162 lines
4.7 KiB
JavaScript
162 lines
4.7 KiB
JavaScript
'use strict';
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const fs = require('fs');
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const { execSync } = require('child_process');
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const log = require('./logger');
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/**
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* 前面板指示灯控制
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*
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* WiFi 灯 (b5): 1 = 亮, 0 = 灭（正逻辑）
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* - WiFi 已连接且互联网畅通 → 常亮
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* - WiFi 连接中（正在尝试） → 闪烁
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* - WiFi 未连接 / 无互联网 → 熄灭
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*
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* SETUP 灯 (b2): 0 = 亮, 1 = 灭（反逻辑，与 APPS 互斥）
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* APPS 灯 (b1): 0 = 亮, 1 = 灭（反逻辑，与 SETUP 互斥）
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* - claw 未激活 → SETUP 亮，APPS 灭
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* - claw 已激活 → APPS 亮，SETUP 灭
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*/
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const LED_PATH = process.env.CLAWD_LED_PATH || '/sys/devices/platform/openvfd/attr/b5';
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const SETUP_LED_PATH = '/sys/devices/platform/openvfd/attr/b1'; // 物理 SETUP 灯
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const APPS_LED_PATH = '/sys/devices/platform/openvfd/attr/b2'; // 物理 APPS 灯
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const BLINK_INTERVAL_MS = 500; // 闪烁间隔（ms）
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class WifiLed {
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constructor() {
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this._blinkTimer = null;
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this._blinkState = false;
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this._current = null; // 'on' | 'off' | 'blink'
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}
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/** 常亮 */
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on() {
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if (this._current === 'on') return;
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this._stopBlink();
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this._write(1);
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this._current = 'on';
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log.info('led', 'WiFi 指示灯 → 常亮');
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}
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/** 熄灭 */
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off() {
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if (this._current === 'off') return;
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this._stopBlink();
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this._write(0);
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this._current = 'off';
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log.info('led', 'WiFi 指示灯 → 熄灭');
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}
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/** 闪烁（连接中） */
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blink(intervalMs = BLINK_INTERVAL_MS) {
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if (this._current === 'blink') return;
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this._stopBlink();
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this._blinkState = true;
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this._write(1);
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this._blinkTimer = setInterval(() => {
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this._blinkState = !this._blinkState;
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this._write(this._blinkState ? 1 : 0);
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}, intervalMs);
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this._current = 'blink';
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log.info('led', 'WiFi 指示灯 → 闪烁');
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}
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/** 释放资源，关灯 */
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destroy() {
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this._stopBlink();
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this._write(0);
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this._current = 'off';
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}
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// ── 内部 ──────────────────────────────────────────────────────────────────
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_stopBlink() {
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if (this._blinkTimer) {
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clearInterval(this._blinkTimer);
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this._blinkTimer = null;
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}
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}
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_write(val) {
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try {
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fs.writeFileSync(LED_PATH, String(val));
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} catch (e) {
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log.warn('led', `写入失败 (${LED_PATH}): ${e.message}`);
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}
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}
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}
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// ── VFD 显示屏 ────────────────────────────────────────────────────────────────
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const DISPLAY_PATH = '/sys/devices/platform/openvfd/attr/led';
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/**
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* VFD 显示屏控制。
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* #m3 <text> 手动模式，显示指定文字
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* #s1 系统时钟模式，显示当前时间
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*/
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class Display {
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/** 网络断开 / AP 模式 → 显示 "AP " */
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showAP() {
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this._write('#m3 AP ');
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log.info('display', '显示屏 → AP');
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}
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/** 网络已连接 → 显示时间 */
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showTime() {
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this._write('#s1');
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log.info('display', '显示屏 → 时间');
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}
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_write(val) {
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try {
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// 用 shell 管道写入，与 echo "..." | tee ... 行为完全一致
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execSync(`echo "${val}" | tee ${DISPLAY_PATH} > /dev/null`, { timeout: 3000 });
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} catch (e) {
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log.warn('display', `写入失败: ${e.message}`);
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}
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}
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}
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// ── SETUP / APPS 状态灯 ───────────────────────────────────────────────────────
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/**
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* SETUP 灯（b2）与 APPS 灯（b1）互斥控制。
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* 两灯均为反逻辑：写 0 = 亮，写 1 = 灭。
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*/
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class StatusLed {
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/** claw 未激活 → SETUP 亮，APPS 灭 */
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setSetup() {
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this._write(SETUP_LED_PATH, 0); // SETUP 亮
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this._write(APPS_LED_PATH, 1); // APPS 灭
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log.info('led', '状态灯 → SETUP（未激活）');
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}
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/** claw 已激活 → APPS 亮，SETUP 灭 */
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setApps() {
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this._write(SETUP_LED_PATH, 1); // SETUP 灭
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this._write(APPS_LED_PATH, 0); // APPS 亮
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log.info('led', '状态灯 → APPS（已激活）');
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}
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/** 两灯全灭（进程退出时调用） */
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off() {
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this._write(SETUP_LED_PATH, 1);
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this._write(APPS_LED_PATH, 1);
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}
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_write(path, val) {
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try {
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fs.writeFileSync(path, String(val));
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} catch (e) {
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log.warn('led', `写入失败 (${path}): ${e.message}`);
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}
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}
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}
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// 全局单例，整个进程共用
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module.exports = new WifiLed();
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module.exports.status = new StatusLed();
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module.exports.display = new Display();
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