Licht_Wecker/LichtWecker/LichtWecker.ino

// Including the ESP8266 WiFi library
#include <ESP8266HTTPClient.h>
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <WiFiManager.h>
#include <math.h> 
#include <SPI.h>
#include <DS3231.h>
#include <WiFiUdp.h>
//#include <ArduinoOTA.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

#define FASTLED_ESP8266_RAW_PIN_ORDER
#include "FastLED.h"
#define NUM_LEDS 38
// Data pin that led data will be written out over
#define DATA_PIN 14
// Clock pin only needed for SPI based chipsets when not using hardware SPI
#define CLOCK_PIN 13
// This is an array of leds.  One item for each led in your strip.
CRGB leds[NUM_LEDS];


RTClib RTC;
DS3231 Clock;

//Display
//#define NUMBER_OF_DEVICES 4
//#define CS_PIN 10
//LedMatrix ledMatrix = LedMatrix(NUMBER_OF_DEVICES, CS_PIN);
// Create new LCD03 instance
LiquidCrystal_I2C lcd(0x3f, 16, 2);

const String NodeName = "LichtWecker";
//Pin Taster
const int pinTime = 3; //Pin fuer Toggle_Power und Einstellen der Uhrzeit (Lang)
const int pinSet = 0; //Pin fuer Sleep und Zeit_Einstellung im Alarm/Time Set Mode
const int pinAlarm = 2; //Pin fuer Alarm An/Aus und setzen der Alarmzeiten (Lang)

//Pin Relay
const int outBeep = 9;


//Alarm Started?
bool alarm_started = false;
long startTime = 0;

bool lamp_on = false;

int al1h = 0;
int al1m = 0;

int al2h = 0;
int al2m = 0;

long previousMillis = 0;
void setup() {
  // put your setup code here, to run once:
  // Initializing serial port for debugging purposes
  Serial.begin(115200);
  delay(10);
  
  //Setup Display
  //ledMatrix.init();
  //ledMatrix.setTextAlignment(0);
  //ledMatrix.setRotation(true);
  //ledMatrix.setIntensity(0);
  // Initialise the LCD
  lcd.begin(4,5);  // sda=0, scl=2
  // Turn on the backlight
  lcd.backlight();

  Wire.begin();
  
  display_text("Not for Sale","Prototyp by CHM");
  delay(2000);
  display_text("L","");
  delay(200);
  display_text("Li","");
  delay(200);
  display_text("Lic","");
  delay(200);
  display_text("Lich","");
  delay(200);
  display_text("Licht","");
  delay(200);
  display_text("Licht W","");
  delay(200);
  display_text("Licht We","");
  delay(200);
  display_text("Licht Wec","");
  delay(200);
  display_text("Licht Weck","");
  delay(200);
  display_text("Licht Wecke","");
  delay(200);
  display_text("Licht Wecker","");
  delay(200);
  
  WiFi.hostname(NodeName);
  WiFi.mode(WIFI_OFF);
  //WiFiManager intialisation. Once completed there is no need to repeat the process on the current board
  //WiFiManager wifiManager;
  //wifiManager.autoConnect();
  //Serial.println("WiFi connected");

  //Serial.print("IP address: ");
  //Serial.println(WiFi.localIP());
  
  display_text("Licht Wecker","SW: 0.01");
  delay(1000);
  display_text("Licht Wecker","HW: 0.01");
  delay(1000);
  display_text("Licht Wecker","");
  
  //Set Alarm Times
  byte A1Day, A1Hour, A1Minute, A1Second, AlarmBits;
  bool A1Dy, A1h12, A1PM;
  Clock.getA1Time(A1Day, A1Hour, A1Minute, A1Second, AlarmBits, A1Dy, A1h12, A1PM);
  al1h = A1Hour;
  al1m = A1Minute;
  Serial.println("Alarm1 Set:" + String(A1Day) + ", " + String(A1Hour) + ", " + String(A1Minute) + ", " + String(AlarmBits) + ", " + String(A1Dy) + ", " + String(A1h12) + ", "); 

  Clock.getA2Time(A1Day, A1Hour, A1Minute,  AlarmBits, A1Dy, A1h12, A1PM);
  al2h = A1Hour;
  al2m = A1Minute;
  Serial.println("Alarm2 Set:" + String(A1Day) + ", " + String(A1Hour) + ", " + String(A1Minute) + ", " + String(AlarmBits) + ", " + String(A1Dy) + ", " + String(A1h12) + ", "); 
  
  show_green();
  
  delay(1000);

  //Pin Setup 
  pinMode(pinTime, INPUT);           // set pin to input
  digitalWrite(pinTime, HIGH);       // turn on pullup resistors

  pinMode(pinSet, INPUT);           // set pin to input
  digitalWrite(pinSet, HIGH);       // turn on pullup resistors

  pinMode(pinAlarm, INPUT);           // set pin to input
  digitalWrite(pinAlarm, HIGH);       // turn on pullup resistors

  pinMode(outBeep, OUTPUT);           // set pin to input
  digitalWrite(outBeep, LOW);       // turn on pullup resistors

  show_black();

  previousMillis = millis();

  
  
  //-------------------------------------------------
  //OTA
  // No authentication by default
  /*
  ArduinoOTA.setPassword(NodeName.c_str());
  ArduinoOTA.setHostname(NodeName.c_str());

  ArduinoOTA.onStart([]() {
    Serial.println("Start");
  });
  ArduinoOTA.onEnd([]() {
    Serial.println("\nEnd");
  });
  ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
    Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
  });
  ArduinoOTA.onError([](ota_error_t error) {
    Serial.printf("Error[%u]: ", error);
    if (error == OTA_AUTH_ERROR) Serial.println("Auth Failed");
    else if (error == OTA_BEGIN_ERROR) Serial.println("Begin Failed");
    else if (error == OTA_CONNECT_ERROR) Serial.println("Connect Failed");
    else if (error == OTA_RECEIVE_ERROR) Serial.println("Receive Failed");
    else if (error == OTA_END_ERROR) Serial.println("End Failed");
  });
  ArduinoOTA.begin();
  //-------------------------------------------------

*/
}

long time_on = -1;
int minutes_sleep = -1;

int h = 0;
int m = 0;
int s = 0;

int d = 0;
int M = 0;
int y = 0;

char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
String dow = "-";

int setItem = 0;

long block_gui = -1;

void loop() {
  //OTA
  //ArduinoOTA.handle();
  //OTA
  
  unsigned long currentMillis = millis();
  long intervall = currentMillis - previousMillis;
  
  release_gui(currentMillis);
  
  // put your main code here, to run repeatedly:
  if(setItem == 0){
      update_Time();
      run_alarm(currentMillis);
      if (block_gui < 0)
        show_current_time(intervall,currentMillis);
   }
   else{
      show_time_infos(intervall,currentMillis);
      previousMillis = currentMillis;
   }
  test_pin();
  handleSleep(intervall, currentMillis);
  delay(100);
}