1 | <!DOCTYPE html> |
2 | <html lang="es"> |
3 | |
4 | <head> |
5 | |
6 | <meta charset="utf-8"> |
7 | <meta name="viewport" content="width=device-width"> |
8 | |
9 | <title>IoT</title> |
10 | |
11 | <script src="paho.javascript-1.0.3/paho-mqtt-min.js"></script> |
12 | |
13 | </head> |
14 | |
15 | <body> |
16 | |
17 | <h1>IoT</h1> |
18 | |
19 | <p> |
20 | <output id="salida"> |
21 | <progress max="100">Cargando…</progress> |
22 | </output> |
23 | </p> |
24 | |
25 | <p> |
26 | <button type="button" onclick="clicEnBoton()"> |
27 | Enviar |
28 | </button> |
29 | </p> |
30 | |
31 | <script type="module"> |
32 | |
33 | import { exportaAHtml } from "./lib/js/exportaAHtml.js" |
34 | import { creaIdCliente } from "./lib/js/creaIdCliente.js" |
35 | import { falloEnLaConexionMqtt } from "./lib/js/falloEnLaConexionMqtt.js" |
36 | import { conexionMqttPerdida } from "./lib/js/conexionMqttPerdida.js" |
37 | import { muestraError } from "./lib/js/muestraError.js" |
38 | |
39 | |
40 | const TOPICO_FOCO = "gilpgdm/IoT/foco" |
41 | |
42 | let valor = "0" |
43 | |
44 | |
45 | const clientId = creaIdCliente("gilpgdmIoT-") |
46 | |
47 | |
48 | const cliente = new Paho.MQTT.Client("test.mosquitto.org", 8081, clientId) |
49 | |
50 | function clicEnBoton() { |
51 | try { |
52 | enviaMensajeMqtt(valor === '1' ? '0' : '1', TOPICO_FOCO) |
53 | } catch (error) { |
54 | muestraError(error) |
55 | } |
56 | } |
57 | exportaAHtml(clicEnBoton) |
58 | |
59 | |
60 | cliente.onMessageArrived = mensaje => { |
61 | if (mensaje.destinationName === TOPICO_FOCO) { |
62 | valor = mensaje.payloadString |
63 | salida.value = valor === "1" ? "🔴" : "⚪" |
64 | } |
65 | } |
66 | |
67 | |
68 | cliente.onConnectionLost = conexionMqttPerdida |
69 | |
70 | |
71 | cliente.connect({ |
72 | |
73 | keepAliveInterval: 10, |
74 | |
75 | useSSL: true, |
76 | |
77 | |
78 | onFailure: falloEnLaConexionMqtt, |
79 | |
80 | |
81 | onSuccess: () => { |
82 | console.log("Conectado") |
83 | |
84 | cliente.subscribe(TOPICO_FOCO) |
85 | |
86 | enviaMensajeMqtt(valor, TOPICO_FOCO) |
87 | }, |
88 | |
89 | }) |
90 | |
91 | |
92 | |
93 | |
94 | |
95 | |
96 | |
97 | function enviaMensajeMqtt(mensaje, topico) { |
98 | const mensajeMqtt = new Paho.MQTT.Message(mensaje) |
99 | mensajeMqtt.destinationName = topico |
100 | cliente.send(mensajeMqtt) |
101 | } |
102 | |
103 | </script> |
104 | |
105 | </body> |
106 | |
107 | </html> |