Wetterstation/ESP8266/Software_MQTT_Wetterstation.../mqtt.ino

105 lines
2.4 KiB
C++

/*
Json format:
{
"temp_2m": 22.45,
"temp_0m": 12.45,
"druck": 1234.56,
"feuchte": 45.4,
"helligkeit": 12345.56,
"regensensor": "256",
"uvsensor" : "1234"
}
*/
void sendmqtt() {
JsonObject& json = jsonBuffer.createObject();
json["temp_2m"] = temp;
json["temp_0m"] = bodentemp;
json["druck"] = druck;
json["feuchte"] = feuchte;
json["helligkeit"] = lux;
json["regensensor"] = regensensorwert;
json["uvsensor"] = uv;
char output[1025];
json.printTo(output, sizeof(output));
client.publish("wetter_außen/get", output);
client.publish("wetter_außen/update", "1");
jsonBuffer.clear();
}
void reconnect() {
while (!client.connected()) {
Serial.print("MQTT Verbindungsversuch...");
if (client.connect("ESP8266_Wetterstation_außen", mqtt_user, mqtt_pass)) {
Serial.println("connected");
ledoff();
client.subscribe("wetter_außen/debug/#");
client.subscribe("wetter_außen/set/#");
}
else {
Serial.print("fehlgeschlagen, rc=");
Serial.print(client.state());
Serial.println("Erneuter Versuch in 5 Sekunden");
ledon();
delay(5000);
}
}
}
void callback(char* topic, byte* payload, unsigned int length) {
Serial.print(F("Message arrived ["));
Serial.print(topic);
Serial.print(F("] "));
char message[length + 1];
for (unsigned int i = 0; i < length; i++) {
message[i] = (char)payload[i];
}
message[length] = '\0';
Serial.println(message);
String topicStr = topic;
if (topicStr.startsWith("wetter_außen/set"))
{
readsensors();
sendmqtt();
return;
}
if (topicStr.startsWith("wetter_außen/debug/reset")) {
Serial.println("MQTT RESET!");
Serial.flush();
ESP.restart();
}
if (topicStr.startsWith("wetter_außen/debug/ping")) {
Serial.println("PING");
client.publish("wetter_außen/debug/pong", message, false);
return;
}
if (topicStr.startsWith("wetter_außen/debug/wifi/ping")) {
//@author Marvin Roger - https://github.com/marvinroger/homie-esp8266/blob/ad876b2cd0aaddc7bc30f1c76bfc22cd815730d9/src/Homie/Utils/Helpers.cpp#L12
int32_t rssi;
rssi = WiFi.RSSI();
uint8_t quality;
if (rssi <= -100) {
quality = 0;
} else if (rssi >= -50) {
quality = 100;
} else {
quality = 2 * (rssi + 100);
}
char qualityString[8];
dtostrf(quality, 1, 1, qualityString);
client.publish("wetter_außen/debug/wifi/pong", qualityString);
return;
}
}