upgrading various simulator parts

sim/dalboard.ts

@@ -18,6 +18,9 @@ namespace pxsim {
         speakerState: SpeakerState;
         fileSystem: FileSystemState;
 
+        // visual
+        view: SVGElement;
+
         constructor() {
             super()
 
@@ -94,7 +97,7 @@ namespace pxsim {
                     break;
                 case "serial":
                     let data = (<SimulatorSerialMessage>msg).data || "";
-                    this.serialState.recieveData(data);
+                    this.serialState.receiveData(data);
                     break;
                 case "radiopacket":
                     let packet = <SimulatorRadioPacketMessage>msg;
@@ -121,16 +124,22 @@ namespace pxsim {
                 fnArgs: fnArgs,
                 maxWidth: "100%",
                 maxHeight: "100%",
+                highContrast: msg.highContrast
             };
             const viewHost = new visuals.BoardHost(pxsim.visuals.mkBoardView({
-                visual: boardDef.visual
+                visual: boardDef.visual,
+                highContrast: msg.highContrast
             }), opts);
 
             document.body.innerHTML = ""; // clear children
-            document.body.appendChild(viewHost.getView());
+            document.body.appendChild(this.view = viewHost.getView());
 
             return Promise.resolve();
         }
+
+        screenshot(): string {
+            return svg.toDataUri(new XMLSerializer().serializeToString(this.view));
+        }
     }
 
     export function initRuntimeWithDalBoard() {

sim/state/ledmatrix.ts

@@ -28,7 +28,7 @@ namespace pxsim {
             this.data = data;
         }
         public print() {
-            console.log(`Image id:${this.id} refs:${this.refcnt} size:${this.width}x${Image.height}`)
+            // console.debug(`Image id:${this.id} refs:${this.refcnt} size:${this.width}x${Image.height}`)
         }
         public get(x: number, y: number): number {
             if (x < 0 || x >= this.width || y < 0 || y >= 5) return 0;
@@ -131,15 +131,33 @@ namespace pxsim.images {
 namespace pxsim.ImageMethods {
     export function showImage(leds: Image, offset: number, interval: number) {
         pxtrt.nullCheck(leds)
-        leds.copyTo(offset, 5, board().ledMatrixState.image, 0)
-        runtime.queueDisplayUpdate()
-        basic.pause(interval);
+        let cb = getResume();
+        let first = true;
+
+        board().ledMatrixState.animationQ.enqueue({
+            interval,
+            frame: () => {
+                if (first) {
+                    leds.copyTo(offset, 5, board().ledMatrixState.image, 0)
+                    first = false;
+                    return true;
+                }
+                return false;
+            },
+            whenDone: cb
+        })
     }
 
     export function plotImage(leds: Image, offset: number): void {
         pxtrt.nullCheck(leds)
-        leds.copyTo(offset, 5, board().ledMatrixState.image, 0)
-        runtime.queueDisplayUpdate()
+
+        board().ledMatrixState.animationQ.enqueue({
+            interval: 0,
+            frame: () => {
+                leds.copyTo(offset, 5, board().ledMatrixState.image, 0)
+                return false;
+            }
+        })
     }
 
     export function height(leds: Image): number {
@@ -216,15 +234,16 @@ namespace pxsim.ImageMethods {
 
 namespace pxsim.basic {
     export function showNumber(x: number, interval: number) {
-        if (interval < 0) return;
-
+        if (interval <= 0)
+            interval = 1;
         let leds = createImageFromString(x.toString());
         if (x < 0 || x >= 10) ImageMethods.scrollImage(leds, 1, interval);
         else showLeds(leds, interval * 5);
     }
 
     export function showString(s: string, interval: number) {
-        if (interval < 0) return;
+        if (interval <= 0)
+            interval = 1;
         if (s.length == 0) {
             clearScreen();
             pause(interval * 5);
@@ -254,7 +273,16 @@ namespace pxsim.basic {
 
 namespace pxsim.led {
     export function plot(x: number, y: number) {
-        board().ledMatrixState.image.set(x, y, 255);
+        board().ledMatrixState.image.set(x, y, 0xff);
+        runtime.queueDisplayUpdate()
+    }
+
+    export function plotBrightness(x: number, y: number, brightness: number) {
+        const state = board().ledMatrixState;
+        brightness = Math.max(0, Math.min(0xff, brightness));
+        if (brightness != 0 && brightness != 0xff && state.displayMode != DisplayMode.greyscale)
+                state.displayMode = DisplayMode.greyscale;
+        state.image.set(x, y, brightness);
         runtime.queueDisplayUpdate()
     }
 
@@ -272,7 +300,7 @@ namespace pxsim.led {
     }
 
     export function setBrightness(value: number): void {
-        board().ledMatrixState.brigthness = value;
+        board().ledMatrixState.brigthness = Math.max(0, Math.min(255, value));
         runtime.queueDisplayUpdate()
     }
 
@@ -286,7 +314,7 @@ namespace pxsim.led {
         runtime.queueDisplayUpdate()
     }
 
-    export function displayMode() : DisplayMode {
+    export function displayMode(): DisplayMode {
         return board().ledMatrixState.displayMode;
     }
 

sim/state/serial.ts

@@ -1,8 +1,9 @@
 namespace pxsim {
+    const SERIAL_BUFFER_LENGTH = 16;
     export class SerialState {
         serialIn: string[] = [];
 
-        public recieveData(data: string) {
+        public receiveData(data: string) {
             this.serialIn.push();
         }
 
@@ -13,18 +14,15 @@ namespace pxsim {
 
         serialOutBuffer: string = "";
         writeSerial(s: string) {
-            for (let i = 0; i < s.length; ++i) {
-                let c = s[i];
-                this.serialOutBuffer += c;
-                if (c == "\n") {
-                    Runtime.postMessage(<SimulatorSerialMessage>{
-                        type: "serial",
-                        data: this.serialOutBuffer,
-                        id: runtime.id
-                    })
-                    this.serialOutBuffer = ""
-                    break;
-                }
+            this.serialOutBuffer += s;
+            if (/\n/.test(this.serialOutBuffer) || this.serialOutBuffer.length > SERIAL_BUFFER_LENGTH) {
+                Runtime.postMessage(<SimulatorSerialMessage>{
+                    type: 'serial',
+                    data: this.serialOutBuffer,
+                    id: runtime.id,
+                    sim: true
+                })
+                this.serialOutBuffer = '';
             }
         }
     }
@@ -51,4 +49,8 @@ namespace pxsim.serial {
     export function redirect(tx: number, rx: number, rate: number) {
         // TODO?
     }
+
+    export function redirectToUSB() {
+        // TODO
+    }
 }