lili/data-over-audio
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Display speed as baud and bytes/second

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Lewis Moten
2024-05-02 20:44:44 -04:00
parent a74b463905
commit d508dd700b
2 changed files with 13 additions and 2 deletions
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11
index.js
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@@ -21,7 +21,7 @@ var FREQUENCY_HIGH = 400;
var FREQUENCY_LOW = 500;
var FREQUENCY_DURATION = 100;
var FREQUENCY_THRESHOLD = 200;
var SAMPLE_DELAY_MS = 10;
var SAMPLE_DELAY_MS = 1;
var FFT_POWER = 10;
var LAST_BIT_PERCENT = 0.8;
var SMOOTHING_TIME_CONSTANT = 0;
@@ -50,6 +50,7 @@ function handleWindowLoad() {
FREQUENCY_DURATION = parseInt(event.target.value);
bitSampleCount = 0;
samplesPerBit.length = 0;
showSpeed();
});
document.getElementById('max-bits-displayed-on-graph').value= MAX_BITS_DISPLAYED_ON_GRAPH;
document.getElementById('max-bits-displayed-on-graph').addEventListener('input', (event) => {
@@ -89,6 +90,14 @@ function handleWindowLoad() {
sendButton.addEventListener('click', handleSendButtonClick);
isListeningCheckbox.addEventListener('click', handleListeningCheckbox);
textToSend.addEventListener('keypress', handleTextToSendKeypress);
showSpeed();
}
function showSpeed() {
const baud = 1000 / FREQUENCY_DURATION;
const bytes = baud / 8;
document.getElementById('data-transfer-speed-bits-per-second').innerText = baud.toFixed(2);
document.getElementById('data-transfer-speed-bytes-per-second').innerText = bytes.toFixed(2);
}
function handleTextToSendKeypress(event) {