Compare commits

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10 Commits

Author SHA1 Message Date
e612c852e5 update dna and panel controls 2026-05-23 09:02:26 +08:00
39b5edb585 improve parameter fetch feedback 2026-05-23 09:02:26 +08:00
71345419d5 route can frames through session 2026-05-23 09:02:26 +08:00
fe841fb0ba fix dronecan zero data type handling 2026-05-23 09:02:26 +08:00
1cd3badb2d add slcan serial support 2026-05-23 09:02:26 +08:00
Huibean Luo
b50cb503a8 Update official entry URL in README 2025-09-02 17:20:11 +01:00
Huibean Luo
8e06ca76ca Merge pull request #2 from Huibean/pr-add-firmware-upgrade-hex-support
firmware upgrade add .hex support
2025-08-14 10:08:57 +08:00
Huibean
783b901fe7 firmware upgrade add .hex support 2025-08-14 10:07:33 +08:00
Huibean Luo
ae31462434 Merge pull request #1 from Huibean/pr-add-mavlink-signing
add mavlink signing and wss support
2025-08-14 09:59:18 +08:00
Huibean
7bffe34f54 add mavlink sigining and wss support 2025-08-14 09:56:58 +08:00
15 changed files with 2247 additions and 8447 deletions

3
.gitignore vendored
View File

@@ -3,4 +3,5 @@ dist
.DS_Store
mav.parm
mav.tlog
mav.tlog.raw
mav.tlog.raw
deploy.sh

View File

@@ -6,7 +6,7 @@ A web-based tool for DroneCAN configuration and monitoring. This application pro
## Access
**Official Entry**: https://can.vimdrones.com
**Official Entry**: https://can.ardupilot.org
**Backup Entry**: https://can.vimdrones.com
@@ -90,4 +90,4 @@ This project uses:
- Webpack 5 for bundling
- Babel for JavaScript transpilation
The development server runs on port 8080 with hot module replacement enabled.
The development server runs on port 8080 with hot module replacement enabled.

226
package-lock.json generated
View File

@@ -1,12 +1,12 @@
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@@ -4342,9 +4340,9 @@
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@@ -4789,9 +4787,9 @@
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"http-proxy-middleware": "^2.0.9",
"ipaddr.js": "^2.1.0",
"launch-editor": "^2.6.1",
"open": "^10.0.3",
@@ -7577,6 +7641,18 @@
}
}
},
"node_modules/webpack-dev-server/node_modules/@types/express-serve-static-core": {
"version": "4.19.6",
"resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-4.19.6.tgz",
"integrity": "sha512-N4LZ2xG7DatVqhCZzOGb1Yi5lMbXSZcmdLDe9EzSndPV2HpWYWzRbaerl2n27irrm94EPpprqa8KpskPT085+A==",
"license": "MIT",
"dependencies": {
"@types/node": "*",
"@types/qs": "*",
"@types/range-parser": "*",
"@types/send": "*"
}
},
"node_modules/webpack-merge": {
"version": "6.0.1",
"resolved": "https://registry.npmjs.org/webpack-merge/-/webpack-merge-6.0.1.tgz",

View File

@@ -1,6 +1,6 @@
{
"name": "dronecan-webtools",
"version": "1.0.1",
"version": "1.0.2",
"description": "",
"main": "index.js",
"scripts": {
@@ -22,6 +22,7 @@
"buffer": "^6.0.3",
"crypto-browserify": "^3.12.1",
"html-webpack-plugin": "^5.6.3",
"jspack": "^0.0.4",
"long": "^5.2.4",
"process": "^0.11.10",
"react": "^18.3.1",

View File

@@ -18,20 +18,12 @@ import ConnectionIndicators from './ConnectionIndicators';
import DnsIcon from '@mui/icons-material/Dns';
import LanIcon from '@mui/icons-material/Lan';
import CompactSidebar from './CompactSidebar';
import DNAServerModal from './DNAServerModal';
import DynamicNodeIdServer from './services/DynamicNodeIdServer';
window.mavlinkSession = new MavlinkSession();
window.localNode = new dronecan.Node({name: "com.vimdrones.web_gui"});
localNode.on('sendFrame', (messageId, data, len) => {
const msg = new mavlink20.messages.can_frame(
mavlinkSession.targetSystem, // target_system
mavlinkSession.targetComponent, // target_component
localNode.bus,
len,
messageId,
data.toString('binary')
);
mavlinkSession.sendMavlinkMsg(msg);
mavlinkSession.sendCanFrame(localNode.bus, messageId, data, len);
});
@@ -51,25 +43,26 @@ const App = () => {
const [snackbarMessage, setSnackbarMessage] = useState('');
const [snackbarSeverity, setSnackbarSeverity] = useState('info');
const [selectedBus, setSelectedBus] = useState(0);
const [dnaModalOpen, setDnaModalOpen] = useState(false);
const [dnaServerActive, setDnaServerActive] = useState(false);
const openWindow = (windowTitle, windowPath, windowSize) => {
if (subWindowRef[windowPath]) {
if (subWindowRef[windowPath] && !subWindowRef[windowPath].closed) {
subWindowRef[windowPath].focus();
return;
}
const newWindow = window.open(windowPath, windowTitle, windowSize);
if (newWindow) {
subWindowRef[windowPath] = newWindow;
setSubWindowRef(subWindowRef);
setSubWindowRef((prev) => ({ ...prev, [windowPath]: newWindow }));
newWindow.addEventListener('beforeunload', () => {
subWindowRef[windowPath] = null;
setSubWindowRef(subWindowRef);
setSubWindowRef((prev) => {
const next = { ...prev };
delete next[windowPath];
return next;
});
});
} else {
console.error(`Main: Failed to open ${windowName}`);
console.error(`Main: Failed to open ${windowTitle}`);
}
};
@@ -114,18 +107,24 @@ const App = () => {
setModalOpen(true);
};
const handleCloseModal = (serverRunning) => {
const handleCloseModal = () => {
setModalOpen(false);
setDnaServerActive(serverRunning);
};
const handleOpenDnaModal = () => {
setDnaModalOpen(true);
};
const handleToggleDnaServer = () => {
if (!window.dnaServer) {
window.dnaServer = new DynamicNodeIdServer(window.localNode);
}
const handleCloseDnaModal = (serverRunning) => {
setDnaModalOpen(false);
setDnaServerActive(serverRunning);
if (window.dnaServer.getStatus().isActive) {
window.dnaServer.stop();
setDnaServerActive(false);
showMessage('DNA server stopped', 'info');
} else {
const success = window.dnaServer.start(1, 125);
setDnaServerActive(success);
showMessage(success ? 'DNA server started' : 'Failed to start DNA server', success ? 'success' : 'error');
}
};
return (
@@ -198,7 +197,7 @@ const App = () => {
}} /> :
<DnsIcon />
}
onClick={handleOpenDnaModal}
onClick={handleToggleDnaServer}
sx={dnaServerActive ? {
borderColor: 'success.main',
'&:hover': {
@@ -285,11 +284,6 @@ const App = () => {
selectedBus={selectedBus}
onBusChange={handleBusChange}
/>
<DNAServerModal
open={dnaModalOpen}
onClose={handleCloseDnaModal}
showMessage={showMessage.bind(this)}
/>
<Snackbar
open={snackbarOpen}
autoHideDuration={6000}

View File

@@ -1,13 +1,15 @@
import React, { useState, useEffect } from 'react';
import {
Dialog, DialogTitle, DialogContent, DialogActions,
Dialog, DialogTitle, DialogContent,
Button, FormControl, InputLabel, Select, MenuItem,
Typography, Box, Divider, RadioGroup, FormControlLabel, Radio, Chip,
TextField, Tabs, Tab, Paper, IconButton
Typography, Box, Divider, Chip,
TextField, Paper, IconButton
} from '@mui/material';
import RefreshIcon from '@mui/icons-material/Refresh';
import UsbIcon from '@mui/icons-material/Usb';
import CloseIcon from '@mui/icons-material/Close';
import Visibility from '@mui/icons-material/Visibility';
import VisibilityOff from '@mui/icons-material/VisibilityOff';
import WebSerial from './web_serial';
// Add this constant at the top of your file, outside the component
@@ -62,6 +64,11 @@ const CONNECTION_TYPES = {
WEBSOCKET: 'websocket'
};
const SERIAL_PROTOCOLS = {
MAVLINK: 'mavlink',
SLCAN: 'slcan'
};
// Add this constant inside the ConnectionSettingsModal.js file, outside the component
const INTERFACE_BUS_LIST = [0, 1]; //BUS 1, BUS 2
@@ -74,10 +81,16 @@ const ConnectionSettingsModal = ({
selectedBus, // New prop
onBusChange // New prop
}) => {
// State for showing/hiding mavlink signing
const [showMavlinkSigning, setShowMavlinkSigning] = useState(false);
const handleToggleMavlinkSigning = () => {
setShowMavlinkSigning((show) => !show);
};
// Port and connection management
const [ports, setPorts] = useState([]);
const [selectedPort, setSelectedPort] = useState(null);
const [baudRate, setBaudRate] = useState(DEFAULT_BAUD_RATE);
const [serialProtocol, setSerialProtocol] = useState(SERIAL_PROTOCOLS.MAVLINK);
const [wsHost, setWsHost] = useState(DEFAULT_WS_HOST);
const [wsPort, setWsPort] = useState(DEFAULT_WS_PORT);
@@ -86,13 +99,16 @@ const ConnectionSettingsModal = ({
// Track active connection
const [activeConnection, setActiveConnection] = useState(null); // null, 'serial', or 'websocket'
const [activeSerialProtocol, setActiveSerialProtocol] = useState(null);
// Add these state variables after your other state declarations
const [ipError, setIpError] = useState('');
const [hostError, setHostError] = useState('');
const [portError, setPortError] = useState('');
// Add nodeId state to use the prop value
const [nodeId, setNodeId] = useState(127);
// Add mavlink signing state
const [mavlinkSigning, setMavlinkSigning] = useState('');
// Add state for the forwarding interval
const [forwardingInterval, setForwardingInterval] = useState(null);
@@ -228,9 +244,10 @@ const ConnectionSettingsModal = ({
if (activeConnection === 'serial') {
// Disconnect using close()
window.mavlinkSession.close();
// Update the UI regardless of connection state
setActiveConnection(null);
setActiveSerialProtocol(null);
onConnectionStatusChange(false);
showMessage('Serial connection closed', 'info');
@@ -255,25 +272,28 @@ const ConnectionSettingsModal = ({
}
}
window.mavlinkSession.initWebSerialConnection(port, baudRate);
window.mavlinkSession.initWebSerialConnection(port, baudRate, { protocol: serialProtocol });
window.mavlinkSession.addWebSerialOpenHandler(() => {
// Set Node ID and Bus for the local node
window.localNode.setNodeId(parseInt(nodeId, 10));
window.localNode.setBus(selectedBus);
window.localNode.setBus(selectedBus);
if (serialProtocol === SERIAL_PROTOCOLS.MAVLINK) {
const intervalId = setInterval(() => {
if (window.mavlinkSession) {
window.mavlinkSession.enableMavlinkCanForward(window.localNode.bus);
}
}, 1000);
setForwardingInterval(intervalId);
} else {
setForwardingInterval(null);
}
// Start the mavlinkCanForward interval
const intervalId = setInterval(() => {
if (window.mavlinkSession) {
window.mavlinkSession.enableMavlinkCanForward(window.localNode.bus);
}
}, 1000);
setForwardingInterval(intervalId);
setActiveConnection('serial');
setActiveSerialProtocol(serialProtocol);
setConnectionInProgress(false);
onConnectionStatusChange(true);
showMessage('Serial connection established', 'success');
showMessage(`Serial ${serialProtocol === SERIAL_PROTOCOLS.SLCAN ? 'SLCAN' : 'MAVLink'} connection established`, 'success');
})
window.mavlinkSession.addWebSerialErrorHandler((error) => {
@@ -315,34 +335,27 @@ const ConnectionSettingsModal = ({
return '';
}
// Check for IPv4 format
if (input.includes('.')) {
// If input matches IPv4 pattern, validate as IPv4, else treat as hostname/domain
const ipv4Pattern = /^\d{1,3}(\.\d{1,3}){3}$/;
if (ipv4Pattern.test(input)) {
const octets = input.split('.');
// An IPv4 address must have exactly 4 octets
if (octets.length !== 4) {
return 'Invalid IPv4 format';
}
// Each octet must be a number between 0 and 255
for (const octet of octets) {
const num = parseInt(octet, 10);
if (isNaN(num) || num < 0 || num > 255 || octet !== num.toString()) {
return 'Each part must be a number between 0-255';
}
}
// Valid IPv4
return '';
}
// Check for hostname format
const hostnamePattern = /^([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])(\.[a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])*$/;
// Check for hostname or domain (including subdomains)
// Allow domains like 'support.ardupilot.org', 'foo.local', etc.
const hostnamePattern = /^([a-zA-Z0-9]([a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?\.)*[a-zA-Z0-9]([a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?$/;
if (hostnamePattern.test(input)) {
return '';
}
return 'Invalid IP address or hostname';
};
@@ -377,11 +390,16 @@ const ConnectionSettingsModal = ({
}
};
// Handler for Mavlink Signing input
const handleMavlinkSigningChange = (e) => {
setMavlinkSigning(e.target.value);
};
// Update the ws host/port change handlers
const handleWsHostChange = (e) => {
const value = e.target.value;
setWsHost(value);
setIpError(validateIpAddress(value));
setHostError(validateIpAddress(value));
};
const handleWsPortChange = (e) => {
@@ -396,56 +414,52 @@ const ConnectionSettingsModal = ({
if (activeConnection === 'websocket') {
// Force close the connection
window.mavlinkSession.close();
// Always update the UI state regardless of actual connection state
setActiveConnection(null);
setActiveSerialProtocol(null);
onConnectionStatusChange(false);
showMessage('WebSocket connection closed', 'info');
// Clear the forwarding interval
if (forwardingInterval) {
clearInterval(forwardingInterval);
setForwardingInterval(null);
}
} else {
// Set in-progress state before attempting to connect
setConnectionInProgress(true);
// Validate both fields before connecting
const hostError = validateIpAddress(wsHost);
const portError = validatePort(wsPort);
setIpError(hostError);
setPortError(portError);
// Only connect if both validations pass
if (!hostError && !portError) {
const hostErr = validateIpAddress(wsHost);
const portErr = validatePort(wsPort);
setHostError(hostErr);
setPortError(portErr);
if (!hostErr && !portErr) {
if (activeConnection) {
window.mavlinkSession.close();
// Clear any existing interval
if (forwardingInterval) {
clearInterval(forwardingInterval);
}
}
// Use window.mavlinkSession consistently
window.mavlinkSession.initWebSocketConnection(wsHost, parseInt(wsPort, 10));
// Use wss if signing is present, else ws
const wsProtocol = mavlinkSigning ? 'wss' : 'ws';
// Compose the full URL for the websocket
const wsUrl = `${wsProtocol}://${wsHost}:${wsPort}`;
if (window.mavlinkSession.initWebSocketConnection.length === 1) {
// If the function expects a URL
window.mavlinkSession.initWebSocketConnection(wsUrl);
} else {
// Fallback to old signature (host, port)
window.mavlinkSession.initWebSocketConnection(wsHost, parseInt(wsPort, 10), mavlinkSigning);
}
window.mavlinkSession.addWebSocketOpenHandler(() => {
console.log('WebSocket connection open');
// Set Node ID and Bus for the local node
window.localNode.setNodeId(parseInt(nodeId, 10));
window.localNode.setBus(selectedBus);
// Start the mavlinkCanForward interval
const intervalId = setInterval(() => {
if (window.mavlinkSession) {
window.mavlinkSession.enableMavlinkCanForward(window.localNode.bus);
}
}, 1000);
setForwardingInterval(intervalId);
setActiveConnection('websocket');
setActiveSerialProtocol(null);
onConnectionStatusChange(true);
setConnectionInProgress(false);
showMessage('WebSocket connection established', 'success');
@@ -453,20 +467,13 @@ const ConnectionSettingsModal = ({
window.mavlinkSession.addWebSocketErrorHandler((error) => {
console.error('WebSocket error:', error);
// Clear any existing interval
if (forwardingInterval) {
clearInterval(forwardingInterval);
setForwardingInterval(null);
}
setActiveConnection(null);
onConnectionStatusChange(false);
// Reset in-progress state on error
setConnectionInProgress(false);
// Show error message using App's showMessage function
let errorMsg = 'Connection failed';
if (error && error.message) {
errorMsg = `Connection failed: ${error.message}`;
@@ -478,14 +485,12 @@ const ConnectionSettingsModal = ({
window.mavlinkSession.webSocketConnect();
} else {
// If validation fails, reset the in-progress state
setConnectionInProgress(false);
}
}
} catch (error) {
console.error('Error with WebSocket connection:', error);
showMessage(`WebSocket error: ${error.message || 'Unknown error'}`, 'error');
// Reset in-progress state on any error
setConnectionInProgress(false);
}
};
@@ -519,9 +524,9 @@ const ConnectionSettingsModal = ({
<Typography variant="h6">Adapter Settings</Typography>
<Box display="flex" alignItems="center" gap={1}>
{activeConnection && (
<Chip
label={`Connected via ${activeConnection}`}
color="success"
<Chip
label={activeConnection === 'serial' && activeSerialProtocol ? `Connected via serial (${activeSerialProtocol === SERIAL_PROTOCOLS.SLCAN ? 'SLCAN' : 'MAVLink'})` : `Connected via ${activeConnection}`}
color="success"
size="small"
variant="outlined"
/>
@@ -594,7 +599,19 @@ const ConnectionSettingsModal = ({
</FormControl>
</Box>
</Box>
<FormControl fullWidth size="small" disabled={activeConnection !== null}>
<InputLabel>Serial Protocol</InputLabel>
<Select
value={serialProtocol}
onChange={(e) => setSerialProtocol(e.target.value)}
label="Serial Protocol"
>
<MenuItem value={SERIAL_PROTOCOLS.MAVLINK}>MAVLink tunnel</MenuItem>
<MenuItem value={SERIAL_PROTOCOLS.SLCAN}>SLCAN / LAWICEL</MenuItem>
</Select>
</FormControl>
{/* Port action buttons */}
<Box sx={{ display: 'flex', gap: 1 }}>
<Button
@@ -650,8 +667,8 @@ const ConnectionSettingsModal = ({
disabled={activeConnection !== null}
size="small"
sx={{ flex: 3 }}
error={!!ipError}
helperText={ipError}
error={!!hostError}
helperText={hostError}
/>
<TextField
label="Port"
@@ -667,23 +684,23 @@ const ConnectionSettingsModal = ({
</Box>
<Box sx={{ display: 'flex', justifyContent: 'flex-end' }}>
<Button
onClick={handleWebSocketConnect}
color={activeConnection === 'websocket' ? "error" : "primary"}
variant="contained"
disabled={
connectionInProgress || // Disable when connection attempt is in progress
!!ipError ||
!!portError ||
!wsHost ||
!wsPort ||
(activeConnection !== null && activeConnection !== 'websocket')
}
size="small"
>
{activeConnection === 'websocket' ? 'Disconnect' :
connectionInProgress && !activeConnection ? 'Connecting...' : 'Connect'}
</Button>
<Button
onClick={handleWebSocketConnect}
color={activeConnection === 'websocket' ? "error" : "primary"}
variant="contained"
disabled={
connectionInProgress || // Disable when connection attempt is in progress
!!hostError ||
!!portError ||
!wsHost ||
!wsPort ||
(activeConnection !== null && activeConnection !== 'websocket')
}
size="small"
>
{activeConnection === 'websocket' ? 'Disconnect' :
connectionInProgress && !activeConnection ? 'Connecting...' : 'Connect'}
</Button>
</Box>
</Box>
</Paper>
@@ -691,7 +708,7 @@ const ConnectionSettingsModal = ({
<Divider />
{/* Bus Selection */}
{/* Bus Selection and Mavlink Signing */}
<Box>
<Box sx={{ display: 'flex', alignItems: 'center', gap: 2 }}>
<TextField
@@ -708,6 +725,29 @@ const ConnectionSettingsModal = ({
error={validateNodeId(nodeId) !== ''}
helperText={validateNodeId(nodeId)}
/>
<TextField
label="Mavlink Signing"
value={mavlinkSigning}
onChange={handleMavlinkSigningChange}
disabled={activeConnection !== null}
size="small"
placeholder="Secret Key"
type={showMavlinkSigning ? 'text' : 'password'}
sx={{ flex: 1 }}
InputProps={{
endAdornment: (
<IconButton
aria-label={showMavlinkSigning ? 'Hide secret' : 'Show secret'}
onClick={handleToggleMavlinkSigning}
edge="end"
size="small"
tabIndex={-1}
>
{showMavlinkSigning ? <VisibilityOff fontSize="small" /> : <Visibility fontSize="small" />}
</IconButton>
),
}}
/>
</Box>
</Box>
</Box>

View File

@@ -58,14 +58,119 @@ class FileServer {
* @param {string} path - The virtual path to register the file under
* @return {Promise} - Resolves when file is loaded
*/
/**
* Parse Intel HEX format and convert to binary ArrayBuffer
* @param {string} hexContent - The Intel HEX file content as string
* @returns {ArrayBuffer} - Binary data
*/
parseIntelHex(hexContent) {
const lines = hexContent.split(/\r?\n/);
let binaryData = [];
let minAddress = Infinity;
let maxAddress = 0;
let addressMap = {};
let baseAddress = 0; // For extended address records
for (let line of lines) {
line = line.trim();
if (!line || !line.startsWith(':')) continue;
// Parse Intel HEX record
const byteCount = parseInt(line.substring(1, 3), 16);
const address = parseInt(line.substring(3, 7), 16);
const recordType = parseInt(line.substring(7, 9), 16);
const data = line.substring(9, 9 + (byteCount * 2));
const checksum = parseInt(line.substring(9 + (byteCount * 2), 9 + (byteCount * 2) + 2), 16);
// Verify checksum
let sum = byteCount + ((address >> 8) & 0xFF) + (address & 0xFF) + recordType;
for (let i = 0; i < data.length; i += 2) {
sum += parseInt(data.substring(i, i + 2), 16);
}
sum = (~sum + 1) & 0xFF;
if (sum !== checksum) {
throw new Error(`Checksum mismatch in line: ${line}`);
}
if (recordType === 0x00) { // Data record
const bytes = [];
for (let i = 0; i < data.length; i += 2) {
bytes.push(parseInt(data.substring(i, i + 2), 16));
}
// Store data at address (with base address offset)
for (let i = 0; i < bytes.length; i++) {
const addr = baseAddress + address + i;
addressMap[addr] = bytes[i];
minAddress = Math.min(minAddress, addr);
maxAddress = Math.max(maxAddress, addr);
}
} else if (recordType === 0x04) { // Extended Linear Address
// Upper 16 bits of address
const upperAddress = parseInt(data, 16);
baseAddress = upperAddress << 16;
console.log(`Extended Linear Address: base = 0x${baseAddress.toString(16)}`);
} else if (recordType === 0x02) { // Extended Segment Address
// Segment address (multiply by 16)
const segmentAddress = parseInt(data, 16);
baseAddress = segmentAddress << 4;
console.log(`Extended Segment Address: base = 0x${baseAddress.toString(16)}`);
} else if (recordType === 0x01) { // End of file
console.log('End of Intel HEX file');
break;
}
}
if (minAddress === Infinity) {
throw new Error('No data found in Intel HEX file');
}
// Convert to contiguous binary array
const size = maxAddress - minAddress + 1;
const buffer = new ArrayBuffer(size);
const view = new Uint8Array(buffer);
// Fill with 0xFF (typical for flash memory)
view.fill(0xFF);
// Copy data
for (let addr = minAddress; addr <= maxAddress; addr++) {
if (addressMap[addr] !== undefined) {
view[addr - minAddress] = addressMap[addr];
}
}
console.log(`Intel HEX parsed: ${lines.length} lines, address range 0x${minAddress.toString(16)}-0x${maxAddress.toString(16)}, binary size: ${size} bytes`);
return buffer;
}
loadFile(file, path = null) {
return new Promise((resolve, reject) => {
// Use the file name as the path if no path is provided
const filePath = path || file.name;
// Check if this is a .hex file
const isHexFile = file.name.toLowerCase().endsWith('.hex');
const reader = new FileReader();
reader.onload = (e) => {
const buffer = e.target.result;
let buffer;
if (isHexFile) {
// Parse Intel HEX format
const hexContent = e.target.result;
try {
buffer = this.parseIntelHex(hexContent);
} catch (error) {
console.error('Error parsing Intel HEX file:', error);
reject(new Error('Invalid Intel HEX format'));
return;
}
} else {
// Use raw binary data for .bin files
buffer = e.target.result;
}
this.files[filePath] = {
name: file.name,
size: buffer.byteLength,
@@ -82,7 +187,12 @@ class FileServer {
reject(error);
};
reader.readAsArrayBuffer(file);
// Read as text for .hex files, as binary for others
if (isHexFile) {
reader.readAsText(file);
} else {
reader.readAsArrayBuffer(file);
}
});
}

View File

@@ -17,11 +17,11 @@ const FirmwareUpdateModal = ({ open, onClose, targetNodeId }) => {
const file = event.target.files[0];
if (!file) return;
// Validate file extension is .bin
// Validate file extension is .bin or .hex
const fileExtension = file.name.split('.').pop().toLowerCase();
if (fileExtension !== 'bin') {
if (fileExtension !== 'bin' && fileExtension !== 'hex') {
setUpdateStatus('error');
setStatusMessage('Invalid file type. Please select a .bin firmware file.');
setStatusMessage('Invalid file type. Please select a .bin or .hex firmware file.');
return;
}
@@ -143,7 +143,7 @@ const FirmwareUpdateModal = ({ open, onClose, targetNodeId }) => {
<DialogTitle>Firmware Update</DialogTitle>
<DialogContent>
<Typography variant="body2" gutterBottom>
Please select the firmware file (.bin) to upload to node {targetNodeId}.
Please select the firmware file (.bin|.hex) to upload to node {targetNodeId}.
</Typography>
<Button
@@ -156,7 +156,7 @@ const FirmwareUpdateModal = ({ open, onClose, targetNodeId }) => {
<input
type="file"
hidden
accept=".bin"
accept=".bin,.hex"
onChange={handleFileChange}
/>
</Button>

View File

@@ -1,4 +1,4 @@
import React, { useState } from 'react';
import React, { useState, useRef } from 'react';
import {
Box, Button, Table, TableBody, TableCell, TableContainer,
TableHead, TableRow, Typography, Paper, Tooltip, Chip
@@ -18,6 +18,9 @@ const OPCODE_ERASE = 1;
const NodeParam = ({ nodeId, nodes }) => {
const [modalOpen, setModalOpen] = useState(false);
const [editParamIndex, setEditParamIndex] = useState(null);
const [paramsUpdateTimestamp, setParamsUpdateTimestamp] = useState(0);
const [fetchingParams, setFetchingParams] = useState(false);
const fetchTimeoutRef = useRef(null);
if (!nodeId) return null;
const node = nodes[nodeId];
@@ -25,19 +28,40 @@ const NodeParam = ({ nodeId, nodes }) => {
const handleFetchParams = () => {
const localNode = window.localNode;
let currentParamIndex = 0;
let currentParamIndex = 0;
setFetchingParams(true);
setParamsUpdateTimestamp(Date.now());
if (fetchTimeoutRef.current) clearTimeout(fetchTimeoutRef.current);
const resetFetchTimeout = () => {
if (fetchTimeoutRef.current) clearTimeout(fetchTimeoutRef.current);
fetchTimeoutRef.current = setTimeout(() => {
setFetchingParams(false);
console.warn(`Fetch params timed out for node ${nodeId} at index ${currentParamIndex}`);
}, 3000);
};
const callback = (transfer) => {
const msg = transfer.payload;
console.log('Param response:', { nodeId: transfer.sourceNodeId, index: currentParamIndex, name: msg?.fields?.name?.toString?.() });
if (msg && msg.fields.name.items.length > 0) {
if (msg && transfer.destNodeId === localNode.nodeId) {
localNode.updateNodeParamsFromResponse(transfer, currentParamIndex);
setParamsUpdateTimestamp(Date.now());
currentParamIndex += 1;
localNode.fetchNodeParam(nodeId, currentParamIndex, '', callback);
resetFetchTimeout();
localNode.fetchNodeParam(nodeId, currentParamIndex, '', callback);
}
} else {
setFetchingParams(false);
setParamsUpdateTimestamp(Date.now());
if (fetchTimeoutRef.current) clearTimeout(fetchTimeoutRef.current);
console.log(`Finished fetching params for node ${nodeId}`);
}
};
localNode.fetchNodeParam(nodeId, 0, '', callback);
resetFetchTimeout();
localNode.fetchNodeParam(nodeId, 0, '', callback);
};
const handleEraseParams = () => {
@@ -341,8 +365,9 @@ const NodeParam = ({ nodeId, nodes }) => {
variant="contained"
sx={{ mr: 1 }}
startIcon={<SyncIcon />}
disabled={fetchingParams}
>
Fetch All
{fetchingParams ? 'Fetching...' : 'Fetch All'}
</Button>
<Button
onClick={handleSaveParams}
@@ -386,7 +411,8 @@ const NodeParam = ({ nodeId, nodes }) => {
</Box>
</Box>
{renderNodeParams()}
<ParamEditorSelector
<span style={{ display: 'none' }}>{paramsUpdateTimestamp}</span>
<ParamEditorSelector
open={modalOpen}
onClose={() => setModalOpen(false)}
nodeId={nodeId}

View File

@@ -187,7 +187,7 @@ class Node extends EventEmitter {
this.emit(topicName, transfer);
}
} else {
if (!transfer.dataTypeId || !transfer.payload) {
if (transfer.dataTypeId === null || transfer.dataTypeId === undefined || !transfer.payload) {
// console.error('#TODO dataTypeId or payload is null');
return;
}
@@ -425,7 +425,7 @@ class Node extends EventEmitter {
}
fetchNodeParam(sourceNodeId, index, name, callback=null) {
// console.log('Fetching node param:', sourceNodeId, index, name);
console.log('Fetching node param:', sourceNodeId, index, name);
// const currentRequestIndex = index;
this.nodeParamsRequestingNodeId = sourceNodeId;
this.setNodeParamsRequestingIndex(sourceNodeId, index);

View File

@@ -0,0 +1,270 @@
/*!
* Copyright © 2008 Fair Oaks Labs, Inc.
* All rights reserved.
*/
// Utility object: Encode/Decode C-style binary primitives to/from octet arrays
function JSPack()
{
// Module-level (private) variables
var el, bBE = false, m = this;
// Raw byte arrays
m._DeArray = function (a, p, l)
{
return [a.slice(p,p+l)];
};
m._EnArray = function (a, p, l, v)
{
for (var i = 0; i < l; a[p+i] = v[i]?v[i]:0, i++);
};
// ASCII characters
m._DeChar = function (a, p)
{
return String.fromCharCode(a[p]);
};
m._EnChar = function (a, p, v)
{
a[p] = v.charCodeAt(0);
};
// Little-endian (un)signed N-byte integers
m._DeInt = function (a, p)
{
var lsb = bBE?(el.len-1):0, nsb = bBE?-1:1, stop = lsb+nsb*el.len, rv, i, f;
for (rv = 0, i = lsb, f = 1; i != stop; rv+=(a[p+i]*f), i+=nsb, f*=256);
if (el.bSigned && (rv & Math.pow(2, el.len*8-1))) { rv -= Math.pow(2, el.len*8); }
return rv;
};
m._EnInt = function (a, p, v)
{
var lsb = bBE?(el.len-1):0, nsb = bBE?-1:1, stop = lsb+nsb*el.len, i;
v = (v<el.min)?el.min:(v>el.max)?el.max:v;
for (i = lsb; i != stop; a[p+i]=v&0xff, i+=nsb, v>>=8);
};
// ASCII character strings
m._DeString = function (a, p, l)
{
for (var rv = new Array(l), i = 0; i < l; rv[i] = String.fromCharCode(a[p+i]), i++);
return rv.join('');
};
m._EnString = function (a, p, l, v)
{
for (var t, i = 0; i < l; a[p+i] = (t=v.charCodeAt(i))?t:0, i++);
};
// Little-endian N-bit IEEE 754 floating point
m._De754 = function (a, p)
{
var s, e, m, i, d, nBits, mLen, eLen, eBias, eMax;
mLen = el.mLen, eLen = el.len*8-el.mLen-1, eMax = (1<<eLen)-1, eBias = eMax>>1;
i = bBE?0:(el.len-1); d = bBE?1:-1; s = a[p+i]; i+=d; nBits = -7;
for (e = s&((1<<(-nBits))-1), s>>=(-nBits), nBits += eLen; nBits > 0; e=e*256+a[p+i], i+=d, nBits-=8);
for (m = e&((1<<(-nBits))-1), e>>=(-nBits), nBits += mLen; nBits > 0; m=m*256+a[p+i], i+=d, nBits-=8);
switch (e)
{
case 0:
// Zero, or denormalized number
e = 1-eBias;
break;
case eMax:
// NaN, or +/-Infinity
return m?NaN:((s?-1:1)*Infinity);
default:
// Normalized number
m = m + Math.pow(2, mLen);
e = e - eBias;
break;
}
return (s?-1:1) * m * Math.pow(2, e-mLen);
};
m._En754 = function (a, p, v)
{
var s, e, m, i, d, c, mLen, eLen, eBias, eMax;
mLen = el.mLen, eLen = el.len*8-el.mLen-1, eMax = (1<<eLen)-1, eBias = eMax>>1;
s = v<0?1:0;
v = Math.abs(v);
if (isNaN(v) || (v == Infinity))
{
m = isNaN(v)?1:0;
e = eMax;
}
else
{
e = Math.floor(Math.log(v)/Math.LN2); // Calculate log2 of the value
if (v*(c = Math.pow(2, -e)) < 1) { e--; c*=2; } // Math.log() isn't 100% reliable
// Round by adding 1/2 the significand's LSD
if (e+eBias >= 1) { v += el.rt/c; } // Normalized: mLen significand digits
else { v += el.rt*Math.pow(2, 1-eBias); } // Denormalized: <= mLen significand digits
if (v*c >= 2) { e++; c/=2; } // Rounding can increment the exponent
if (e+eBias >= eMax)
{
// Overflow
m = 0;
e = eMax;
}
else if (e+eBias >= 1)
{
// Normalized - term order matters, as Math.pow(2, 52-e) and v*Math.pow(2, 52) can overflow
m = (v*c-1)*Math.pow(2, mLen);
e = e + eBias;
}
else
{
// Denormalized - also catches the '0' case, somewhat by chance
m = v*Math.pow(2, eBias-1)*Math.pow(2, mLen);
e = 0;
}
}
for (i = bBE?(el.len-1):0, d=bBE?-1:1; mLen >= 8; a[p+i]=m&0xff, i+=d, m/=256, mLen-=8);
for (e=(e<<mLen)|m, eLen+=mLen; eLen > 0; a[p+i]=e&0xff, i+=d, e/=256, eLen-=8);
a[p+i-d] |= s*128;
};
// Convert int64 to array with 3 elements: [lowBits, highBits, unsignedFlag]
// '>>>' trick to convert signed 32bit int to unsigned int (because << always results in a signed 32bit int)
m._DeInt64 = function (a, p) {
var start = bBE ? 0 : 7, nsb = bBE ? 1 : -1, stop = start + nsb * 8, rv = [0,0, !el.bSigned], i, f, rvi;
for (i = start, rvi = 1, f = 0;
i != stop;
rv[rvi] = (((rv[rvi]<<8)>>>0) + a[p + i]), i += nsb, f++, rvi = (f < 4 ? 1 : 0));
return rv;
};
m._EnInt64 = function (a, p, v) {
var start = bBE ? 0 : 7, nsb = bBE ? 1 : -1, stop = start + nsb * 8, i, f, rvi, s;
for (i = start, rvi = 1, f = 0, s = 24;
i != stop;
a[p + i] = v[rvi]>>s & 0xff, i += nsb, f++, rvi = (f < 4 ? 1 : 0), s = 24 - (8 * (f % 4)));
};
// Class data
m._sPattern = '(\\d+)?([AxcbBhHsfdiIlLqQ])';
m._lenLut = {'A':1, 'x':1, 'c':1, 'b':1, 'B':1, 'h':2, 'H':2, 's':1, 'f':4, 'd':8, 'i':4, 'I':4, 'l':4, 'L':4, 'q':8, 'Q':8};
m._elLut = { 'A': {en:m._EnArray, de:m._DeArray},
's': {en:m._EnString, de:m._DeString},
'c': {en:m._EnChar, de:m._DeChar},
'b': {en:m._EnInt, de:m._DeInt, len:1, bSigned:true, min:-Math.pow(2, 7), max:Math.pow(2, 7)-1},
'B': {en:m._EnInt, de:m._DeInt, len:1, bSigned:false, min:0, max:Math.pow(2, 8)-1},
'h': {en:m._EnInt, de:m._DeInt, len:2, bSigned:true, min:-Math.pow(2, 15), max:Math.pow(2, 15)-1},
'H': {en:m._EnInt, de:m._DeInt, len:2, bSigned:false, min:0, max:Math.pow(2, 16)-1},
'i': {en:m._EnInt, de:m._DeInt, len:4, bSigned:true, min:-Math.pow(2, 31), max:Math.pow(2, 31)-1},
'I': {en:m._EnInt, de:m._DeInt, len:4, bSigned:false, min:0, max:Math.pow(2, 32)-1},
'l': {en:m._EnInt, de:m._DeInt, len:4, bSigned:true, min:-Math.pow(2, 31), max:Math.pow(2, 31)-1},
'L': {en:m._EnInt, de:m._DeInt, len:4, bSigned:false, min:0, max:Math.pow(2, 32)-1},
'f': {en:m._En754, de:m._De754, len:4, mLen:23, rt:Math.pow(2, -24)-Math.pow(2, -77)},
'd': {en:m._En754, de:m._De754, len:8, mLen:52, rt:0},
'q': {en:m._EnInt64, de:m._DeInt64, bSigned:true},
'Q': {en:m._EnInt64, de:m._DeInt64, bSigned:false}};
// Unpack a series of n elements of size s from array a at offset p with fxn
m._UnpackSeries = function (n, s, a, p)
{
for (var fxn = el.de, rv = [], i = 0; i < n; rv.push(fxn(a, p+i*s)), i++);
return rv;
};
// Pack a series of n elements of size s from array v at offset i to array a at offset p with fxn
m._PackSeries = function (n, s, a, p, v, i)
{
for (var fxn = el.en, o = 0; o < n; fxn(a, p+o*s, v[i+o]), o++);
};
// Unpack the octet array a, beginning at offset p, according to the fmt string
m.Unpack = function (fmt, a, p)
{
// Set the private bBE flag based on the format string - assume big-endianness
bBE = (fmt.charAt(0) != '<');
p = p?p:0;
var re = new RegExp(this._sPattern, 'g'), m, n, s, rv = [];
while (m = re.exec(fmt))
{
n = ((m[1]==undefined)||(m[1]==''))?1:parseInt(m[1]);
s = this._lenLut[m[2]];
if ((p + n*s) > a.length)
{
return undefined;
}
switch (m[2])
{
case 'A': case 's':
rv.push(this._elLut[m[2]].de(a, p, n));
break;
case 'c': case 'b': case 'B': case 'h': case 'H':
case 'i': case 'I': case 'l': case 'L': case 'f': case 'd': case 'q': case 'Q':
el = this._elLut[m[2]];
rv.push(this._UnpackSeries(n, s, a, p));
break;
}
p += n*s;
}
return Array.prototype.concat.apply([], rv);
};
// Pack the supplied values into the octet array a, beginning at offset p, according to the fmt string
m.PackTo = function (fmt, a, p, values)
{
// Set the private bBE flag based on the format string - assume big-endianness
bBE = (fmt.charAt(0) != '<');
var re = new RegExp(this._sPattern, 'g'), m, n, s, i = 0, j;
while (m = re.exec(fmt))
{
n = ((m[1]==undefined)||(m[1]==''))?1:parseInt(m[1]);
s = this._lenLut[m[2]];
if ((p + n*s) > a.length)
{
return false;
}
switch (m[2])
{
case 'A': case 's':
if ((i + 1) > values.length) { return false; }
this._elLut[m[2]].en(a, p, n, values[i]);
i += 1;
break;
case 'c': case 'b': case 'B': case 'h': case 'H':
case 'i': case 'I': case 'l': case 'L': case 'f': case 'd': case 'q': case 'Q':
el = this._elLut[m[2]];
if ((i + n) > values.length) { return false; }
this._PackSeries(n, s, a, p, values, i);
i += n;
break;
case 'x':
for (j = 0; j < n; j++) { a[p+j] = 0; }
break;
}
p += n*s;
}
return a;
};
// Pack the supplied values into a new octet array, according to the fmt string
m.Pack = function (fmt, values)
{
return this.PackTo(fmt, new Array(this.CalcLength(fmt)), 0, values);
};
// Determine the number of bytes represented by the format string
m.CalcLength = function (fmt)
{
var re = new RegExp(this._sPattern, 'g'), m, sum = 0;
while (m = re.exec(fmt))
{
sum += (((m[1]==undefined)||(m[1]==''))?1:parseInt(m[1])) * this._lenLut[m[2]];
}
return sum;
};
};
exports.jspack = new JSPack();

File diff suppressed because it is too large Load Diff

View File

@@ -1,8 +1,9 @@
import { EventEmitter } from 'events';
import WebSocketClient from './ws_client';
import WebSerial from './web_serial';
import { mavlink20, MAVLink20Processor } from './mavlink';
import SlcanCodec from './slcan';
import dronecan from './dronecan';
import './mavlink';
class MavlinkSession extends EventEmitter {
constructor() {
@@ -12,6 +13,8 @@ class MavlinkSession extends EventEmitter {
this.mavlinkProcessor = new MAVLink20Processor(null, this.targetSystem, this.targetComponent);
this.wsClient = null;
this.serial = null;
this.serialProtocol = 'mavlink';
this.slcanCodec = null;
this.parseBuffer = this.parseBuffer.bind(this);
}
@@ -27,8 +30,20 @@ class MavlinkSession extends EventEmitter {
}
}
initWebSocketConnection(ip, port) {
this.wsClient = new WebSocketClient(`ws://${ip}:${port}`);
initWebSocketConnection(ip, port, mavlinkSigning='') {
this.serialProtocol = 'mavlink';
this.slcanCodec = null;
if (mavlinkSigning) {
const enc = new TextEncoder();
const data = enc.encode(mavlinkSigning);
const hash = mavlink20.sha256(data);
this.mavlinkProcessor.signing.secret_key = new Uint8Array(hash);
this.mavlinkProcessor.signing.sign_outgoing = true;
this.wsClient = new WebSocketClient(`wss://${ip}:${port}`);
} else {
this.wsClient = new WebSocketClient(`ws://${ip}:${port}`);
}
this.mavlinkProcessor.file = this.wsClient;
this.wsClient.addMessageHandler((buffer) => {
@@ -40,13 +55,21 @@ class MavlinkSession extends EventEmitter {
this.wsClient.connect();
}
initWebSerialConnection(port, baudRate) {
initWebSerialConnection(port, baudRate, options = {}) {
this.serial = new WebSerial(port, baudRate);
this.mavlinkProcessor.file = this.serial;
this.serialProtocol = options.protocol || 'mavlink';
this.slcanCodec = this.serialProtocol === 'slcan' ? new SlcanCodec() : null;
if (this.serialProtocol === 'mavlink') {
this.mavlinkProcessor.file = this.serial;
}
this.serial.addMessageHandler((buffer) => {
// console.log('Received buffer:', buffer);
this.parseBuffer(buffer);
if (this.serialProtocol === 'slcan') {
this.parseSlcanBuffer(buffer);
} else {
this.parseBuffer(buffer);
}
});
}
@@ -63,7 +86,11 @@ class MavlinkSession extends EventEmitter {
}
webSerialConnect() {
this.serial.connect();
this.serial.connect().then(() => {
if (this.serialProtocol === 'slcan') {
this.openSlcanChannel();
}
});
}
close() {
@@ -75,6 +102,17 @@ class MavlinkSession extends EventEmitter {
}
}
openSlcanChannel() {
if (!this.serial || this.serialProtocol !== 'slcan') return;
console.log('SLCAN: opening CAN channel');
setTimeout(() => {
if (this.serial && this.serial.connected) {
this.serial.write('O\r');
}
}, 0);
}
parseBuffer(buffer) {
// console.log('Parsing buffer:', buffer);
const messages = this.mavlinkProcessor.parseBuffer(buffer);
@@ -85,6 +123,21 @@ class MavlinkSession extends EventEmitter {
}
}
parseSlcanBuffer(buffer) {
this.slcanCodec.feed(
buffer,
({ id, data, len }) => {
console.log('SLCAN RX frame:', { id: id.toString(16), len, data });
if (typeof localNode !== 'undefined' && localNode) {
localNode.emit('can-frame', (id | dronecan.TransferManager.FlagEFF) >>> 0, data, len);
}
if (this.listenerCount('mav-rx') > 0) {
this.emit('mav-rx', { protocol: 'slcan', id, data, len });
}
}
);
}
handleMavlinkMsg(message) {
switch (message._id) {
case mavlink20.MAVLINK_MSG_ID_HEARTBEAT:
@@ -110,21 +163,49 @@ class MavlinkSession extends EventEmitter {
default:
}
if (this.getMaxListeners('mav-rx') > 0) {
if (this.listenerCount('mav-rx') > 0) {
this.emit('mav-rx', message);
}
}
sendMavlinkMsg(msg) {
if (this.serialProtocol === 'slcan') return;
if ((this.wsClient && this.wsClient.connected) || (this.serial && this.serial.connected)) {
this.mavlinkProcessor.send(msg);
if (this.getMaxListeners('mav-tx') > 0) {
if (this.listenerCount('mav-tx') > 0) {
this.emit('mav-tx', msg);
}
}
}
sendCanFrame(bus, messageId, data, len) {
if (this.serialProtocol === 'slcan') {
if (this.serial && this.serial.connected && this.slcanCodec) {
const line = this.slcanCodec.encodeExtendedFrame(messageId, data, len);
console.log('SLCAN TX frame:', line.trim());
this.serial.write(line);
if (this.listenerCount('mav-tx') > 0) {
this.emit('mav-tx', { protocol: 'slcan', id: messageId, data, len });
}
}
return;
}
const msg = new mavlink20.messages.can_frame(
this.targetSystem,
this.targetComponent,
bus,
len,
messageId,
data.toString('binary')
);
this.sendMavlinkMsg(msg);
}
enableMavlinkCanForward(bus) {
if (this.serialProtocol === 'slcan') return;
// console.log('Enabling CAN forward on bus:', bus);
const msg = new mavlink20.messages.command_long(
this.targetSystem, // target_system

132
src/slcan.js Normal file
View File

@@ -0,0 +1,132 @@
class SlcanCodec {
constructor() {
this.buffer = '';
this.decoder = new TextDecoder('ascii');
}
feed(chunk, onFrame, onError) {
const text = this.decoder.decode(chunk, { stream: true });
if (text.includes('\x07')) {
console.warn('SLCAN adapter returned NACK');
}
this.buffer += text.replace(/\x07/g, '');
this.parseBuffer(onFrame);
}
parseBuffer(onFrame) {
while (this.buffer.length > 0) {
this.buffer = this.buffer.replace(/^[\r\n]+/, '');
if (!this.buffer) return;
const frameStart = this.buffer.search(/[TtRr]/);
if (frameStart === -1) {
this.buffer = '';
return;
}
if (frameStart > 0) {
this.buffer = this.buffer.slice(frameStart);
}
const type = this.buffer[0];
if (type === 'T') {
if (this.buffer.length < 10) return;
const dlcText = this.buffer[9];
if (!/^[0-8]$/.test(dlcText)) {
console.warn(`Malformed SLCAN frame header: ${this.buffer.slice(0, 10)}`);
this.buffer = this.buffer.slice(1);
continue;
}
const dlc = parseInt(dlcText, 16);
const frameLength = 10 + dlc * 2;
if (this.buffer.length < frameLength) return;
const line = this.buffer.slice(0, frameLength);
this.buffer = this.buffer.slice(frameLength).replace(/^[\r\n]+/, '');
this.parseLine(line, onFrame);
continue;
}
if (type === 't') {
if (this.buffer.length < 5) return;
const dlcText = this.buffer[4];
if (!/^[0-8]$/.test(dlcText)) {
this.buffer = this.buffer.slice(1);
continue;
}
const frameLength = 5 + parseInt(dlcText, 16) * 2;
if (this.buffer.length < frameLength) return;
this.buffer = this.buffer.slice(frameLength).replace(/^[\r\n]+/, '');
continue;
}
const lineEndIndex = this.findLineEnd();
if (lineEndIndex === -1) return;
this.buffer = this.buffer.slice(lineEndIndex + 1);
}
}
findLineEnd() {
const crIndex = this.buffer.indexOf('\r');
const lfIndex = this.buffer.indexOf('\n');
if (crIndex === -1) return lfIndex;
if (lfIndex === -1) return crIndex;
return Math.min(crIndex, lfIndex);
}
parseLine(line, onFrame) {
if (!line) return;
const type = line[0];
if (type === 't' || type === 'r' || type === 'R') return;
if (type !== 'T') return;
if (line.length < 10) {
console.warn(`Malformed SLCAN frame: ${line}`);
return;
}
const idText = line.slice(1, 9);
const dlcText = line[9];
if (!/^[0-9a-fA-F]{8}$/.test(idText) || !/^[0-8]$/.test(dlcText)) {
console.warn(`Malformed SLCAN frame: ${line}`);
return;
}
const dlc = parseInt(dlcText, 16);
const dataText = line.slice(10, 10 + dlc * 2);
if (dataText.length !== dlc * 2 || !/^[0-9a-fA-F]*$/.test(dataText)) {
console.warn(`Malformed SLCAN payload: ${line}`);
return;
}
const data = new Uint8Array(dlc);
for (let i = 0; i < dlc; i++) {
data[i] = parseInt(dataText.slice(i * 2, i * 2 + 2), 16);
}
onFrame?.({
id: parseInt(idText, 16) & 0x1FFFFFFF,
data,
len: dlc,
});
}
encodeExtendedFrame(messageId, data, len) {
const canId = messageId & 0x1FFFFFFF;
const frameLength = Math.min(len, data.length ?? len);
if (frameLength > 8) {
throw new Error('SLCAN classic CAN frames support a maximum DLC of 8');
}
let dataHex = '';
for (let i = 0; i < frameLength; i++) {
dataHex += data[i].toString(16).toUpperCase().padStart(2, '0');
}
return `T${canId.toString(16).toUpperCase().padStart(8, '0')}${frameLength.toString(16).toUpperCase()}${dataHex}\r`;
}
}
export default SlcanCodec;

View File

@@ -12,6 +12,7 @@ class WebSocketClient {
connect() {
// Reset connected status before attempting a new connection
this.connected = false;
console.log(`Connecting to WebSocket at ${this.url}`);
this.socket = new WebSocket(this.url);
this.socket.addEventListener('open', (event) => {