From fb4dbd71beff02eb73df94b25bf1c5f4c4eb02c7 Mon Sep 17 00:00:00 2001
From: KlausMu <kmusch@gmail.com>
Date: Wed, 24 Jan 2024 16:23:01 +0100
Subject: [PATCH] report battery level to BLE device

---
 Platformio/src/battery.h               | 2 ++
 Platformio/src/device_keyboard_ble.cpp | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/Platformio/src/battery.h b/Platformio/src/battery.h
index e63a08e..446b1af 100644
--- a/Platformio/src/battery.h
+++ b/Platformio/src/battery.h
@@ -4,6 +4,8 @@
 //#define CRG_STAT 21 // battery charger feedback,                  GPIO21, VSPIHD, EMAC_TX_EN
 #define ADC_BAT 36  // Battery voltage sense input (1/2 divider), GPIO36, ADC1_CH0, RTC_GPIO0
 
+extern int battery_percentage;
+
 void init_battery(void);
 void update_battery_stats(void);
 
diff --git a/Platformio/src/device_keyboard_ble.cpp b/Platformio/src/device_keyboard_ble.cpp
index ee66dae..ca09c56 100644
--- a/Platformio/src/device_keyboard_ble.cpp
+++ b/Platformio/src/device_keyboard_ble.cpp
@@ -2,6 +2,7 @@
 #include "commandHandler.h"
 #include "device_keyboard_ble.h"
 #include "gui.h"
+#include "battery.h"
 
 #ifdef ENABLE_KEYBOARD_BLE
 
@@ -38,6 +39,8 @@ bool blinkBluetoothLabelIsOn = false;
 void update_keyboard_ble_status() {
   if (bleKeyboard.isConnected()) {
     lv_label_set_text(BluetoothLabel, LV_SYMBOL_BLUETOOTH);
+    bleKeyboard.setBatteryLevel(battery_percentage);
+
   } else {
     if(millis() - blinkBluetoothLabelLastChange >= 1000){
       blinkBluetoothLabelIsOn = !blinkBluetoothLabelIsOn;