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/**The MIT License (MIT)Copyright (c) 2017 by Daniel EichhornPermission is hereby granted, free of charge, to any person obtaining a copyof this software and associated documentation files (the "Software"), to dealin the Software without restriction, including without limitation the rightsto use, copy, modify, merge, publish, distribute, sublicense, and/or sellcopies of the Software, and to permit persons to whom the Software isfurnished to do so, subject to the following conditions:The above copyright notice and this permission notice shall be included in allcopies or substantial portions of the Software.THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS ORIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THEAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHERLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THESOFTWARE.See more at https://blog.squix.org  Copyright (c) 2017 by Daniel Eichhorn  Permission is hereby granted, free of charge, to any person obtaining a copy  of this software and associated documentation files (the "Software"), to deal  in the Software without restriction, including without limitation the rights  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell  copies of the Software, and to permit persons to whom the Software is*//*****************************   Important: see settings.h to configure your settings!!! * ***************************/#include "settings.h"#include <Arduino.h>#include <SPI.h>#include <ESP8266WiFi.h>#include "WeatherStationFonts.h"/***   Install the following libraries through Arduino Library Manager   - Mini Grafx by Daniel Eichhorn   - ESP8266 WeatherStation by Daniel Eichhorn   - Json Streaming Parser by Daniel Eichhorn   - simpleDSTadjust by neptune2 ***/#include <JsonListener.h>#include <WundergroundConditions.h>#include <WundergroundForecast.h>#include <WundergroundAstronomy.h>//#include <WundergroundHourly.h>#include <MiniGrafx.h>#include <EPD_WaveShare.h>#include "ArialRounded.h"#include <MiniGrafxFonts.h>#include "moonphases.h"#include "weathericons.h"#include "configportal.h"#define MINI_BLACK 0#define MINI_WHITE 1#define MAX_FORECASTS 9// defines the colors usable in the paletted 16 color frame bufferuint16_t palette[] = {ILI9341_BLACK, // 0                      ILI9341_WHITE, // 1                     };#define SCREEN_HEIGHT 128#define SCREEN_WIDTH 296#define BITS_PER_PIXEL 1EPD_WaveShare epd(EPD2_9, CS, RST, DC, BUSY);MiniGrafx gfx = MiniGrafx(&epd, BITS_PER_PIXEL, palette);WGConditions conditions;WGAstronomy astronomy;//WGHourly hourlies[24];WGForecast forecasts[6];// Setup simpleDSTadjust Library rulessimpleDSTadjust dstAdjusted(StartRule, EndRule);void updateData();void drawProgress(uint8_t percentage, String text);void drawTime();void drawButtons();void drawCurrentWeather();void drawForecast();void drawForecastDetail(uint16_t x, uint16_t y, uint8_t dayIndex);void drawAstronomy();void drawCurrentWeatherDetail();void drawLabelValue(uint8_t line, String label, String value);void drawBattery();String getMeteoconIcon(String iconText);const char* getMeteoconIconFromProgmem(String iconText);const char* getMiniMeteoconIconFromProgmem(String iconText);void drawForecast();long lastDownloadUpdate = millis();String moonAgeImage = "";uint16_t screen = 0;long timerPress;bool canBtnPress;boolean connectWifi() {  if (WiFi.status() == WL_CONNECTED) return true;  //Manual Wifi  Serial.print("[");  Serial.print(WIFI_SSID.c_str());  Serial.print("]");  Serial.print("[");  Serial.print(WIFI_PASS.c_str());  Serial.print("]");  WiFi.begin(WIFI_SSID.c_str(), WIFI_PASS.c_str());  int i = 0;  while (WiFi.status() != WL_CONNECTED) {    delay(500);    i++;    if (i > 20) {      Serial.println("Could not connect to WiFi");      return false;    }    Serial.print(".");  }  return true;}void setup() {  Serial.begin(115200);  pinMode(USR_BTN, INPUT_PULLUP);  int btnState = digitalRead(USR_BTN);  gfx.init();  gfx.setRotation(1);  gfx.setFastRefresh(false);    // load config if it exists. Otherwise use defaults.  boolean mounted = SPIFFS.begin();  if (!mounted) {    SPIFFS.format();    SPIFFS.begin();  }  loadConfig();  Serial.println("State: " + String(btnState));  if (btnState == LOW) {    boolean connected = connectWifi();    startConfigPortal(&gfx);  } else {    boolean connected = connectWifi();    if (connected) {      updateData();      gfx.fillBuffer(MINI_WHITE);      drawTime();      drawBattery();      drawCurrentWeather();      drawForecast();      drawAstronomy();      drawButtons();      gfx.commit();    } else {      gfx.fillBuffer(MINI_WHITE);      gfx.setColor(MINI_BLACK);      gfx.setTextAlignment(TEXT_ALIGN_CENTER);      gfx.drawString(SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2 - 30, "Could not connect to WiFi\nPress LEFT + RIGHT button\nto enter config mode");      gfx.commit();    }    ESP.deepSleep(UPDATE_INTERVAL_SECS * 1000000);  }}void loop() {}// Update the internet based information and update screenvoid updateData() {  configTime(UTC_OFFSET * 3600, 0, NTP_SERVERS);  //gfx.fillBuffer(MINI_WHITE);  gfx.setColor(MINI_BLACK);  gfx.fillRect(0, SCREEN_HEIGHT - 12, SCREEN_WIDTH, 12);  gfx.setColor(MINI_WHITE);  gfx.setFont(ArialMT_Plain_10);  gfx.setTextAlignment(TEXT_ALIGN_CENTER);  gfx.drawString(SCREEN_WIDTH / 2, SCREEN_HEIGHT - 12, "Refreshing data...");  gfx.commit();  //gfx.fillBuffer(MINI_BLACK);  gfx.setFont(ArialRoundedMTBold_14);  WundergroundConditions *conditionsClient = new WundergroundConditions(IS_METRIC);  conditionsClient->updateConditionsPWS(&conditions, WUNDERGRROUND_API_KEY, WUNDERGRROUND_LANGUAGE, WUNDERGROUND_CITY);  delete conditionsClient;  conditionsClient = nullptr;/*  WundergroundHourly *hourlyClient = new WundergroundHourly(IS_METRIC, !IS_STYLE_12HR);  hourlyClient->updateHourly(hourlies, WUNDERGRROUND_API_KEY, WUNDERGRROUND_LANGUAGE, WUNDERGROUND_COUNTRY, WUNDERGROUND_CITY);  delete hourlyClient;  hourlyClient = nullptr;*/  WundergroundAstronomy *astronomyClient = new WundergroundAstronomy(IS_STYLE_12HR);  astronomyClient->updateAstronomyPWS(&astronomy, WUNDERGRROUND_API_KEY, WUNDERGRROUND_LANGUAGE, WUNDERGROUND_CITY);  delete astronomyClient;  astronomyClient = nullptr;  moonAgeImage = String((char) (65 + 26 * (((astronomy.moonAge.toInt()) % 30) / 30.0)));  WundergroundForecast *forecastClient = new WundergroundForecast(IS_METRIC);  forecastClient->updateForecastPWS(forecasts, 6, WUNDERGRROUND_API_KEY, WUNDERGRROUND_LANGUAGE, WUNDERGROUND_CITY);  delete forecastClient;  forecastClient = nullptr;      // Wait max. 3 seconds to make sure the time has been sync'ed  Serial.println("\nWaiting for time");  unsigned timeout = 3000;  unsigned start = millis();  while (millis() - start < timeout) {    time_t now = time(nullptr);    if (now > (2016 - 1970) * 365 * 24 * 3600) {      return;    }    Serial.println(".");    delay(100);  }}// draws the clockvoid drawTime() {  char *dstAbbrev;  char time_str[30];  time_t now = dstAdjusted.time(&dstAbbrev);  struct tm * timeinfo = localtime (&now);  gfx.setTextAlignment(TEXT_ALIGN_LEFT);  gfx.setFont(ArialMT_Plain_10);  gfx.setColor(MINI_BLACK);  String date = ctime(&now);  date = date.substring(0, 11) + String(1900 + timeinfo->tm_year);  if (IS_STYLE_12HR) {    int hour = (timeinfo->tm_hour + 11) % 12 + 1; // take care of noon and midnight    sprintf(time_str, "%2d:%02d:%02d", hour, timeinfo->tm_min, timeinfo->tm_sec);    gfx.drawString(2, -2, String(FPSTR(TEXT_UPDATED)) + String(time_str));  } else {    sprintf(time_str, "%02d:%02d:%02d", timeinfo->tm_hour, timeinfo->tm_min, timeinfo->tm_sec);    gfx.drawString(2, -2, String(FPSTR(TEXT_UPDATED)) + String(time_str));  }  gfx.drawLine(0, 11, SCREEN_WIDTH, 11);}// draws current weather informationvoid drawCurrentWeather() {  gfx.setColor(MINI_BLACK);  //gfx.drawXbm(1, 16, 50, 50, RoundBox_bits);  //gfx.setColor(MINI_WHITE);  gfx.setTextAlignment(TEXT_ALIGN_LEFT);  gfx.setFont(Meteocons_Plain_42);  String weatherIcon = getMeteoconIcon(conditions.weatherIcon);  gfx.drawString(5, 20, weatherIcon);  // Weather Text  gfx.setColor(MINI_BLACK);  gfx.setFont(ArialMT_Plain_10);  gfx.setTextAlignment(TEXT_ALIGN_LEFT);  gfx.drawString(55, 15, DISPLAYED_CITY_NAME);  gfx.setFont(ArialMT_Plain_24);  gfx.setTextAlignment(TEXT_ALIGN_LEFT);  String degreeSign = "°F";  if (IS_METRIC) {    degreeSign = "°C";  }  String temp = conditions.currentTemp + degreeSign;  gfx.drawString(55, 25, temp);  gfx.setFont(ArialMT_Plain_10);  gfx.setTextAlignment(TEXT_ALIGN_LEFT);  gfx.drawString(55, 50, conditions.weatherText);  gfx.drawLine(0, 65, SCREEN_WIDTH, 65);}void drawForecast() {  //drawForecastDetail(SCREEN_WIDTH / 2 - 20, 15, 3);  drawForecastDetail(SCREEN_WIDTH / 2 + 22, 15, 2);  drawForecastDetail(SCREEN_WIDTH / 2 + 64, 15, 4);  drawForecastDetail(SCREEN_WIDTH / 2 + 106, 15, 6);}// helper for the forecast columnsvoid drawForecastDetail(uint16_t x, uint16_t y, uint8_t index) {  gfx.setFont(ArialMT_Plain_10);  gfx.setTextAlignment(TEXT_ALIGN_CENTER);  String day = forecasts[index].forecastTitle;  day.toUpperCase();  gfx.drawString(x + 25, y - 2, day);  gfx.setColor(MINI_BLACK);  gfx.drawString(x + 25, y + 12, forecasts[index].forecastHighTemp + "° " + forecasts[index].forecastLowTemp + "°");  gfx.setFont(Meteocons_Plain_21);  String weatherIcon = getMeteoconIcon(forecasts[index].forecastIcon);  gfx.drawString(x + 25, y + 24, weatherIcon);  gfx.drawLine(x + 2, 12, x + 2, 65);  gfx.drawLine(x + 2, 25, x + 43, 25);  /*  String hour = hourlies[index].hour;  hour.toUpperCase();  gfx.drawString(x + 25, y - 2, hour);  gfx.setColor(MINI_BLACK);  gfx.drawString(x + 25, y + 12, hourlies[index].temp + "° " + hourlies[index].PoP + "%");  gfx.setFont(Meteocons_Plain_21);  String weatherIcon = getMeteoconIcon(hourlies[index].icon);  gfx.drawString(x + 25, y + 24, weatherIcon);  gfx.drawLine(x + 2, 12, x + 2, 65);  gfx.drawLine(x + 2, 25, x + 43, 25);  */}// draw moonphase and sunrise/set and moonrise/setvoid drawAstronomy() {  gfx.setFont(MoonPhases_Regular_36);  gfx.setColor(MINI_BLACK);  gfx.setTextAlignment(TEXT_ALIGN_LEFT);  gfx.drawString(5, 72, moonAgeImage);  gfx.setFont(ArialMT_Plain_10);  gfx.drawString(55, 72, FPSTR(TEXT_SUN));  gfx.drawString(95, 72,  astronomy.sunriseTime + " - " + astronomy.sunsetTime);  gfx.drawString(55, 84, FPSTR(TEXT_MOON));  gfx.drawString(95, 84, astronomy.moonriseTime + " - " + astronomy.moonsetTime);  gfx.drawString(55, 96, FPSTR(TEXT_PHASE));  gfx.drawString(95, 96, astronomy.moonPhase);}void drawCurrentWeatherDetail() {  gfx.setFont(ArialRoundedMTBold_14);  gfx.setTextAlignment(TEXT_ALIGN_CENTER);  gfx.setColor(MINI_WHITE);  gfx.drawString(120, 2, "Current Conditions");  String degreeSign = "°F";  if (IS_METRIC) {    degreeSign = "°C";  }  drawLabelValue(0, "Temperature:", conditions.currentTemp + degreeSign);  drawLabelValue(1, "Feels Like:", conditions.feelslike + degreeSign);  drawLabelValue(2, "Dew Point:", conditions.dewPoint + degreeSign);  drawLabelValue(3, "Wind Speed:", conditions.windSpeed);  drawLabelValue(4, "Wind Dir:", conditions.windDir);  drawLabelValue(5, "Humidity:", conditions.humidity);  drawLabelValue(6, "Pressure:", conditions.pressure);  drawLabelValue(7, "Precipitation:", conditions.precipitationToday);  drawLabelValue(8, "UV:", conditions.UV);  gfx.setTextAlignment(TEXT_ALIGN_LEFT);  gfx.setColor(MINI_WHITE);  gfx.drawString(15, 185, "Description: ");  gfx.setColor(MINI_WHITE);  //gfx.drawStringMaxWidth(15, 200, 240 - 2 * 15, forecasts[0].forecastText);}void drawLabelValue(uint8_t line, String label, String value) {  const uint8_t labelX = 15;  const uint8_t valueX = 150;  gfx.setTextAlignment(TEXT_ALIGN_LEFT);  gfx.setColor(MINI_WHITE);  gfx.drawString(labelX, 30 + line * 15, label);  gfx.setColor(MINI_WHITE);  gfx.drawString(valueX, 30 + line * 15, value);}void drawBattery() {  uint8_t percentage = 100;  float adcVoltage = analogRead(A0) / 1024.0;  // This values where empirically collected  float batteryVoltage = adcVoltage * 4.945945946 -0.3957657658;  if (batteryVoltage > 4.2) percentage = 100;  else if (batteryVoltage < 3.3) percentage = 0;  else percentage = (batteryVoltage - 3.3) * 100 / (4.2 - 3.3);  gfx.setColor(MINI_BLACK);  gfx.setFont(ArialMT_Plain_10);  gfx.setTextAlignment(TEXT_ALIGN_RIGHT);  gfx.drawString(SCREEN_WIDTH - 22, -1, String(batteryVoltage, 2) + "V " + String(percentage) + "%");  gfx.drawRect(SCREEN_WIDTH - 22, 0, 19, 10);  gfx.fillRect(SCREEN_WIDTH - 2, 2, 2, 6);  gfx.fillRect(SCREEN_WIDTH - 20, 2, 16 * percentage / 100, 6);}// converts the dBm to a range between 0 and 100%int8_t getWifiQuality() {  int32_t dbm = WiFi.RSSI();  if (dbm <= -100) {    return 0;  } else if (dbm >= -50) {    return 100;  } else {    return 2 * (dbm + 100);  }}void drawWifiQuality() {  int8_t quality = getWifiQuality();  gfx.setColor(MINI_WHITE);  gfx.setTextAlignment(TEXT_ALIGN_RIGHT);  gfx.drawString(228, 9, String(quality) + "%");  for (int8_t i = 0; i < 4; i++) {    for (int8_t j = 0; j < 2 * (i + 1); j++) {      if (quality > i * 25 || j == 0) {        gfx.setPixel(230 + 2 * i, 18 - j);      }    }  }}void drawButtons() {  gfx.setColor(MINI_BLACK);  uint16_t third = SCREEN_WIDTH / 3;  gfx.setColor(MINI_BLACK);  //gfx.fillRect(0, SCREEN_HEIGHT - 12, SCREEN_WIDTH, 12);  gfx.drawLine(0, SCREEN_HEIGHT - 12, SCREEN_WIDTH, SCREEN_HEIGHT - 12);  gfx.drawLine(2 * third, SCREEN_HEIGHT - 12, 2 * third, SCREEN_HEIGHT);  gfx.setTextAlignment(TEXT_ALIGN_CENTER);  gfx.setFont(ArialMT_Plain_10);  gfx.drawString(0.5 * third, SCREEN_HEIGHT - 12, FPSTR(TEXT_CONFIG_BUTTON));  gfx.drawString(2.5 * third, SCREEN_HEIGHT - 12, FPSTR(TEXT_REFRESH_BUTTON));}String getMeteoconIcon(String iconText) {  if (iconText == "chanceflurries") return "F";  if (iconText == "chancerain") return "Q";  if (iconText == "chancesleet") return "W";  if (iconText == "chancesnow") return "V";  if (iconText == "chancetstorms") return "S";  if (iconText == "clear") return "B";  if (iconText == "cloudy") return "Y";  if (iconText == "flurries") return "F";  if (iconText == "fog") return "M";  if (iconText == "hazy") return "E";  if (iconText == "mostlycloudy") return "Y";  if (iconText == "mostlysunny") return "H";  if (iconText == "partlycloudy") return "H";  if (iconText == "partlysunny") return "J";  if (iconText == "sleet") return "W";  if (iconText == "rain") return "R";  if (iconText == "snow") return "W";  if (iconText == "sunny") return "B";  if (iconText == "tstorms") return "0";  if (iconText == "nt_chanceflurries") return "F";  if (iconText == "nt_chancerain") return "7";  if (iconText == "nt_chancesleet") return "#";  if (iconText == "nt_chancesnow") return "#";  if (iconText == "nt_chancetstorms") return "&";  if (iconText == "nt_clear") return "2";  if (iconText == "nt_cloudy") return "Y";  if (iconText == "nt_flurries") return "9";  if (iconText == "nt_fog") return "M";  if (iconText == "nt_hazy") return "E";  if (iconText == "nt_mostlycloudy") return "5";  if (iconText == "nt_mostlysunny") return "3";  if (iconText == "nt_partlycloudy") return "4";  if (iconText == "nt_partlysunny") return "4";  if (iconText == "nt_sleet") return "9";  if (iconText == "nt_rain") return "7";  if (iconText == "nt_snow") return "#";  if (iconText == "nt_sunny") return "4";  if (iconText == "nt_tstorms") return "&";  return ")";}