Version 0.9

src/Scroller.cpp

@@ -0,0 +1,140 @@
+#include "Scroller.h"
+
+Scroller::Scroller(int max_loops)
+{
+  _max_loops = max_loops;
+}
+
+void Scroller::SetMatrix(Adafruit_NeoMatrix *matrix)
+{
+    this->_matrix = matrix;
+}
+
+int Scroller::GetNumberOfLines()
+{
+  return this->_nlines;
+}
+
+int Scroller::AddLine(String line)
+{
+    this->_Lines[this->_nlines] = line;
+    return _nlines++;
+}
+
+int Scroller::AddLines(String* lines,int nlines)
+{
+    for (int i=0; i < nlines; i++) {
+      _Lines[i] = lines[i];
+    }
+    _nlines = nlines;
+
+    return _nlines;
+}
+
+bool Scroller::ReplaceLine(int number,String line)
+{
+    _Lines[number] = line;
+    return true;
+}
+
+void Scroller::DeleteLines()
+{
+    _nlines = 0;
+}
+
+int Scroller::Scroll(int tick)
+{
+  int mx = 32;
+  String line;
+
+  line = _Lines[_lp];
+
+  if (line.length() * 6 > mx)
+  {
+    if (_x < line.length() * 6 - mx)
+    {
+      _matrix->fillScreen(0);
+      _matrix->setCursor(-_x, _y);
+      _matrix->setTextColor(_colors[1]);
+      _matrix->print(line);
+      _matrix->show();
+      if (_x++ == 0) {
+        return 3;
+      }
+      else {
+        return 1;
+      }
+    }
+    _lp++;
+    _x = 0;
+    return 10;
+  }
+  else
+  {
+    _matrix->fillScreen(0);
+    _matrix->setCursor(_x, _y);
+    _matrix->setTextColor(_colors[1]);
+    _matrix->print(line);
+    _matrix->show();
+    _lp++;
+    return 30;
+  }
+}
+
+bool Scroller::TurnOn()
+{
+  _off = false;
+  _lp = 0;
+  _x = 0;
+  _y = 0;
+  _nscrolled = 0;
+  _delayTicks = 0;
+
+  return true;
+}
+
+void Scroller::TurnOff()
+{
+  _matrix->fillScreen(0);
+  _matrix->print("");
+  _matrix->show();
+  _off = true;
+}
+
+void Scroller::SetColors(uint16_t *colors)
+{
+  _colors = colors;
+}
+
+void Scroller::loop(int tick)
+{
+  if (_off) return;
+
+  int delta = tick - _tick;
+
+  if (_lp == _nlines) {
+    _lp =0;
+    _nscrolled++;
+    _delayTicks = 50;
+  }
+
+  if (TimesScrolled() == _max_loops) {
+    TurnOff();
+    return;
+  } 
+
+  if (_delayTicks - delta <= 0) _delayTicks = Scroll(tick);
+  else _delayTicks -= delta;
+  
+  if (_delayTicks < 0) _delayTicks = 0;
+}
+
+int Scroller::TimesScrolled()
+{
+  return _nscrolled;
+}
+
+Scroller::~Scroller()
+{
+}
+

src/Scroller.h

@@ -0,0 +1,44 @@
+#ifndef SCROLLER_H
+#define SCROLLER_H
+#include <Adafruit_GFX.h>
+#include <Adafruit_NeoMatrix.h>
+#include <Adafruit_NeoPixel.h>
+#include <Arduino.h>
+#include <ESP32Ticker.h>
+
+#define SCROLLER_TICK_TIME 100 //ms
+
+class Scroller
+{
+private:
+    /* data */
+    const static int MAX_LINES = 10;
+    String _Lines[MAX_LINES];
+    int _nlines = 0;
+    int _lp = 0;
+    int _tick=0;
+    int _delayTicks = 0;
+    int _nscrolled = 0;
+    int _x = 0, _y = 0;
+    Adafruit_NeoMatrix *_matrix;
+    uint16_t *_colors;
+    int _max_loops;
+    bool _off = true;
+    
+public:
+    Scroller(int max_loops);
+    bool TurnOn();
+    void SetColors(uint16_t *colors);
+    void SetMatrix(Adafruit_NeoMatrix *matrix);
+    int AddLine(String line);
+    int AddLines(String* lines,int nlines);
+    void DeleteLines();
+    bool ReplaceLine(int number,String line);
+    int GetNumberOfLines();
+    int Scroll(int tick);
+    int TimesScrolled();
+    void TurnOff();
+    void loop(int tick);
+    ~Scroller();
+};
+#endif

src/TimeZone.cpp

@@ -0,0 +1,209 @@
+#include "TimeZone.h"
+
+void TimeZone::ruleDST(const char* tzName, int8_t week, int8_t wday, int8_t month, int8_t hour, int tzOffset) {
+  strcpy(dstStart.tzName, tzName);
+  dstStart.week = week;
+  dstStart.wday = wday;
+  dstStart.month = month;
+  dstStart.hour = hour;
+  dstStart.tzOffset = tzOffset;
+  }
+
+const char* TimeZone::ruleDST() {
+  if(dstZone) {
+    return ctime(&dstTime);
+    }
+  else return RULE_DST_MESSAGE;
+  }
+
+void TimeZone::ruleSTD(const char* tzName, int8_t week, int8_t wday, int8_t month, int8_t hour, int tzOffset) {
+  strcpy(dstEnd.tzName, tzName);
+  dstEnd.week = week;
+  dstEnd.wday = wday;
+  dstEnd.month = month;
+  dstEnd.hour = hour;
+  dstEnd.tzOffset = tzOffset;
+  }
+    
+const char* TimeZone::ruleSTD() {
+  if(dstZone) {
+    return ctime(&stdTime);
+    }
+  else return RULE_STD_MESSAGE;
+  }
+
+const char* TimeZone::tzName() {
+  if (dstZone) {
+    if (summerTime()) return dstStart.tzName;
+    else return dstEnd.tzName;
+    }
+  return GMT_MESSAGE; // TODO add timeZoneOffset
+  }
+
+void TimeZone::timeZone(int8_t tzHours, int8_t tzMinutes) {
+  this->tzHours = tzHours;
+  this->tzMinutes = tzMinutes;
+  timezoneOffset = tzHours * 3600;
+  if (tzHours < 0) {
+    timezoneOffset -= tzMinutes * 60;
+    }
+  else {
+    timezoneOffset += tzMinutes * 60;
+    }
+  }
+
+void TimeZone::isDST(bool dstZone) {
+  this->dstZone = dstZone;
+  }
+
+bool TimeZone::isDST() {
+  return summerTime();
+  }
+
+time_t TimeZone::epoch() {
+  currentTime();
+  return utcCurrent; 
+  }
+
+void TimeZone::currentTime() {
+  utcCurrent = utcTime; 
+  if (dstZone) {
+    if (summerTime()) {
+      local = utcCurrent + dstOffset + timezoneOffset;
+      current = gmtime(&local);    
+      }
+    else {
+      local = utcCurrent + timezoneOffset;
+      current = gmtime(&local);
+      }
+    if ((current->tm_year + 1900) > yearDST) beginDST();
+    }
+  else {
+    local = utcCurrent + timezoneOffset;
+    current = gmtime(&local);
+    }
+  }
+
+int16_t TimeZone::year() {
+  currentTime();
+  return current->tm_year + 1900;
+  }
+
+int8_t TimeZone::month() {
+  currentTime();
+  return current->tm_mon + 1;
+  }
+
+int8_t TimeZone::day() {
+  currentTime();
+  return current->tm_mday;
+  }
+
+int8_t TimeZone::weekDay() {
+  currentTime();
+  return current->tm_wday;
+  }
+
+int8_t TimeZone::hours() {
+  currentTime();
+  return current->tm_hour;
+  }
+
+int8_t TimeZone::minutes() {
+  currentTime();
+  return current->tm_min;
+  }
+
+int8_t TimeZone::seconds() {
+  currentTime();
+  return current->tm_sec;
+  }
+
+void TimeZone::begin() {
+  if (dstZone) {
+    timezoneOffset = dstEnd.tzOffset * SECS_PER_MINUTES;
+    dstOffset = (dstStart.tzOffset - dstEnd.tzOffset) * SECS_PER_MINUTES;
+    currentTime();
+    beginDST();
+    } 
+  }
+
+TimeZone& TimeZone::setUTCTime(time_t t) {
+  utcTime = t;
+  begin();
+  return *this;
+}
+
+TimeZone& TimeZone::setLocalTime(time_t t) {
+  utcTime = t;
+  begin();
+  if (dstZone) {
+    if ((t > utcDST) && (t <= utcSTD)) {
+      t -= dstOffset + timezoneOffset;;
+     } else {
+      t -= timezoneOffset;
+     }
+    utcTime = t;
+    currentTime();
+  }
+  return *this;
+}
+
+time_t TimeZone::getLocalTime() {
+  currentTime();
+  return local;
+}
+
+time_t TimeZone::getUTCTime() {
+  currentTime();
+  return utcTime;
+}
+
+char* TimeZone::formattedTime(const char *format) {
+  currentTime();
+  memset(timeString, 0, sizeof(timeString));
+  strftime(timeString, sizeof(timeString), format, current);
+  return timeString;
+  } 
+
+void TimeZone::beginDST() {
+  dstTime = calcDateDST(dstStart, current->tm_year + 1900);
+  utcDST = dstTime - (dstEnd.tzOffset * SECS_PER_MINUTES);
+  stdTime = calcDateDST(dstEnd, current->tm_year + 1900);
+  utcSTD = stdTime - (dstStart.tzOffset * SECS_PER_MINUTES);
+  yearDST = current->tm_year + 1900;
+  }
+
+time_t TimeZone::calcDateDST(struct ruleDST rule, int year) {
+	uint8_t month = rule.month;
+	uint8_t week = rule.week;
+	if (week == 0) {
+		if (month++ > 11) {
+			month = 0;
+			year++;
+			}
+		week = 1;
+		}
+
+	struct tm tm;
+	tm.tm_hour = rule.hour;
+	tm.tm_min = 0;
+	tm.tm_sec = 0;
+	tm.tm_mday = 1;
+	tm.tm_mon = month;
+	tm.tm_year = year - 1900;
+	time_t t = mktime(&tm);
+
+	t += ((rule.wday - tm.tm_wday + 7) % 7 + (week - 1) * 7 ) * SECS_PER_DAY;
+	if (rule.week == 0) t -= 7 * SECS_PER_DAY;
+	return t;
+	}
+
+bool TimeZone::summerTime() {
+  if ((utcCurrent > utcDST) && (utcCurrent <= utcSTD)) {
+    return true;
+    }
+  else {
+    return false;
+    }
+  }

src/TimeZone.h

@@ -0,0 +1,206 @@
+#ifndef TIMEZONE_H
+#define TIMEZONE_H
+
+#include "Arduino.h"
+#include <time.h>
+
+#ifndef NTP_H
+#define SEVENTYYEARS 2208988800UL
+#define NTP_PACKET_SIZE 48
+#define NTP_DEFAULT_LOCAL_PORT 123
+#define SECS_PER_MINUTES 60
+#define SECS_PER_DAY 86400
+
+#define GMT_MESSAGE "GMT +/- offset"
+#define RULE_DST_MESSAGE "no DST rule"
+#define RULE_STD_MESSAGE "no STD rule"
+
+enum week_t {Last, First, Second, Third, Fourth}; 
+enum dow_t {Sun, Mon, Tue, Wed, Thu, Fri, Sat};
+enum month_t {Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec};
+#endif
+
+class TimeZone {
+    public:
+
+    struct ruleDST {
+	    char tzName[6]; // five chars max
+	    int8_t week;   // First, Second, Third, Fourth, or Last week of the month
+	    int8_t wday;   // day of week, 0 = Sun, 2 = Mon, ... 6 = Sat
+	    int8_t month;  // 0 = Jan, 1 = Feb, ... 11=Dec
+	    int8_t hour;   // 0 - 23
+	    int tzOffset;   // offset from UTC in minutes
+      };
+
+    /**
+     * @brief set the rule for DST (daylight saving time)
+     * start date of DST 
+     * 
+     * @param tzName name of the time zone
+     * @param week Last, First, Second, Third, Fourth (0 - 4)
+     * @param wday Sun, Mon, Tue, Wed, Thu, Fri, Sat (0 - 7)
+     * @param month Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec (0 -11)
+     * @param hour the local hour when rule chages
+     * @param tzOffset sum of summertime and timezone offset
+     */
+    void ruleDST(const char* tzName, int8_t week, int8_t wday, int8_t month, int8_t hour, int tzOffset);
+
+    /**
+     * @brief get the DST time as a ctime string
+     * 
+     * @return char* time string
+     */
+    const char* ruleDST();
+
+    /**
+     * @brief set the rule for STD (standard day)
+     * end date of DST
+     * 
+     * @param tzName name of the time zone
+     * @param week Last, First, Second, Third, Fourth (0 - 4)
+     * @param wday Sun, Mon, Tue, Wed, Thu, Fri, Sat (0 - 7)
+     * @param month Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec (0 -11)
+     * @param hour the local hour when rule chages
+     * @param tzOffset timezone offset
+     */
+    void ruleSTD(const char* tzName, int8_t week, int8_t wday, int8_t month, int8_t hour, int tzOffset);
+
+    /**
+     * @brief get the STD time as a ctime string
+     * 
+     * @return char* time string
+     */
+    const char* ruleSTD();
+
+    /**
+     * @brief get the name of the timezone
+     * 
+     * @return char* name of the timezone
+     */
+    const char* tzName();
+
+   /**
+     * @brief set the timezone manually 
+     * this should used if there is no DST!
+     * 
+     * @param tzHours 
+     * @param tzMinutes 
+     */
+    void timeZone(int8_t tzHours, int8_t tzMinutes = 0);
+
+    /**
+     * @brief set daylight saving manually! 
+     * use in conjunction with timeZone, when there is no DST!
+     * 
+     * @param dstZone 
+     */
+    void isDST(bool dstZone);
+
+    /**
+     * @brief returns the DST state
+     * 
+     * @return int 1 if summertime, 0 no summertime
+     */
+    bool isDST();
+	
+    /**
+     * @brief get the Unix epoch timestamp
+     * 
+     * @return time_t timestamp
+     */
+    time_t epoch();
+
+    /**
+     * @brief get the year
+     * 
+     * @return int year
+     */
+    int16_t year();
+
+    /**
+     * @brief get the month
+     * 
+     * @return int month, 1 = january 
+     */
+    int8_t month();
+
+    /**
+     * @brief get the day of a month
+     * 
+     * @return int day
+     */
+    int8_t day();
+
+    /**
+     * @brief get the day of a week
+     * 
+     * @return int day of the week, 0 = sunday
+     */
+    int8_t weekDay();
+
+    /**
+     * @brief get the hour of the day
+     * 
+     * @return int 
+     */
+    int8_t hours();
+
+    /**
+     * @brief get the minutes of the hour
+     * 
+     * @return int minutes
+     */
+    int8_t minutes();
+
+    /**
+     * @brief get the seconds of a minute
+     * 
+     * @return int seconds
+     */
+    int8_t seconds();    
+
+    /**
+     * @brief returns a formatted string
+     * 
+     * @param format for strftime
+     * @return char* formated time string
+     */
+
+    time_t fromUTC(time_t t);
+    time_t toUTC(time_t t);
+    time_t toLocalTime(time_t t);
+
+    time_t calcDateDST(struct ruleDST rule, int year);
+    bool summerTime(time_t t);
+    bool summerTime();
+
+    TimeZone& setUTCTime(time_t t);
+    TimeZone& setLocalTime(time_t t);
+    time_t getLocalTime();
+    time_t getUTCTime();
+    void begin();
+    char* formattedTime(const char *format);
+
+  private:
+    time_t utcCurrent = 0;
+    time_t local = 0;
+    struct tm *current;
+    uint32_t interval = 60000;
+    uint32_t lastUpdate = 0;
+    uint8_t tzHours = 0;
+    uint8_t tzMinutes = 0;
+    int32_t timezoneOffset;
+    int16_t dstOffset = 0;
+    bool dstZone = true;
+    uint32_t utcTime = 0;
+    time_t utcSTD, utcDST;
+    time_t dstTime, stdTime;
+    uint16_t yearDST;
+    char timeString[64];
+    struct ruleDST dstStart, dstEnd;
+       
+    void currentTime();
+    void beginDST();
+};
+
+#endif

src/main.cpp

@@ -1,4 +1,3 @@
-// change next line to use with another board/shield
 #include <WiFi.h>
 #include <SPI.h>
 #include <Adafruit_GFX.h>
@@ -9,19 +8,22 @@
 
 #include <HTTPClient.h>
 #include <ArduinoJson.h>
-#include <DateTime.h>
 #include <IotWebConf.h>
 #include <NTP.h>
 #include <SPIFFS.h>
 #include <time.h>
+#include <DateTime.h>
 
+#include "ESP32TimerInterrupt.h"
+#include "Scroller.h"
 #include "calendar.h"
+#include "TimeZone.h"
 #ifndef PSTR
 #define PSTR // Make Arduino Due happy
 #endif
 
 #define COMMAND_PARAMETER_LENGTH 30
-
+#define MAX_TIMES_SCROLLED 5
 #define PIN 15
 
 #include <WiFiUdp.h>
@@ -49,7 +51,7 @@ enum Lines_names
 String Lines[LAST_LINE];
 
 Adafruit_NeoMatrix *matrix;
-const uint16_t colors[] = {
+uint16_t colors[] = {
     Adafruit_NeoMatrix::Color(255, 0, 0), Adafruit_NeoMatrix::Color(0, 255, 0), Adafruit_NeoMatrix::Color(0, 0, 255)};
 
 WiFiUDP ntpUDP;
@@ -74,10 +76,53 @@ struct timer_def {
     int when; int h; int m; int d; int mh; int y;
 };
 
-int ntimers;
+int ntimers,nextTimer = -1;
+int nts;
+
+DateTimeClass nextAlarmDateTime;
 #define MAX_TIMERS 10
 timer_def Timers[MAX_TIMERS];
 
+Scroller scroller(MAX_TIMES_SCROLLED);
+
+unsigned long last_millis;
+bool showText = false;
+int scrolledTicker = 0;
+bool updateNtpTime = false;
+
+ESP32Timer ITimer0(0);
+ESP32Timer ITimer1(1);
+ESP32Timer ITimer2(2);
+
+#define TIMER0_INTERVAL_MS        1000
+#define TIMER1_INTERVAL_MS        100
+#define TIMER2_INTERVAL_MS        60000
+
+void IRAM_ATTR TimerCheckTime0(void)
+{
+  unsigned long m = millis(), delta;
+  
+  delta = (m - last_millis)/1000;
+
+  DateTime += delta;
+  
+  if (nextAlarmDateTime <= DateTime && nextTimer != -1) {
+     showText = true;
+     scroller.TurnOn();
+  }
+
+  last_millis = m;
+}
+
+void IRAM_ATTR TimerScrollTime1(void)
+{
+  scrolledTicker++;
+}
+
+void IRAM_ATTR TimerUpdateNTP2(void)
+{
+  updateNtpTime = true;
+}
 
 String getValue(String data, char separator, int index)
 {
@@ -212,7 +257,7 @@ void read_config()
   {
     s += (char)file.read();
   }
-  Serial.print(s);
+  Serial.println(s);
 
   file.close();
 
@@ -258,7 +303,16 @@ void read_config()
 void calculate_timers()
 {
   timer_def *t;
+  int timer = -1;
   struct tm tm;
+  DateTimeClass AlarmTime,NextAlarm;
+  time_t alarm;
+  TimeZone TZ;
+
+  Serial.println("---CALC TIMERS---");
+  TZ.ruleDST("CEST", Last, Sun, Mar, 2, 120); // last sunday in march 2:00, timetone +120min (+1 GMT + 1h summertime offset)
+  TZ.ruleSTD("CET", Last, Sun, Oct, 3, 60);   // last sunday in october 3:00, timezone +60min (+1 GMT)
+ 
   for (int i=0; i<ntimers ; i++)
   {
     t = &Timers[i];
@@ -269,8 +323,8 @@ void calculate_timers()
     
     if (t->d !=0) {
       tm.tm_mday = t->d;
-      tm.tm_mon = t->mh;
-      tm.tm_year = t->y;
+      tm.tm_mon = t->mh - 1;
+      tm.tm_year = t->y - 1900;
     } else {
       tm.tm_mday = 0;
       tm.tm_mon = 0;
@@ -279,15 +333,67 @@ void calculate_timers()
 
     if (t->d == 0) {
       if (t->when == WORK_DAYS) {
+        int offset=24*3600;
+        int wday;
+
+        tm.tm_mday = DateTime.getParts().getMonthDay();
+        tm.tm_mon = DateTime.getParts().getMonth();
+        tm.tm_year = DateTime.getParts().getYear() - 1900;
+        wday = DateTime.getParts().getWeekDay();
+
+        if (wday == 0) offset = 3600*24;
+        if (wday == 6) offset = 2*3600*24;
+        
+        alarm = mktime(&tm);
+        TZ.setLocalTime(alarm);
+
+        AlarmTime.setTime(TZ.getUTCTime());
+        
+        if (AlarmTime > DateTime && wday == 5 ) offset = 3*3600*24;
+
+        TZ.setLocalTime(alarm + offset);
+        AlarmTime.setTime(TZ.getUTCTime());
 
       } else if (t->when == WEEKENDS) {
+        int offset=24*3600;
+        int wday;
 
-      } else if (t->when == TOMOROW ) {
+        tm.tm_mday = DateTime.getParts().getMonthDay();
+        tm.tm_mon = DateTime.getParts().getMonth();
+        tm.tm_year = DateTime.getParts().getYear() - 1900;
+        wday = DateTime.getParts().getWeekDay();
+
+        if (wday >= 1 && wday <= 5) offset = (7-wday) *3600*24;
         
+        alarm = mktime(&tm);
+        TZ.setLocalTime(alarm);
+        AlarmTime.setTime(TZ.getUTCTime());
+        
+        if (AlarmTime > DateTime && wday == 5 ) offset = 3*3600*24;
+
+        TZ.setLocalTime(alarm + offset);
+        AlarmTime.setTime(TZ.getUTCTime());
+
+      } else if (t->when == ONCE ) {
+        alarm = mktime(&tm);
+        TZ.setLocalTime(alarm);
+        AlarmTime.setTime(TZ.getUTCTime());
+      }
+
+      if (AlarmTime > DateTime && (AlarmTime < NextAlarm || timer == -1)) {
+        timer = i;
+        NextAlarm = AlarmTime;
       }
     }
 
   }
+  
+  if (timer != -1) {
+    nextTimer = timer;
+    nextAlarmDateTime = NextAlarm;
+    Serial.println(DateTime.toString());
+    Serial.println(nextAlarmDateTime.toString());  
+  }
 }
 
 void setup()
@@ -304,6 +410,22 @@ void setup()
     return;
   }
 
+  if (ITimer0.attachInterruptInterval(TIMER0_INTERVAL_MS * 1000, TimerCheckTime0))
+    Serial.println("Starting  ITimer0 OK, millis() = " + String(millis()));
+  else
+    Serial.println("Can't set ITimer0. Select another freq. or timer");
+
+  // Interval in microsecs
+  if (ITimer1.attachInterruptInterval(TIMER1_INTERVAL_MS * 1000, TimerScrollTime1))
+    Serial.println("Starting  ITimer1 OK, millis() = " + String(millis()));
+  else
+    Serial.println("Can't set ITimer1. Select another freq. or timer");
+
+  if (ITimer2.attachInterruptInterval(TIMER2_INTERVAL_MS * 1000, TimerUpdateNTP2))
+    Serial.println("Starting  ITimer2 OK, millis() = " + String(millis()));
+  else
+    Serial.println("Can't set ITimer2. Select another freq. or timer");
+
 
   // -- Set up required URL handlers on the web server.
   server.on("/", handleRoot);
@@ -313,42 +435,11 @@ void setup()
 
   setup_matrix();
   read_config();
+
+  scroller.SetColors(colors);
+  scroller.SetMatrix(matrix);
 }
 
-void scroll_line(String line)
-{
-  int x = 0, mx = 32;
-  int y = 0;
-
-  if (line.length() * 6 > mx)
-  {
-    for (x = 0; x < line.length() * 6 - mx; x++)
-    {
-      matrix->fillScreen(0);
-      matrix->setCursor(-x, y);
-      matrix->setTextColor(colors[1]);
-      matrix->print(line);
-      matrix->show();
-      if (x == 0)
-        delay(300);
-      else
-        delay(100);
-    }
-    delay(1000);
-  }
-  else
-  {
-    matrix->fillScreen(0);
-    matrix->setCursor(x, y);
-    matrix->setTextColor(colors[1]);
-    matrix->print(line);
-    matrix->show();
-    delay(3000);
-  }
-}
-
-
-
 void handleRoot()
 {
   // -- Let IotWebConf test and handle captive portal requests.
@@ -385,32 +476,48 @@ void loop()
   unsigned long n = 0;
 
   // -- doLoop should be called as frequently as possible.
-  iotWebConf.doLoop();
 
   if (WiFi.status() == WL_CONNECTED)
   {
     if (initialized == false)
     {
+      Serial.println("---INIT---");
       ntp.ruleDST("CEST", Last, Sun, Mar, 2, 120); // last sunday in march 2:00, timetone +120min (+1 GMT + 1h summertime offset)
       ntp.ruleSTD("CET", Last, Sun, Oct, 3, 60);   // last sunday in october 3:00, timezone +60min (+1 GMT)
       ntp.begin();
+      sec = ntp.epoch();
+      DateTime.setTime(sec);
+
       initialized = true;
     }
-    sec = ntp.epoch();
-    DateTime.setTime(sec);
 
-    if (n++ % 25 == 0)
-      Lines[WEATHER_LINE] = get_weather_line();
+    if (updateNtpTime) {
+      Serial.println("---NTP UPDATE---");
+      ntp.update();
+      sec = ntp.epoch();
+      DateTime.setTime(sec);
+      calculate_timers();
+      updateNtpTime = false;
+    
 
-    Lines[TIME_LINE] = get_time_line();
-    Lines[DATE_LINE] = get_date_line();
-    Lines[NAMES_LINE] = get_names_line();
+      if (n++ % 10 == 0)
+        Lines[WEATHER_LINE] = get_weather_line();
 
-    for (int i = 0; i < LAST_LINE; i++)
-    {
-      Serial.println(Lines[i]);
-      scroll_line(Lines[i]);
-      iotWebConf.doLoop();
+      Lines[TIME_LINE] = get_time_line();
+      Lines[DATE_LINE] = get_date_line();
+      Lines[NAMES_LINE] = get_names_line();
+
+      scroller.AddLines(Lines,LAST_LINE);
+      
+    }
+
+    if (showText) {
+      Serial.println("---SHOW TEXT----");   
+      scroller.loop(scrolledTicker);
+
+      if (scroller.TimesScrolled() > MAX_TIMES_SCROLLED) showText = false;
     }
   }
+  
+  iotWebConf.doLoop();
 }