mirror of
https://codeberg.org/mclemens/wt32powermeter.git
synced 2024-12-22 10:07:40 -05:00
317 lines
15 KiB
C
317 lines
15 KiB
C
const char JAVASCRIPT[] PROGMEM = R"=====(
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<script>
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var vu_meters_loaded = false;
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// Function for drawing the LED bar graphs
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function vumeter(elem, config){
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// Settings
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var max = config.max || 100;
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var boxCount = config.boxCount || 10;
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var boxCountRed = config.boxCountRed || 2;
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var boxCountYellow = config.boxCountYellow || 3;
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var boxGapFraction = config.boxGapFraction || 0.2;
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var jitter = 0;//config.jitter || 0.02;
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// Colours
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var redOn = 'rgba(255,47,30,0.9)';
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var redOff = 'rgba(64,12,8,0.9)';
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var yellowOn = 'rgba(255,215,5,0.9)';
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var yellowOff = 'rgba(64,53,0,0.9)';
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var greenOn = 'rgba(53,255,30,0.9)';
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var greenOff = 'rgba(13,64,8,0.9)';
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// Derived and starting values
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var width = elem.width;
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var height = elem.height;
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var curVal = 0;
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// Gap between boxes and box height
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var boxHeight = height / (boxCount + (boxCount+1)*boxGapFraction);
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var boxGapY = boxHeight * boxGapFraction;
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var boxWidth = width - (boxGapY*2);
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var boxGapX = (width - boxWidth) / 2;
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// Canvas starting state
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var c = elem.getContext('2d');
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// Main draw loop
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var draw = function(){
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var targetVal = parseInt(elem.dataset.val, 10);
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// Gradual approach
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if (curVal <= targetVal){
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curVal += (targetVal - curVal) / 5;
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} else {
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curVal -= (curVal - targetVal) / 5;
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}
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curVal = targetVal;
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// Apply jitter
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if (jitter > 0 && curVal > 0){
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var amount = (Math.random()*jitter*max);
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if (Math.random() > 0.5){
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amount = -amount;
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}
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curVal += amount;
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}
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if (curVal < 0) {
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curVal = 0;
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}
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c.save();
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c.beginPath();
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c.rect(0, 0, width, height);
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c.fillStyle = 'rgb(32,32,32)';
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c.fill();
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c.restore();
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drawBoxes(c, curVal);
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requestAnimationFrame(draw);
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};
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// Draw the boxes
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function drawBoxes(c, val){
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c.save();
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c.translate(boxGapX, boxGapY);
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for (var i = 0; i < boxCount; i++){
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var id = getId(i);
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c.beginPath();
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if (isOn(id, val)){
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c.shadowBlur = 10;
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c.shadowColor = getBoxColor(id, val);
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}
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c.rect(0, 0, boxWidth, boxHeight);
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c.fillStyle = getBoxColor(id, val);
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c.fill();
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c.translate(0, boxHeight + boxGapY);
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}
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c.restore();
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}
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// Get the color of a box given it's ID and the current value
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function getBoxColor(id, val){
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// on colours
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if (id > boxCount - boxCountRed){
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return isOn(id, val)? redOn : redOff;
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}
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if (id > boxCount - boxCountRed - boxCountYellow){
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return isOn(id, val)? yellowOn : yellowOff;
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}
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return isOn(id, val)? greenOn : greenOff;
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}
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function getId(index){
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// The ids are flipped, so zero is at the top and
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// boxCount-1 is at the bottom. The values work
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// the other way around, so align them first to
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// make things easier to think about.
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return Math.abs(index - (boxCount - 1)) + 1;
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}
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function isOn(id, val){
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// We need to scale the input value (0-max)
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// so that it fits into the number of boxes
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var maxOn = Math.ceil((val/max) * boxCount);
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return (id <= maxOn);
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}
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draw();
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}
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setInterval(function() {
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getDATA();
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}, 500);
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function load_vu_meters() {
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vumeter(fwd_vu_meter, {
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"boxCount": 10,
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"boxGapFraction": 0.25,
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"max": strtoint(data[12]*1000000),
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});
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vumeter(ref_vu_meter, {
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"boxCount": 10,
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"boxGapFraction": 0.25,
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"max": strtoint(data[13]*1000000),
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});
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vumeter(swr_vu_meter, {
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"boxCount": 10,
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"boxGapFraction": 0.25,
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"max": strtoint((data[14]-1)*100),
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});
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}
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// plays a beep sound
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function beep() {
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var snd = new Audio("data:audio/wav;base64,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");
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snd.play();
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}
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// Converts a String to Integer
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function strtoint(x) {
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const parsed = parseInt(x);
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if (isNaN(parsed)) { return 0; }
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return parsed;
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}
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// Formats a double/float to a String with n digits after the decimal point
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function formatNum(num, separator, fraction) {
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var str = num.toLocaleString('en-US');
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str = str.replace(/\./, fraction);
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str = str.replace(/,/g, separator);
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str = str.substring(0, str.indexOf(fraction)+3);
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return str;
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}
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// Takes a number, returns a String with the number
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// converted to uW, mW or Watt
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function convert_power(val){
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let ret = "0";
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if (val == 0) {
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ret = "";
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} else if (val < 0.001){
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ret = formatNum(val*1000000,'','.') + " uW";
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} else if (val < 1) {
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ret = formatNum(val*1000,'','.') + " mW";
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} else {
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ret = formatNum(val*1.0,'','.') + " W";
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}
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return ret;
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}
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// returns a string of "--dBm" if the value is invalid
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function check_dbm(val){
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let ret = "0";
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if (isNaN(val)) {
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ret = "-- dBm";
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} else if (val == "") {
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ret = "";
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} else {
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ret = val + " dBm";
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}
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return ret;
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}
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// gets data from backend and does a lot of stuff
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function getDATA() {
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var xhttp = new XMLHttpRequest();
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xhttp.onreadystatechange = function() {
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if (this.readyState == 4 && this.status == 200) {
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// Split the response string and create an array
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data = this.responseText.split(";");
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// display calculated power and dbm for FWD if voltage is between the lowest
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// and highest value of the translation table
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if (data[15] == "0") {
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document.getElementById("FWDWatt").innerHTML = convert_power(data[0]);
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document.getElementById("FWDdBm").innerHTML = check_dbm(data[1]);
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document.getElementById("FWDVoltage").innerHTML = data[2];
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// display LED bar graph for FWD if enabled via backend configuration
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if (data[17] == "true") {
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document.getElementById("fwd_led_box").style.display = 'inline-block';
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fwd_vu_meter.setAttribute('data-val', strtoint(data[0]*1000000));
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} else {
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document.getElementById("fwd_led_box").style.display = 'none';
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}
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} else { // voltage is out out bounds
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document.getElementById("FWDWatt").innerHTML = "---";
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document.getElementById("FWDdBm").innerHTML = "---";
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document.getElementById("FWDVoltage").innerHTML = data[2];
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// display LED bar graph for FWD if enabled via backend configuration
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// set value to 0
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if (data[17] == "true") {
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fwd_vu_meter.setAttribute('data-val', 0);
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} else {
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document.getElementById("fwd_led_box").style.display = 'none';
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}
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}
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// display calculated power and dbm for REF if voltage is between the lowest
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// and highest value of the translation table
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if (data[16] == "0") {
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document.getElementById("REFWatt").innerHTML = convert_power(data[3]);
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document.getElementById("REFdBm").innerHTML = check_dbm(data[4]);
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document.getElementById("REFVoltage").innerHTML = data[5];
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// display LED bar graph for REF if enabled via backend configuration
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if (data[18] == "true") {
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document.getElementById("ref_led_box").style.display = 'inline-block';
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ref_vu_meter.setAttribute('data-val', strtoint(data[3]*1000000));
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} else {
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document.getElementById("ref_led_box").style.display = 'none';
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}
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} else { // voltage is out out bounds
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document.getElementById("REFWatt").innerHTML = "---";
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document.getElementById("REFdBm").innerHTML = "---";
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document.getElementById("REFVoltage").innerHTML = data[5];
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// display LED bar graph for REF if enabled via backend configuration
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// set value to 0
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if (data[18] == "true") {
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ref_vu_meter.setAttribute('data-val', 0);
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} else {
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document.getElementById("ref_led_box").style.display = 'none';
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}
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}
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document.getElementById("VSWRValue").innerHTML = data[6];
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document.getElementById("BANDValue").innerHTML = data[8]; // displays the chosen band
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document.getElementById("AntennaName").innerHTML = data[10]; // displays the name of the antenna
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document.getElementById("TEMPValue").innerHTML = data[21]; // displays temperature
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document.getElementById("max_led_pwr_fwd").innerHTML = data[12]; // sets the FWD LED bar max value
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document.getElementById("max_led_pwr_ref").innerHTML = data[13]; // sets the REF LED bar max value
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document.getElementById("max_led_vswr").innerHTML = data[14]; // sets the VSWR LED bar max value
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document.getElementById("version").innerHTML = data[20]; // sets the version in the footer
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// displays "--" as VSWR if the value is too high or number is invalid
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if (data[6] == "-1" || data[6] == "inf" || data[15] == "1" || data[16] == "1") {
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document.getElementById("VSWRValue").innerHTML = "--";
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document.getElementById("RLValue").innerHTML = "--";
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document.getElementById("vswr_box").className = "box redbox";
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} else {
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// VSWR is ok
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document.getElementById("RLValue").innerHTML = data[7];
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document.getElementById("VSWRValue").innerHTML = data[6];
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// displays the VSWR box with red background if VSWR value is higher than the user configured limit
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if (parseFloat(data[6]) >= parseFloat(data[9]) || data[6] == "inf") {
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document.getElementById("vswr_box").className = "box redbox";
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// beeps if configured to do so
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if (data[11] == "true") {
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beep();
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}
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} else {
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// VSWR is fine, box is displayed with green background
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document.getElementById("vswr_box").className = "box";
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}
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}
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// displays FWD box with red background if value as been replaced with "--"
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if (data[0].startsWith('--') || data[1].startsWith('--')){
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document.getElementById("fwd_box").className = "box redbox";
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} else {
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document.getElementById("fwd_box").className = "box";
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}
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// displays REF box with red background if value as been replaced with "--"
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if (data[3].startsWith('--') || data[4].startsWith('--')){
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document.getElementById("ref_box").className = "box redbox";
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} else {
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document.getElementById("ref_box").className = "box";
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}
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// display VSWR bar graph if enabled via backend configuration
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if (data[19] == "true") {
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document.getElementById("vswr_led_box").style.display = 'inline-block';
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// if SWR value is invalid -> set to 0
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if (data[6] == "-1" || data[6] == "inf" || data[15] == "1" || data[16] == "1") {
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swr_vu_meter.setAttribute('data-val', 0);
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} else {
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swr_vu_meter.setAttribute('data-val', strtoint((data[6]-1)*100));
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}
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} else {
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document.getElementById("vswr_led_box").style.display = 'none';
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}
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if (!vu_meters_loaded){
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load_vu_meters();
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vu_meters_loaded = true;
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}
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}
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};
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xhttp.open("GET", "readDATA", true);
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xhttp.send();
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}
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</script>
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)====="; |