From ebea672240ba49067194e9a6959ba2604da2d4c2 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <thinkyhead@users.noreply.github.com>
Date: Sat, 27 Jan 2024 11:45:54 -0600
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20Protect=20EEPROM=20bytes=20916-9?=
 =?UTF-8?q?26?=
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Followup to #26729

Ender-3S1 STM32F401 Bootloader
---
 Marlin/src/HAL/shared/eeprom_api.h                  | 4 ++--
 Marlin/src/pins/stm32f4/pins_CREALITY_V24S1_301F4.h | 2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Marlin/src/HAL/shared/eeprom_api.h b/Marlin/src/HAL/shared/eeprom_api.h
index 763271b42d..33d80695db 100644
--- a/Marlin/src/HAL/shared/eeprom_api.h
+++ b/Marlin/src/HAL/shared/eeprom_api.h
@@ -26,8 +26,8 @@
 
 #include "../../libs/crc16.h"
 
-// For testing. Define with -DEEPROM_EXCL_ZONE=919,926 in INI files.
-//#define EEPROM_EXCL_ZONE 919,926  // Test a range
+// For testing. Define with -DEEPROM_EXCL_ZONE=916,926 in INI files.
+//#define EEPROM_EXCL_ZONE 916,926  // Test a range
 //#define EEPROM_EXCL_ZONE 333      // Test a single byte
 
 #ifdef EEPROM_EXCL_ZONE
diff --git a/Marlin/src/pins/stm32f4/pins_CREALITY_V24S1_301F4.h b/Marlin/src/pins/stm32f4/pins_CREALITY_V24S1_301F4.h
index 32f70a3715..fa524464e3 100644
--- a/Marlin/src/pins/stm32f4/pins_CREALITY_V24S1_301F4.h
+++ b/Marlin/src/pins/stm32f4/pins_CREALITY_V24S1_301F4.h
@@ -35,4 +35,6 @@
 #define DISABLE_DEBUG false // DISABLE_(DEBUG|JTAG) is not supported for STM32F4.
 #define ALLOW_STM32F4
 
+#define EEPROM_EXCL_ZONE 916,926  // Ender-3S1 STM32F401 Bootloader EEPROM exclusion zone
+
 #include "../stm32f1/pins_CREALITY_V24S1_301.h"