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#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <time.h>
#include "FS.h"
#include "SPIFFS.h"
// OLED
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
// Wi-Fi
const char* ssid = "xxxxxx";
const char* password = "xxxxxxx";
// Coordonnées GPS
const float latitude = 45.658952;
const float longitude = 5.27877;
// Fuseau horaire local (ex: Paris = UTC+2 en été)
const long gmtOffset_sec = 2* 3600; // <====
const int daylightOffset_sec = 0;
// NTP
const char* ntpServer = "pool.ntp.org"; // <====
String sunriseLocal, sunsetLocal, dateStr;
int dernierJour = -1;
void setup() {
Serial.begin(115200);
if (!SPIFFS.begin(true)) {
Serial.println("Erreur SPIFFS");
}
// OLED
if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
Serial.println(F("Écran OLED non détecté"));
while (true);
}
display.clearDisplay();
display.setTextColor(SSD1306_WHITE);
display.setTextSize(1);
display.setCursor(0, 0);
display.println("Connexion WiFi...");
display.display();
// Wi-Fi
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
}
Serial.println(WiFi.localIP());
// NTP
configTime(gmtOffset_sec, daylightOffset_sec, ntpServer);
// Première récupération et affichage
updateEph();
// Attente pour éviter redémarrage rapide
delay(2000);
}
void loop() {
// Vérifie si un nouveau jour a commencé
struct tm timeinfo;
if (getLocalTime(&timeinfo)) {
if (timeinfo.tm_mday != dernierJour) {
updateEph(); // Nouveau jour → maj
}
}
delay(60000); // Vérifie toutes les minutes
}
void updateEph() {
struct tm timeinfo;
if (!getLocalTime(&timeinfo)) {
Serial.println("Erreur temps local");
return;
}
char dateBuf[20];
strftime(dateBuf, sizeof(dateBuf),"%d-%m-%Y", &timeinfo);
dateStr = String(dateBuf);
dernierJour = timeinfo.tm_mday;
getSunriseSunset(latitude, longitude);
updateDisplay();
saveToHistory(dateStr, sunriseLocal, sunsetLocal);
}
void getSunriseSunset(float lat, float lon) {
HTTPClient http;
String url = "https://api.sunrise-sunset.org/json?lat=" + String(lat, 6) + "&lng=" + String(lon, 6) + "&formatted=0";
http.begin(url);
int httpCode = http.GET();
if (httpCode == 200) {
String payload = http.getString();
DynamicJsonDocument doc(2048);
DeserializationError error = deserializeJson(doc, payload);
if (!error) {
String sunriseUTC = doc["results"]["sunrise"];
String sunsetUTC = doc["results"]["sunset"];
sunriseLocal = convertToLocal(sunriseUTC);
sunsetLocal = convertToLocal(sunsetUTC);
}
}
http.end();
}
String convertToLocal(String iso8601) {
struct tm t;
int year, month, day, hour, minute, second;
sscanf(iso8601.c_str(), "%d-%d-%dT%d:%d:%d", &year, &month, &day, &hour, &minute, &second);
t.tm_year = year - 1900;
t.tm_mon = month - 1;
t.tm_mday = day;
t.tm_hour = hour;
t.tm_min = minute;
t.tm_sec = second;
t.tm_isdst = -1;
time_t utcTime = mktime(&t); // UTC
utcTime += gmtOffset_sec; // Décalage vers local
struct tm *local = localtime(&utcTime);
char buf[6];
sprintf(buf, "%02d:%02d", local->tm_hour, local->tm_min);
return String(buf);
}
void updateDisplay() {
display.clearDisplay();
display.setCursor(0, 0);
display.println("Eph. (heure locale)");
display.println("Date : " + dateStr);
display.println("Lever : " + sunriseLocal);
display.println("Coucher: " + sunsetLocal);
display.display();
Serial.println("Affichage mis a jour");
}
void saveToHistory(String date, String sunrise, String sunset) {
File file = SPIFFS.open("/histo.txt", FILE_APPEND);
if (!file) {
Serial.println("Erreur ouverture fichier histo.txt");
return;
}
String line = date + " | Lever : " + sunrise + " | Coucher : " + sunset + "\n";
file.print(line);
file.close();
Serial.println("Historique sauvegardé : " + line);
} |
