348 lines
8.5 KiB
JavaScript
348 lines
8.5 KiB
JavaScript
'use strict';
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const fs = require('fs');
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const log = require('./logger');
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const { hasLanCableCarrier } = require('./network');
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/**
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* OpenVFD 图标：/sys/class/leds/openvfd/led_on|led_off（写入图标名）。
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*
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* 映射（与面板丝印一致：LAN=play，WiFi=wifi+eth）：
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* wifi + eth 同亮/同灭 → 产品 WiFi 灯（配网 on/off/blink）
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* play → LAN（有线插拔，见 hasLanCableCarrier / CLAWD_ETH_IFACE）
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* alarm → pwr（SETUP=灭 / APPS=亮）
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* BT → 无 sysfs，仅日志
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*
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* 数码管：vfdservice 管道（660 字节，mode=4 TITLE / mode=1 CLOCK，与板端 Demo 一致）。
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* CLAWD_VFD_PIPE 默认 /tmp/openvfd_service；管道不存在时仅 debug，不抛错。
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*
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* CLAWD_OPENVFD_PATH 默认 /sys/class/leds/openvfd（图标灯）
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*/
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const BLINK_INTERVAL_MS = 500;
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const LAN_POLL_MS = 500;
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const VFD_BASE = process.env.CLAWD_OPENVFD_PATH || '/sys/class/leds/openvfd';
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const VFD_PIPE = process.env.CLAWD_VFD_PIPE || '/tmp/openvfd_service';
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const VFD_BUF_SIZE = 660;
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const VFD_MODE_CLOCK = 1;
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const VFD_MODE_TITLE = 4;
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const VFD_TITLE_OFF = 20;
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function vfdPipePresent() {
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try {
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return fs.existsSync(VFD_PIPE);
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} catch (_) {
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return false;
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}
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}
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/** TITLE：固定 4 字符，ASCII，供 vfdservice 解析为段码 */
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function vfdTitleNormalize(raw) {
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return String(raw || '')
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.toUpperCase()
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.replace(/[^A-Z0-9 \-]/g, ' ')
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.slice(0, 4)
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.padEnd(4, ' ');
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}
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function writeVfdPipeTitle(text4) {
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if (!vfdPipePresent()) return;
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const seg = vfdTitleNormalize(text4);
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const data = Buffer.alloc(VFD_BUF_SIZE);
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data.writeUInt16LE(VFD_MODE_TITLE, 0);
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try {
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data.write(`${seg}\0`, VFD_TITLE_OFF, 'ascii');
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} catch (e) {
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log.debug('display', `openvfd title encode: ${e.message}`);
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return;
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}
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try {
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const fd = fs.openSync(VFD_PIPE, 'w');
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fs.writeSync(fd, data);
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fs.closeSync(fd);
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} catch (e) {
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log.debug('display', `openvfd pipe title: ${e.message}`);
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}
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}
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function writeVfdPipeClock() {
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if (!vfdPipePresent()) return;
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const data = Buffer.alloc(VFD_BUF_SIZE);
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data.writeUInt16LE(VFD_MODE_CLOCK, 0);
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try {
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const fd = fs.openSync(VFD_PIPE, 'w');
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fs.writeSync(fd, data);
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fs.closeSync(fd);
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} catch (e) {
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log.debug('display', `openvfd pipe clock: ${e.message}`);
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}
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}
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function vfdOn(icon) {
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try {
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fs.writeFileSync(`${VFD_BASE}/led_on`, icon);
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} catch (e) {
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log.debug('led', `openvfd led_on ${icon}: ${e.message}`);
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}
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}
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function vfdOff(icon) {
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try {
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fs.writeFileSync(`${VFD_BASE}/led_off`, icon);
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} catch (e) {
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log.debug('led', `openvfd led_off ${icon}: ${e.message}`);
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}
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}
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function vfdWifiPair(on) {
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if (on) {
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vfdOn('wifi');
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vfdOn('eth');
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} else {
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vfdOff('wifi');
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vfdOff('eth');
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}
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}
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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;
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}
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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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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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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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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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_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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const on = !!val;
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log.debug('led', `[vfd] WiFi（wifi+eth）<= ${on ? 1 : 0}`);
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vfdWifiPair(on);
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}
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}
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class BtLed {
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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;
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}
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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', 'BT 指示灯 → 常亮');
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}
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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', 'BT 指示灯 → 熄灭');
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}
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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', 'BT 指示灯 → 闪烁');
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}
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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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_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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log.debug('led', '[vfd] BT 无 OpenVFD 映射，忽略');
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}
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}
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class Display {
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constructor() {
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this._blinkTimer = null;
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}
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showAP() {
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this._stopBlink();
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this._pipeTitle('AP ', '#m3AP ');
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log.info('display', '显示屏 → AP');
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}
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showConn() {
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this._stopBlink();
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this._pipeTitle('Conn', '#m3Conn');
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log.info('display', '显示屏 → Conn（闪烁）');
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let visible = true;
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const blink = () => {
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visible = !visible;
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this._pipeTitle(visible ? 'Conn' : ' ', visible ? '#m3Conn' : '#c1');
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this._blinkTimer = setTimeout(blink, visible ? 1000 : 500);
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};
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this._blinkTimer = setTimeout(blink, 1000);
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}
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showErr0() {
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this._stopBlink();
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this._pipeTitle('Err0', '#m3Err0');
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log.info('display', '显示屏 → Err0');
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}
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showTime() {
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this._stopBlink();
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log.debug('display', '[vfd] #s1');
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writeVfdPipeClock();
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log.info('display', '显示屏 → 时间');
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}
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showPin(pin) {
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this._stopBlink();
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const s = String(pin || '').padStart(4, '0').slice(-4);
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this._pipeTitle(s, '#m2' + s);
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log.info('display', `显示屏 → PIN: ${s}（闪烁）`);
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let visible = true;
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const blink = () => {
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visible = !visible;
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this._pipeTitle(visible ? s : ' ', visible ? '#m2' + s : '#c1');
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this._blinkTimer = setTimeout(blink, visible ? 1000 : 500);
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};
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this._blinkTimer = setTimeout(blink, 1000);
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}
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_stopBlink() {
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if (this._blinkTimer) {
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clearTimeout(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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/** 保留原 #m3/#m2/#c1 的 debug 语义，并写 vfdservice TITLE */
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_pipeTitle(fourCharText, debugLegacy) {
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log.debug('display', `[vfd] ${debugLegacy}`);
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writeVfdPipeTitle(fourCharText);
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}
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}
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class StatusLed {
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setSetup() {
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vfdOff('alarm');
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log.debug('led', '[vfd] alarm（pwr）<= 0');
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log.info('led', '状态灯 → SETUP（未激活）');
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}
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setApps() {
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vfdOn('alarm');
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// 部分 OpenVFD 驱动单次写入生效慢，短延迟再写一次
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setTimeout(() => vfdOn('alarm'), 50);
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log.debug('led', '[vfd] alarm（pwr）<= 1');
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log.info('led', '状态灯 → APPS（已激活）');
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}
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off() {
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vfdOff('alarm');
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log.debug('led', '[vfd] alarm（pwr）<= 0 (off)');
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}
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}
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class LanLed {
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constructor() {
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this._timer = null;
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this._current = null;
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}
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start() {
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this._sync();
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this._timer = setInterval(() => this._sync(), LAN_POLL_MS);
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}
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stop() {
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if (this._timer) {
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clearInterval(this._timer);
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this._timer = null;
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}
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vfdOff('play');
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this._current = null;
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}
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_sync() {
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const up = hasLanCableCarrier();
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if (up) {
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if (this._current !== 'on') {
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vfdOn('play');
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this._current = 'on';
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log.info('led', 'LAN（play / 有线 carrier）→ 亮');
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}
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} else if (this._current !== 'off') {
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vfdOff('play');
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this._current = 'off';
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log.info('led', 'LAN（play / 有线 carrier）→ 灭');
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}
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}
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}
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const lan = new LanLed();
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module.exports = new WifiLed();
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module.exports.bt = new BtLed();
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module.exports.status = new StatusLed();
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module.exports.display = new Display();
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module.exports.lan = lan;
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