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check for empty result

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Sem van der Hoeven
2023-05-29 14:47:41 +02:00
parent 98a8808bed
commit cdc6fecce7
1 changed files with 12 additions and 11 deletions
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5
api/views/index.ejs
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@@ -58,8 +58,7 @@
<script>
var update_status = setInterval(update_status, 1000);
function update_status()
{
function update_status() {
// {"battery_percentage": 100.0, "cpu_usage": 0.0, "armed": false, "control_mode": "attitude", "route_setpoint": 0}}
console.log("updating status")
var xhr = new XMLHttpRequest();
@@ -67,6 +66,7 @@
xhr.onreadystatechange = function () {
if (this.status == 200) {
console.log(this.responseText);
if (this.responseText.length > 0) {
var status = JSON.parse(this.responseText);
console.log(status)
document.getElementById("batterypercentage").innerHTML = "Battery percentage: " + status.battery_percentage;
@@ -74,6 +74,7 @@
document.getElementById("armed").innerHTML = "Armed: " + status.armed;
document.getElementById("control_mode").innerHTML = "Control mode: " + status.control_mode;
}
}
};
xhr.send();
}