commit 2994070e89bfe5f49428ba174d8ca03030876784
Author: starcalc <starcalc@ctdo.de>
Date:   Tue Oct 31 22:37:09 2017 +0100

    Initial commit

diff --git a/esp-deckenlicht.ino b/esp-deckenlicht.ino
new file mode 100644
index 0000000..6517c42
--- /dev/null
+++ b/esp-deckenlicht.ino
@@ -0,0 +1,181 @@
+#include <Homie.h>
+#include <ArduinoOTA.h>
+
+#define PIN_LIGHT    D5
+#define PIN_LIGHT1   D6
+#define PIN_LIGHT2   D7
+#define PIN_LIGHT3   D8
+
+#define FULL 255
+#define LOWER 50
+#define MINIMUM 1
+#define OFF 0
+int timeout = 50;
+
+#define FW_NAME "esp-deckenlicht"
+#define FW_VERSION "1.0.0"
+int w0;
+int w1;
+int w2;
+int w3;
+int step = 0;
+bool disco = false;
+int lastEvent = 0;
+
+HomieNode lightNode("strip", "strip");
+
+bool speedHandler(const HomieRange& range, const String& value) {
+  Homie.getLogger() << "speed " << ": " << value << endl;
+  timeout = value.toInt();
+  lightNode.setProperty("speed").send(value);
+  return true;
+}
+
+bool discoHandler(const HomieRange& range, const String& value) {
+  Homie.getLogger() << "disco " << ": " << value << endl;
+  lightNode.setProperty("disco").send(value);
+  if (value.toInt() == 0)
+  {
+    disco = false;
+  } else
+  {
+    step = 0;
+    disco = true;
+  }
+  return true;
+}
+
+bool lightHandler(const HomieRange& range, const String& value) {
+  Homie.getLogger() << "light " << ": " << value << endl;
+  disco = false;
+  w0 = value.toInt();
+  w1 = value.toInt();
+  w2 = value.toInt();
+  w3 = value.toInt();
+  lightNode.setProperty("light").send(value);
+  output();
+  return true;
+}
+
+bool light0Handler(const HomieRange& range, const String& value) {
+  Homie.getLogger() << "light0 " << ": " << value << endl;
+  w0 = value.toInt();
+  disco = false;
+  lightNode.setProperty("light0").send(value);
+  output();
+  return true;
+}
+
+bool light1Handler(const HomieRange& range, const String& value) {
+  Homie.getLogger() << "light1 " << ": " << value << endl;
+  w1 = value.toInt();
+  disco = false;
+  lightNode.setProperty("light1").send(value);
+  output();
+  return true;
+}
+
+bool light2Handler(const HomieRange& range, const String& value) {
+  Homie.getLogger() << "light2 " << ": " << value << endl;
+  w2 = value.toInt();
+  disco = false;
+  lightNode.setProperty("light2").send(value);
+  output();
+  return true;
+}
+
+bool light3Handler(const HomieRange& range, const String& value) {
+  Homie.getLogger() << "light3 " << ": " << value << endl;
+  w3 = value.toInt();
+  disco = false;
+  lightNode.setProperty("light3").send(value);
+  output();
+  return true;
+}
+
+void output() {
+  // * 4 to scale the input up for ESP Arduino default 10 bit PWM
+   analogWrite(PIN_LIGHT, w0 * 4);
+   analogWrite(PIN_LIGHT1, w1 * 4);
+   analogWrite(PIN_LIGHT2, w2 * 4);
+   analogWrite(PIN_LIGHT3, w3 * 4);
+}
+
+void loopHandler()
+{
+  if (disco)
+  {
+    if (millis() - lastEvent >= timeout || lastEvent == 0) {
+      lastEvent = millis();
+      if (step >= 4) {
+        step = 0;
+      }
+      // Cycle each light from 255 to 50 to 1 to off
+      switch (step)
+      {
+        case 0:
+          w0 = FULL;
+          w1 = OFF;
+          w2 = MINIMUM;
+          w3 = LOWER;
+          break;
+        case 1:
+          w1 = FULL;
+          w2 = OFF;
+          w3 = MINIMUM;
+          w0 = LOWER;
+          break;
+        case 2:
+          w2 = FULL;
+          w3 = OFF;
+          w0 = MINIMUM;
+          w1 = LOWER;
+          break;
+        case 3:
+          w3 = FULL;
+          w0 = OFF;
+          w1 = MINIMUM;
+          w2 = LOWER;
+          break;
+        default:
+          w0 = w1 = w2 = w3 = 0;
+          break;
+      }
+      output();
+      step++;
+    }
+  }
+}
+
+void setup() {
+  Serial.begin(115200);
+  Serial << endl << endl;
+
+  pinMode(PIN_LIGHT, OUTPUT);
+  pinMode(PIN_LIGHT1, OUTPUT);
+  pinMode(PIN_LIGHT2, OUTPUT);
+  pinMode(PIN_LIGHT3, OUTPUT);
+
+  Homie_setFirmware(FW_NAME, FW_VERSION);
+  Homie_setBrand(FW_NAME);
+  Homie.setLoopFunction(loopHandler);
+
+  lightNode.advertise("speed").settable(speedHandler);
+  lightNode.advertise("disco").settable(discoHandler);
+  lightNode.advertise("light").settable(lightHandler);
+  lightNode.advertise("light0").settable(light0Handler);
+  lightNode.advertise("light1").settable(light1Handler);
+  lightNode.advertise("light2").settable(light2Handler);
+  lightNode.advertise("light3").settable(light3Handler);
+
+  Homie.setup();
+
+  ArduinoOTA.setHostname(Homie.getConfiguration().deviceId);
+  ArduinoOTA.begin();
+}
+
+void loop() {
+  Homie.loop();
+  ArduinoOTA.handle();
+}
+