init

include/README

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+
+This directory is intended for project header files.
+
+A header file is a file containing C declarations and macro definitions
+to be shared between several project source files. You request the use of a
+header file in your project source file (C, C++, etc) located in `src` folder
+by including it, with the C preprocessing directive `#include'.
+
+```src/main.c
+
+#include "header.h"
+
+int main (void)
+{
+ ...
+}
+```
+
+Including a header file produces the same results as copying the header file
+into each source file that needs it. Such copying would be time-consuming
+and error-prone. With a header file, the related declarations appear
+in only one place. If they need to be changed, they can be changed in one
+place, and programs that include the header file will automatically use the
+new version when next recompiled. The header file eliminates the labor of
+finding and changing all the copies as well as the risk that a failure to
+find one copy will result in inconsistencies within a program.
+
+In C, the usual convention is to give header files names that end with `.h'.
+It is most portable to use only letters, digits, dashes, and underscores in
+header file names, and at most one dot.
+
+Read more about using header files in official GCC documentation:
+
+* Include Syntax
+* Include Operation
+* Once-Only Headers
+* Computed Includes
+
+https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html

lib/README

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+
+This directory is intended for project specific (private) libraries.
+PlatformIO will compile them to static libraries and link into executable file.
+
+The source code of each library should be placed in a an own separate directory
+("lib/your_library_name/[here are source files]").
+
+For example, see a structure of the following two libraries `Foo` and `Bar`:
+
+|--lib
+|  |
+|  |--Bar
+|  |  |--docs
+|  |  |--examples
+|  |  |--src
+|  |     |- Bar.c
+|  |     |- Bar.h
+|  |  |- library.json (optional, custom build options, etc) https://docs.platformio.org/page/librarymanager/config.html
+|  |
+|  |--Foo
+|  |  |- Foo.c
+|  |  |- Foo.h
+|  |
+|  |- README --> THIS FILE
+|
+|- platformio.ini
+|--src
+   |- main.c
+
+and a contents of `src/main.c`:
+```
+#include <Foo.h>
+#include <Bar.h>
+
+int main (void)
+{
+  ...
+}
+
+```
+
+PlatformIO Library Dependency Finder will find automatically dependent
+libraries scanning project source files.
+
+More information about PlatformIO Library Dependency Finder
+- https://docs.platformio.org/page/librarymanager/ldf.html

platformio.ini

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+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[env:esp32dev]
+platform = espressif32
+board = esp32dev
+framework = arduino
+monitor_speed = 115200
+lib_deps = 
+	vintlabs/FauxmoESP@^3.4
+	aircoookie/Espalexa@^2.7.0

src/credentials.sample.h

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+#define WIFI_SSID "..."
+#define WIFI_PASSWORD "..."
+#define WIFI_DEVICE_NAME "..."

src/main.cpp

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+#include <Arduino.h>
+#include <WiFi.h>
+#include <Espalexa.h>
+
+#include <credentials.h>
+
+// prototypes
+boolean connectWifi();
+
+//callback functions
+void workingLightChanged(EspalexaDevice* dev);
+void monitorLightChanged(EspalexaDevice* dev);
+void cabinetLightChanged(EspalexaDevice* dev);
+
+boolean wifiConnected = false;
+
+Espalexa espalexa;
+
+int redPin1 = 18;
+int greenPin1 = 17;
+int bluePin1 = 16;
+
+int redPin2 = 22;
+int greenPin2 = 21;
+int bluePin2 = 23;
+
+int redPin3 = 25;
+int greenPin3 = 26;
+int bluePin3 = 32;
+
+const int freq = 5000;
+
+const int redChannel1 = 0;
+const int greenChannel1 = 1;
+const int blueChannel1 = 2;
+
+const int redChannel2 = 3;
+const int greenChannel2 = 4;
+const int blueChannel2 = 5;
+
+const int redChannel3 = 6;
+const int greenChannel3 = 7;
+const int blueChannel3 = 8;
+
+const int resolution = 8;
+
+// connect to wifi – returns true if successful or false if not
+boolean connectWifi(){
+  boolean state = true;
+  int i = 0;
+  
+  WiFi.mode(WIFI_STA);
+  WiFi.setHostname(WIFI_DEVICE_NAME);
+  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
+  Serial.println("");
+  Serial.println("Connecting to WiFi");
+
+  // Wait for connection
+  Serial.print("Connecting...");
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+    if (i > 20){
+      state = false; break;
+    }
+    i++;
+  }
+  Serial.println("");
+  if (state){
+    Serial.print("Connected to ");
+    Serial.println(WIFI_SSID);
+    Serial.print("IP address: ");
+    Serial.println(WiFi.localIP());
+  }
+  else {
+    Serial.println("Connection failed.");
+  }
+  return state;
+}
+
+//our callback functions
+void workingLightChanged(EspalexaDevice* d) {
+  if (d == nullptr) return;
+
+  if (d->getValue() == 0) {
+    ledcWrite(redChannel3, 0);
+    ledcWrite(greenChannel3, 0);
+    ledcWrite(blueChannel3, 0);
+  } else {
+    ledcWrite(redChannel3, d->getR());
+    ledcWrite(greenChannel3, d->getG());
+    ledcWrite(blueChannel3, d->getB());
+  }
+
+  Serial.print("D changed to ");
+  Serial.print(d->getValue());
+  Serial.print(", color R");
+  Serial.print(d->getR());
+  Serial.print(", G");
+  Serial.print(d->getG());
+  Serial.print(", B");
+  Serial.println(d->getB());
+}
+
+void monitorLightChanged(EspalexaDevice* d) {
+  if (d == nullptr) return;
+
+  if (d->getValue() == 0) {
+    ledcWrite(redChannel2, 0);
+    ledcWrite(greenChannel2, 0);
+    ledcWrite(blueChannel2, 0);
+  } else {
+    ledcWrite(redChannel2, d->getR());
+    ledcWrite(greenChannel2, d->getG());
+    ledcWrite(blueChannel2, d->getB());
+  }
+
+  Serial.print("D changed to ");
+  Serial.print(d->getValue());
+  Serial.print(", color R");
+  Serial.print(d->getR());
+  Serial.print(", G");
+  Serial.print(d->getG());
+  Serial.print(", B");
+  Serial.println(d->getB());
+}
+
+void cabinetLightChanged(EspalexaDevice* d) {
+  if (d == nullptr) return;
+
+  if (d->getValue() == 0) {
+    ledcWrite(redChannel1, 0);
+    ledcWrite(greenChannel1, 0);
+    ledcWrite(blueChannel1, 0);
+  } else {
+    ledcWrite(redChannel1, d->getR());
+    ledcWrite(greenChannel1, d->getG());
+    ledcWrite(blueChannel1, d->getB());
+  }
+
+  Serial.print("D changed to ");
+  Serial.print(d->getValue());
+  Serial.print(", color R");
+  Serial.print(d->getR());
+  Serial.print(", G");
+  Serial.print(d->getG());
+  Serial.print(", B");
+  Serial.println(d->getB());
+}
+
+void ledStripsSetup() {
+  // setup channels
+  ledcSetup(redChannel1, freq, resolution);
+  ledcSetup(greenChannel1, freq, resolution);
+  ledcSetup(blueChannel1, freq, resolution); 
+
+  ledcSetup(redChannel2, freq, resolution);
+  ledcSetup(greenChannel2, freq, resolution);
+  ledcSetup(blueChannel2, freq, resolution); 
+
+  ledcSetup(redChannel3, freq, resolution);
+  ledcSetup(greenChannel3, freq, resolution);
+  ledcSetup(blueChannel3, freq, resolution); 
+  
+  // attach pins
+  ledcAttachPin(redPin1, redChannel1);
+  ledcAttachPin(greenPin1, greenChannel1);
+  ledcAttachPin(bluePin1, blueChannel1);
+
+  ledcAttachPin(redPin2, redChannel2);
+  ledcAttachPin(greenPin2, greenChannel2);
+  ledcAttachPin(bluePin2, blueChannel2);
+
+  ledcAttachPin(redPin3, redChannel3);
+  ledcAttachPin(greenPin3, greenChannel3);
+  ledcAttachPin(bluePin3, blueChannel3);
+}
+
+void setup() {
+  Serial.begin(115200);
+
+  ledStripsSetup();
+
+  wifiConnected = connectWifi();
+
+  if (wifiConnected) {
+    espalexa.addDevice("arbeitslicht", workingLightChanged, EspalexaDeviceType::color);
+    espalexa.addDevice("monitorlicht", monitorLightChanged, EspalexaDeviceType::color);
+    espalexa.addDevice("schranklicht", cabinetLightChanged, EspalexaDeviceType::color);
+
+    espalexa.begin();
+  } else {
+    while (1) {
+      Serial.println("Cannot connect to WiFi. Please check data and reset the ESP.");
+      delay(2500);
+    }
+  }
+  
+  // auf dem schrank - cabinet light
+
+  ledcWrite(redChannel1, 255);
+  ledcWrite(greenChannel1, 0);
+  ledcWrite(blueChannel1, 255);
+
+  // hinter monitoren - monitor light
+
+  ledcWrite(redChannel2, 255);
+  ledcWrite(greenChannel2, 255);
+  ledcWrite(blueChannel2, 0); 
+
+  // unterm schrank - working light
+
+  ledcWrite(redChannel3, 150);
+  ledcWrite(greenChannel3, 150);
+  ledcWrite(blueChannel3, 150);
+
+}
+
+void loop() {
+  espalexa.loop();
+  delay(1);
+}

test/README

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+
+This directory is intended for PlatformIO Unit Testing and project tests.
+
+Unit Testing is a software testing method by which individual units of
+source code, sets of one or more MCU program modules together with associated
+control data, usage procedures, and operating procedures, are tested to
+determine whether they are fit for use. Unit testing finds problems early
+in the development cycle.
+
+More information about PlatformIO Unit Testing:
+- https://docs.platformio.org/page/plus/unit-testing.html