From c142ffd468ece097e0f9e7ef2d33d74e468589b7 Mon Sep 17 00:00:00 2001
From: Li Zhineng <im@zhineng.li>
Date: Tue, 10 Jun 2025 22:43:23 +0800
Subject: send request device identity command

---
 index.html | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/index.html b/index.html
index 7090f31..13e4557 100644
--- a/index.html
+++ b/index.html
@@ -48,6 +48,9 @@
                 const password = '<yourpassword>'
                 await sendWifiCredentialsCommand(writeChar, ssid, password)
                 await delay(500)
+
+                // 4. Retrieve device ID
+                await sendRequestDeviceIdentityCommand(writeChar)
             }
 
             function handleDeviceResponse(event) {
@@ -127,6 +130,18 @@
                 await sendRawData(writeChar, packet2)
             }
 
+            async function sendRequestDeviceIdentityCommand(writeChar) {
+                const packet = new Uint8Array([
+                    // Header (4 bytes)
+                    0x04, // Sequence Number: 4
+                    0x11, // Packet Info: (Packet 1 of 1)
+                    0x00, // Command ID: 22, Enc-Flag: 0 (Big Endian)
+                    0x16
+                ])
+
+                await sendRawData(writeChar, packet)
+            }
+
             async function sendRawData(characteristic, data) {
                 const chunkSize = 20
                 for (let i = 0; i < data.length; i += chunkSize) {
-- 
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