69 lines
1.5 KiB
C++
69 lines
1.5 KiB
C++
#include <ESP8266WiFi.h>
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#include <WiFiClient.h>
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#include <PubSubClient.h>
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#define ssid "myssid"
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#define password "mypass"
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#define mqtt_server "example.com"
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#define mqtt_port 1883
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#define mqtt_user "user"
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#define mqtt_password "passwd"
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#define topic "sensor/sleeping"
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#define topic_content "toggle"
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WiFiClient espClient;
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PubSubClient client(espClient);
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void setup(void)
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{
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Serial.begin(115200);
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// Connect to WiFi network
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WiFi.begin(ssid, password);
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Serial.println("");
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// Wait for connection
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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.print("Connected to ");
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Serial.println(ssid);
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Serial.print("IP address: ");
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Serial.println(WiFi.localIP());
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client.setServer(mqtt_server, mqtt_port);
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}
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void reconnect() {
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// Loop until we're reconnected
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while (!client.connected()) {
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Serial.print("Attempting MQTT connection...");
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// Attempt to connect
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if (client.connect("ESP8266ButtonClient", mqtt_user, mqtt_password)) {
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Serial.println("connected");
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} else {
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Serial.print("failed, rc=");
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Serial.print(client.state());
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Serial.println(" try again in 5 seconds");
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// Wait 5 seconds before retrying
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delay(5000);
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}
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}
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}
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void loop(void)
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{
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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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client.publish(topic, topic_content, true);
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client.disconnect();
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Serial.println("Done with client");
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// Sleep basically forever
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ESP.deepSleep(999999999*999999999U, WAKE_NO_RFCAL);
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}
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