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rename timers, move vars, show total segments

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Lewis Moten
2024-05-08 00:50:56 -04:00
parent f7e2dc82cc
commit 462adc30ee
2 changed files with 46 additions and 30 deletions
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1
index.html
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@@ -32,6 +32,7 @@
Last segment unused channels in packet: <span id="last-segment-unused-channel-count"></span><br>
Packet Count: <span id="packet-count"></span><br>
Segments Per Packet: <span id="segments-per-packet"></span><br>
Total Segments: <span id="total-segments"></span><br>
Segment Duration: <span id="segment-transfer-duration"></span><br>
Packet Duration: <span id="packet-transfer-duration"></span><br>
Total Duration: <span id="data-transfer-duration"></span><br>

75
index.js
View File

@@ -11,7 +11,20 @@ var sentDataTextArea;
var receivedGraph;
var receivedData = [];
var MAX_AMPLITUDE = 300; // Higher than 255 to give us space
var pauseTimeoutId;
const CHANNEL_OSCILLATORS = [];
// bit stream
let bitStarted;
let lastBitStarted;
let bitEnded;
let bitHighStrength = [];
let bitLowStrength = [];
let lastSegmentIndex = 0;
// interval and timeout ids
var pauseGraphId;
let stopOscillatorsTimeoutId;
var sampleIntervalIds = [];
let EXCLUDED_CHANNELS = [];
@@ -271,20 +284,23 @@ function showSpeed() {
function updatePacketStats() {
const text = textToSend.value;
const bits = textToBits(text);
document.getElementById('data-byte-count').innerText = (bits.length / 8).toLocaleString();
document.getElementById('data-bit-count').innerText = bits.length.toLocaleString();
const bitCount = bits.length;
const byteCount = bitCount / 8;
document.getElementById('data-byte-count').innerText = byteCount.toLocaleString();
document.getElementById('data-bit-count').innerText = bitCount.toLocaleString();
document.getElementById('packet-bit-count').innerText = getPacketBitCount().toLocaleString();
document.getElementById('packet-count').innerText = getPacketCount(bits.length).toLocaleString();
document.getElementById('packet-count').innerText = getPacketCount(bitCount).toLocaleString();
document.getElementById('packet-error-correction').innerText = HAMMING_ERROR_CORRECTION ? 'Yes' : 'No';
document.getElementById('packet-error-block-count').innerText = getPacketErrorBlockCount().toLocaleString();
document.getElementById('packet-data-bit-count').innerText = getPacketDataBitCount().toLocaleString();
document.getElementById('packet-unused-bit-count').innerText = getPacketUnusedBitCount().toLocaleString();
document.getElementById('last-packet-unused-bit-count').innerText = getPacketLastUnusedBitCount(bits).toLocaleString();
document.getElementById('last-packet-unused-bit-count').innerText = getPacketLastUnusedBitCount(bitCount).toLocaleString();
document.getElementById('last-segment-unused-channel-count').innerText = getPacketLastSegmentUnusedChannelCount().toLocaleString()
document.getElementById('packet-transfer-duration').innerText = getPacketDurationSeconds(bits).toLocaleString() + 's';
document.getElementById('packet-transfer-duration').innerText = getPacketDurationSeconds().toLocaleString() + 's';
document.getElementById('segment-transfer-duration').innerText = getSegmentTransferDurationSeconds().toLocaleString() + 's';
document.getElementById('data-transfer-duration').innerText = getDataTransferDurationSeconds(bits.length).toLocaleString() + 's';
document.getElementById('data-transfer-duration').innerText = getDataTransferDurationSeconds(bitCount).toLocaleString() + 's';
document.getElementById('segments-per-packet').innerText = getPacketSegmentCount().toLocaleString();
document.getElementById('total-segments').innerText = getTotalSegmentCount(bitCount).toLocaleString();
}
function drawChannels() {
const sampleRate = getAudioContext().sampleRate;
@@ -503,7 +519,7 @@ function sendBits(bits) {
sendPacket(packet, startSeconds + (i * packetDurationSeconds));
}
stopOscillators(startSeconds + totalDurationSeconds);
stopTimeoutId = window.setTimeout(
stopOscillatorsTimeoutId = window.setTimeout(
disconnectOscillators,
startMilliseconds + totalDurationMilliseconds
);
@@ -529,8 +545,6 @@ function sendPacket(bits, packetStartSeconds) {
}
}
let stopTimeoutId;
function getDataTransferDurationMilliseconds(bitCount) {
return getPacketCount(bitCount) * getPacketDurationMilliseconds();
}
@@ -540,6 +554,9 @@ function getDataTransferDurationSeconds(bitCount) {
function getPacketDurationMilliseconds() {
return getPacketSegmentCount() * SEGMENT_DURATION;
}
function getTotalSegmentCount(bitCount) {
return getPacketCount(bitCount) * getPacketSegmentCount();
}
function getPacketDurationSeconds() {
return getPacketDurationMilliseconds() / 1000;
}
@@ -624,10 +641,14 @@ function getPacketLastSegmentUnusedChannelCount() {
function getPacketUnusedBitCount() {
return getPacketBitCount() - getPacketDataBitCount();
}
function getPacketLastUnusedBitCount(bits) {
const packetCount = getPacketCount(bits.length);
function getPacketLastUnusedBitCount(bitCount) {
const availableBits = getPacketBitCount();
const usedBits = getPacketUsedBits(bits, packetCount-1).length;
const dataBitsPerPacket = getPacketDataBitCount();
let usedBits = bitCount % dataBitsPerPacket;
if(HAMMING_ERROR_CORRECTION) {
const blocks = Math.ceil(usedBits / ERROR_CORRECTION_DATA_SIZE);
usedBits = blocks * ERROR_CORRECTION_BLOCK_SIZE;
}
return availableBits - usedBits;
}
function getPacketDataBitCount() {
@@ -643,7 +664,6 @@ function padArray(values, length, value) {
while(values.length < length) values.push(value);
return values;
}
const CHANNEL_OSCILLATORS = [];
function createOscillators(streamStartSeconds) {
const oscillators = getOscillators();
if(oscillators.length !== 0) disconnectOscillators();
@@ -696,7 +716,7 @@ function disconnectOscillators() {
)
oscillators.length = 0;
sendButton.innerText = 'Send';
stopTimeoutId = undefined;
stopOscillatorsTimeoutId = undefined;
}
function stopGraph() {
PAUSE = true;
@@ -767,9 +787,9 @@ function collectSample() {
const totalBits = 2 ** PACKET_SIZE_BITS;
const segments = Math.ceil(totalBits / channelCount);
const duration = segments * SEGMENT_DURATION;
if(pauseTimeoutId) {
window.clearTimeout(pauseTimeoutId);
pauseTimeoutId = undefined;
if(pauseGraphId) {
window.clearTimeout(pauseGraphId);
pauseGraphId = undefined;
// recover prior bit stream
data.streamStarted = LAST_STREAM_STARTED;
data.streamEnded = LAST_STREAM_STARTED + duration;
@@ -804,9 +824,9 @@ function collectSample() {
fov.streamEnded === time
});
processSegment = true;
if(PAUSE_AFTER_END && !pauseTimeoutId) {
pauseTimeoutId = window.setTimeout(() => {
pauseTimeoutId = undefined;
if(PAUSE_AFTER_END && !pauseGraphId) {
pauseGraphId = window.setTimeout(() => {
pauseGraphId = undefined;
if(PAUSE_AFTER_END) stopGraph();
}, SEGMENT_DURATION * 2);
}
@@ -984,7 +1004,7 @@ function textToBits(text) {
return bits.join('').split('').map(Number);
}
function handleSendButtonClick() {
if(stopTimeoutId) {
if(stopOscillatorsTimeoutId) {
disconnectOscillators();
return;
}
@@ -1051,12 +1071,6 @@ function received(value) {
receivedDataTextarea.value += value;
receivedDataTextarea.scrollTop = receivedDataTextarea.scrollHeight;
}
let bitStarted;
let lastBitStarted;
let bitEnded;
let bitHighStrength = [];
let bitLowStrength = [];
let lastSegmentIndex = 0;
function canHear(hz, {frequencies, length}) {
var i = Math.round(hz / length);
@@ -1066,8 +1080,9 @@ function amplitude(hz, {frequencies, length}) {
var i = Math.round(hz / length);
return frequencies[i];
}
const sum = (total, value) => total + value;
function sum(total, value) {
return total + value;
}
function avgLabel(array) {
const values = array.filter(v => v > 0);
if(values.length === 0) return 'N/A';