display time

src/main.cpp

@@ -80,6 +80,18 @@ void displayIcoPartial(const uint8_t bitmap[], uint16_t x, uint16_t y, uint16_t
 }
 
 
+void getTime(char* ptr, size_t maxsize, const char* format) {
+  time_t now;
+  struct tm timeinfo;
+  time(&now);        // update 'now' variable with current time
+  setenv("TZ", "CET-1CEST,M3.5.0/2,M10.5.0/3", 1);
+  tzset();
+  localtime_r(&now, &timeinfo);
+
+  strftime(ptr, maxsize, format, &timeinfo);
+}
+
+
 void printValues() {
     #define SEALEVELPRESSURE_HPA (1013.25)
     Serial.print("Temperature = ");
@@ -199,6 +211,13 @@ void loop()
       display.print("Luftdruck:");
       display.print(bme.readPressure() / 100.0F);
       display.println(" hPa");
+
+      char timeStr[9];
+      getTime(timeStr, sizeof(timeStr), "%H:%M:%S");
+      display.setCursor(5, display.height()-5);
+      display.setFont(&Org_01);
+      display.print("Zeit: ");
+      display.println(timeStr);
     }
     while (display.nextPage());
     display.powerOff();