTML page that you can print to PDF or paper](/--docs#book:/courses/csintro/SUMMARY) |
-
+| [![](/static/courses/csintro/icons/microsoft-onenote-24x24.png)](https://1drv.ms/o/s!AqsgsTyHBmRBgQvFaUaeANNHbxpC) | [- **OneNote** - Intro to CS with MakeCode for micro:bit](https://1drv.ms/o/s!AqsgsTyHBmRBgQvFaUaeANNHbxpC) |
-[![](/static/courses/csintro/icons/adobe-pdf-file-icon-24x24.png) **PDF** - Intro to CS with MakeCode for micro:bit](https://1drv.ms/b/s!AqsgsTyHBmRBgQ1Fjzm5y5wKG75M)
+| [![](/static/courses/csintro/icons/adobe-pdf-file-icon-24x24.png)](https://1drv.ms/b/s!AqsgsTyHBmRBgQ1Fjzm5y5wKG75M) | [- **PDF** - Intro to CS with MakeCode for micro:bit](https://1drv.ms/b/s!AqsgsTyHBmRBgQ1Fjzm5y5wKG75M) |
-
+| [![](/static/courses/csintro/icons/apple-itunes-ibook-24x24.png)](https://itunes.apple.com/us/book/making-with-micro-bit/id1255260221?mt=11) | [- **iBooks** - Making with micro:bit](https://itunes.apple.com/us/book/making-with-micro-bit/id1255260221?mt=11) |
-[![](/static/courses/csintro/icons/apple-itunes-ibook-24x24.png) **iBooks** - Making with micro:bit](https://itunes.apple.com/us/book/making-with-micro-bit/id1255260221?mt=11)
 ### ~
 
 ### Lesson structure

docs/courses/csintro/algorithms/overview.md

@@ -1,4 +1,4 @@
-`# Introduction
+# Introduction
 
 What is a micro:bit?
 The micro:bit was created in 2015 in the UK by the BBC to teach computer science to students. The BBC gave away a micro:bit to every Year 7 student in the UK. You can think of a micro:bit as a mini computer.

docs/courses/csintro/references.md

@@ -30,7 +30,7 @@ by **Colleen Graves**
 
 Inspiring Makers to Experiment, Create, and Learn
 
-![Makerspace Projects Book Cover](/static/courses/csintro/references/makerspace-projects.jpg)
+[![Makerspace Projects Book Cover](/static/courses/csintro/references/makerspace-projects.jpg)](https://colleengraves.org/bigmakerbook/)
 
 ## Code and Computational Thinking
 

docs/projects.md

@@ -30,8 +30,7 @@ Fun games to build with your @boardname@.
 }, {
   "name": "Rock Paper Scissors",
   "url":"/projects/rock-paper-scissors",
-  "imageUrl":"/static/mb/projects/a4-motion.png",
+  "imageUrl":"/static/mb/projects/a4-motion.png"
-  "cardType": "tutorial"
 }, {
   "name": "Magic Button Trick",
   "url":"/projects/magic-button-trick",

docs/projects/coin-flipper.md

@@ -1,13 +1,5 @@
 # Coin Flipper
 
-## ~avatar avatar
-
-Are you trying to choose whether to play soccer or go to the movies
-instead, or which toppings to have on your pizza?  Build a coin
-flipping machine with the @boardname@ to choose for you!
-
-## ~
-
 ## Step 1
 
 Place a ``||input:on button pressed||`` block to run code 

docs/projects/soil-moisture/make.md

@@ -2,7 +2,7 @@
 
 https://youtu.be/S8NppVT_paw
 
-* Connect a nail to the ``GND`` pin with a croc clip and insert it in the soil
+* Connect a nail to the ``3V`` pin with a croc clip and insert it in the soil
 * Connect the other nail to the ``P0`` pin with a croc clip and insert it in the soil 
 
 That's it!

docs/reference/input.md

@@ -21,6 +21,7 @@ input.lightLevel();
 input.rotation(Rotation.Pitch);
 input.magneticForce(Dimension.X);
 input.runningTime();
+input.runningTimeMicros();
 input.setAccelerometerRange(AcceleratorRange.OneG);
 ```
 

docs/reference/input/calibrate-compass.md

@@ -8,7 +8,7 @@ input.calibrateCompass();
 
 ## Calibration
 
-The calibration will ask you to draw a circle by tilting the
+The calibration will ask you to draw a circle or fill the LED screen by tilting the
 @boardname@.
 
 If you are calibrating or using the compass near metal, it might

docs/reference/input/running-time-micros.md

@@ -0,0 +1,17 @@
+# Running Time Micros
+
+Find how long it has been since the program started in micro-seconds.
+
+```sig
+input.runningTimeMicros();
+```
+
+## Returns
+
+* the [Number](/types/number) of microseconds since the program started.
+(One second is 1000000 microseconds.)
+
+## See also
+
+[show number](/reference/basic/show-number), [pause](/reference/basic/pause)
+

docs/reference/input/running-time.md

@@ -1,6 +1,6 @@
 # Running Time
 
-Find how long it has been since the program started.
+Find how long it has been since the program started in milli-seconds.
 
 ```sig
 input.runningTime();

editor/extension.ts

@@ -31,89 +31,87 @@ namespace pxt.editor {
 
     class DAPWrapper {
         cortexM: DapJS.CortexM
+        packetIo: HF2.PacketIO;
 
         constructor(h: HF2.PacketIO) {
-            let pbuf = new U.PromiseBuffer<Uint8Array>()
+            this.packetIo = h;
+            let pbuf = new U.PromiseBuffer<Uint8Array>();
 
             let sendMany = (cmds: Uint8Array[]) => {
-                return h.talksAsync(cmds.map(c => ({ cmd: 0, data: c })))
+                return h.talksAsync(cmds.map(c => ({ cmd: 0, data: c })));
             }
 
             if (!h.talksAsync)
-                sendMany = null
+                sendMany = null;
 
             let dev = new DapJS.DAP({
                 write: writeAsync,
-                close: closeAsync,
+                close: this.disconnectAsync,
                 read: readAsync,
                 sendMany: sendMany
-            })
+            });
-            this.cortexM = new DapJS.CortexM(dev)
+            this.cortexM = new DapJS.CortexM(dev);
 
             h.onData = buf => {
-                pbuf.push(buf)
+                pbuf.push(buf);
             }
 
             function writeAsync(data: ArrayBuffer) {
-                h.sendPacketAsync(new Uint8Array(data))
+                h.sendPacketAsync(new Uint8Array(data));
-                return Promise.resolve()
+                return Promise.resolve();
             }
 
             function readAsync() {
-                return pbuf.shiftAsync()
+                return pbuf.shiftAsync();
-            }
-
-            function closeAsync() {
-                return h.disconnectAsync()
             }
         }
 
         reconnectAsync(first: boolean) {
-            return this.cortexM.init()
+            return this.cortexM.init();
+        }
+
+        disconnectAsync() {
+            return this.packetIo.disconnectAsync();
         }
     }
 
+    let previousDapWrapper: DAPWrapper;
     function dapAsync() {
-        return pxt.HF2.mkPacketIOAsync()
+        return Promise.resolve()
+            .then(() => {
+                if (previousDapWrapper) {
+                    return previousDapWrapper.disconnectAsync()
+                        .finally(() => {
+                            previousDapWrapper = null;
+                        });
+                }
+                return Promise.resolve();
+            })
+            .then(() => pxt.HF2.mkPacketIOAsync())
             .then(h => {
                 let w = new DAPWrapper(h)
+                previousDapWrapper = w;
                 return w.reconnectAsync(true)
                     .then(() => w)
             })
     }
 
-    let noHID = false
-
-    let initPromise: Promise<DAPWrapper>
     function initAsync() {
-        if (initPromise)
-            return initPromise
-
         let canHID = false
         if (U.isNodeJS) {
             canHID = true
         } else {
             const forceHexDownload = /forceHexDownload/i.test(window.location.href);
-            if (Cloud.isLocalHost() && Cloud.localToken && !forceHexDownload)
+            const isUwp = !!(window as any).Windows;
+            if (Cloud.isLocalHost() && Cloud.localToken && !forceHexDownload || isUwp)
                 canHID = true
         }
 
-        if (noHID)
-            canHID = false
-
         if (canHID) {
-            initPromise = dapAsync()
+            return dapAsync();
-                .catch(err => {
-                    initPromise = null
-                    noHID = true
-                    return Promise.reject(err)
-                })
         } else {
-            noHID = true
+            return Promise.reject(new Error("no HID"))
-            initPromise = Promise.reject(new Error("no HID"))
         }
-
-        return initPromise
     }
 
     function pageAlignBlocks(blocks: UF2.Block[], pageSize: number) {
@@ -234,13 +232,8 @@ namespace pxt.editor {
         }
 
         startTime = 0
-
-        if (noHID) return saveHexAsync()
-
         let wrap: DAPWrapper
-
         log("init")
-
         let logV = (msg: string) => { }
         //let logV = log
 
@@ -339,11 +332,7 @@ namespace pxt.editor {
                     })
             })
             .catch(e => {
-                // if we failed to initalize, retry
+                return saveHexAsync();
-                if (noHID)
-                    return saveHexAsync()
-                else
-                    return Promise.reject(e)
             })
     }
 
@@ -371,16 +360,16 @@ namespace pxt.editor {
                     }, name: data.meta.name
                 })
             }, {
-                    id: "td",
+                id: "td",
-                    canImport: data => data.meta.cloudId == "microbit.co.uk" && data.meta.editor == "touchdevelop",
+                canImport: data => data.meta.cloudId == "microbit.co.uk" && data.meta.editor == "touchdevelop",
-                    importAsync: (project, data) =>
+                importAsync: (project, data) =>
-                        project.createProjectAsync({
+                    project.createProjectAsync({
-                            filesOverride: { "main.blocks": "", "main.ts": "  " },
+                        filesOverride: { "main.blocks": "", "main.ts": "  " },
-                            name: data.meta.name
+                        name: data.meta.name
-                        })
+                    })
-                            .then(() => project.convertTouchDevelopToTypeScriptAsync(data.source))
+                        .then(() => project.convertTouchDevelopToTypeScriptAsync(data.source))
-                            .then(text => project.overrideTypescriptFile(text))
+                        .then(text => project.overrideTypescriptFile(text))
-                }]
+            }]
         };
         pxt.commands.deployCoreAsync = deployCoreAsync;
         return Promise.resolve<pxt.editor.ExtensionResult>(res);

libs/core/_locales/core-jsdoc-strings.json

@@ -1,4 +1,8 @@
 {
+  "AcceleratorRange.EightG": "The accelerator measures forces up to 8 gravity",
+  "AcceleratorRange.FourG": "The accelerator measures forces up to 4 gravity",
+  "AcceleratorRange.OneG": "The accelerator measures forces up to 1 gravity",
+  "AcceleratorRange.TwoG": "The accelerator measures forces up to 2 gravity",
   "Array": "Add, remove, and replace items in lists.\n\nAdd, remove, and replace items in lists.",
   "Array.filter": "Return the elements of an array that meet the condition specified in a callback function.",
   "Array.filter|param|callbackfn": "A function that accepts up to two arguments. The filter method calls the callbackfn function one time for each element in the array.",
@@ -35,6 +39,57 @@
   "Array.splice|param|start": "The zero-based location in the array from which to start removing elements. eg: 0",
   "Array.unshift": "Add one element to the beginning of an array and return the new length of the array.",
   "Array.unshift|param|value": "to insert at the start of the Array.",
+  "Boolean.toString": "Returns a string representation of an object.",
+  "Buffer.fill": "Fill (a fragment) of the buffer with given value.",
+  "Buffer.getNumber": "Read a number in specified format from the buffer.",
+  "Buffer.length": "Returns the length of a Buffer object.",
+  "Buffer.rotate": "Rotate buffer left in place.",
+  "Buffer.rotate|param|length": "number of elements in buffer. If negative, length is set as the buffer length minus start. eg: -1",
+  "Buffer.rotate|param|offset": "number of bytes to shift; use negative value to shift right",
+  "Buffer.rotate|param|start": "start offset in buffer. Default is 0.",
+  "Buffer.setNumber": "Write a number in specified format in the buffer.",
+  "Buffer.shift": "Shift buffer left in place, with zero padding.",
+  "Buffer.shift|param|length": "number of elements in buffer. If negative, length is set as the buffer length minus start. eg: -1",
+  "Buffer.shift|param|offset": "number of bytes to shift; use negative value to shift right",
+  "Buffer.shift|param|start": "start offset in buffer. Default is 0.",
+  "Buffer.slice": "Return a copy of a fragment of a buffer.",
+  "Buffer.write": "Write contents of `src` at `dstOffset` in current buffer.",
+  "EventCreationMode": "How to create the event.",
+  "EventCreationMode.CreateAndFire": "MicroBitEvent is initialised, and its event handlers are immediately fired (not suitable for use in interrupts!).",
+  "EventCreationMode.CreateOnly": "MicroBitEvent is initialised, and no further processing takes place.",
+  "Gesture.EightG": "Raised when a 8G shock is detected",
+  "Gesture.FreeFall": "Raised when the board is falling!",
+  "Gesture.LogoDown": "Raised when the logo is downward and the screen is vertical",
+  "Gesture.LogoUp": "Raised when the logo is upward and the screen is vertical",
+  "Gesture.ScreenDown": "Raised when the screen is pointing up and the board is horizontal",
+  "Gesture.ScreenUp": "Raised when the screen is pointing down and the board is horizontal",
+  "Gesture.Shake": "Raised when shaken",
+  "Gesture.SixG": "Raised when a 6G shock is detected",
+  "Gesture.ThreeG": "Raised when a 3G shock is detected",
+  "Gesture.TiltLeft": "Raised when the screen is pointing left",
+  "Gesture.TiltRight": "Raised when the screen is pointing right",
+  "Image.clear": "Sets all pixels off.",
+  "Image.height": "Gets the height in rows (always 5)",
+  "Image.pixel": "Get the pixel state at position ``(x,y)``",
+  "Image.pixelBrightness": "Gets the pixel brightness ([0..255]) at a given position",
+  "Image.pixel|param|x": "TODO",
+  "Image.pixel|param|y": "TODO",
+  "Image.plotFrame": "Draws the ``index``-th frame of the image on the screen.",
+  "Image.plotFrame|param|xOffset": "column index to start displaying the image",
+  "Image.plotImage": "Plots the image at a given column to the screen",
+  "Image.scrollImage": "Scrolls an image .",
+  "Image.scrollImage|param|frameOffset": "x offset moved on each animation step, eg: 1, 2, 5",
+  "Image.scrollImage|param|interval": "time between each animation step in milli seconds, eg: 200",
+  "Image.setPixel": "Set a pixel state at position ``(x,y)``",
+  "Image.setPixelBrightness": "Sets a specific pixel brightness at a given position",
+  "Image.setPixel|param|value": "TODO",
+  "Image.setPixel|param|x": "TODO",
+  "Image.setPixel|param|y": "TODO",
+  "Image.showFrame": "Shows a particular frame of the image strip.",
+  "Image.showFrame|param|frame": "TODO",
+  "Image.showImage": "Shows an frame from the image at offset ``x offset``.",
+  "Image.showImage|param|xOffset": "column index to start displaying the image",
+  "Image.width": "Gets the width in columns",
   "Math": "More complex operations with numbers.",
   "Math.abs": "Returns the absolute value of a number (the value without regard to whether it is positive or negative).\nFor example, the absolute value of -5 is the same as the absolute value of 5.",
   "Math.abs|param|x": "A numeric expression for which the absolute value is needed.",
@@ -50,6 +105,7 @@
   "Math.sign|param|x": "The numeric expression to test",
   "Math.sqrt": "Return the square root of a number.",
   "Math.sqrt|param|x": "A numeric expression.",
+  "Number.toString": "Return a string representation of a number.",
   "String": "Combine, split, and search text strings.\n\nCombine, split, and search text strings.",
   "String.charAt": "Return the character at the specified index.",
   "String.charAt|param|index": "The zero-based index of the desired character, eg: 0",
@@ -109,6 +165,58 @@
   "control.waitMicros": "Blocks the current fiber for the given microseconds",
   "control.waitMicros|param|micros": "number of micro-seconds to wait. eg: 4",
   "game": "A single-LED sprite game engine",
+  "game.LedSprite": "A game sprite rendered as a single LED",
+  "game.LedSprite.blink": "Reports the ``blink`` duration of a sprite",
+  "game.LedSprite.brightness": "Reports the ``brightness` of a sprite on the LED screen",
+  "game.LedSprite.change": "Changes a property of the sprite",
+  "game.LedSprite.changeBlinkBy": "Changes the ``blink`` duration by the given amount of millisecons",
+  "game.LedSprite.changeBlinkBy|param|ms": "TODO",
+  "game.LedSprite.changeBrightnessBy": "Changes the ``y`` position by the given amount",
+  "game.LedSprite.changeBrightnessBy|param|value": "the value to change brightness",
+  "game.LedSprite.changeDirectionBy": "Changes the ``direction`` position by the given amount by turning right",
+  "game.LedSprite.changeDirectionBy|param|angle": "TODO",
+  "game.LedSprite.changeXBy": "Changes the ``x`` position by the given amount",
+  "game.LedSprite.changeXBy|param|x": "TODO",
+  "game.LedSprite.changeYBy": "Changes the ``y`` position by the given amount",
+  "game.LedSprite.changeYBy|param|y": "TODO",
+  "game.LedSprite.change|param|property": "the name of the property to change",
+  "game.LedSprite.change|param|value": "amount of change, eg: 1",
+  "game.LedSprite.delete": "Deletes the sprite from the game engine. The sprite will no longer appear on the screen or interact with other sprites.",
+  "game.LedSprite.direction": "Reports the current direction of a sprite",
+  "game.LedSprite.get": "Gets a property of the sprite",
+  "game.LedSprite.get|param|property": "the name of the property to change",
+  "game.LedSprite.goTo": "Go to this position on the screen",
+  "game.LedSprite.goTo|param|x": "TODO",
+  "game.LedSprite.goTo|param|y": "TODO",
+  "game.LedSprite.ifOnEdgeBounce": "If touching the edge of the stage and facing towards it, then turn away.",
+  "game.LedSprite.isTouching": "Reports true if sprite has the same position as specified sprite",
+  "game.LedSprite.isTouchingEdge": "Reports true if sprite is touching an edge",
+  "game.LedSprite.isTouching|param|other": "TODO",
+  "game.LedSprite.move": "Move a certain number of LEDs in the current direction",
+  "game.LedSprite.move|param|leds": "number of leds to move, eg: 1, -1",
+  "game.LedSprite.off": "Turns off the sprite (on by default)",
+  "game.LedSprite.on": "Turns on the sprite (on by default)",
+  "game.LedSprite.set": "Sets a property of the sprite",
+  "game.LedSprite.setBlink": "Sets the blink duration interval in millisecond.",
+  "game.LedSprite.setBlink|param|ms": "TODO",
+  "game.LedSprite.setBrightness": "Set the ``brightness`` of a sprite",
+  "game.LedSprite.setBrightness|param|brightness": "the brightness from 0 (off) to 255 (on), eg: 255.",
+  "game.LedSprite.setDirection": "Set the direction of the current sprite, rounded to the nearest multiple of 45",
+  "game.LedSprite.setDirection|param|degrees": "TODO",
+  "game.LedSprite.setX": "Set the ``x`` position of a sprite",
+  "game.LedSprite.setX|param|x": "TODO",
+  "game.LedSprite.setY": "Set the ``y`` position of a sprite",
+  "game.LedSprite.setY|param|y": "TODO",
+  "game.LedSprite.set|param|property": "the name of the property to change",
+  "game.LedSprite.turn": "Turn the sprite",
+  "game.LedSprite.turnLeft": "Turn to the left (counter-clockwise)",
+  "game.LedSprite.turnLeft|param|degrees": "TODO",
+  "game.LedSprite.turnRight": "Turn to the right (clockwise)",
+  "game.LedSprite.turnRight|param|degrees": "TODO",
+  "game.LedSprite.turn|param|degrees": "angle in degrees to turn, eg: 45, 90, 180, 135",
+  "game.LedSprite.turn|param|direction": "left or right",
+  "game.LedSprite.x": "Reports the ``x`` position of a sprite on the LED screen",
+  "game.LedSprite.y": "Reports the ``y`` position of a sprite on the LED screen",
   "game.addLife": "Adds life points to the current life",
   "game.addLife|param|lives": "TODO",
   "game.addScore": "Adds points to the current score and shows an animation",
@@ -179,6 +287,7 @@
   "input.rotation": "The pitch or roll of the device, rotation along the ``x-axis`` or ``y-axis``, in degrees.",
   "input.rotation|param|kind": "TODO",
   "input.runningTime": "Gets the number of milliseconds elapsed since power on.",
+  "input.runningTimeMicros": "Gets the number of microseconds elapsed since power on.",
   "input.setAccelerometerRange": "Sets the accelerometer sample range in gravities.",
   "input.setAccelerometerRange|param|range": "a value describe the maximum strengh of acceleration measured",
   "input.temperature": "Gets the temperature in Celsius degrees (°C).",
@@ -239,6 +348,7 @@
   "music.setTempo": "Sets the tempo to the specified amount",
   "music.setTempo|param|bpm": "The new tempo in beats per minute, eg: 120",
   "music.tempo": "Returns the tempo in beats per minute. Tempo is the speed (bpm = beats per minute) at which notes play. The larger the tempo value, the faster the notes will play.",
+  "parseInt": "Convert A string to an integer.",
   "pins": "Control currents in Pins for analog/digital signals, servos, i2c, ...",
   "pins.analogPitch": "Emits a Pulse-width modulation (PWM) signal to the current pitch pin. Use `analog set pitch pin` to define the pitch pin.",
   "pins.analogPitch|param|frequency": "frequency to modulate in Hz.",

libs/core/_locales/core-strings.json

@@ -136,6 +136,8 @@
   "IconNames.Triangle|block": "triangle",
   "IconNames.Umbrella|block": "umbrella",
   "IconNames.Yes|block": "yes",
+  "Image.scrollImage|block": "scroll image %sprite|with offset %frameoffset|and interval (ms) %delay",
+  "Image.showImage|block": "show image %sprite|at offset %offset",
   "LedSpriteProperty.Blink|block": "blink",
   "LedSpriteProperty.Brightness|block": "brightness",
   "LedSpriteProperty.Direction|block": "direction",
@@ -244,6 +246,15 @@
   "control.reset|block": "reset",
   "control.waitMicros|block": "wait (µs)%micros",
   "control|block": "control",
+  "game.LedSprite.change|block": "%sprite|change %property|by %value",
+  "game.LedSprite.delete|block": "delete %this",
+  "game.LedSprite.get|block": "%sprite|%property",
+  "game.LedSprite.ifOnEdgeBounce|block": "%sprite|if on edge, bounce",
+  "game.LedSprite.isTouchingEdge|block": "%sprite|touching edge?",
+  "game.LedSprite.isTouching|block": "%sprite|touching %other|?",
+  "game.LedSprite.move|block": "%sprite|move by %leds",
+  "game.LedSprite.set|block": "%sprite|set %property|to %value",
+  "game.LedSprite.turn|block": "%sprite|turn %direction|by (°) %degrees",
   "game.addScore|block": "change score by|%points",
   "game.createSprite|block": "create sprite at|x: %x|y: %y",
   "game.gameOver|block": "game over",
@@ -253,8 +264,11 @@
   "game.setScore|block": "set score %points",
   "game.startCountdown|block": "start countdown|(ms) %duration",
   "game|block": "game",
+  "images.arrowImage|block": "arrow image %i=device_arrow",
+  "images.arrowNumber|block": "%arrow",
   "images.createBigImage|block": "create big image",
   "images.createImage|block": "create image",
+  "images.iconImage|block": "icon image %i",
   "images|block": "images",
   "input.acceleration|block": "acceleration (mg)|%NAME",
   "input.buttonIsPressed|block": "button|%NAME|is pressed",
@@ -268,6 +282,7 @@
   "input.onPinReleased|block": "on pin %NAME|released",
   "input.pinIsPressed|block": "pin %NAME|is pressed",
   "input.rotation|block": "rotation (°)|%NAME",
+  "input.runningTimeMicros|block": "running time (micros)",
   "input.runningTime|block": "running time (ms)",
   "input.setAccelerometerRange|block": "set accelerometer|range %range",
   "input.temperature|block": "temperature (°C)",
@@ -295,6 +310,7 @@
   "music.setTempo|block": "set tempo to (bpm)|%value",
   "music.tempo|block": "tempo (bpm)",
   "music|block": "music",
+  "parseInt|block": "parse to integer %text",
   "pins.analogPitch|block": "analog pitch %frequency|for (ms) %ms",
   "pins.analogReadPin|block": "analog read|pin %name",
   "pins.analogSetPeriod|block": "analog set period|pin %pin|to (µs)%micros",
@@ -333,13 +349,19 @@
   "{id:category}Array": "Array",
   "{id:category}Arrays": "Arrays",
   "{id:category}Basic": "Basic",
+  "{id:category}Boolean": "Boolean",
+  "{id:category}Buffer": "Buffer",
+  "{id:category}Console": "Console",
   "{id:category}Control": "Control",
   "{id:category}Game": "Game",
+  "{id:category}Helpers": "Helpers",
+  "{id:category}Image": "Image",
   "{id:category}Images": "Images",
   "{id:category}Input": "Input",
   "{id:category}Led": "Led",
   "{id:category}Math": "Math",
   "{id:category}Music": "Music",
+  "{id:category}Number": "Number",
   "{id:category}Pins": "Pins",
   "{id:category}Serial": "Serial",
   "{id:category}String": "String",

libs/core/enums.d.ts

@@ -5,7 +5,7 @@ declare namespace basic {
 }
 
 
-    declare enum Button {
+    declare const enum Button {
     A = 1,  // MICROBIT_ID_BUTTON_A
     B = 2,  // MICROBIT_ID_BUTTON_B
     //% block="A+B"
@@ -13,7 +13,7 @@ declare namespace basic {
     }
 
 
-    declare enum Dimension {
+    declare const enum Dimension {
     //% block=x
     X = 0,
     //% block=y
@@ -25,7 +25,7 @@ declare namespace basic {
     }
 
 
-    declare enum Rotation {
+    declare const enum Rotation {
     //% block=pitch
     Pitch = 0,
     //% block=roll
@@ -33,14 +33,14 @@ declare namespace basic {
     }
 
 
-    declare enum TouchPin {
+    declare const enum TouchPin {
     P0 = 7,  // MICROBIT_ID_IO_P0
     P1 = 8,  // MICROBIT_ID_IO_P1
     P2 = 9,  // MICROBIT_ID_IO_P2
     }
 
 
-    declare enum AcceleratorRange {
+    declare const enum AcceleratorRange {
     /**
      * The accelerator measures forces up to 1 gravity
      */
@@ -64,7 +64,7 @@ declare namespace basic {
     }
 
 
-    declare enum Gesture {
+    declare const enum Gesture {
     /**
      * Raised when shaken
      */
@@ -123,7 +123,7 @@ declare namespace basic {
     }
 
 
-    declare enum MesDpadButtonInfo {
+    declare const enum MesDpadButtonInfo {
     //% block="A down"
     ADown = 1,  // MES_DPAD_BUTTON_A_DOWN
     //% block="A up"
@@ -165,7 +165,7 @@ declare namespace input {
      * How to create the event.
      */
 
-    declare enum EventCreationMode {
+    declare const enum EventCreationMode {
     /**
      * MicroBitEvent is initialised, and no further processing takes place.
      */
@@ -177,7 +177,7 @@ declare namespace input {
     }
 
 
-    declare enum EventBusSource {
+    declare const enum EventBusSource {
     //% blockIdentity="control.eventSourceId"
     MICROBIT_ID_BUTTON_A = 1,  // MICROBIT_ID_BUTTON_A
     //% blockIdentity="control.eventSourceId"
@@ -239,7 +239,7 @@ declare namespace input {
     }
 
 
-    declare enum EventBusValue {
+    declare const enum EventBusValue {
     //% blockIdentity="control.eventValueId"
     MICROBIT_EVT_ANY = 0,  // MICROBIT_EVT_ANY
     //% blockIdentity="control.eventValueId"
@@ -367,7 +367,7 @@ declare namespace control {
 }
 
 
-    declare enum DisplayMode {
+    declare const enum DisplayMode {
     //% block="black and white"
     BackAndWhite = 0,  // DISPLAY_MODE_BLACK_AND_WHITE
     //% block="greyscale"
@@ -378,7 +378,7 @@ declare namespace led {
 }
 
 
-    declare enum DigitalPin {
+    declare const enum DigitalPin {
     P0 = 7,  // MICROBIT_ID_IO_P0
     P1 = 8,  // MICROBIT_ID_IO_P1
     P2 = 9,  // MICROBIT_ID_IO_P2
@@ -401,7 +401,7 @@ declare namespace led {
     }
 
 
-    declare enum AnalogPin {
+    declare const enum AnalogPin {
     P0 = 7,  // MICROBIT_ID_IO_P0
     P1 = 8,  // MICROBIT_ID_IO_P1
     P2 = 9,  // MICROBIT_ID_IO_P2
@@ -437,7 +437,7 @@ declare namespace led {
     }
 
 
-    declare enum PulseValue {
+    declare const enum PulseValue {
     //% block=high
     High = 4,  // MICROBIT_PIN_EVT_PULSE_HI
     //% block=low
@@ -445,7 +445,7 @@ declare namespace led {
     }
 
 
-    declare enum PinPullMode {
+    declare const enum PinPullMode {
     //% block="down"
     PullDown = 0,
     //% block="up"
@@ -455,7 +455,7 @@ declare namespace led {
     }
 
 
-    declare enum PinEventType {
+    declare const enum PinEventType {
     //% block="edge"
     Edge = 1,  // MICROBIT_PIN_EVENT_ON_EDGE
     //% block="pulse"
@@ -467,7 +467,7 @@ declare namespace led {
     }
 
 
-    declare enum SerialPin {
+    declare const enum SerialPin {
     P0 = 7,  // MICROBIT_ID_IO_P0
     P1 = 8,  // MICROBIT_ID_IO_P1
     P2 = 9,  // MICROBIT_ID_IO_P2
@@ -480,7 +480,7 @@ declare namespace led {
     }
 
 
-    declare enum BaudRate {
+    declare const enum BaudRate {
     //% block=115200
     BaudRate115200 = 115200,
     //% block=57600
@@ -508,7 +508,7 @@ declare namespace led {
     }
 
 
-    declare enum Delimiters {
+    declare const enum Delimiters {
     //% block="new line"
     NewLine = 1,
     //% block=","
@@ -526,7 +526,7 @@ declare namespace serial {
 }
 
 
-    declare enum NumberFormat {
+    declare const enum NumberFormat {
     Int8LE = 1,
     UInt8LE = 2,
     Int16LE = 3,

libs/core/game.ts

@@ -35,6 +35,7 @@ namespace game {
     let _img: Image;
     let _sprites: LedSprite[];
     let _paused: boolean = false;
+    let _backgroundAnimation = false; // indicates if an auxiliary animation (and fiber) is already running
 
     /**
      * Creates a new LED sprite pointing to the right.
@@ -68,7 +69,8 @@ namespace game {
     //% parts="ledmatrix"
     export function addScore(points: number): void {
         setScore(_score + points);
-        if (!_paused)
+        if (!_paused && !_backgroundAnimation) {
+            _backgroundAnimation = true;
             control.inBackground(() => {
                 led.stopAnimation();
                 basic.showAnimation(`0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 0 0 0 1 0 0 0 0 0
@@ -76,7 +78,9 @@ namespace game {
     0 0 1 0 0 0 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
     0 0 0 0 0 0 0 1 0 0 0 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0
     0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 0 0 0 1 0 0 0 0 0`, 20);
+                _backgroundAnimation = false;
             });
+        }
     }
 
     /**
@@ -116,7 +120,6 @@ namespace game {
             unplugEvents();
             led.stopAnimation();
             led.setBrightness(255);
-            led.setDisplayMode(DisplayMode.BackAndWhite);
             while (true) {
                 for (let i = 0; i < 8; i++) {
                     basic.clearScreen();
@@ -318,6 +321,10 @@ namespace game {
         });
     }
 
+    /**
+     * A game sprite rendered as a single LED
+     */
+    //%
     export class LedSprite {
         private _x: number;
         private _y: number;
@@ -731,22 +738,22 @@ namespace game {
     }
 
     function init(): void {
-        if (_img == null) {
+        if (_img) return;
-            _img = images.createImage(
+        const img = images.createImage(
-                `0 0 0 0 0
+`0 0 0 0 0
 0 0 0 0 0
 0 0 0 0 0
 0 0 0 0 0
 0 0 0 0 0`);
-            _sprites = (<LedSprite[]>[]);
+        _sprites = (<LedSprite[]>[]);
-            basic.forever(() => {
+        basic.forever(() => {
-                basic.pause(30);
+            basic.pause(30);
-                plot();
+            plot();
-                if (game.isGameOver()) {
+            if (game.isGameOver()) {
-                    basic.pause(600);
+                basic.pause(600);
-                }
+            }
-            });
+        });
-        }
+        _img = img;
     }
 
     /**
@@ -754,19 +761,23 @@ namespace game {
      */
     //% parts="ledmatrix"
     function plot(): void {
-        if (game.isGameOver() || game.isPaused() || !_img) {
+        if (game.isGameOver() || game.isPaused() || !_img || _backgroundAnimation) {
             return;
         }
         // ensure greyscale mode
-        if (led.displayMode() != DisplayMode.Greyscale)
+        const dm = led.displayMode();
+        if (dm != DisplayMode.Greyscale)            
             led.setDisplayMode(DisplayMode.Greyscale);
         // render sprites
-        let now = input.runningTime();
+        const now = input.runningTime();
         _img.clear();
         for (let i = 0; i < _sprites.length; i++) {
             _sprites[i]._plot(now);
         }
         _img.plotImage(0);
+        // restore previous display mode
+        if (dm != DisplayMode.Greyscale)
+            led.setDisplayMode(dm);
     }
 
     /**

libs/core/icons.ts

@@ -274,6 +274,9 @@ namespace images {
     //% weight=50 blockGap=8
     //% help=images/icon-image
     //% blockId=builtin_image block="icon image %i"
+    //% i.fieldEditor="gridpicker"
+    //% i.fieldOptions.width="400" i.fieldOptions.columns="5"
+    //% i.fieldOptions.itemColour="black" i.fieldOptions.tooltips="true"
     export function iconImage(i: IconNames): Image {
         switch (i) {
             case IconNames.Heart: return images.createImage(`

libs/core/input.cpp

@@ -339,13 +339,23 @@ namespace input {
     /**
      * Gets the number of milliseconds elapsed since power on.
      */
-    //% help=input/running-time weight=50
+    //% help=input/running-time weight=50 blockGap=8
     //% blockId=device_get_running_time block="running time (ms)"
     //% advanced=true
     int runningTime() {
         return system_timer_current_time();
     }
 
+    /**
+     * Gets the number of microseconds elapsed since power on.
+     */
+    //% help=input/running-time-micros weight=49
+    //% blockId=device_get_running_time_micros block="running time (micros)"
+    //% advanced=true
+    int runningTimeMicros() {
+        return system_timer_current_time_us();
+    }
+
     /**
      * Obsolete, compass calibration is automatic.
      */

libs/core/pins.cpp

@@ -429,6 +429,12 @@ namespace pins {
     */
     //% help=pins/spi-pins weight=2 advanced=true
     //% blockId=spi_pins block="spi set pins|MOSI %mosi|MISO %miso|SCK %sck"
+    //% mosi.fieldEditor="gridpicker" mosi.fieldOptions.columns=4
+    //% mosi.fieldOptions.tooltips="false" mosi.fieldOptions.width="300"
+    //% miso.fieldEditor="gridpicker" miso.fieldOptions.columns=4
+    //% miso.fieldOptions.tooltips="false" miso.fieldOptions.width="300"
+    //% sck.fieldEditor="gridpicker" sck.fieldOptions.columns=4
+    //% sck.fieldOptions.tooltips="false" sck.fieldOptions.width="300"
     void spiPins(DigitalPin mosi, DigitalPin miso, DigitalPin sck) {
         if (NULL != spi) {
             delete spi;

libs/core/pxt.cpp

@@ -394,10 +394,7 @@ namespace pxt {
 
     uint32_t RefCollection::removeAt(int i)
     {
-      if (isRef())
+      // no decr() - we return the result
-      {
-        decr(head.get(i));
-      }
       return head.remove(i);
     }
 
@@ -464,7 +461,8 @@ namespace pxt {
     {
       int idx = indexOf(x, 0);
       if (idx >= 0) {
-        removeAt(idx);
+        uint32_t elt = removeAt(idx);
+        if (isRef()) decr(elt);
         return 1;
       }
       return 0;

libs/core/pxt.h

@@ -160,6 +160,7 @@ namespace pxt {
     inline void unref()
     {
       //printf("DECR "); this->print();
+      check(refcnt > 0, ERR_REF_DELETED);
       refcnt -= 2;
       if (refcnt == 0) {
         destroy();

libs/core/serial.cpp

@@ -148,6 +148,10 @@ namespace serial {
     //% help=serial/redirect-to
     //% blockId=serial_redirect block="serial|redirect to|TX %tx|RX %rx|at baud rate %rate"
     //% blockExternalInputs=1
+    //% tx.fieldEditor="gridpicker" tx.fieldOptions.columns=3
+    //% tx.fieldOptions.tooltips="false"
+    //% rx.fieldEditor="gridpicker" rx.fieldOptions.columns=3
+    //% rx.fieldOptions.tooltips="false"
     void redirect(SerialPin tx, SerialPin rx, BaudRate rate) {
       MicroBitPin* txp = getPin(tx); if (!tx) return;
       MicroBitPin* rxp = getPin(rx); if (!rx) return;

libs/core/shims.d.ts

@@ -332,11 +332,19 @@ declare namespace input {
     /**
      * Gets the number of milliseconds elapsed since power on.
      */
-    //% help=input/running-time weight=50
+    //% help=input/running-time weight=50 blockGap=8
     //% blockId=device_get_running_time block="running time (ms)"
     //% advanced=true shim=input::runningTime
     function runningTime(): number;
 
+    /**
+     * Gets the number of microseconds elapsed since power on.
+     */
+    //% help=input/running-time-micros weight=49
+    //% blockId=device_get_running_time_micros block="running time (micros)"
+    //% advanced=true shim=input::runningTimeMicros
+    function runningTimeMicros(): number;
+
     /**
      * Obsolete, compass calibration is automatic.
      */
@@ -747,7 +755,13 @@ declare namespace pins {
      *
      */
     //% help=pins/spi-pins weight=2 advanced=true
-    //% blockId=spi_pins block="spi set pins|MOSI %mosi|MISO %miso|SCK %sck" shim=pins::spiPins
+    //% blockId=spi_pins block="spi set pins|MOSI %mosi|MISO %miso|SCK %sck"
+    //% mosi.fieldEditor="gridpicker" mosi.fieldOptions.columns=4
+    //% mosi.fieldOptions.tooltips="false" mosi.fieldOptions.width="300"
+    //% miso.fieldEditor="gridpicker" miso.fieldOptions.columns=4
+    //% miso.fieldOptions.tooltips="false" miso.fieldOptions.width="300"
+    //% sck.fieldEditor="gridpicker" sck.fieldOptions.columns=4
+    //% sck.fieldOptions.tooltips="false" sck.fieldOptions.width="300" shim=pins::spiPins
     function spiPins(mosi: DigitalPin, miso: DigitalPin, sck: DigitalPin): void;
 }
 
@@ -813,7 +827,11 @@ declare namespace serial {
     //% weight=10
     //% help=serial/redirect-to
     //% blockId=serial_redirect block="serial|redirect to|TX %tx|RX %rx|at baud rate %rate"
-    //% blockExternalInputs=1 shim=serial::redirect
+    //% blockExternalInputs=1
+    //% tx.fieldEditor="gridpicker" tx.fieldOptions.columns=3
+    //% tx.fieldOptions.tooltips="false"
+    //% rx.fieldEditor="gridpicker" rx.fieldOptions.columns=3
+    //% rx.fieldOptions.tooltips="false" shim=serial::redirect
     function redirect(tx: SerialPin, rx: SerialPin, rate: BaudRate): void;
 }
 

libs/devices/enums.d.ts

@@ -1,7 +1,7 @@
 // Auto-generated. Do not edit.
 
 
-    declare enum MesCameraEvent {
+    declare const enum MesCameraEvent {
     //% block="take photo"
     TakePhoto = 3,  // MES_CAMERA_EVT_TAKE_PHOTO
     //% block="start video capture"
@@ -21,7 +21,7 @@
     }
 
 
-    declare enum MesAlertEvent {
+    declare const enum MesAlertEvent {
     //% block="display toast"
     DisplayToast = 1,  // MES_ALERT_EVT_DISPLAY_TOAST
     //% block="vibrate"
@@ -47,7 +47,7 @@
     }
 
 
-    declare enum MesDeviceInfo {
+    declare const enum MesDeviceInfo {
     //% block="incoming call"
     IncomingCall = 7,  // MES_DEVICE_INCOMING_CALL
     //% block="incoming message"
@@ -65,7 +65,7 @@
     }
 
 
-    declare enum MesRemoteControlEvent {
+    declare const enum MesRemoteControlEvent {
     //% block="play"
     play = 1,  // MES_REMOTE_CONTROL_EVT_PLAY
     //% block="pause"

libs/radio/_locales/radio-jsdoc-strings.json

@@ -1,5 +1,10 @@
 {
   "radio": "Communicate data using radio packets",
+  "radio.Packet.receivedNumber": "The number payload if a number was sent in this packet (via ``sendNumber()`` or ``sendValue()``)\nor 0 if this packet did not contain a number.",
+  "radio.Packet.receivedString": "The string payload if a string was sent in this packet (via ``sendString()`` or ``sendValue()``)\nor the empty string if this packet did not contain a string.",
+  "radio.Packet.serial": "The serial number of the sender of the packet or 0 if the sender did not sent their serial number.",
+  "radio.Packet.signal": "The received signal strength indicator (RSSI) of the packet.",
+  "radio.Packet.time": "The system time of the sender of the packet at the time the packet was sent.",
   "radio.onDataPacketReceived": "Registers code to run when the radio receives a packet. Also takes the\nreceived packet from the radio queue.",
   "radio.onDataReceived": "Registers code to run when a packet is received over radio.",
   "radio.receiveNumber": "Reads the next packet from the radio queue and returns the packet's number\npayload or 0 if the packet did not contain a number.",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "pxt-microbit",
-  "version": "0.13.22",
+  "version": "0.13.30",
   "description": "micro:bit target for Microsoft MakeCode (PXT)",
   "keywords": [
     "JavaScript",
@@ -38,6 +38,6 @@
     "semantic-ui-less": "^2.2.4"
   },
   "dependencies": {
-    "pxt-core": "0.13.30"
+    "pxt-core": "0.14.5"
   }
 }

pxtarget.json

@@ -70,6 +70,14 @@
                     "device_print_message.message": "text"
                 }
             }
+        ],
+        "hidSelectors": [
+            {
+                "usagePage": "0xFF00",
+                "usageId": "0x0001",
+                "vid": "0x0d28",
+                "pid": "0x0204"
+            }
         ]
     },
     "runtime": {

pxtwapp/.gitignore

@@ -0,0 +1,295 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+**/Properties/launchSettings.json
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Typescript v1 declaration files
+typings/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# CodeRush
+.cr/
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs

pxtwapp/pxtwapp.sln

@@ -0,0 +1,48 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.26430.15
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{262852C6-CD72-467D-83FE-5EEB1973A190}") = "pxtwapp", "pxtwapp\pxtwapp.jsproj", "{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Debug|ARM = Debug|ARM
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|Any CPU = Release|Any CPU
+		Release|ARM = Release|ARM
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Debug|ARM.ActiveCfg = Debug|ARM
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Debug|ARM.Build.0 = Debug|ARM
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Debug|ARM.Deploy.0 = Debug|ARM
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Debug|x64.ActiveCfg = Debug|x64
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Debug|x64.Build.0 = Debug|x64
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Debug|x64.Deploy.0 = Debug|x64
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Debug|x86.ActiveCfg = Debug|x86
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Debug|x86.Build.0 = Debug|x86
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Debug|x86.Deploy.0 = Debug|x86
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Release|Any CPU.Build.0 = Release|Any CPU
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Release|Any CPU.Deploy.0 = Release|Any CPU
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Release|ARM.ActiveCfg = Release|ARM
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Release|ARM.Build.0 = Release|ARM
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Release|ARM.Deploy.0 = Release|ARM
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Release|x64.ActiveCfg = Release|x64
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Release|x64.Build.0 = Release|x64
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Release|x64.Deploy.0 = Release|x64
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Release|x86.ActiveCfg = Release|x86
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Release|x86.Build.0 = Release|x86
+		{34E8CDE2-3991-414E-BB19-BFF4BD5E031A}.Release|x86.Deploy.0 = Release|x86
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

pxtwapp/pxtwapp/msapp-error.css

@@ -0,0 +1,40 @@
+body {
+    margin: 10px;
+    background-color: #4C4B4D;
+    color: #FFFFFF;
+    font-family: 'Open Sans', 'Helvetica Neue', Arial, Helvetica, sans-serif;
+}
+
+.paramName {
+    font-size: 10px;
+    font-weight: bold;
+}
+
+.paramValue {
+    font-size: 10px;
+    padding-left: 10px;
+}
+
+.param {
+    margin-bottom: 8px;
+}
+
+#retryButton {
+    box-shadow: 0px 0em 0px 0px rgba(34, 36, 38, 0.15) inset;
+    outline: none;
+    border: none;
+    vertical-align: baseline;
+    padding: 0.78571429em 1.5em 0.78571429em;
+    text-transform: none;
+    font-weight: bold;
+    font-style: normal;
+    text-align: center;
+    text-decoration: none;
+    border-radius: 0.28571429rem;
+    background-color: #FB48C7;
+    margin: 15px 10px 100px 10px;
+    width: 80px;
+    height: 35px;
+    font-size: 15px;
+    color: #FFFFFF;
+}

pxtwapp/pxtwapp/msapp-error.html

@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>Oops!</title>
+    <link href="msapp-error.css" rel="stylesheet" type="text/css" />
+    <script src="msapp-error.js" type="text/javascript"></script>
+</head>
+<body>
+    <h1>Oops! Please connect to the Internet.</h1>
+    <button id="retryButton">Retry</button>
+    <div id="failureUrl" class="param">
+        <span class="paramName">URL:</span>
+        <span id="failureUrlValue" class="paramValue"></span>
+    </div>
+    <div id="httpStatus" class="param">
+        <span class="paramName">HTTP status:</span>
+        <span id="httpStatusValue" class="paramValue"></span>
+    </div>
+    <div id="failureName">
+        <span class="paramName">Failure name:</span>
+        <span id="failureNameValue" class="paramValue"></span>
+    </div>
+</body>
+</html>

pxtwapp/pxtwapp/msapp-error.js

@@ -0,0 +1,47 @@
+(function () {
+    var validParameterNames = ["httpStatus", "failureName", "failureUrl"];
+
+    function parseQueryParameters() {
+        var query = location.search.slice(1);
+        return query.split("&").reduce(function (queryParameters, rawPair) {
+            var pair = rawPair.split("=").map(decodeURIComponent);
+            queryParameters[pair[0]] = pair[1];
+            return queryParameters;
+        }, {});
+    }
+
+    function initialize() {
+        var queryParameters = parseQueryParameters();
+        var url = queryParameters["failureUrl"];
+        var retryButton = document.getElementById("retryButton");
+
+        if (url) {
+            retryButton.addEventListener("click", (e) => {
+                window.location.href = url;
+            });
+        } else {
+            retryButton.style.display = none;
+        }
+
+        validParameterNames.forEach(function (parameterName) {
+            var parameterValue = queryParameters[parameterName];
+
+            if (parameterValue) {
+                document.getElementById(parameterName + "Value").textContent = parameterValue;
+            } else {
+                document.getElementById(parameterName).remove();
+            }
+        });
+    }
+
+    function updateOnlineStatus(e) {
+        var queryParameters = parseQueryParameters();
+        var url = queryParameters["failureUrl"];
+        if (url) {
+            window.location.href = url;
+        }
+    }
+
+    window.addEventListener("online", updateOnlineStatus);
+    document.addEventListener("DOMContentLoaded", initialize);
+}());

pxtwapp/pxtwapp/package.appxmanifest

@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Package xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10" xmlns:mp="http://schemas.microsoft.com/appx/2014/phone/manifest" xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10" xmlns:uap3="http://schemas.microsoft.com/appx/manifest/uap/windows10/3" IgnorableNamespaces="uap uap3 mp">
+  <Identity Name="microsoft.makecode.microbit" Version="1.0.1.0" Publisher="CN=microbit" />
+  <mp:PhoneIdentity PhoneProductId="34e8cde2-3991-414e-bb19-bff4bd5e031a" PhonePublisherId="00000000-0000-0000-0000-000000000000" />
+  <Properties>
+    <DisplayName>Microsoft MakeCode for micro:bit</DisplayName>
+    <PublisherDisplayName>micro:bit</PublisherDisplayName>
+    <Logo>images\storelogo.png</Logo>
+  </Properties>
+  <Dependencies>
+    <TargetDeviceFamily Name="Windows.Universal" MinVersion="10.0.0.0" MaxVersionTested="10.0.0.0" />
+  </Dependencies>
+  <Resources>
+    <Resource Language="x-generate" />
+  </Resources>
+  <Applications>
+    <Application Id="App" StartPage="http://localhost:3232/index.html#nolocalhost=1">
+      <uap:ApplicationContentUriRules>
+        <uap:Rule Match="http://localhost:3232/*" Type="include" WindowsRuntimeAccess="all" />
+        <uap:Rule Match="https://makecode.microbit.org/" Type="include" WindowsRuntimeAccess="all" />
+        <uap:Rule Match="https://trg-microbit.userpxt.io/---simulator" Type="include" WindowsRuntimeAccess="none" />
+        <uap:Rule Match="https://makecode.microbit.com/beta" Type="include" WindowsRuntimeAccess="all" />
+        <uap:Rule Match="https://trg-microbit.userpxt.io/beta---simulator" Type="include" WindowsRuntimeAccess="none" />
+      </uap:ApplicationContentUriRules>
+      <uap:VisualElements DisplayName="Microsoft MakeCode for micro:bit" Description="Microsoft MakeCode for micro:bit" BackgroundColor="#BA0018" Square150x150Logo="images\Square150x150Logo.png" Square44x44Logo="images\Square44x44Logo.png">
+        <uap:DefaultTile Wide310x150Logo="images\Wide310x150Logo.png" Square71x71Logo="images\SmallTile.png">
+        </uap:DefaultTile>
+        <uap:SplashScreen Image="images\SplashScreen.png" BackgroundColor="#BA0018" />
+      </uap:VisualElements>
+      <Extensions>
+        <uap:Extension Category="windows.fileTypeAssociation">
+          <uap:FileTypeAssociation Name="makecode">
+            <uap:DisplayName>Microsoft MakeCode binary file</uap:DisplayName>
+            <uap:SupportedFileTypes>
+              <uap:FileType ContentType="application/x-makecode-hex">.hex</uap:FileType>
+            </uap:SupportedFileTypes>
+          </uap:FileTypeAssociation>
+        </uap:Extension>
+        <uap3:Extension Category="windows.appUriHandler">
+          <uap3:AppUriHandler>
+            <uap3:Host Name="makecode.microbit.org" />
+          </uap3:AppUriHandler>
+        </uap3:Extension>
+      </Extensions>
+    </Application>
+  </Applications>
+  <Capabilities>
+    <Capability Name="internetClient" />
+    <DeviceCapability Name="serialcommunication">
+      <Device Id="any">
+        <Function Type="name:serialPort" />
+      </Device>
+    </DeviceCapability>
+    <DeviceCapability Name="humaninterfacedevice">
+      <Device Id="vidpid:0d28 0204">
+        <Function Type="usage:FF00 *" />
+      </Device>
+    </DeviceCapability>
+  </Capabilities>
+</Package>

pxtwapp/pxtwapp/pxtwapp.jsproj

@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|AnyCPU">
+      <Configuration>Debug</Configuration>
+      <Platform>AnyCPU</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|ARM">
+      <Configuration>Debug</Configuration>
+      <Platform>ARM</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x86">
+      <Configuration>Debug</Configuration>
+      <Platform>x86</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|AnyCPU">
+      <Configuration>Release</Configuration>
+      <Platform>AnyCPU</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|ARM">
+      <Configuration>Release</Configuration>
+      <Platform>ARM</Platform>
+      <UseDotNetNativeToolchain>true</UseDotNetNativeToolchain>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+      <UseDotNetNativeToolchain>true</UseDotNetNativeToolchain>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x86">
+      <Configuration>Release</Configuration>
+      <Platform>x86</Platform>
+      <UseDotNetNativeToolchain>true</UseDotNetNativeToolchain>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>34e8cde2-3991-414e-bb19-bff4bd5e031a</ProjectGuid>
+  </PropertyGroup>
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '' or '$(VisualStudioVersion)' &lt; '14.0'">
+    <VisualStudioVersion>14.0</VisualStudioVersion>
+  </PropertyGroup>
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\$(WMSJSProjectDirectory)\Microsoft.VisualStudio.$(WMSJSProject).Default.props" />
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\$(WMSJSProjectDirectory)\Microsoft.VisualStudio.$(WMSJSProject).props" />
+  <PropertyGroup>
+    <TargetPlatformIdentifier>UAP</TargetPlatformIdentifier>
+    <TargetPlatformVersion>10.0.15063.0</TargetPlatformVersion>
+    <TargetPlatformMinVersion>10.0.10240.0</TargetPlatformMinVersion>
+    <MinimumVisualStudioVersion>$(VersionNumberMajor).$(VersionNumberMinor)</MinimumVisualStudioVersion>
+    <DefaultLanguage>en-US</DefaultLanguage>
+    <PackageCertificateKeyFile>pxtwapp_TemporaryKey.pfx</PackageCertificateKeyFile>
+  </PropertyGroup>
+  <ItemGroup>
+    <AppxManifest Include="package.appxmanifest">
+      <SubType>Designer</SubType>
+    </AppxManifest>
+    <Content Include="images\logo.png" />
+    <Content Include="images\SmallTile.scale-200.png" />
+    <Content Include="images\Square44x44Logo.altform-unplated_targetsize-48.png" />
+    <Content Include="images\Square44x44Logo.targetsize-48.png" />
+    <Content Include="images\storelogo.scale-200.png" />
+    <Content Include="msapp-error.js" />
+    <Content Include="msapp-error.css" />
+    <Content Include="msapp-error.html" />
+    <Content Include="images\SplashScreen.scale-200.png" />
+    <Content Include="images\Square150x150Logo.scale-200.png" />
+    <Content Include="images\Square44x44Logo.scale-200.png" />
+    <Content Include="images\Wide310x150Logo.scale-200.png" />
+    <None Include="pxtwapp_TemporaryKey.pfx" />
+  </ItemGroup>
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\$(WMSJSProjectDirectory)\Microsoft.VisualStudio.$(WMSJSProject).targets" />
+  <!-- To modify your build process, add your task inside one of the targets below then uncomment
+       that target and the DisableFastUpToDateCheck PropertyGroup. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  <PropertyGroup>
+    <DisableFastUpToDateCheck>true</DisableFastUpToDateCheck>
+  </PropertyGroup>
+  -->
+</Project>

sim/state/misc.ts

@@ -86,6 +86,10 @@ namespace pxsim.input {
         return runtime.runningTime();
     }
 
+    export function runningTimeMicros(): number {
+        return runtime.runningTimeUs();
+    }
+
     export function calibrateCompass() {
         // device calibrates...
     }
@@ -189,13 +193,13 @@ namespace pxsim.bluetooth {
     export function startUartService(): void {
         // TODO
     }
-    export function uartWrite(s: string): void {
+    export function uartWriteString(s: string): void {
         serial.writeString(s)
     }
     export function uartReadUntil(del: string): string {
         return serial.readUntil(del);
     }
-    export function onDataReceived(delimiters: string, handler: RefAction) {
+    export function onUartDataReceived(delimiters: string, handler: RefAction) {
         let b = board();
         b.bus.listen(DAL.MICROBIT_ID_BLE_UART, DAL.MICROBIT_UART_S_EVT_DELIM_MATCH, handler);
     }

targetconfig.json

@@ -21,9 +21,11 @@
         ]
     },
     "languages": [
-        "de",
         "en",
+        "de",
         "fr",
+        "ko",
+        "it",
         "ja",
         "nl",
         "no",