87 lines
2.0 KiB
C++
87 lines
2.0 KiB
C++
#include "ThingsBoard.h"
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#include <ESP8266WiFi.h>
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#define WIFI_AP "YOUR_WIFI_AP"
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#define WIFI_PASSWORD "YOUR_WIFI_PASSWORD"
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// See https://thingsboard.io/docs/getting-started-guides/helloworld/
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// to understand how to obtain an access token
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#define TOKEN "YOUR_ACCESS_TOKEN"
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#define THINGSBOARD_SERVER "demo.thingsboard.io"
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// Baud rate for debug serial
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#define SERIAL_DEBUG_BAUD 115200
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// Initialize ThingsBoard client
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WiFiClient espClient;
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// Initialize ThingsBoard instance
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ThingsBoard tb(espClient);
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// the Wifi radio's status
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int status = WL_IDLE_STATUS;
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void setup() {
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// initialize serial for debugging
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Serial.begin(SERIAL_DEBUG_BAUD);
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WiFi.begin(WIFI_AP, WIFI_PASSWORD);
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InitWiFi();
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}
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void loop() {
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delay(1000);
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if (WiFi.status() != WL_CONNECTED) {
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reconnect();
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}
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if (!tb.connected()) {
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// Connect to the ThingsBoard
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Serial.print("Connecting to: ");
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Serial.print(THINGSBOARD_SERVER);
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Serial.print(" with token ");
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Serial.println(TOKEN);
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if (!tb.connect(THINGSBOARD_SERVER, TOKEN)) {
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Serial.println("Failed to connect");
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return;
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}
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}
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Serial.println("Sending data...");
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// Uploads new telemetry to ThingsBoard using MQTT.
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// See https://thingsboard.io/docs/reference/mqtt-api/#telemetry-upload-api
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// for more details
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tb.sendTelemetryInt("temperature", 22);
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tb.sendTelemetryFloat("humidity", 42.5);
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tb.loop();
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}
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void InitWiFi()
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{
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Serial.println("Connecting to AP ...");
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// attempt to connect to WiFi network
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WiFi.begin(WIFI_AP, WIFI_PASSWORD);
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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("Connected to AP");
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}
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void reconnect() {
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// Loop until we're reconnected
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status = WiFi.status();
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if ( status != WL_CONNECTED) {
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WiFi.begin(WIFI_AP, WIFI_PASSWORD);
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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("Connected to AP");
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}
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}
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