From 2057996d09b77044c74a956a24de96dd84c1a223 Mon Sep 17 00:00:00 2001
From: Jonathan Bennett <jbennett@incomsystems.biz>
Date: Fri, 24 Apr 2026 18:25:08 -0500
Subject: [PATCH] Few more missed bits

---
 src/power/BatteryLevel.cpp |  1 +
 src/power/BatteryLevel.h   | 16 ++++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/src/power/BatteryLevel.cpp b/src/power/BatteryLevel.cpp
index f9764fa2f..fab1fbca4 100644
--- a/src/power/BatteryLevel.cpp
+++ b/src/power/BatteryLevel.cpp
@@ -1,5 +1,6 @@
 #include "power/BatteryLevel.h"
 
+#include "NodeDB.h"
 #include "Throttle.h"
 #include "meshUtils.h"
 #include "power/PowerHAL.h"
diff --git a/src/power/BatteryLevel.h b/src/power/BatteryLevel.h
index c1d486321..c6c3999b8 100644
--- a/src/power/BatteryLevel.h
+++ b/src/power/BatteryLevel.h
@@ -6,6 +6,22 @@
 #include <SoftwareSerial.h>
 #endif
 
+#if defined(ARCH_STM32WL) && defined(BATTERY_PIN)
+#include "stm32yyxx_ll_adc.h"
+
+/* Analog read resolution */
+#if defined(LL_ADC_RESOLUTION_12B)
+#define LL_ADC_RESOLUTION LL_ADC_RESOLUTION_12B
+#define BATTERY_SENSE_RESOLUTION_BITS 12
+#elif defined(LL_ADC_DS_DATA_WIDTH_12_BIT)
+#define LL_ADC_RESOLUTION LL_ADC_DS_DATA_WIDTH_12_BIT
+#define BATTERY_SENSE_RESOLUTION_BITS 12
+#else
+#error "ADC resolution could not be defined!"
+#endif
+#define ADC_RANGE (1 << BATTERY_SENSE_RESOLUTION_BITS)
+#endif
+
 #ifdef EXT_PWR_DETECT
 #ifndef EXT_PWR_DETECT_MODE
 #define EXT_PWR_DETECT_MODE INPUT