From fba9d401c2548262d29be503d833245130373772 Mon Sep 17 00:00:00 2001
From: stswangzhiping <59632378+stswangzhiping@users.noreply.github.com>
Date: Thu, 19 Mar 2026 09:13:07 +0800
Subject: [PATCH] =?UTF-8?q?feat(display):=20PIN=20=E6=98=BE=E7=A4=BA?=
 =?UTF-8?q?=E6=97=B6=E5=8A=A0=E9=97=AA=E7=83=81=E6=95=88=E6=9E=9C=EF=BC=88?=
 =?UTF-8?q?=E4=BA=AE1s=E7=81=AD0.5s=EF=BC=89?=
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Made-with: Cursor
---
 lib/led.js | 28 +++++++++++++++++++++++++---
 1 file changed, 25 insertions(+), 3 deletions(-)

diff --git a/lib/led.js b/lib/led.js
index fed9f69..319567b 100644
--- a/lib/led.js
+++ b/lib/led.js
@@ -97,24 +97,46 @@ const DISPLAY_PATH = '/sys/devices/platform/openvfd/attr/led';
  *   #s1         系统时钟模式，显示当前时间
  */
 class Display {
+  constructor() {
+    this._blinkTimer = null;
+  }
+
   /** 网络断开 / AP 模式 → 显示 "AP  " */
   showAP() {
+    this._stopBlink();
     this._write('#m3AP  ');
     log.info('display', '显示屏 → AP');
   }
 
   /** 网络已连接 → 显示时间 */
   showTime() {
+    this._stopBlink();
     this._write('#s1');
     log.info('display', '显示屏 → 时间');
   }
 
-  /** 未激活 + 连网 → 显示 PIN 码（4 位数字） */
+  /** 未激活 + 连网 → 显示 PIN 码（4 位数字）并闪烁 */
   showPin(pin) {
+    this._stopBlink();
     const s = String(pin || '').padStart(4, '0').slice(-4);
-    // #m2 模式支持数字，4字符直接跟在模式号后（无空格）
     this._write('#m2' + s);
-    log.info('display', `显示屏 → PIN: ${s}`);
+    log.info('display', `显示屏 → PIN: ${s}（闪烁）`);
+    // 亮 1s → 灭 0.5s → 循环
+    let visible = true;
+    const blink = () => {
+      visible = !visible;
+      this._write(visible ? '#m2' + s : '#c1');
+      this._blinkTimer = setTimeout(blink, visible ? 1000 : 500);
+    };
+    this._blinkTimer = setTimeout(blink, 1000);
+  }
+
+  _stopBlink() {
+    if (this._blinkTimer) {
+      clearTimeout(this._blinkTimer);
+      clearInterval(this._blinkTimer);
+      this._blinkTimer = null;
+    }
   }
 
   _write(val) {