From b3085456f55e9ef28e65b316f9123c4dc3c790f8 Mon Sep 17 00:00:00 2001
From: awalol <awalolcn@gmail.com>
Date: Sat, 16 May 2026 14:10:09 +0800
Subject: [PATCH] add comment

---
 src/audio.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/audio.cpp b/src/audio.cpp
index 7622236..3ebdbad 100644
--- a/src/audio.cpp
+++ b/src/audio.cpp
@@ -117,14 +117,16 @@ void audio_loop() {
         pkt[8] = buf_len; // 这 4 个字节的作用未知，调整没有效果
         pkt[9] = buf_len; // audio buffer length 只有调整这个字节生效。
         pkt[10] = packetCounter++;
+        // SetStateData
         pkt[11] = 0x10 | 0 << 6 | 1 << 7;
         pkt[12] = 63;
         state_set(pkt + 13,63);
-        // memcpy(pkt + 13, state_data, sizeof(state_data));
+        // Haptics Audio Data
         pkt[76] = 0x12 | 0 << 6 | 1 << 7;
         pkt[77] = SAMPLE_SIZE;
         memcpy(pkt + 78, haptic_buf, SAMPLE_SIZE);
 #if !DISABLE_SPEAKER_PROC
+        // Speaker Audio Data
         pkt[142] = (plug_headset ? 0x16 : 0x13) | 0 << 6 | 1 << 7; // Speaker: 0x13
         // L Headset Mono: 0x14
         // L Headset R Speaker: 0x15