mirror of https://github.com/speeduino/Airbear.git
114 lines
3.0 KiB
JavaScript
114 lines
3.0 KiB
JavaScript
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//const evtSource = new EventSource("http://192.168.0.71/events");
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const evtSource = new EventSource("/events");
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var lastReadingTime = 0;
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var readsPerSecond = 0;
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window.addEventListener('load', onload);
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window.addEventListener('beforeunload', () => {
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evtSource.close();
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});
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function onload(event) {
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//initWebSocket();
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lastReading = Date.now();
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}
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evtSource.addEventListener('open', function(e) {
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console.log("Events Connected");
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}, false);
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evtSource.addEventListener("ping", function(e) {
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console.log("Ping received: " + e.data);
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}, false);
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evtSource.addEventListener("nodata", function(e) {
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console.log("AirBear cannot communicate with ECU");
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}, false);
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// Function that receives the message from the ESP32 with the readings
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evtSource.addEventListener("reading", function(e) {
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//console.log("ECU frame received");
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var arrivedTime = Date.now();
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//var arrivedTime = e.timeStamp;
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var frameTime = (arrivedTime - lastReadingTime)
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if(frameTime < 10)
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{
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//console.log("Too soon to process reading");
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return;
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}
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//console.log(e.data);
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if(arrivedTime > lastReadingTime)
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{
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var tempReadsPerSecond = Math.round( (1000 / frameTime), 0);
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readsPerSecond = smooth(tempReadsPerSecond, 0.3, readsPerSecond);
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lastReadingTime = arrivedTime;
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}
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var ecuDataFrame = JSON.parse(e.data);
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gauges[0].value = ecuDataFrame['rpm'];
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gauges[0].valueText = Math.round(ecuDataFrame['rpm']);
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var TPS_val = Math.round(ecuDataFrame['TPS']/2)
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gauges[1].value = TPS_val;
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document.getElementById("gauge2-value").innerText = TPS_val;
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gauges[2].value = ecuDataFrame['CLT'];
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document.getElementById("gauge3-value").innerText = Math.round(ecuDataFrame['CLT']);
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gauges[3].value = ecuDataFrame['IAT'];
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document.getElementById("gauge4-value").innerText = Math.round(ecuDataFrame['IAT']);
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gauges[4].value = ecuDataFrame['PW'];
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document.getElementById("gauge5-value").innerText = Math.round(ecuDataFrame['PW1']);
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gauges[5].value = ecuDataFrame['MAP'];
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document.getElementById("gauge6-value").innerText = Math.round(ecuDataFrame['MAP']);
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gauges[6].value = ecuDataFrame['AFR1'];
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document.getElementById("gauge7-value").innerText = ecuDataFrame['AFR1'];
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//gauges[2].valueText = Math.round(ecuDataFrame['IAT']);
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//gauges[3].valueText = Math.round(ecuDataFrame['CLT']);
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//gauges[3].value = ecuDataFrame['secl'];
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//addLiveDataPoint(readsPerSecond.toFixed(2));
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//document.getElementById('readSpeed').innerHTML = readsPerSecond.toFixed(2);
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}, false);
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function updateGauges()
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{
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for(var i = 0; i < gauges.length; i++)
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{
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gauges[i].update();
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}
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}
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if (navigator.userAgent.indexOf("Firefox") != -1)
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{
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//https://github.com/Mikhus/canvas-gauges/issues/251
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setInterval(updateGauges, 1000);
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}
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function smooth(newVal, filterVal, currentVal){
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if (filterVal > 1){ // check to make sure param's are within range
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filterVal = .99;
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}
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else if (filterVal <= 0){
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filterVal = 0;
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}
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var smoothedVal = (newVal * (1 - filterVal)) + (currentVal * filterVal);
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return smoothedVal;
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}
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