Merge pull request scott-linenberger#3 from jdherder/feature/fire

Fire Display Mode

Author: scott-linenberger

Fire.cpp

@@ -0,0 +1,29 @@
+#include "Fire.h"
+#include <math.h>
+
+Fire::Fire() {}
+
+void Fire::start(Adafruit_NeoPixel * neoPixels) {
+  /* check if timeout has expired */
+  if (millis() - timestamp < timeout) {
+    /* timeout hasn't expired, return */
+    return;
+  }
+
+  setColors(neoPixels);
+
+  /* update the timestamp */
+  timestamp = millis();
+}
+
+void Fire::setColors(Adafruit_NeoPixel * neoPixels) {
+  int min = 0;
+  int max = 150;
+
+  for (uint8_t i = 0; i < neoPixels->numPixels(); i++) {
+    int randomYellowValue = min + (rand() % static_cast<int>(max - min + 1));
+    neoPixels->setPixelColor(i, neoPixels->Color(255, randomYellowValue, 0));
+  }
+
+  neoPixels->show();
+}

Fire.h

@@ -0,0 +1,22 @@
+#ifndef FIRE_H
+#define FIRE_H
+
+#include <Arduino.h>
+#include <Adafruit_NeoPixel.h>
+
+class Fire {
+  /* emergency vars */
+  unsigned long timestamp = 0;
+
+  /* time in ms between light swaps */
+  uint16_t timeout = 100;
+
+ public:
+  Fire();
+  void start(Adafruit_NeoPixel * neoPixels);
+
+ private:
+  void setColors(Adafruit_NeoPixel * neoPixels);
+};
+
+#endif

StatusIndicator.cpp

@@ -55,6 +55,10 @@ void StatusIndicator::run() {
       fader.fade(neoPixels, true, false, false);
       break;
 
+    case STATE_FIRE:
+      fire.start(neoPixels); 
+      break;
+
     case STATE_EMERGENCY:
       emergency.start(neoPixels);
       break;

StatusIndicator.h

@@ -5,6 +5,7 @@
 #include <EEPROM.h>
 #include "PixelFader.h"
 #include "PixelParty.h"
+#include "Fire.h";
 #include "Emergency.h"
 #include "ColorCycle.h"
 
@@ -16,6 +17,7 @@
 #define STATE_RED 5
 #define STATE_GREEN_PULSING 6
 #define STATE_RED_PULSING 7
+#define STATE_FIRE 96
 #define STATE_EMERGENCY 97
 #define STATE_COLORCYCLE 98
 #define STATE_PARTY_TIME 99
@@ -24,6 +26,7 @@ class StatusIndicator {
   Adafruit_NeoPixel *neoPixels;
   PixelFader fader = PixelFader();
   PixelParty pixelParty = PixelParty();
+  Fire fire = Fire();
   Emergency emergency = Emergency();
   ColorCycle colorCycle = ColorCycle();
 

examples/basicUsage/basicUsage.ino

@@ -118,6 +118,10 @@ void handleMessage(AdafruitIO_Data *data) {
       responseMsg = responseMsg + "Do not Disturb";
       break;
 
+    case STATE_FIRE:
+      responseMsg = responseMsg + "Fire!";
+      break;
+
     case STATE_EMERGENCY:
       responseMsg = responseMsg + "Emergency";
       break;