Initial commit

vremenska-postaja.ino

@@ -0,0 +1,96 @@
+#include <Wire.h> 
+#include <ArduinoJson.h>
+#include <TEWeatherShield.h>
+#include <LiquidCrystal_I2C.h>
+
+LiquidCrystal_I2C lcd(0x27, 16, 2);
+static TEWeatherShield weatherShield;
+
+void setup() {
+  Serial.begin(9600);
+  weatherShield.begin();
+
+  lcd.init();
+  lcd.backlight();
+  lcd.println("Vremenska postaja");
+  lcd.clear();
+}
+
+void printLCD(float temperature, float humidity, float pressure) {
+    lcd.clear();
+
+    String temp = "T: " + (String)temperature + " C";
+    lcd.setCursor(2, 0);
+    lcd.print(temp);
+
+    String hum = "H: " + (String)humidity + " %RH";
+    lcd.setCursor(2, 1);
+    lcd.print(hum);
+
+    delay(10000);
+
+    String pres = "P: " + (String)pressure + " hPa";
+    lcd.setCursor(2, 1);
+    lcd.print(pres);
+}
+
+float measure_htu21d(int data) {
+  float temperature;
+  float humidity;
+  
+  weatherShield.selectHTU21D();
+
+  if (weatherShield.HTU21D.is_connected()) {
+    weatherShield.HTU21D.set_i2c_master_mode(htu21_i2c_no_hold);       
+    weatherShield.HTU21D.read_temperature_and_relative_humidity(&temperature, &humidity); 
+
+    if (data == 0) {
+      return temperature;
+    } else {
+      return humidity;
+    }
+  }
+  else {
+    lcd.setCursor(2, 0);
+    lcd.print("Napaka senzorja 1!");
+  }
+}
+
+float measure_ms5637(int data) {
+  float temperature;
+  float pressure;
+  
+  weatherShield.selectMS5637();
+
+  if (weatherShield.MS5637.is_connected()) {    
+    weatherShield.MS5637.read_temperature_and_pressure(&temperature, &pressure);
+
+    if (data == 0) {
+      return temperature;
+    } else {
+      return pressure;
+    }
+  }
+  else {
+    lcd.setCursor(2, 0);
+    lcd.print("Napaka senzorja 2!");  }
+}
+
+void loop() {    
+  StaticJsonDocument<100> jsonBuffer;
+  
+  float temperature = measure_ms5637(0);
+  float pressure = measure_ms5637(1);
+  float humidity = measure_htu21d(1);
+
+  printLCD(temperature, humidity, pressure);
+
+  jsonBuffer["temperature"] = temperature;
+  jsonBuffer["humidity"] = humidity;
+  jsonBuffer["pressure"] = pressure;
+
+  serializeJson(jsonBuffer, Serial);
+  Serial.println();
+
+  delay(2000);
+}