Firmeware release

firmware/singleButton.ino

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+#include <EEPROM.h>
+#include <Adafruit_NeoPixel.h>
+#include "OneButton.h"
+
+Adafruit_NeoPixel led(1, 4, NEO_GRB + NEO_KHZ800);
+OneButton button(14);
+
+bool fading = false;
+int fadingCounter = 0;
+
+int common[][3] = {{0, 0, 0}, {255, 255, 0}, {255, 0, 0}, {61, 224, 229}, {0, 255, 0}, {255, 255, 255}};
+int commonCounter = 0;
+
+int dimmingDirection = true;
+
+int color[] = {255, 255, 255};
+int saturation = 255;
+
+struct { 
+    bool fading;
+    int color[3];
+    int saturation;
+} flash;
+
+void setup() {
+  Serial.begin(115200);
+  
+  EEPROM.begin(sizeof(flash));
+  EEPROM.get(0, flash);
+
+  color[0] = flash.color[0];
+  color[1] = flash.color[1];
+  color[2] = flash.color[2];
+  
+  fading = flash.fading;
+  if(flash.fading == -1) flash.fading = false;
+  saturation = flash.saturation;
+  saveConfig();
+  
+  led.begin();
+  led.clear();
+
+  button.attachClick([]() {
+    //cycle common colours on Single-Click and store Position
+    if(commonCounter >= 5) commonCounter = 0; else commonCounter++;
+    Serial.println(commonCounter);
+    color[0] = common[commonCounter][0];
+    color[1] = common[commonCounter][1];
+    color[2] = common[commonCounter][2];
+
+    flash.color[0] = common[commonCounter][0];
+    flash.color[1] = common[commonCounter][1];
+    flash.color[2] = common[commonCounter][2];
+    saveConfig();
+    
+  });
+  
+  button.attachDoubleClick([]() {
+    //start Fading and store fading-status
+    fading = !fading;
+    
+    flash.fading = fading;
+    saveConfig();
+  });
+
+  button.attachLongPressStart([]() {
+    //on each new Longpress reverse the direction the dimming will go
+    dimmingDirection = !dimmingDirection;
+  });
+
+  button.attachDuringLongPress([]() {
+    //on long press increment or decrement based on direction the saturation value
+    if(dimmingDirection) {
+      if(saturation < 255) saturation++;
+    } else {
+      if(saturation > 10) saturation--;
+    }
+    delay(10); //this delay controls the speed of the dimm-controlls
+  });
+  button.attachLongPressStop([]() {
+    flash.saturation = saturation;
+    saveConfig();
+  });
+}
+
+void loop() {
+  button.tick();
+
+  if(fading) {
+    fadingCounter++;
+    if(fadingCounter >= 65535) fadingCounter = 0;
+    led.setPixelColor(0, led.ColorHSV(fadingCounter, 255, saturation));
+  } else {
+    led.setPixelColor(0, led.Color(color[0]*(saturation/255.0), color[1]*(saturation/255.0), color[2]*(saturation/255.0)));
+  }
+  
+    
+  led.show();
+
+}
+
+void saveConfig() {
+  EEPROM.put(0, flash);
+  EEPROM.commit();
+}

resetEeprom/factoryDefault.ino

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+#include <EEPROM.h>
+
+void setup() {
+  // put your setup code here, to run once:
+  struct { 
+    bool fading;
+    int color[3];
+    int saturation;
+  } flash;
+  EEPROM.begin(sizeof(flash));
+
+
+  flash.color[0] = 0;
+  flash.color[1] = 0;
+  flash.color[2] = 0;
+
+  flash.fading = false;
+  flash.saturation = 255;
+
+  EEPROM.put(0, flash);
+  EEPROM.commit();
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+
+
+}