#define TZ +1 // (utc+) TZ in hours
#define DST_MN 60 // use 60mn for summer time in some countries
// Setup
const int UPDATE_INTERVAL_SECS = 10 * 60; // Update every 20 minutes
// Display Settings
const int I2C_DISPLAY_ADDRESS = 0x3c;
#define OLED_RESET -1
#if defined(ESP8266)
const int SDA_PIN = D2; //"D3;
const int SDC_PIN = D3; //"D4;
#else
const int SDA_PIN = D5; //D3;
const int SDC_PIN = D4; //D4;
#endif
// DHT Settings
#define DHTPIN D6 // NodeMCU pin 12 = D6 or pin 14 = D5
//#define DHTPIN D6 // Wemos D1R2 Mini
#define DHTTYPE DHT11 // DHT22 (AM2302), AM2321
char FormattedTemperature[10];
char FormattedHumidity[10];
// OpenWeatherMap Settings
// Sign up here to get an API key:
//
https://docs.thingpulse.com/how-tos/openweathermap-key/
String OPEN_WEATHER_MAP_APP_ID = "0f2ab630b33fa101210179f4e96deef1";
/*
Go to
https://openweathermap.org/find?q= and search for a location. Go through the
result set and select the entry closest to the actual location you want to display
data for. It'll be a URL like
https://openweathermap.org/city/2657896. The number
at the end is what you assign to the constant below.
*/
String OPEN_WEATHER_MAP_LOCATION_ID = "2673730";
// Pick a language code from this list:
// Arabic - ar, Bulgarian - bg, Catalan - ca, Czech - cz, German - de, Greek - el,
// English - en, Persian (Farsi) - fa, Finnish - fi, French - fr, Galician - gl,
// Croatian - hr, Hungarian - hu, Italian - it, Japanese - ja, Korean - kr,
// Latvian - la, Lithuanian - lt, Macedonian - mk, Dutch - nl, Polish - pl,
// Portuguese - pt, Romanian - ro, Russian - ru, Swedish - se, Slovak - sk,
// Slovenian - sl, Spanish - es, Turkish - tr, Ukrainian - ua, Vietnamese - vi,
// Chinese Simplified - zh_cn, Chinese Traditional - zh_tw.
String OPEN_WEATHER_MAP_LANGUAGE = "se";
const uint8_t MAX_FORECASTS = 3;
const boolean IS_METRIC = true;
// Adjust according to your language
//const String WDAY_NAMES[] = {"SUN", "MON", "TUE", "WED", "THU", "FRI", "SAT"};
const String WDAY_NAMES[] = {"SÖN", "MÅN", "TIS", "ONS", "TOR", "FRE", "LÖR"};
const String MONTH_NAMES[] = {"JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC"};
/***************************
* End Settings
**************************/
// Initialize the oled display for address 0x3c
// sda-pin=14 and sdc-pin=12
SSD1306Wire display(I2C_DISPLAY_ADDRESS, SDA_PIN, SDC_PIN);
OLEDDisplayUi ui( &display );
OpenWeatherMapCurrentData currentWeather;
OpenWeatherMapCurrent currentWeatherClient;
OpenWeatherMapForecastData forecasts[MAX_FORECASTS];
OpenWeatherMapForecast forecastClient;
#define TZ_MN ((TZ)*60)
#define TZ_SEC ((TZ)*3600)
#define DST_SEC ((DST_MN)*60)
time_t now;
// flag changed in the ticker function every 10 minutes
bool readyForWeatherUpdate = false;
// flag changed in the ticker function every 1 minute
bool readyForDHTUpdate = false;
String lastUpdate = "--";
long timeSinceLastWUpdate = 0;
//declaring prototypes
void drawProgress(OLEDDisplay *display, int percentage, String label);
void updateData(OLEDDisplay *display);
void drawDateTime(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y);
void drawCurrentWeather(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y);
void drawForecast(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y);
void drawForecastDetails(OLEDDisplay *display, int x, int y, int dayIndex);
void drawHeaderOverlay(OLEDDisplay *display, OLEDDisplayUiState* state);
void drawIndoor(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y);
void setReadyForWeatherUpdate();
// Initialize the temperature/ humidity sensor
DHT dht(DHTPIN, DHTTYPE);
float humidity = 0.0;
float temperature = 0.0;
// Add frames
// this array keeps function pointers to all frames
// frames are the single views that slide from right to left
FrameCallback frames[] = { drawDateTime, drawCurrentWeather, drawForecast, drawIndoor };
int numberOfFrames = 4;
OverlayCallback overlays[] = { drawHeaderOverlay };
int numberOfOverlays = 1;
void setup() {
Serial.begin(9600);
Serial.println();
Serial.println();
// initialize dispaly
display.init();
display.clear();
display.display();
//display.flipScreenVertically();
display.setFont(ArialMT_Plain_10);
display.setTextAlignment(TEXT_ALIGN_CENTER);
display.setContrast(155);
WiFi.begin(WIFI_SSID, WIFI_PWD);
int counter = 0;
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
display.clear();
display.drawString(64, 10, "Ansluter WiFi");
display.drawXbm(46, 30, 8, 8, counter % 3 == 0 ? activeSymbole : inactiveSymbole);
display.drawXbm(60, 30, 8, 8, counter % 3 == 1 ? activeSymbole : inactiveSymbole);
display.drawXbm(74, 30, 8, 8, counter % 3 == 2 ? activeSymbole : inactiveSymbole);
display.display();
counter++;
}
// Get time from network time service
configTime(TZ_SEC, DST_SEC, "pool.ntp.org");
ui.setTargetFPS(30);
ui.setActiveSymbol(activeSymbole);
ui.setInactiveSymbol(inactiveSymbole);
// You can change this to
// TOP, LEFT, BOTTOM, RIGHT
ui.setIndicatorPosition(BOTTOM);
// Defines where the first frame is located in the bar.
ui.setIndicatorDirection(LEFT_RIGHT);
// You can change the transition that is used
// SLIDE_LEFT, SLIDE_RIGHT, SLIDE_TOP, SLIDE_DOWN
ui.setFrameAnimation(SLIDE_LEFT);
ui.setFrames(frames, numberOfFrames);
ui.setOverlays(overlays, numberOfOverlays);
// Inital UI takes care of initalising the display too.
ui.init();
Serial.println("");
updateData(&display);
}
void loop() {
if (millis() - timeSinceLastWUpdate > (1000L*UPDATE_INTERVAL_SECS)) {
setReadyForWeatherUpdate();
timeSinceLastWUpdate = millis();
}
if (readyForWeatherUpdate && ui.getUiState()->frameState == FIXED) {
updateData(&display);
}
if (readyForDHTUpdate && ui.getUiState()->frameState == FIXED)
updateDHT();
int remainingTimeBudget = ui.update();
if (remainingTimeBudget > 0) {
// You can do some work here
// Don't do stuff if you are below your
// time budget.
delay(remainingTimeBudget);
}
}
void drawProgress(OLEDDisplay *display, int percentage, String label) {
display->clear();
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->setFont(ArialMT_Plain_10);
display->drawString(64, 10, label);
display->drawProgressBar(2, 28, 124, 10, percentage);
display->display();
}
void updateData(OLEDDisplay *display) {
drawProgress(display, 10, "Uppdaterar Tid...");
drawProgress(display, 30, "Uppdaterar Väder...");
currentWeatherClient.setMetric(IS_METRIC);
currentWeatherClient.setLanguage(OPEN_WEATHER_MAP_LANGUAGE);
currentWeatherClient.updateCurrentById(¤tWeather, OPEN_WEATHER_MAP_APP_ID, OPEN_WEATHER_MAP_LOCATION_ID);
drawProgress(display, 50, "Uppdaterar Prognos...");
forecastClient.setMetric(IS_METRIC);
forecastClient.setLanguage(OPEN_WEATHER_MAP_LANGUAGE);
uint8_t allowedHours[] = {12};
forecastClient.setAllowedHours(allowedHours, sizeof(allowedHours));
forecastClient.updateForecastsById(forecasts, OPEN_WEATHER_MAP_APP_ID, OPEN_WEATHER_MAP_LOCATION_ID, MAX_FORECASTS);
readyForWeatherUpdate = false;
drawProgress(display, 100, "Klart...");
delay(1000);
drawProgress(display, 70, "Uppdaterar Sensorn");
humidity = dht.readHumidity();
drawProgress(display, 80, "Uppdaterar Sensorn");
temperature = dht.readTemperature(!IS_METRIC);
delay(2000);
}
// Called every 1 minute
void updateDHT() {
humidity = dht.readHumidity();
temperature = dht.readTemperature(!IS_METRIC);
readyForDHTUpdate = false;
}
void drawDateTime(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) {
now = time(nullptr);
struct tm* timeInfo;
timeInfo = localtime(&now);
char buff[16];
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->setFont(ArialMT_Plain_10);
String date = WDAY_NAMES[timeInfo->tm_wday];
sprintf_P(buff, PSTR("%s, %02d/%02d/%04d"), WDAY_NAMES[timeInfo->tm_wday].c_str(), timeInfo->tm_mday, timeInfo->tm_mon+1, timeInfo->tm_year + 1900);
display->drawString(64 + x, 5 + y, String(buff));
display->setFont(ArialMT_Plain_24);
sprintf_P(buff, PSTR("%02d:%02d:%02d"), timeInfo->tm_hour, timeInfo->tm_min, timeInfo->tm_sec);
display->drawString(64 + x, 15 + y, String(buff));
display->setTextAlignment(TEXT_ALIGN_LEFT);
}
void drawCurrentWeather(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) {
display->setFont(ArialMT_Plain_10);
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->drawString(64 + x, 38 + y, currentWeather.description);
display->setFont(ArialMT_Plain_24);
display->setTextAlignment(TEXT_ALIGN_LEFT);
String temp = String(currentWeather.temp, 1) + (IS_METRIC ? "°C" : "°F");
display->drawString(60 + x, 5 + y, temp);
display->setFont(Meteocons_Plain_36);
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->drawString(32 + x, 0 + y, currentWeather.iconMeteoCon);
}
void drawForecast(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) {
drawForecastDetails(display, x, y, 0);
drawForecastDetails(display, x + 44, y, 1);
drawForecastDetails(display, x + 88, y, 2);
}
void drawForecastDetails(OLEDDisplay *display, int x, int y, int dayIndex) {
time_t observationTimestamp = forecasts[dayIndex].observationTime;
struct tm* timeInfo;
timeInfo = localtime(&observationTimestamp);
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->setFont(ArialMT_Plain_10);
display->drawString(x + 20, y, WDAY_NAMES[timeInfo->tm_wday]);
display->setFont(Meteocons_Plain_21);
display->drawString(x + 20, y + 12, forecasts[dayIndex].iconMeteoCon);
String temp = String(forecasts[dayIndex].temp, 0) + (IS_METRIC ? "°C" : "°F");
display->setFont(ArialMT_Plain_10);
display->drawString(x + 20, y + 34, temp);
display->setTextAlignment(TEXT_ALIGN_LEFT);
}
void drawIndoor(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) {
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->setFont(ArialMT_Plain_10);
display->drawString(64 + x, 0, "Inomhus");
display->setFont(ArialMT_Plain_16);
dtostrf(temperature,4, 1, FormattedTemperature);
display->drawString(64 + x, 12, "Temp:" + String(FormattedTemperature) + (IS_METRIC ? "°C": "°F"));
dtostrf(humidity,4, 1, FormattedHumidity);
display->drawString(64+x, 30, "Fukt:" + String(FormattedHumidity) + "%");
}
void drawHeaderOverlay(OLEDDisplay *display, OLEDDisplayUiState* state) {
now = time(nullptr);
struct tm* timeInfo;
timeInfo = localtime(&now);
char buff[14];
sprintf_P(buff, PSTR("%02d:%02d"), timeInfo->tm_hour, timeInfo->tm_min);
display->setColor(WHITE);
display->setFont(ArialMT_Plain_10);
display->setTextAlignment(TEXT_ALIGN_LEFT);
display->drawString(0, 54, String(buff));
display->setTextAlignment(TEXT_ALIGN_RIGHT);
String temp = String(currentWeather.temp, 1) + (IS_METRIC ? "°C" : "°F");
display->drawString(128, 54, temp);
display->drawHorizontalLine(0, 52, 128);
}
void setReadyForWeatherUpdate() {
Serial.println("Setting readyForUpdate to true");
readyForWeatherUpdate = true;
}
void setReadyForDHTUpdate() {
Serial.println("Setting readyForDHTUpdate to true");
readyForDHTUpdate = true;
}