sem/5g_drone_ROS2
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Sem van der Hoeven
2023-05-29 14:27:24 +02:00
parent 8e4e42cf0a
commit b69bc88b66
2 changed files with 26 additions and 2 deletions
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12
api/index.js
View File

@@ -2,6 +2,8 @@ var express = require("express");
var app = express(); var app = express();
const WebSocket = require("ws"); const WebSocket = require("ws");
var last_status = {};
app.use(express.static("public")); app.use(express.static("public"));
var ws = new WebSocket("ws://10.100.0.40:9001/"); var ws = new WebSocket("ws://10.100.0.40:9001/");
@@ -14,7 +16,11 @@ ws.on("open", function open() {
ws.on("message", function message(message) { ws.on("message", function message(message) {
var msg = JSON.parse(message); var msg = JSON.parse(message);
console.log("got type: " + msg.type) if (msg.type == "STATUS") {
last_status = msg.data;
}
console.log("got type: " + msg.type);
console.log("RECEIVED: " + msg.data); console.log("RECEIVED: " + msg.data);
}); });
@@ -30,6 +36,10 @@ app.get("/", function (req, res) {
res.render("index", { api_connected: api_connected }); res.render("index", { api_connected: api_connected });
}); });
app.get("/status", function (req, res) {
res.json(last_status);
});
app.post("/move_up", function (req, res) { app.post("/move_up", function (req, res) {
console.log("got move up request"); console.log("got move up request");
var speed = req.data.speed; var speed = req.data.speed;

16
api/views/index.ejs
View File

@@ -55,8 +55,22 @@
</body> </body>
<script> <script>
window.onload = function () { var update_status = setInterval(update_status,1000);
function update_status()
{
var xhr = new XMLHttpRequest();
xhr.open("GET", "/status", true);
xhr.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
var status = JSON.parse(this.responseText);
document.getElementById("batterypercentage").innerHTML = "Battery percentage: " + status.battery_percentage;
document.getElementById("cpuload").innerHTML = "CPU load: " + status.cpu_load;
document.getElementById("speed").innerHTML = "Current speed: " + status.speed;
document.getElementById("position").innerHTML = "Current position: " + status.position;
document.getElementById("failsafe").innerHTML = "Failsafe status: " + status.failsafe;
}
};
} }
function turn_left() { function turn_left() {