First version with demo mode

fs/animateLights.js

@@ -0,0 +1,155 @@
+load('api_rpc.js');
+load("api_neopixel.js");
+load("api_file.js");
+
+
+let colors = {
+  black: {r:0, g:0, b:0},
+  red: {r:255, g:0, b:0},
+  green: {r:0, g:255, b:0},
+  blue: {r:0, g:0, b:255},
+  yellow: {r:255, g:255, b:0},
+  orange: {r:255, g:127, b:0},
+  purple: {r:255, g:0, b:255},
+  white: {r:255, g:255, b:255},
+  dimmedWhite: {r:50, g:50, b:50}
+};
+
+
+let LightAnimation = {
+  numberOfBulbs: 3,
+  ledPin: 4,
+  running: false,
+  mode: "demo",
+  colorSequence: [
+    colors.dimmedWhite,
+    colors.red,
+    colors.green,
+    colors.blue,
+    colors.yellow,
+    colors.orange,
+    colors.purple,
+    colors.red,
+    colors.red,
+    colors.green,
+    colors.green,
+    colors.white,
+    colors.white
+  ]
+};
+
+// Add RPC handlers
+
+RPC.addHandler('HouseLightning.Start', function(args) {
+  LightAnimation.running = true;
+  return {result: 'ok'};
+}, null);
+
+RPC.addHandler('HouseLightning.Stop', function(args) {
+  LightAnimation.running = false;
+  return {result: 'ok'};
+}, null);
+
+RPC.addHandler('HouseLightning.DemoMode', function(args) {
+  LightAnimation.mode = "demo";
+  LightAnimation.running = true;
+  return {result: 'ok'};
+}, null);
+
+RPC.addHandler('HouseLightning.CycleMode', function(args) {
+  LightAnimation.mode = "cycle";
+  LightAnimation.running = true;
+  return {result: 'ok'};
+}, null);
+
+RPC.addHandler('HouseLightning.GetAnimationConfig', function(args) {
+  return LightAnimation.animationConfig;
+}, null);
+
+RPC.addHandler('HouseLightning.SetAnimationConfig', function(args) {
+  if (args !== undefined && args.config !== undefined) {
+    LightAnimation.animationConfig = JSON.parse(args.config);
+    if (LightAnimation.animationConfig.comment === undefined) {
+      return {error: 'config is incomplete or invalid / comment not found'};
+    }
+    if (LightAnimation.animationConfig.lights === undefined) {
+      return {error: 'config is incomplete or invalid / lights definition not found'};
+    }
+    if (LightAnimation.animationConfig.lights[0] === undefined) {
+      return {error: 'config is incomplete or invalid / lights not an array?'};
+    }
+    let i;
+    for (i=0; i<LightAnimation.animationConfig.lights.length; ++i) {
+      if (LightAnimation.animationConfig.lights[i].level === undefined) {
+        return {error: 'config is incomplete or invalid / level missing in lights definition'};
+      }
+      if (LightAnimation.animationConfig.lights[i].room === undefined) {
+        return {error: 'config is incomplete or invalid / room missing in lights definition'};
+      }
+      if (LightAnimation.animationConfig.lights[i].on === undefined) {
+        return {error: 'config is incomplete or invalid / on missing in lights definition'};
+      }
+      if (LightAnimation.animationConfig.lights[i].on[0] === undefined) {
+        return {error: 'config is incomplete or invalid / on not an array in lights definition?'};
+      }
+      if (LightAnimation.animationConfig.lights[i].on.length !== 3) {
+        return {error: 'config is incomplete or invalid / on must have 3 elements for R/G/B in lights definition?'};
+      }
+      if (LightAnimation.animationConfig.lights[i].id === undefined) {
+        return {error: 'config is incomplete or invalid / id missing in lights definition'};
+      }
+    }
+    return {result: 'ok'};
+  } else {
+    return {error: 'parameter config is required'};
+  }
+}, null);
+
+function runNeopixel(strip, shiftBy) {
+  let i=0, colorIndex=0, color;
+  
+  for (i=0; i<LightAnimation.numberOfBulbs; ++i) {
+    colorIndex = shiftBy % LightAnimation.colorSequence.length;
+    color = LightAnimation.colorSequence[colorIndex];
+    strip.setPixel(i, color.r, color.g, color.b);
+    // print("runNeo shift =", shiftBy, ", colorIndex =", colorIndex, ", r =", color.r, ", g =", color.g, ", b =", color.b);
+    shiftBy++;
+  }
+  strip.show();
+}
+
+// initialize module
+let configString = "";
+configString = File.read("lights.cfg");
+if (configString === "" || configString === null) configString = "***default***";
+// print("configString = ", configString);
+LightAnimation.animationConfig = JSON.parse(configString);
+
+
+// initialize neoPixel
+let colorOrder = NeoPixel.GRB;
+let strip = NeoPixel.create(LightAnimation.ledPin, LightAnimation.numberOfBulbs, colorOrder);
+strip.clear();
+strip.show();
+// initialize test pattern
+let i = 0;
+for (i=0; i<LightAnimation.numberOfBulbs; ++i) {
+  if (i % 2) {
+    strip.setPixel(i, 80, 20, 20);
+  } else {
+    strip.setPixel(i, 20, 80, 20);
+  }
+}
+strip.show();
+
+let shiftAnimation = 1;
+
+Timer.set(1990 /* msec */, true /* repeat */, function() {
+  if (LightAnimation.running) {
+    if (LightAnimation.mode === "demo") {
+      runNeopixel(strip, shiftAnimation);
+      shiftAnimation++;
+      print("*** demo-mode, next shift=", shiftAnimation);
+    } else print("*** no-ack, mode =", LightAnimation.mode);
+  } else print("*** stopped");
+}, null);