/system/status 检查设备状态...';
}
try {
var resp = await fetch(baseUrl + '/system/status', { signal: AbortSignal.timeout(3000) });
if (!resp.ok) {
setConnectionState(false, 'HTTP ' + resp.status, '', '');
if (el.connectionNote) {
el.connectionNote.className = 'helper-note err';
el.connectionNote.innerHTML = '状态接口返回 HTTP ' + resp.status + '，请确认设备地址和 HTTP 服务。';
}
showToast('设备响应异常: HTTP ' + resp.status, 'error');
return;
}
var data = await resp.json();
state.latestStatus = data;
var wifi = data.wifi || {};
var connected = !!wifi.connected;
var mode = wifi.mode || 'STA';
var text = connected ? (mode + ' 已连接') : (mode + ' 未连接');
setConnectionState(connected, text, data.version, data.build_time);
if (el.connectionNote) {
el.connectionNote.className = 'helper-note ' + (connected ? 'ok' : 'warn');
el.connectionNote.innerHTML =
'IP: ' + sanitizeHtml(wifi.ip || '--') + '，RSSI: ' +
sanitizeHtml(wifi.rssi !== undefined && wifi.rssi !== -127 ? (wifi.rssi + ' dBm') : '--') +
'，运行: ' + sanitizeHtml(formatUptime(data.uptime_sec)) + '';
}
showToast(connected ? 'ESP32 当前在线' : '设备已响应，但 WiFi 未连接', connected ? 'success' : 'warning');
} catch (err) {
setConnectionState(false, '连接失败', '', '');
if (el.connectionNote) {
el.connectionNote.className = 'helper-note err';
el.connectionNote.innerHTML = '无法访问 /system/status：' + sanitizeHtml(err.message);
}
showToast('连接失败: ' + err.message, 'error');
}
}
function formatUptime(sec) {
if (!Number.isFinite(sec) || sec < 0) return '--';
var s = Math.floor(sec);
var days = Math.floor(s / 86400);
s %= 86400;
var hours = Math.floor(s / 3600);
s %= 3600;
var mins = Math.floor(s / 60);
s %= 60;
if (days > 0) return days + 'd ' + hours + 'h';
if (hours > 0) return hours + 'h ' + mins + 'm';
if (mins > 0) return mins + 'm ' + s + 's';
return s + 's';
}
function normalizeWhitespace(text) {
return String(text || '').replace(/\r/g, '').trim();
}
function parseDbc(text) {
var lines = String(text || '').replace(/\r/g, '').split('\n');
var messages = [];
var messageMap = {};
var comments = { messages: {}, signals: {} };
var valueTables = {};
var nodeNames = [];
var current = null;
for (var i = 0; i < lines.length; i++) {
var line = lines[i].trim();
if (!line) continue;
var nodeMatch = line.match(/^BU_\s*:\s*(.*)$/);
if (nodeMatch) {
nodeNames = nodeMatch[1].trim() ? nodeMatch[1].trim().split(/\s+/) : [];
continue;
}
var messageMatch = line.match(/^BO_\s+(\d+)\s+([A-Za-z0-9_]+)\s*:\s*(\d+)\s+(.+)$/);
if (messageMatch) {
current = {
idRaw: parseInt(messageMatch[1], 10),
name: messageMatch[2],
dlc: parseInt(messageMatch[3], 10),
transmitter: messageMatch[4].trim(),
signals: [],
comment: ''
};
current.id = current.idRaw & 0x1FFFFFFF;
current.isExtended = current.idRaw > 0x7FF;
current.key = String(current.idRaw) + ':' + current.name;
messages.push(current);
messageMap[current.idRaw] = current;
continue;
}
var signalMatch = line.match(/^SG_\s+([A-Za-z0-9_]+)(?:\s+((?:M|m-?\d+)))?\s*:\s*(\d+)\|(\d+)@([01])([+-])\s+\(([^\),]+),([^\)]+)\)\s+\[([^\|]*)\|([^\]]*)\]\s+"([^"]*)"\s+(.+)$/);
if (signalMatch && current) {
var muxInfo = parseMultiplexToken(signalMatch[2]);
current.signals.push({
name: signalMatch[1],
startBit: parseInt(signalMatch[3], 10),
length: parseInt(signalMatch[4], 10),
byteOrder: signalMatch[5] === '1' ? 'little' : 'big',
isSigned: signalMatch[6] === '-',
factor: parseFloat(signalMatch[7]),
offset: parseFloat(signalMatch[8]),
min: signalMatch[9].trim() === '' ? null : parseFloat(signalMatch[9]),
max: signalMatch[10].trim() === '' ? null : parseFloat(signalMatch[10]),
unit: signalMatch[11],
receivers: signalMatch[12].split(/\s*,\s*/),
comment: '',
valueType: 'int',
enumMap: {},
multiplexRole: muxInfo.role,
multiplexValue: muxInfo.value
});
continue;
}
var messageCommentMatch = line.match(/^CM_\s+BO_\s+(\d+)\s+"([\s\S]*)";$/);
if (messageCommentMatch) {
comments.messages[messageCommentMatch[1]] = messageCommentMatch[2];
continue;
}
var signalCommentMatch = line.match(/^CM_\s+SG_\s+(\d+)\s+([A-Za-z0-9_]+)\s+"([\s\S]*)";$/);
if (signalCommentMatch) {
comments.signals[signalCommentMatch[1] + ':' + signalCommentMatch[2]] = signalCommentMatch[3];
continue;
}
var valueMatch = line.match(/^VAL_\s+(\d+)\s+([A-Za-z0-9_]+)\s+(.+);$/);
if (valueMatch) {
var table = {};
var pairRe = /(-?\d+)\s+"([^"]*)"/g;
var m;
while ((m = pairRe.exec(valueMatch[3])) !== null) {
table[m[1]] = m[2];
}
valueTables[valueMatch[1] + ':' + valueMatch[2]] = table;
continue;
}
var valTypeMatch = line.match(/^SIG_VALTYPE_\s+(\d+)\s+([A-Za-z0-9_]+)\s*:\s*(\d+)\s*;$/);
if (valTypeMatch) {
var msg = messageMap[valTypeMatch[1]];
if (!msg) continue;
var signal = findSignal(msg, valTypeMatch[2]);
if (signal) {
signal.valueType = valTypeMatch[3] === '1' ? 'float' : valTypeMatch[3] === '2' ? 'double' : 'int';
}
}
}
messages.forEach(function (msg) {
msg.comment = comments.messages[String(msg.idRaw)] || '';
msg.signals.forEach(function (signal) {
signal.comment = comments.signals[String(msg.idRaw) + ':' + signal.name] || '';
signal.enumMap = valueTables[String(msg.idRaw) + ':' + signal.name] || {};
});
});
return {
messages: messages,
nodeNames: nodeNames,
messageMap: messageMap
};
}
function findSignal(message, signalName) {
for (var i = 0; i < message.signals.length; i++) {
if (message.signals[i].name === signalName) return message.signals[i];
}
return null;
}
function parseMultiplexToken(token) {
if (!token) return { role: null, value: null };
if (token === 'M') return { role: 'mux', value: null };
var match = token.match(/^m(-?\d+)$/);
if (match) {
return { role: 'value', value: parseInt(match[1], 10) };
}
return { role: null, value: null };
}
function buildSummary() {
if (!state.dbc) {
if (el.dbcSummaryPill) el.dbcSummaryPill.textContent = '未导入 DBC';
if (el.messageSummaryPill) el.messageSummaryPill.textContent = '0 报文';
return;
}
if (el.dbcSummaryPill) {
el.dbcSummaryPill.textContent = (state.dbc.nodeNames.length || 0) + ' 节点';
}
if (el.messageSummaryPill) {
el.messageSummaryPill.textContent = state.dbc.messages.length + ' 报文';
}
}
function updateDbcFileInfo(file, dbc) {
if (!el.dbcFileInfo) return;
if (!file || !dbc) {
el.dbcFileInfo.classList.remove('show');
el.dbcFileName.textContent = '-';
el.dbcMessageCount.textContent = '0';
el.dbcSignalCount.textContent = '0';
el.dbcNodeCount.textContent = '0';
el.dbcFileSize.textContent = '0 B';
return;
}
var signalCount = dbc.messages.reduce(function (sum, msg) { return sum + msg.signals.length; }, 0);
el.dbcFileInfo.classList.add('show');
el.dbcFileName.textContent = file.name || '-';
el.dbcMessageCount.textContent = String(dbc.messages.length);
el.dbcSignalCount.textContent = String(signalCount);
el.dbcNodeCount.textContent = String(dbc.nodeNames.length);
el.dbcFileSize.textContent = formatBytes(file.size || 0);
}
function filterMessages() {
var keyword = normalizeWhitespace(el.dbcSearch ? el.dbcSearch.value : '').toLowerCase();
var messages = state.dbc ? state.dbc.messages.slice() : [];
if (keyword) {
messages = messages.filter(function (msg) {
var idHex = '0x' + padHex(msg.id, msg.isExtended ? 8 : 3);
if (msg.name.toLowerCase().indexOf(keyword) >= 0) return true;
if (idHex.toLowerCase().indexOf(keyword) >= 0) return true;
if (String(msg.idRaw).indexOf(keyword) >= 0) return true;
if ((msg.transmitter || '').toLowerCase().indexOf(keyword) >= 0) return true;
for (var i = 0; i < msg.signals.length; i++) {
if (msg.signals[i].name.toLowerCase().indexOf(keyword) >= 0) return true;
}
return false;
});
}
state.filteredMessages = messages;
renderMessageList();
}
function renderMessageList() {
if (!el.messageList) return;
if (!state.dbc) {
el.messageList.innerHTML = 'BO_、SG_、VAL_、CM_ 和 SIG_VALTYPE_。';
}
}
function bindEvents() {
el.testConnBtn.addEventListener('click', testConnection);
el.defaultChannel.addEventListener('change', function () {
el.manualChannel.value = el.defaultChannel.value;
el.canChannelPill.textContent = 'CH' + el.defaultChannel.value;
renderMessageList();
renderSelectedMessage();
updateEncodedPreview();
});
el.dbcDropZone.addEventListener('click', function () { el.dbcFileInput.click(); });
el.dbcDropZone.addEventListener('dragover', function (event) {
event.preventDefault();
el.dbcDropZone.classList.add('dragover');
});
el.dbcDropZone.addEventListener('dragleave', function () {
el.dbcDropZone.classList.remove('dragover');
});
el.dbcDropZone.addEventListener('drop', function (event) {
event.preventDefault();
el.dbcDropZone.classList.remove('dragover');
var file = event.dataTransfer && event.dataTransfer.files ? event.dataTransfer.files[0] : null;
if (file) handleDbcFile(file).catch(handleDbcError);
});
el.dbcFileInput.addEventListener('change', function (event) {
var file = event.target && event.target.files ? event.target.files[0] : null;
if (file) handleDbcFile(file).catch(handleDbcError);
});
el.clearDbcBtn.addEventListener('click', clearDbc);
el.dbcSearch.addEventListener('input', filterMessages);
el.sendSelectedBtn.addEventListener('click', sendSelectedMessage);
el.loadPreviewToRawBtn.addEventListener('click', loadPreviewToManual);
el.sendManualBtn.addEventListener('click', sendManualFrame);
el.resetManualBtn.addEventListener('click', resetManualFields);
el.manualData.addEventListener('input', refreshManualHint);
el.manualDlc.addEventListener('input', refreshManualHint);
el.manualId.addEventListener('input', refreshManualHint);
el.toolIp.addEventListener('change', testConnection);
}
function handleDbcError(err) {
if (el.dbcHint) {
el.dbcHint.className = 'helper-note err';
el.dbcHint.innerHTML = 'DBC 解析失败：' + sanitizeHtml(err.message);
}
showToast('DBC 解析失败: ' + err.message, 'error');
}
function init() {
cacheElements();
bindEvents();
setConnectionState(false, '未连接', '', '');
if (el.canChannelPill) el.canChannelPill.textContent = 'CH' + el.defaultChannel.value;
if (el.manualChannel) el.manualChannel.value = el.defaultChannel.value;
buildSummary();
renderMessageList();
renderSelectedMessage();
refreshManualHint();
renderHistory();
setTimeout(testConnection, 150);
}
init();
})();