64 lines
1.3 KiB
C++
64 lines
1.3 KiB
C++
#include <ESP8266WiFi.h>
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#include <PubSubClient.h>
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const char* SSID = "smartroom";
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const char* PSK = "smarthome";
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const char* MQTT_BROKER = "192.168.4.1";
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WiFiClient espClient;
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PubSubClient client(espClient);
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long lastMsg = 0;
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char msg[50];
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int value = 0;
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void setup() {
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Serial.begin(115200);
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setup_wifi();
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client.setServer(MQTT_BROKER, 1883);
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}
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void setup_wifi() {
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delay(10);
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Serial.println();
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Serial.print("Connecting to ");
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Serial.println(SSID);
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WiFi.mode(WIFI_STA);
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WiFi.begin(SSID, PSK);
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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}
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Serial.println("");
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Serial.println("WiFi connected");
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Serial.println("IP address: ");
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Serial.println(WiFi.localIP());
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}
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void reconnect() {
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while (!client.connected()) {
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Serial.print("Reconnecting...");
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if (!client.connect("ESP8266Client")) {
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Serial.print("failed, rc=");
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Serial.print(client.state());
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Serial.println(" retrying in 5 seconds");
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delay(5000);
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}
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}
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}
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void loop() {
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if (!client.connected()) {
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reconnect();
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}
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client.loop();
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snprintf (msg, 50, "Alive since %ld milliseconds", millis());
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Serial.print("Publish message: ");
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Serial.println(msg);
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client.publish("/home/data",msg);
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delay(5000);
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}
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