mirror of https://github.com/DJ2LS/FreeDATA
63 lines
1.4 KiB
JavaScript
63 lines
1.4 KiB
JavaScript
"use strict";
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/*
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function connectWebSocket(spectrum) {
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// var ws = new WebSocket("ws://" + window.location.host + "/websocket");
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var ws = new WebSocket("ws://192.168.178.163:3000");
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ws.onopen = function(evt) {
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console.log("connected!");
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}
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ws.onclose = function(evt) {
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console.log("closed");
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setTimeout(function() {
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connectWebSocket(spectrum);
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}, 1000);
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}
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ws.onerror = function(evt) {
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console.log("error: " + evt.message);
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}
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ws.onmessage = function (evt) {
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var data = JSON.parse(evt.data);
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if (data.s) {
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spectrum.addData(data.s);
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} else {
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if (data.center) {
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spectrum.setCenterHz(data.center);
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}
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if (data.span) {
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spectrum.setSpanHz(data.span);
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}
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}
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}
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}
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*/
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function main() {
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// Create spectrum object on canvas with ID "waterfall"
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var spectrum = new Spectrum("waterfall", {
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spectrumPercent: 20,
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});
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// Connect to websocket
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//connectWebSocket(spectrum);
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//spectrum.setCenterHz("2000");
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//spectrum.setSpanHz("1");
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/*
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for (var i = 0; i < 1000; i++) {
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var randomstring = Math.floor(Math.random())
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spectrum.addData(randomstring.toString());
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// more statements
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}
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*/
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// Bind keypress handler
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window.addEventListener("keydown", function (e) {
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spectrum.onKeypress(e);
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});
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}
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window.onload = main;
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