Major overhaul and logic cleanup.
Adds support for web serial as well.
This commit is contained in:
raldone01
@@ -1,471 +1,512 @@
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'use strict';
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(() => {
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const connectBtn = document.getElementById('connect');
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const resetAllBtn = document.getElementById('reset_all');
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const resetOutputBtn = document.getElementById('reset_output');
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const senderLines = document.getElementById('sender_lines');
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const receiverLines = document.getElementById('receiver_lines');
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const commandLine = document.getElementById('command_line');
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const status = document.getElementById('status');
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const newlineModeSelect = document.getElementById('newline_mode');
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const sendModeBtn = document.getElementById('send_mode');
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const autoReconnectCheckbox = document.getElementById('auto_reconnect');
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const forgetDeviceBtn = document.getElementById('forget_device');
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const forgetAllDevicesBtn = document.getElementById('forget_all_devices');
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(async () => {
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// bind to the html
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const connectWebUsbSerialBtn = document.getElementById('connect_webusb_serial_btn');
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const connectSerialBtn = document.getElementById('connect_serial_btn');
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const disconnectBtn = document.getElementById('disconnect_btn');
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const newlineModeSelect = document.getElementById('newline_mode_select');
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const autoReconnectCheckbox = document.getElementById('auto_reconnect_checkbox');
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const forgetDeviceBtn = document.getElementById('forget_device_btn');
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const forgetAllDevicesBtn = document.getElementById('forget_all_devices_btn');
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const resetAllBtn = document.getElementById('reset_all_btn');
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const resetOutputBtn = document.getElementById('reset_output_btn');
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const copyOutputBtn = document.getElementById('copy_output_btn');
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const statusSpan = document.getElementById('status_span');
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const commandHistoryScrollbox = document.getElementById('command_history_scrollbox');
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const commandLineInput = document.getElementById('command_line_input');
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const sendModeBtn = document.getElementById('send_mode_btn');
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const receivedDataScrollbox = document.getElementById('received_data_scrollbox');
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const nearTheBottomThreshold = 100; // pixels from the bottom to trigger scroll
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let port = null;
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let lastPort = null; // for reconnecting and initial connection
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class Application {
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constructor() {
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this.currentPort = null;
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this.textEncoder = new TextEncoder();
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this.textDecoder = new TextDecoder();
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const history = [];
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let historyIndex = -1;
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let lastCommand = null;
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let lastCommandCount = 0;
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let lastCommandButton = null;
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this.reconnectTimeoutId = null;
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let sendMode = localStorage.getItem('sendMode') || 'command';
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this.commandHistory = [];
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this.commandHistoryIndex = -1;
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this.lastCommandCount = 0;
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this.lastCommand = null;
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this.lastCommandBtn = null;
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// track reconnect interval
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let reconnectIntervalId = null;
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// bind the UI elements
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connectWebUsbSerialBtn.addEventListener('click', () => this.connectWebUsbSerialPort());
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connectSerialBtn.addEventListener('click', () => this.connectSerialPort());
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disconnectBtn.addEventListener('click', () => this.disconnectPort());
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newlineModeSelect.addEventListener('change', () => this.setNewlineMode());
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autoReconnectCheckbox.addEventListener('change', () => this.autoReconnectChanged());
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forgetDeviceBtn.addEventListener('click', () => this.forgetPort());
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forgetAllDevicesBtn.addEventListener('click', () => this.forgetAllPorts());
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resetAllBtn.addEventListener('click', () => this.resetAll());
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resetOutputBtn.addEventListener('click', () => this.resetOutput());
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copyOutputBtn.addEventListener('click', () => this.copyOutput());
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commandLineInput.addEventListener('keydown', (e) => this.handleCommandLineInput(e));
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sendModeBtn.addEventListener('click', () => this.toggleSendMode());
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// Append sent command to sender container as a clickable element
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const appendCommandToSender = (container, text) => {
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if (text === lastCommand) {
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// Increment count and update button
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lastCommandCount++;
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lastCommandButton.textContent = `${text} ×${lastCommandCount}`;
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} else {
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// Reset count and add new button
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lastCommand = text;
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lastCommandCount = 1;
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// restore state from localStorage
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const commandEl = document.createElement('button');
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commandEl.className = 'sender-entry';
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commandEl.type = 'button';
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commandEl.textContent = text;
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commandEl.addEventListener('click', () => {
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commandLine.value = text;
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commandLine.focus();
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});
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container.appendChild(commandEl);
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lastCommandButton = commandEl;
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// Restore command history
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let savedCommandHistory = JSON.parse(localStorage.getItem('commandHistory') || '[]');
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for (const cmd of savedCommandHistory) {
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this.appendCommandToHistory(cmd);
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}
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const distanceFromBottom = container.scrollHeight - (container.scrollTop + container.clientHeight);
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this.sendMode = localStorage.getItem('sendMode') || 'command';
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this.setSendMode(this.sendMode);
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autoReconnectCheckbox.checked = localStorage.getItem('autoReconnect') === 'true';
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let savedNewlineMode = localStorage.getItem('newlineMode');
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if (savedNewlineMode) {
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newlineModeSelect.value = savedNewlineMode;
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}
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this.connectWebUsbSerialPort(true);
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}
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appendCommandToHistory(text) {
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if (text === this.lastCommand) {
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// Increment count and update button
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this.lastCommandCount++;
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this.lastCommandBtn.textContent = `${text} ×${this.lastCommandCount}`;
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} else {
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// Add a new entry to the command history
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this.commandHistory.push(text);
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localStorage.setItem('commandHistory', JSON.stringify(this.commandHistory));
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this.commandHistoryIndex = -1;
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const commandHistoryEntryBtn = document.createElement('button');
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commandHistoryEntryBtn.className = 'command-history-entry';
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commandHistoryEntryBtn.type = 'button';
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commandHistoryEntryBtn.textContent = text;
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commandHistoryEntryBtn.addEventListener('click', () => {
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if (commandLineInput.disabled) return;
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commandLineInput.value = text;
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commandLineInput.focus();
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});
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commandHistoryScrollbox.appendChild(commandHistoryEntryBtn);
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this.lastCommand = text;
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this.lastCommandBtn = commandHistoryEntryBtn;
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// Scroll to the new entry if near the bottom
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const distanceFromBottom = commandHistoryScrollbox.scrollHeight - (commandHistoryScrollbox.scrollTop + commandHistoryScrollbox.clientHeight);
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if (distanceFromBottom < nearTheBottomThreshold) {
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requestAnimationFrame(() => {
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commandHistoryEntryBtn.scrollIntoView({ behavior: 'instant' });
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});
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}
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}
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}
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appendLineToReceived(text) {
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const div = document.createElement('div');
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div.textContent = text;
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receivedDataScrollbox.appendChild(div);
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// Scroll to the new entry if near the bottom
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const distanceFromBottom = receivedDataScrollbox.scrollHeight - (receivedDataScrollbox.scrollTop + receivedDataScrollbox.clientHeight);
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if (distanceFromBottom < nearTheBottomThreshold) {
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requestAnimationFrame(() => {
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commandEl.scrollIntoView({ behavior: 'instant' });
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div.scrollIntoView({ behavior: 'instant' });
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});
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}
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}
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};
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// Restore command history
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history.push(...(JSON.parse(localStorage.getItem('commandHistory') || '[]')));
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for (const cmd of history) {
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appendCommandToSender(senderLines, cmd);
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}
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// Restore auto reconnect checkbox
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autoReconnectCheckbox.checked = localStorage.getItem('autoReconnect') === 'true';
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// Restore newline mode
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const savedNewlineMode = localStorage.getItem('newlineMode');
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if (savedNewlineMode) newlineModeSelect.value = savedNewlineMode;
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// Format incoming data
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const decodeData = (() => {
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const decoder = new TextDecoder();
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return dataView => decoder.decode(dataView);
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})();
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const normalizeNewlines = (text, mode) => {
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switch (mode) {
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case 'CR':
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// Only \r: Replace all \n with \r
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return text.replace(/\r?\n/g, '\r');
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case 'CRLF':
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// Replace lone \r or \n with \r\n
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return text.replace(/\r\n|[\r\n]/g, '\r\n');
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case 'ANY':
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// Accept any \r, \n, \r\n. Normalize as \n for display
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return text.replace(/\r\n|\r/g, '\n');
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default:
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return text;
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setStatus(msg, level = 'info') {
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console.log(msg);
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statusSpan.textContent = msg;
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statusSpan.className = 'status status-' + level;
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}
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};
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// Append line to container, optionally scroll to bottom
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const appendLineToReceiver = (container, text, className = '') => {
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const div = document.createElement('div');
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if (className) div.className = className;
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div.textContent = text;
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container.appendChild(div);
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const distanceFromBottom = container.scrollHeight - (container.scrollTop + container.clientHeight);
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if (distanceFromBottom < nearTheBottomThreshold) {
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requestAnimationFrame(() => {
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div.scrollIntoView({ behavior: "instant" });
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});
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}
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};
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// Update status text and style
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const setStatus = (msg, level = 'info') => {
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console.log(msg);
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status.textContent = msg;
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status.className = 'status status-' + level;
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};
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// Disconnect helper
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const disconnectPort = async () => {
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if (port) {
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try {
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await port.disconnect();
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} catch (error) {
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setStatus(`Disconnect error: ${error.message}`, 'error');
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}
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port = null;
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connectBtn.textContent = 'Connect';
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commandLine.disabled = true;
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}
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};
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// Connect helper
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const connectPort = async (initial = false) => {
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try {
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let grantedDevices = await serial.getPorts();
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if (grantedDevices.length === 0 && initial) {
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return false;
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}
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if (grantedDevices.length === 0) {
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// No previously granted devices, request a new one
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setStatus('Requesting device...', 'info');
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port = await serial.requestPort();
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updateUIConnectionState() {
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if (this.currentPort && this.currentPort.isConnected) {
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connectWebUsbSerialBtn.style.display = 'none';
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connectSerialBtn.style.display = 'none';
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disconnectBtn.style.display = 'block';
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commandLineInput.disabled = false;
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commandLineInput.focus();
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} else {
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if (lastPort) {
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// Try to reconnect to the last used port
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const matchingPort = grantedDevices.find(p => p.portPointToSameDevice(lastPort));
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if (matchingPort) {
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port = matchingPort;
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setStatus('Reconnecting to last device...', 'info');
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} else {
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return false;
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}
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} else {
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// No last port, just use the first available
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port = grantedDevices[0];
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setStatus('Connecting to first device...', 'info');
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if (serial.isWebUsbSupported()) {
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connectWebUsbSerialBtn.style.display = 'block';
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}
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if (serial.isWebSerialSupported()) {
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connectSerialBtn.style.display = 'block';
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}
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if (!serial.isWebUsbSupported() && !serial.isWebSerialSupported()) {
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this.setStatus('Your browser does not support WebUSB or WebSerial', 'error');
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}
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disconnectBtn.style.display = 'none';
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commandLineInput.disabled = true;
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commandLineInput.value = '';
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commandLineInput.blur();
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}
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}
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async disconnectPort() {
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this.stopAutoReconnect();
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if (!this.currentPort) return;
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try {
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await this.currentPort.disconnect();
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}
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catch (error) {
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this.setStatus(`Disconnect error: ${error.message}`, 'error');
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}
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await port.connect();
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// save for reconnecting
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lastPort = port;
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setStatus(`Connected to ${port.device.productName || 'device'}`, 'info');
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connectBtn.textContent = 'Disconnect';
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commandLine.disabled = false;
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commandLine.focus();
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port.onReceiveError = async error => {
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setStatus(`Read error: ${error.message}`, 'error');
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await disconnectPort();
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// Start auto reconnect on error if enabled
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await tryAutoReconnect();
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};
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port.onReceive = dataView => {
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let text = decodeData(dataView);
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text = normalizeNewlines(text, newlineModeSelect.value);
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appendLineToReceiver(receiverLines, text, 'received');
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};
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return true;
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} catch (error) {
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setStatus(`Connection failed: ${error.message}`, 'error');
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port = null;
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connectBtn.textContent = 'Connect';
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commandLine.disabled = true;
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return false;
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this.updateUIConnectionState();
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}
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};
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// Start auto reconnect interval if checkbox is checked and not already running
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const tryAutoReconnect = async () => {
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if (!autoReconnectCheckbox.checked) return;
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if (reconnectIntervalId !== null) return; // already trying
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setStatus('Attempting to auto-reconnect...', 'info');
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reconnectIntervalId = setInterval(async () => {
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if (!autoReconnectCheckbox.checked) {
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clearInterval(reconnectIntervalId);
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reconnectIntervalId = null;
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setStatus('Auto-reconnect stopped.', 'info');
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async onReceive(dataView) {
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this.updateUIConnectionState();
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let text = this.textDecoder.decode(dataView);
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text = this.normalizeNewlines(text);
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this.appendLineToReceived(text);
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}
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async onReceiveError(error) {
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this.setStatus(`Read error: ${error.message}`, 'error');
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await this.disconnectPort();
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// Start auto reconnect on error if enabled
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this.tryAutoReconnect();
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}
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async connectSerialPort() {
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if (!serial.isWebSerialSupported()) {
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this.setStatus('Serial not supported on this browser', 'error');
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return;
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}
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await disconnectPort();
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const success = await connectPort();
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if (success) {
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clearInterval(reconnectIntervalId);
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reconnectIntervalId = null;
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setStatus('Reconnected successfully.', 'info');
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}
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}, 1000);
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};
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// Stop auto reconnect immediately
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const stopAutoReconnect = () => {
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if (reconnectIntervalId !== null) {
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clearInterval(reconnectIntervalId);
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reconnectIntervalId = null;
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setStatus('Auto-reconnect stopped.', 'info');
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}
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};
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// Connect button click handler
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connectBtn.addEventListener('click', async () => {
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if (!serial.isWebUsbSupported()) {
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setStatus('WebUSB not supported on this browser', 'error');
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return;
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}
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if (port) {
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// Disconnect
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stopAutoReconnect();
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await disconnectPort();
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setStatus('Disconnected', 'info');
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return;
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}
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stopAutoReconnect();
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try {
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// Connect
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const success = await connectPort();
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if (success) {
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setStatus('Connected', 'info');
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}
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} catch (error) {
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setStatus(`Connection failed: ${error.message}`, 'error');
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port = null;
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connectBtn.textContent = 'Connect';
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commandLine.disabled = true;
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}
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});
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// Checkbox toggle stops auto reconnect if unchecked
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autoReconnectCheckbox.addEventListener('change', async () => {
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localStorage.setItem('autoReconnect', autoReconnectCheckbox.checked);
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if (!autoReconnectCheckbox.checked) {
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stopAutoReconnect();
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} else {
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// Start auto reconnect immediately if not connected
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console.log(port);
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console.log(lastPort);
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if (!port && lastPort) {
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await tryAutoReconnect();
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try {
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this.setStatus('Requesting device...', 'info');
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this.currentPort = await serial.requestSerialPort();
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this.currentPort.onReceiveError = error => this.onReceiveError(error);
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this.currentPort.onReceive = dataView => this.onReceive(dataView);
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await this.currentPort.connect();
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this.setStatus('Connected', 'info');
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} catch (error) {
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this.setStatus(`Connection failed: ${error.message}`, 'error');
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if (this.currentPort) {
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await this.currentPort.forgetDevice();
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this.currentPort = null;
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}
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}
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}
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});
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sendModeBtn.addEventListener('click', () => {
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if (sendMode === 'command') {
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sendMode = 'instant';
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sendModeBtn.classList.remove('send-mode-command');
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sendModeBtn.classList.add('send-mode-instant');
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sendModeBtn.textContent = 'Instant mode';
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// In instant mode, we clear the command line
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commandLine.value = '';
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} else {
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sendMode = 'command';
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sendModeBtn.classList.remove('send-mode-instant');
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sendModeBtn.classList.add('send-mode-command');
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sendModeBtn.textContent = 'Command mode';
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}
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localStorage.setItem('sendMode', sendMode);
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});
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async connectWebUsbSerialPort(initial = false) {
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if (!serial.isWebUsbSupported()) {
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this.setStatus('WebUSB not supported on this browser', 'error');
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return;
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}
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try {
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let first_time_connection = false;
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let grantedDevices = await serial.getWebUsbSerialPorts();
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if (initial) {
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if (!autoReconnectCheckbox.checked || grantedDevices.length === 0) {
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return false;
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}
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// Set initial sendMode button state
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if (sendMode === 'instant') {
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sendModeBtn.classList.remove('send-mode-command');
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sendModeBtn.classList.add('send-mode-instant');
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sendModeBtn.textContent = 'Instant mode';
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}
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// Send command line input on Enter
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commandLine.addEventListener('keydown', async e => {
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if (!port) return;
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// Instant mode: send key immediately including special keys like Backspace, arrows, enter, etc.
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if (sendMode === 'instant') {
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e.preventDefault();
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|
||||
// Ignore only pure modifier keys without text representation
|
||||
if (e.key.length === 1 ||
|
||||
e.key === 'Enter' ||
|
||||
e.key === 'Backspace' ||
|
||||
e.key === 'Tab' ||
|
||||
e.key === 'Escape' ||
|
||||
e.key === 'Delete' ) {
|
||||
|
||||
let sendText = '';
|
||||
switch (e.key) {
|
||||
case 'Enter':
|
||||
switch (newlineModeSelect.value) {
|
||||
case 'CR': sendText = '\r'; break;
|
||||
case 'CRLF': sendText = '\r\n'; break;
|
||||
default: sendText = '\n'; break;
|
||||
// Connect to the device that was saved to localStorage otherwise use the first one
|
||||
const savedPortInfo = JSON.parse(localStorage.getItem('webUSBSerialPort'));
|
||||
if (savedPortInfo) {
|
||||
for (const device of grantedDevices) {
|
||||
if (device.device.vendorId === savedPortInfo.vendorId && device.device.productId === savedPortInfo.productId) {
|
||||
this.currentPort = device;
|
||||
break;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case 'Backspace':
|
||||
// Usually no straightforward char to send for Backspace,
|
||||
// but often ASCII DEL '\x7F' or '\b' (0x08) is sent.
|
||||
sendText = '\x08'; // backspace
|
||||
break;
|
||||
case 'Tab':
|
||||
sendText = '\t';
|
||||
break;
|
||||
case 'Escape':
|
||||
// Ignore or send ESC control char if needed
|
||||
sendText = '\x1B';
|
||||
break;
|
||||
case 'Delete':
|
||||
sendText = '\x7F'; // DEL char
|
||||
break;
|
||||
default:
|
||||
sendText = e.key;
|
||||
}
|
||||
if (!this.currentPort) {
|
||||
this.currentPort = grantedDevices[0];
|
||||
}
|
||||
|
||||
this.setStatus('Connecting to first device...', 'info');
|
||||
} else {
|
||||
// Prompt the user to select a device
|
||||
this.setStatus('Requesting device...', 'info');
|
||||
this.currentPort = await serial.requestWebUsbSerialPort();
|
||||
first_time_connection = true;
|
||||
}
|
||||
|
||||
const encoder = new TextEncoder();
|
||||
this.currentPort.onReceiveError = error => this.onReceiveError(error);
|
||||
this.currentPort.onReceive = dataView => this.onReceive(dataView);
|
||||
|
||||
try {
|
||||
await port.send(encoder.encode(sendText));
|
||||
await this.currentPort.connect();
|
||||
|
||||
// save the port to localStorage
|
||||
const portInfo = {
|
||||
vendorId: this.currentPort.device.vendorId,
|
||||
productId: this.currentPort.device.productId,
|
||||
}
|
||||
localStorage.setItem('webUSBSerialPort', JSON.stringify(portInfo));
|
||||
|
||||
this.setStatus('Connected', 'info');
|
||||
} catch (error) {
|
||||
setStatus(`Send error: ${error.message}`, 'error');
|
||||
await disconnectPort();
|
||||
await tryAutoReconnect();
|
||||
if (first_time_connection) {
|
||||
// Forget the device if a first time connection fails
|
||||
await this.currentPort.forgetDevice();
|
||||
this.currentPort = null;
|
||||
}
|
||||
throw error;
|
||||
}
|
||||
|
||||
this.updateUIConnectionState();
|
||||
} catch (error) {
|
||||
this.setStatus(`Connection failed: ${error.message}`, 'error');
|
||||
}
|
||||
}
|
||||
|
||||
async reconnectPort() {
|
||||
if (this.currentPort) {
|
||||
this.setStatus('Reconnecting...', 'info');
|
||||
try {
|
||||
await this.currentPort.connect();
|
||||
this.setStatus('Reconnected', 'info');
|
||||
} catch (error) {
|
||||
this.setStatus(`Reconnect failed: ${error.message}`, 'error');
|
||||
}
|
||||
}
|
||||
|
||||
return;
|
||||
this.updateUIConnectionState();
|
||||
}
|
||||
|
||||
// Command mode: handle up/down arrow keys for history
|
||||
if (e.key === 'ArrowUp' || e.key === 'ArrowDown') {
|
||||
async forgetPort() {
|
||||
this.stopAutoReconnect();
|
||||
if (this.currentPort) {
|
||||
await this.currentPort.forgetDevice();
|
||||
this.currentPort = null;
|
||||
this.setStatus('Device forgotten', 'info');
|
||||
} else {
|
||||
this.setStatus('No device to forget', 'error');
|
||||
}
|
||||
this.updateUIConnectionState();
|
||||
}
|
||||
|
||||
async forgetAllPorts() {
|
||||
this.stopAutoReconnect();
|
||||
await this.forgetPort();
|
||||
if (serial.isWebUsbSupported()) {
|
||||
let ports = await serial.getWebUsbSerialPorts();
|
||||
for (const p of ports) {
|
||||
await p.forgetDevice();
|
||||
}
|
||||
}
|
||||
this.updateUIConnectionState();
|
||||
}
|
||||
|
||||
setNewlineMode() {
|
||||
localStorage.setItem('newlineMode', newlineModeSelect.value);
|
||||
}
|
||||
|
||||
autoReconnectChanged() {
|
||||
if (autoReconnectCheckbox.checked) {
|
||||
this.setStatus('Auto-reconnect enabled', 'info');
|
||||
this.tryAutoReconnect();
|
||||
} else {
|
||||
this.setStatus('Auto-reconnect disabled', 'info');
|
||||
this.stopAutoReconnect();
|
||||
}
|
||||
localStorage.setItem('autoReconnect', autoReconnectCheckbox.checked);
|
||||
}
|
||||
|
||||
stopAutoReconnect() {
|
||||
if (this.reconnectTimeoutId !== null) {
|
||||
clearTimeout(this.reconnectTimeoutId);
|
||||
this.reconnectTimeoutId = null;
|
||||
this.setStatus('Auto-reconnect stopped.', 'info');
|
||||
}
|
||||
}
|
||||
|
||||
tryAutoReconnect() {
|
||||
this.updateUIConnectionState();
|
||||
if (!autoReconnectCheckbox.checked) return;
|
||||
if (this.reconnectTimeoutId !== null) return; // already trying
|
||||
this.setStatus('Attempting to auto-reconnect...', 'info');
|
||||
this.reconnectTimeoutId = setTimeout(async () => {
|
||||
this.reconnectTimeoutId = null;
|
||||
if (!autoReconnectCheckbox.checked) {
|
||||
this.setStatus('Auto-reconnect stopped.', 'info');
|
||||
return;
|
||||
}
|
||||
if (this.currentPort) {
|
||||
try {
|
||||
await this.currentPort.connect();
|
||||
} finally {
|
||||
this.updateUIConnectionState();
|
||||
}
|
||||
}
|
||||
}, 1000);
|
||||
}
|
||||
|
||||
async handleCommandLineInput(e) {
|
||||
// Instant mode: send key immediately including special keys like Backspace, arrows, enter, etc.
|
||||
if (this.sendMode === 'instant') {
|
||||
e.preventDefault();
|
||||
|
||||
// Ignore only pure modifier keys without text representation
|
||||
if (e.key.length === 1 ||
|
||||
e.key === 'Enter' ||
|
||||
e.key === 'Backspace' ||
|
||||
e.key === 'Tab' ||
|
||||
e.key === 'Escape' ||
|
||||
e.key === 'Delete' ) {
|
||||
|
||||
let sendText = '';
|
||||
switch (e.key) {
|
||||
case 'Enter':
|
||||
switch (newlineModeSelect.value) {
|
||||
case 'CR': sendText = '\r'; break;
|
||||
case 'CRLF': sendText = '\r\n'; break;
|
||||
default: sendText = '\n'; break;
|
||||
}
|
||||
break;
|
||||
case 'Backspace':
|
||||
// Usually no straightforward char to send for Backspace,
|
||||
// but often ASCII DEL '\x7F' or '\b' (0x08) is sent.
|
||||
sendText = '\x08'; // backspace
|
||||
break;
|
||||
case 'Tab':
|
||||
sendText = '\t';
|
||||
break;
|
||||
case 'Escape':
|
||||
// Ignore or send ESC control char if needed
|
||||
sendText = '\x1B';
|
||||
break;
|
||||
case 'Delete':
|
||||
sendText = '\x7F'; // DEL char
|
||||
break;
|
||||
default:
|
||||
sendText = e.key;
|
||||
}
|
||||
try {
|
||||
await port.send(this.textEncoder.encode(sendText));
|
||||
} catch (error) {
|
||||
this.setStatus(`Send error: ${error.message}`, 'error');
|
||||
this.tryAutoReconnect();
|
||||
}
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
// Command mode: handle up/down arrow keys for history
|
||||
if (e.key === 'ArrowUp' || e.key === 'ArrowDown') {
|
||||
e.preventDefault();
|
||||
if (this.commandHistory.length === 0) return;
|
||||
if (e.key === 'ArrowUp') {
|
||||
if (this.commandHistoryIndex === -1) this.commandHistoryIndex = this.commandHistory.length - 1;
|
||||
else if (this.commandHistoryIndex > 0) this.commandHistoryIndex--;
|
||||
} else if (e.key === 'ArrowDown') {
|
||||
if (this.commandHistoryIndex !== -1) this.commandHistoryIndex++;
|
||||
if (this.commandHistoryIndex >= this.commandHistory.length) this.commandHistoryIndex = -1;
|
||||
}
|
||||
commandLineInput.value = this.commandHistoryIndex === -1 ? '' : this.commandHistory[this.commandHistoryIndex];
|
||||
return;
|
||||
}
|
||||
|
||||
if (e.key !== 'Enter' || !this.currentPort.isConnected) return;
|
||||
e.preventDefault();
|
||||
if (history.length === 0) return;
|
||||
if (e.key === 'ArrowUp') {
|
||||
if (historyIndex === -1) historyIndex = history.length - 1;
|
||||
else if (historyIndex > 0) historyIndex--;
|
||||
} else if (e.key === 'ArrowDown') {
|
||||
if (historyIndex !== -1) historyIndex++;
|
||||
if (historyIndex >= history.length) historyIndex = -1;
|
||||
const text = commandLineInput.value;
|
||||
if (!text) return;
|
||||
|
||||
// Convert to Uint8Array with newline based on config
|
||||
let sendText = text;
|
||||
switch (newlineModeSelect.value) {
|
||||
case 'CR':
|
||||
sendText += '\r';
|
||||
break;
|
||||
case 'CRLF':
|
||||
sendText += '\r\n';
|
||||
break;
|
||||
case 'ANY':
|
||||
sendText += '\n';
|
||||
break;
|
||||
}
|
||||
commandLine.value = historyIndex === -1 ? '' : history[historyIndex];
|
||||
return;
|
||||
}
|
||||
const data = this.textEncoder.encode(sendText);
|
||||
|
||||
if (e.key !== 'Enter' || !port) return;
|
||||
e.preventDefault();
|
||||
const text = commandLine.value;
|
||||
if (!text) return;
|
||||
|
||||
// Add command to history, ignore duplicate consecutive
|
||||
if (history.length === 0 || history[history.length - 1] !== text) {
|
||||
history.push(text);
|
||||
localStorage.setItem('commandHistory', JSON.stringify(history));
|
||||
}
|
||||
historyIndex = -1;
|
||||
|
||||
// Convert to Uint8Array with newline based on config
|
||||
let sendText = text;
|
||||
switch (newlineModeSelect.value) {
|
||||
case 'CR':
|
||||
sendText += '\r';
|
||||
break;
|
||||
case 'CRLF':
|
||||
sendText += '\r\n';
|
||||
break;
|
||||
case 'ANY':
|
||||
sendText += '\n';
|
||||
break;
|
||||
}
|
||||
const encoder = new TextEncoder();
|
||||
const data = encoder.encode(sendText);
|
||||
|
||||
try {
|
||||
await port.send(data);
|
||||
appendCommandToSender(senderLines, sendText.replace(/[\r\n]+$/, ''));
|
||||
commandLine.value = '';
|
||||
} catch (error) {
|
||||
setStatus(`Send error: ${error.message}`, 'error');
|
||||
await disconnectPort();
|
||||
await tryAutoReconnect();
|
||||
}
|
||||
});
|
||||
|
||||
newlineModeSelect.addEventListener('change', () => {
|
||||
localStorage.setItem('newlineMode', newlineModeSelect.value);
|
||||
});
|
||||
|
||||
// Forget device button clears stored device info
|
||||
forgetDeviceBtn.addEventListener('click', async () => {
|
||||
if (port) {
|
||||
// Disconnect first
|
||||
await port.disconnect();
|
||||
await port.forgetDevice();
|
||||
stopAutoReconnect();
|
||||
await disconnectPort();
|
||||
|
||||
setStatus('Device forgotten', 'info');
|
||||
} else {
|
||||
setStatus('No device to forget', 'error');
|
||||
}
|
||||
});
|
||||
|
||||
// Forget all devices button clears all stored device info
|
||||
forgetAllDevicesBtn.addEventListener('click', async () => {
|
||||
stopAutoReconnect();
|
||||
await disconnectPort();
|
||||
let ports = await serial.getPorts();
|
||||
if (ports.length > 0) {
|
||||
for (const p of ports) {
|
||||
await p.forgetDevice();
|
||||
try {
|
||||
await this.currentPort.send(data);
|
||||
this.commandHistoryIndex = -1;
|
||||
this.appendCommandToHistory(sendText.replace(/[\r\n]+$/, ''));
|
||||
commandLineInput.value = '';
|
||||
} catch (error) {
|
||||
this.setStatus(`Send error: ${error.message}`, 'error');
|
||||
this.tryAutoReconnect();
|
||||
}
|
||||
setStatus('All devices forgotten', 'info');
|
||||
} else {
|
||||
setStatus('No devices to forget', 'error');
|
||||
}
|
||||
});
|
||||
|
||||
// Reset output button clears receiver
|
||||
resetOutputBtn.addEventListener('click', () => {
|
||||
receiverLines.innerHTML = '';
|
||||
});
|
||||
|
||||
// Reset button clears sender and receiver
|
||||
resetAllBtn.addEventListener('click', () => {
|
||||
senderLines.innerHTML = '';
|
||||
receiverLines.innerHTML = '';
|
||||
lastCommand = null;
|
||||
lastCommandCount = 0;
|
||||
lastCommandButton = null;
|
||||
history.length = 0;
|
||||
historyIndex = -1;
|
||||
|
||||
// iterate and delete localStorage items
|
||||
for (const key in localStorage) {
|
||||
localStorage.removeItem(key);
|
||||
toggleSendMode() {
|
||||
if (this.sendMode === 'instant') {
|
||||
this.setSendMode('command');
|
||||
} else {
|
||||
this.setSendMode('instant');
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
setSendMode(mode) {
|
||||
this.sendMode = mode;
|
||||
if (mode === 'instant') {
|
||||
sendModeBtn.classList.remove('send-mode-command');
|
||||
sendModeBtn.classList.add('send-mode-instant');
|
||||
sendModeBtn.textContent = 'Instant mode';
|
||||
} else {
|
||||
sendModeBtn.classList.remove('send-mode-instant');
|
||||
sendModeBtn.classList.add('send-mode-command');
|
||||
sendModeBtn.textContent = 'Command mode';
|
||||
}
|
||||
localStorage.setItem('sendMode', this.sendMode);
|
||||
}
|
||||
|
||||
// Disable input on load
|
||||
commandLine.disabled = true;
|
||||
normalizeNewlines(text) {
|
||||
switch (newlineModeSelect.value) {
|
||||
case 'CR':
|
||||
return text.replace(/\r?\n/g, '\r');
|
||||
case 'CRLF':
|
||||
return text.replace(/\r\n|[\r\n]/g, '\r\n');
|
||||
case 'ANY':
|
||||
return text.replace(/\r\n|\r/g, '\n');
|
||||
default:
|
||||
return text;
|
||||
}
|
||||
}
|
||||
|
||||
// Show warning if no WebUSB support
|
||||
if (!serial.isWebUsbSupported()) {
|
||||
setStatus('WebUSB not supported on this browser', 'error');
|
||||
} else {
|
||||
// try to connect to any available device
|
||||
connectPort(true);
|
||||
copyOutput() {
|
||||
const text = receivedDataScrollbox.innerText;
|
||||
if (text) {
|
||||
navigator.clipboard.writeText(text).then(() => {
|
||||
this.setStatus('Output copied to clipboard', 'info');
|
||||
}, () => {
|
||||
this.setStatus('Failed to copy output', 'error');
|
||||
});
|
||||
} else {
|
||||
this.setStatus('No output to copy', 'error');
|
||||
}
|
||||
}
|
||||
|
||||
resetOutput() {
|
||||
receivedDataScrollbox.innerHTML = '';
|
||||
}
|
||||
|
||||
async resetAll() {
|
||||
await this.forgetAllPorts();
|
||||
|
||||
// Clear localStorage
|
||||
for (const key in localStorage) {
|
||||
localStorage.removeItem(key);
|
||||
}
|
||||
|
||||
// reload the page
|
||||
window.location.reload();
|
||||
}
|
||||
}
|
||||
})();
|
||||
|
||||
const app = new Application();
|
||||
})()
|
||||
|
||||
Reference in New Issue
Block a user