Init commit

src/main.cpp

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+#include <NTPClient.h>
+// change next line to use with another board/shield
+#include <WiFi.h>
+#include <SPI.h>
+#include <Adafruit_GFX.h>
+#include <Adafruit_NeoMatrix.h>
+#include <Adafruit_NeoPixel.h>
+
+#include <WiFiMulti.h>
+
+#include <HTTPClient.h>
+#include <ArduinoJson.h>
+#include <DateTime.h>
+#include <IotWebConf.h>
+
+#include "calendar.h"
+
+#ifndef PSTR
+ #define PSTR // Make Arduino Due happy
+#endif
+
+#define COMMAND_PARAMETER_LENGTH 30
+
+#define PIN 15
+
+#include <WiFiUdp.h>
+
+void handleRoot();
+void processCommand();
+
+// -- Initial name of the Thing. Used e.g. as SSID of the own Access Point.
+const char thingName[] = "BADThing";
+// -- Initial password to connect to the Thing, when it creates an own Access Point.
+const char wifiInitialApPassword[] = "BADesp32";
+
+DNSServer dnsServer;
+WebServer server(80);
+IotWebConf iotWebConf(thingName, &dnsServer, &server, wifiInitialApPassword);
+
+
+enum Lines_names { TIME_LINE, DATE_LINE, WEATHER_LINE, NAMES_LINE, LAST_LINE };
+String Lines[LAST_LINE];
+
+Adafruit_NeoMatrix *matrix; 
+const uint16_t colors[] = {
+  Adafruit_NeoMatrix::Color(255, 0, 0), Adafruit_NeoMatrix::Color(0, 255, 0), Adafruit_NeoMatrix::Color(0, 0, 255) };
+ 
+WiFiUDP ntpUDP;
+
+// You can specify the time server pool and the offset (in seconds, can be
+// changed later with setTimeOffset() ). Additionaly you can specify the
+// update interval (in milliseconds, can be changed using setUpdateInterval() ).
+NTPClient timeClient(ntpUDP, "europe.pool.ntp.org", 3600, 60000);
+HTTPClient client;
+DynamicJsonDocument doc(1024);
+
+String get_name_of_day(int m,int d) {
+  for (int i=0;i<sizeof(cal_names)/sizeof(cal_names[0]); i++) {
+    if (cal_names[i].m == m && cal_names[i].d ==d)
+      return String(cal_names[i].name);
+  }
+  return String("Sviatok");
+}
+
+String get_weather_line()
+{
+  client.begin("http://api.openweathermap.org/data/2.5/weather?q=Trnava,sk&lang=sk&APPID=d15c61931a053026e98769dd9fc46ba3");
+  int code = client.GET();
+  if (code > 0) {
+
+    if(code == HTTP_CODE_OK) {
+      float temp;
+      String w;
+      String desc;
+
+      String payload = client.getString();
+      deserializeJson(doc, payload);
+      JsonObject obj = doc.as<JsonObject>();
+      temp = obj["main"]["temp"].as<float>();
+      w = obj["weather"][0]["main"].as<String>();
+      desc = obj["weather"][0]["description"].as<String>();
+      temp -= 273.15;
+      return String(temp) + String("C ") + desc; 
+    }
+  }
+
+  return "Error";
+}
+
+String get_time_line(){
+  return String(DateTime.format("%H:%M"));
+}
+
+String get_date_line(){
+  return String(DateTime.format("%d.%m"));
+}
+
+String get_names_line() {
+  int d = DateTime.getParts().getMonthDay();
+  int m = DateTime.getParts().getMonth();m++;
+  return get_name_of_day(m,d);
+}
+
+void setup_matrix() {
+  matrix = new Adafruit_NeoMatrix(32, 8, PIN,
+ NEO_MATRIX_BOTTOM     + NEO_MATRIX_RIGHT +
+  NEO_MATRIX_COLUMNS + NEO_MATRIX_ZIGZAG,
+  NEO_GBR            + NEO_KHZ800);
+
+  matrix->begin();
+  matrix->setTextWrap(false);
+  matrix->setBrightness(1);
+  matrix->setTextColor(colors[1]);
+}
+
+void setup(){
+  Serial.begin(115200);
+
+  //iotWebConf.setStatusPin(PIN);
+  iotWebConf.init();
+
+    // -- Set up required URL handlers on the web server.
+  server.on("/", handleRoot);
+  server.on("/config", []{ iotWebConf.handleConfig(); });
+  server.onNotFound([](){ iotWebConf.handleNotFound(); });
+
+  setup_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.
+  if (iotWebConf.handleCaptivePortal())
+  {
+    // -- Captive portal request were already served.
+    return;
+  }
+  String s = "<!DOCTYPE html><html lang=\"en\"><head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1, user-scalable=no\"/>";
+  s += "<title>IotWebConf 02 Status and Reset</title></head><body>Hello world!";
+  s += "Go to <a href='config'>configure page</a> to change settings.";
+  s += "</body></html>\n";
+
+  server.send(200, "text/html", s);
+}
+
+void loop() {
+  unsigned long sec;
+  unsigned long n=0;
+
+  // -- doLoop should be called as frequently as possible.
+  iotWebConf.doLoop();
+
+  if (WiFi.status() == WL_CONNECTED) {
+    timeClient.begin();
+    timeClient.update();
+    sec = timeClient.getEpochTime();
+    DateTime.setTime(sec);
+  
+    if (n++ % 25 == 0) Lines[WEATHER_LINE] = get_weather_line();
+    
+    Lines[TIME_LINE] = get_time_line();
+    Lines[DATE_LINE] = get_date_line();
+    Lines[NAMES_LINE] = get_names_line();
+
+    for (int i=0;i<LAST_LINE;i++) {
+      Serial.println(Lines[i]);
+      scroll_line(Lines[i]);
+    }
+  }
+}