From e6a48ceb2c461449192e46e3c5673a2b8643b3f5 Mon Sep 17 00:00:00 2001
From: Mark Haslinghuis <mark@numloq.nl>
Date: Wed, 10 Jul 2024 21:22:52 +0200
Subject: [PATCH] Fix ELRS UUID (#4096)

Fix Buffer.from
---
 src/js/tabs/receiver.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/js/tabs/receiver.js b/src/js/tabs/receiver.js
index c3308a4439..83130adab1 100644
--- a/src/js/tabs/receiver.js
+++ b/src/js/tabs/receiver.js
@@ -52,7 +52,13 @@ receiver.initialize = function (callback) {
         if (text) {
             const bindingPhraseFull = `-DMY_BINDING_PHRASE="${text}"`;
             const hash = CryptoES.MD5(bindingPhraseFull).toString();
-            uidBytes = Uint8Array.from(Buffer.from(hash, 'hex')).subarray(0, 6);
+            // Buffer.from is not available in the browser
+            const bytes = hash.match(/.{1,2}/g).map(byte => parseInt(byte, 16));
+            const view = new DataView(new ArrayBuffer(6));
+            for (let i = 0; i < 6; i++) {
+                view.setUint8(i, bytes[i]);
+            }
+            uidBytes = Array.from(new Uint8Array(view.buffer));
         }
 
         return uidBytes;