From 4c81d35964e2c23963eb872ad09959a8cff9a964 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=90=B4=E6=96=87=E5=B3=B0?= <kevin@lmve.net>
Date: Mon, 30 Mar 2026 18:29:24 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E8=BE=93=E5=85=A5=E7=8A=B6=E6=80=81?=
 =?UTF-8?q?=E4=B8=8B=20*=20=E4=BB=85=E4=BD=9C=E4=B8=BA=E9=80=80=E6=A0=BC?=
 =?UTF-8?q?=E9=94=AE=EF=BC=8C=E4=B8=8D=E8=BE=93=E5=85=A5=E5=AD=97=E7=AC=A6?=
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- 移除 freetext.length() > 0 的条件判断
- * 始终作为退格键处理
---
 .../src/modules/CannedMessageModule.cpp                       | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/code/firmware-2.7.15.567b8ea/src/modules/CannedMessageModule.cpp b/code/firmware-2.7.15.567b8ea/src/modules/CannedMessageModule.cpp
index ff9910a..abe85f8 100644
--- a/code/firmware-2.7.15.567b8ea/src/modules/CannedMessageModule.cpp
+++ b/code/firmware-2.7.15.567b8ea/src/modules/CannedMessageModule.cpp
@@ -926,8 +926,8 @@ bool CannedMessageModule::handleFreeTextInput(const InputEvent *event)
         return handleTabSwitch(event); // Reuse tab logic
     }
 
-    // '*' key from TCA9535 numpad acts as backspace (only if there's text)
-    if (event->kbchar == '*' && this->freetext.length() > 0) {
+    // '*' key from TCA9535 numpad acts as backspace (always, even if empty)
+    if (event->kbchar == '*') {
         payload = 0x08;
         lastTouchMillis = millis();
         runOnce();