Inital commit

src/main.cpp

@@ -0,0 +1,164 @@
+#include <Arduino.h>
+#include <ArduinoJson.h>
+#include <Wire.h>
+#include <ESP8266WiFi.h>
+#include <PubSubClient.h>
+#include <config.h>
+
+// Default(A) SHT30 I2C address is 0x44 
+// B SHT30 I2C address is 0x45
+#define Addr 0x44
+
+//WIFI
+const char* ssid = CONFIG_WIFI_SSID; // Enter your WiFi name
+const char* password =  CONFIG_WIFI_PASS; // Enter WiFi password
+
+//MQTT
+const char* mqttServer = CONFIG_MQTT_HOST;
+const char* mqttUser = CONFIG_MQTT_USER;
+const int mqttPort = CONFIG_MQTT_PORT;
+const char* mqttPassword = CONFIG_MQTT_PASS;
+const char* mqttClientId = CONFIG_MQTT_CLIENT_ID; 
+
+//Domoticz
+const char* domotopic = CONFIG_MQTT_TOPIC;
+const int idxcomb = CONFIG_MQTT_IDX_Comb;
+const int idxtemp = CONFIG_MQTT_IDX_Temp;
+const int idxhum = CONFIG_MQTT_IDX_Hum;
+
+WiFiClient espClient;
+PubSubClient client(espClient);
+
+void setup() {
+  // Initialise I2C communication as MASTER
+  Wire.begin(0, 2);
+  // Initialise serial communication, set baud rate = 9600
+  Serial.begin(9600);
+  
+ 
+  if (CONFIG_IP_STATIC == 1){
+    if (!WiFi.config(local_IP, gateway, subnet,dns)) {
+      Serial.println("Static IP configration error");
+    }
+  } 
+  WiFi.begin(ssid, password);
+
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.println("Connecting to WiFi..");
+  }
+  Serial.println("Connected to the WiFi");
+  Serial.println("IP address: ");
+  Serial.println(WiFi.localIP());
+
+  client.setServer(mqttServer, mqttPort);
+  while (!client.connected()) {
+    Serial.println("Connecting to MQTT...");
+ 
+    if (client.connect("TempOutdoor", mqttUser, mqttPassword )) {
+ 
+      Serial.println("Connected to MQTT");  
+ 
+    } else {
+ 
+      Serial.print("failed with state ");
+      Serial.print(client.state());
+      delay(2000);
+ 
+    }
+  }
+}
+
+void loop()
+{
+
+//WiFi Check 
+  if ( WiFi.status() != WL_CONNECTED ) {
+    Serial.println("WiFi disconnected");
+    WiFi.disconnect();
+    WiFi.begin(ssid, password); 
+    while (WiFi.status() != WL_CONNECTED) {
+      delay(1000);
+      Serial.println("Connecting to WiFi..");
+    }
+  Serial.println("Connected to the WiFi");
+  Serial.println("IP address: ");
+  Serial.println(WiFi.localIP()); 
+  }
+
+//MQTT Check
+  while (!client.connected()) {
+    client.connect("TempOutdoor", mqttUser, mqttPassword);
+  }
+
+  unsigned int data[6];
+ 
+  // Start I2C Transmission
+  Wire.beginTransmission(Addr);
+  // Send measurement command
+  Wire.write(0x2C);
+  Wire.write(0x06);
+  // Stop I2C transm ission
+  Wire.endTransmission();
+  delay(500);
+ 
+  // Request 6 bytes of data
+  Wire.requestFrom(Addr, 6);
+ 
+  // Read 6 bytes of data
+  // cTemp msb, cTemp lsb, cTemp crc, humidity msb, humidity lsb, humidity crc
+  if (Wire.available() == 6)
+  {
+    data[0] = Wire.read();
+    data[1] = Wire.read();
+    data[2] = Wire.read();
+    data[3] = Wire.read();
+    data[4] = Wire.read();
+    data[5] = Wire.read();
+  }
+ 
+  // Convert the data
+  float cTemp = ((((data[0] * 256.0) + data[1]) * 175) / 65535.0) - 45;
+  float CalcHumidity = ((((data[3] * 256.0) + data[4]) * 100) / 65535.0);
+  int RoundHumidity = CalcHumidity;
+  // Output data to serial monitor
+  Serial.print("Relative Humidity : ");
+  Serial.print(CalcHumidity);
+  Serial.println(" %RH");
+  Serial.print("Temperature in Celsius : ");
+  Serial.print(cTemp);
+  Serial.println(" C");
+
+  StaticJsonDocument<100> JSONHum;
+  StaticJsonDocument<100> JSONTemp;
+  StaticJsonDocument<100> JSONComb;
+
+  JSONHum["idx"] = idxhum;
+  JSONHum["nvalue"] = RoundHumidity;
+  JSONHum["svalue"] = "0";
+ 
+  JSONTemp["idx"] = idxtemp;
+  JSONTemp["nvalue"] = 0;
+  JSONTemp["svalue"] =  String(cTemp) ;
+
+  JSONComb["idx"] = idxcomb;
+  JSONComb["nvalue"] = 0;
+  JSONComb["svalue"] = String(cTemp) + String(";") + String(CalcHumidity) + String(";0");
+
+  char buffer1[256];
+  char buffer2[256];
+  char buffer3[256];
+  serializeJson(JSONTemp, buffer1);
+  serializeJson(JSONHum, buffer2);
+  serializeJson(JSONComb, buffer3);
+
+  if (client.publish(domotopic, buffer1) == true) {
+    Serial.println("Published MQTT messages");
+    } else {
+        Serial.println("Error sending MQTT messages");
+    }
+  client.publish(domotopic, buffer2);
+  client.publish(domotopic, buffer3);
+  client.loop();
+  delay(60000); //1min
+}