开发一个arudinoLED通过MOTT服务器控制代码
时间: 2024-01-31 14:04:11 浏览: 23
好的,以下是一个简单的 Arduino LED 控制代码,通过 MOTT 服务器控制:
```C++
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <ESP8266HTTPClient.h>
// Replace with your network credentials
const char* ssid = "your_SSID";
const char* password = "your_PASSWORD";
// MOTT server details
const char* server = "api.meross.com";
const int port = 80;
const char* device_id = "your_device_id";
const char* key = "your_key";
// LED pin
const int ledPin = 13;
// Web server
ESP8266WebServer httpServer(80);
void setup() {
Serial.begin(9600);
pinMode(ledPin, OUTPUT);
// Connect to Wi-Fi network
WiFi.begin(ssid, password);
Serial.println("Connecting to Wi-Fi...");
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.println("Connecting...");
}
Serial.println("Connected to Wi-Fi");
// Start web server
httpServer.on("/", handleRoot);
httpServer.begin();
}
void loop() {
httpServer.handleClient();
}
void handleRoot() {
String state = httpServer.arg("state");
if (state == "on") {
digitalWrite(ledPin, HIGH);
controlDevice("on");
} else if (state == "off") {
digitalWrite(ledPin, LOW);
controlDevice("off");
}
httpServer.send(200, "text/plain", "OK");
}
void controlDevice(String state) {
// Create HTTP client
WiFiClient client;
if (!client.connect(server, port)) {
Serial.println("Connection failed");
return;
}
// Create JSON payload
String payload = String("{\"header\":{\"messageId\":\"12345678901234567890123456789012\",\"method\":\"SET\",\"namespace\":\"Appliance.Control.Toggle\",\"payloadVersion\":1},\"payload\":{\"togglex\":{\"onoff\":") + state + String("},\"channel\":0}}");
// Create HTTP request
String url = String("/config/v1/switch/") + device_id + String("/0");
HTTPClient http;
http.begin(client, server, port, url);
http.addHeader("Authorization", key);
http.addHeader("Content-Type", "application/json");
int httpCode = http.PUT(payload);
http.end();
// Check HTTP response
if (httpCode > 0) {
Serial.printf("[HTTP] PUT... code: %d\n", httpCode);
if (httpCode == HTTP_CODE_OK) {
String payload = http.getString();
Serial.println(payload);
}
} else {
Serial.println("HTTP request failed");
}
}
```
这个代码假设你已经在 MOTT 平台上创建了一个开关设备,并且有一个设备 ID 和 API 密钥。你需要将这些信息替换为代码中的 `device_id` 和 `key`。
你可以使用一个简单的 HTML 页面与该代码进行交互。以下是一个示例页面:
```HTML
<!DOCTYPE html>
<html>
<head>
<title>LED Control</title>
<meta charset="utf-8">
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$("#on").click(function() {
$.get("?state=on");
});
$("#off").click(function() {
$.get("?state=off");
});
});
</script>
</head>
<body>
<button id="on">ON</button>
<button id="off">OFF</button>
</body>
</html>
```
你可以将该页面保存为 `index.html` 并上传到你的 Arduino 板上。然后通过浏览器访问该页面,即可控制 LED 灯。
请注意,代码中的 `controlDevice` 函数使用 MOTT 平台的 REST API 来控制开关设备。该函数发送一个 PUT 请求,将设备的状态设置为打开或关闭。在实际应用中,你需要根据你的设备类型和 MOTT 平台的 API 文档来修改该函数。