merging microbit

sim/dalboard.ts

@@ -16,12 +16,14 @@ namespace pxsim {
         neopixelState: NeoPixelState;
         rgbLedState: number;
         speakerState: SpeakerState;
-        microServoState: MicroServoState;
+        servosState: MicroServosState;
+        fileSystem: FileSystemState;
 
         constructor() {
             super()
 
             // components
+            this.fileSystem = new FileSystemState();
             this.builtinParts["ledmatrix"] = this.ledMatrixState = new LedMatrixState(runtime);
             this.builtinParts["buttonpair"] = this.buttonPairState = new ButtonPairState({
                 ID_BUTTON_A: DAL.MICROBIT_ID_BUTTON_A,
@@ -63,7 +65,12 @@ namespace pxsim {
             this.builtinParts["compass"] = this.compassState = new CompassState();
             this.builtinParts["neopixel"] = this.neopixelState = new NeoPixelState();
             this.builtinParts["speaker"] = this.speakerState = new SpeakerState();
-            this.builtinParts["microservo"] = this.microServoState = new MicroServoState();
+            this.builtinParts["microservo"] = this.servosState = new MicroServosState({
+                "P0": DAL.MICROBIT_ID_IO_P0,
+                "P1": DAL.MICROBIT_ID_IO_P1,
+                "P2": DAL.MICROBIT_ID_IO_P2,
+                "P3": DAL.MICROBIT_ID_IO_P3
+            });
 
             this.builtinVisuals["buttonpair"] = () => new visuals.ButtonPairView();
             this.builtinVisuals["ledmatrix"] = () => new visuals.LedMatrixView();

sim/state/edgeconnector.ts

@@ -72,12 +72,12 @@ namespace pxsim.pins {
     }
 
     export function servoWritePin(pinId: number, value: number) {
+        let pin = getPin(pinId);
+        if (!pin) return;
+
         analogSetPeriod(pinId, 20000);
-        // TODO: per pin state
-        if (board().microServoState.angle != value) {
-            board().microServoState.angle = value;
-            runtime.queueDisplayUpdate();
-        }
+        const state = board().servosState.servoState(pinId);
+        state.setAngle(value);
     }
 
     export function servoSetPulse(pinId: number, micros: number) {

sim/state/filesystem.ts

@@ -0,0 +1,18 @@
+namespace pxsim.files {
+    export function appendLine(filename: string, text: string) {
+        const b = board();
+        b.fileSystem.append(filename, text + "\r\n");
+    }
+    export function appendString(filename: string, text: string) {
+        const b = board();
+        b.fileSystem.append(filename, text);
+    }
+    export function appendNumber(filename: string, value: number) {
+        const b = board();
+        b.fileSystem.append(filename, value.toString());
+    }
+    export function remove(filename: string) {
+        const b = board();
+        b.fileSystem.remove(filename);
+    }
+}