Merge branch 'develop' into fix_adc

24 files changed, 78 insertions, 102 deletions

diff --git a/src/FreeRTOSConfig.h b/src/FreeRTOSConfig.h
index 07c152dc..adbbc8f0 100644
--- a/src/FreeRTOSConfig.h
+++ b/src/FreeRTOSConfig.h
@@ -77,7 +77,7 @@
 #define configENABLE_BACKWARD_COMPATIBILITY     1
 
 /* Hook function related definitions. */
-#define configUSE_IDLE_HOOK            1
+#define configUSE_IDLE_HOOK            0
 #define configUSE_TICK_HOOK            0
 #define configCHECK_FOR_STACK_OVERFLOW 0
 #define configUSE_MALLOC_FAILED_HOOK   0
diff --git a/src/components/battery/BatteryController.cpp b/src/components/battery/BatteryController.cpp
index 41b4c483..54b9ffd9 100644
--- a/src/components/battery/BatteryController.cpp
+++ b/src/components/battery/BatteryController.cpp
@@ -1,9 +1,7 @@
 #include "BatteryController.h"
 #include <hal/nrf_gpio.h>
 #include <nrfx_saadc.h>
-#include <libraries/log/nrf_log.h>
 #include <algorithm>
-#include <math.h>
 
 using namespace Pinetime::Controllers;
 
@@ -18,7 +16,6 @@ void Battery::Init() {
 }
 
 void Battery::Update() {
-
   isCharging = !nrf_gpio_pin_read(chargingPin);
   isPowerPresent = !nrf_gpio_pin_read(powerPresentPin);
 
@@ -32,13 +29,13 @@ void Battery::Update() {
   nrfx_saadc_sample();
 }
 
-void Battery::adcCallbackStatic(nrfx_saadc_evt_t const* event) {
+void Battery::AdcCallbackStatic(nrfx_saadc_evt_t const* event) {
   instance->SaadcEventHandler(event);
 }
 
 void Battery::SaadcInit() {
   nrfx_saadc_config_t adcConfig = NRFX_SAADC_DEFAULT_CONFIG;
-  APP_ERROR_CHECK(nrfx_saadc_init(&adcConfig, adcCallbackStatic));
+  APP_ERROR_CHECK(nrfx_saadc_init(&adcConfig, AdcCallbackStatic));
 
   nrf_saadc_channel_config_t adcChannelConfig = {.resistor_p = NRF_SAADC_RESISTOR_DISABLED,
                                                  .resistor_n = NRF_SAADC_RESISTOR_DISABLED,
@@ -54,7 +51,6 @@ void Battery::SaadcInit() {
 }
 
 void Battery::SaadcEventHandler(nrfx_saadc_evt_t const* p_event) {
-
   const uint16_t battery_max = 4180; // maximum voltage of battery ( max charging voltage is 4.21 )
   const uint16_t battery_min = 3200; // minimum voltage of battery before shutdown ( depends on the battery )
 
@@ -69,10 +65,13 @@ void Battery::SaadcEventHandler(nrfx_saadc_evt_t const* p_event) {
     // p_event->data.done.p_buffer[0] = (adc_voltage / reference_voltage) * 1024
     voltage = p_event->data.done.p_buffer[0] * 6000 / 1024;
 
-    percentRemaining = (voltage - battery_min) * 100 / (battery_max - battery_min);
-
-    percentRemaining = std::max(percentRemaining, 0);
-    percentRemaining = std::min(percentRemaining, 100);
+    if (voltage > battery_max) {
+      percentRemaining = 100;
+    } else if (voltage < battery_min) {
+      percentRemaining = 0;
+    } else {
+      percentRemaining = (voltage - battery_min) * 100 / (battery_max - battery_min);
+    }
 
     nrfx_saadc_uninit();
     isReading = false;
diff --git a/src/components/battery/BatteryController.h b/src/components/battery/BatteryController.h
index 84d488ed..6f09b737 100644
--- a/src/components/battery/BatteryController.h
+++ b/src/components/battery/BatteryController.h
@@ -14,7 +14,7 @@ namespace Pinetime {
       void Init();
       void Update();
 
-      int PercentRemaining() const {
+      uint8_t PercentRemaining() const {
         return percentRemaining;
       }
 
@@ -25,6 +25,7 @@ namespace Pinetime {
       bool IsCharging() const {
         return isCharging;
       }
+
       bool IsPowerPresent() const {
         return isPowerPresent;
       }
@@ -37,7 +38,7 @@ namespace Pinetime {
       static constexpr uint32_t powerPresentPin = 19;
       static constexpr nrf_saadc_input_t batteryVoltageAdcInput = NRF_SAADC_INPUT_AIN7;
       uint16_t voltage = 0;
-      int percentRemaining = -1;
+      uint8_t percentRemaining = 0;
 
       bool isCharging = false;
       bool isPowerPresent = false;
@@ -45,7 +46,7 @@ namespace Pinetime {
       void SaadcInit();
 
       void SaadcEventHandler(nrfx_saadc_evt_t const* p_event);
-      static void adcCallbackStatic(nrfx_saadc_evt_t const* event);
+      static void AdcCallbackStatic(nrfx_saadc_evt_t const* event);
 
       bool isReading = false;
     };
diff --git a/src/components/ble/BatteryInformationService.cpp b/src/components/ble/BatteryInformationService.cpp
index 10a78d67..7f176904 100644
--- a/src/components/ble/BatteryInformationService.cpp
+++ b/src/components/ble/BatteryInformationService.cpp
@@ -17,7 +17,7 @@ BatteryInformationService::BatteryInformationService(Controllers::Battery& batte
     characteristicDefinition {{.uuid = (ble_uuid_t*) &batteryLevelUuid,
                                .access_cb = BatteryInformationServiceCallback,
                                .arg = this,
-                               .flags = BLE_GATT_CHR_F_READ,
+                               .flags = BLE_GATT_CHR_F_READ | BLE_GATT_CHR_F_NOTIFY,
                                .val_handle = &batteryLevelHandle},
                               {0}},
     serviceDefinition {
@@ -48,4 +48,8 @@ int BatteryInformationService::OnBatteryServiceRequested(uint16_t connectionHand
     return (res == 0) ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
   }
   return 0;
-}
\ No newline at end of file
+}
+void BatteryInformationService::NotifyBatteryLevel(uint16_t connectionHandle, uint8_t level) {
+  auto* om = ble_hs_mbuf_from_flat(&level, 1);
+  ble_gattc_notify_custom(connectionHandle, batteryLevelHandle, om);
+}
diff --git a/src/components/ble/BatteryInformationService.h b/src/components/ble/BatteryInformationService.h
index 7d060909..1303fd6c 100644
--- a/src/components/ble/BatteryInformationService.h
+++ b/src/components/ble/BatteryInformationService.h
@@ -17,7 +17,7 @@ namespace Pinetime {
       void Init();
 
       int OnBatteryServiceRequested(uint16_t connectionHandle, uint16_t attributeHandle, ble_gatt_access_ctxt* context);
-
+      void NotifyBatteryLevel(uint16_t connectionHandle, uint8_t level);
     private:
       Controllers::Battery& batteryController;
       static constexpr uint16_t batteryInformationServiceId {0x180F};
diff --git a/src/components/ble/NimbleController.cpp b/src/components/ble/NimbleController.cpp
index 2c1d0f99..5eb227bf 100644
--- a/src/components/ble/NimbleController.cpp
+++ b/src/components/ble/NimbleController.cpp
@@ -235,3 +235,9 @@ void NimbleController::StartDiscovery() {
 uint16_t NimbleController::connHandle() {
   return connectionHandle;
 }
+
+void NimbleController::NotifyBatteryLevel(uint8_t level) {
+  if(connectionHandle != BLE_HS_CONN_HANDLE_NONE) {
+    batteryInformationService.NotifyBatteryLevel(connectionHandle, level);
+  }
+}
diff --git a/src/components/ble/NimbleController.h b/src/components/ble/NimbleController.h
index 5dd01e42..0cfe983c 100644
--- a/src/components/ble/NimbleController.h
+++ b/src/components/ble/NimbleController.h
@@ -70,6 +70,7 @@ namespace Pinetime {
       };
 
       uint16_t connHandle();
+      void NotifyBatteryLevel(uint8_t level);
 
     private:
       static constexpr const char* deviceName = "InfiniTime";
@@ -92,7 +93,7 @@ namespace Pinetime {
       HeartRateService heartRateService;
 
       uint8_t addrType; // 1 = Random, 0 = PUBLIC
-      uint16_t connectionHandle = 0;
+      uint16_t connectionHandle = BLE_HS_CONN_HANDLE_NONE;
 
       ble_uuid128_t dfuServiceUuid {
         .u {.type = BLE_UUID_TYPE_128},
diff --git a/src/displayapp/DisplayApp.cpp b/src/displayapp/DisplayApp.cpp
index 04ebd2d3..6d66afe5 100644
--- a/src/displayapp/DisplayApp.cpp
+++ b/src/displayapp/DisplayApp.cpp
@@ -114,6 +114,7 @@ uint32_t count = 0;
 bool toggle = true;
 void DisplayApp::Refresh() {
   TickType_t queueTimeout;
+  TickType_t delta;
   switch (state) {
     case States::Idle:
       IdleState();
@@ -121,7 +122,11 @@ void DisplayApp::Refresh() {
       break;
     case States::Running:
       RunningState();
-      queueTimeout = 20;
+      delta = xTaskGetTickCount() - lastWakeTime;
+      if (delta > 20) {
+        delta = 20;
+      }
+      queueTimeout = 20 - delta;
       break;
     default:
       queueTimeout = portMAX_DELAY;
@@ -129,7 +134,9 @@ void DisplayApp::Refresh() {
   }
 
   Messages msg;
-  if (xQueueReceive(msgQueue, &msg, queueTimeout)) {
+  bool messageReceived = xQueueReceive(msgQueue, &msg, queueTimeout);
+  lastWakeTime = xTaskGetTickCount();
+  if (messageReceived) {
     switch (msg) {
       case Messages::GoToSleep:
         brightnessController.Backup();
diff --git a/src/displayapp/DisplayApp.h b/src/displayapp/DisplayApp.h
index 73a7cc36..f4573ab7 100644
--- a/src/displayapp/DisplayApp.h
+++ b/src/displayapp/DisplayApp.h
@@ -114,6 +114,7 @@ namespace Pinetime {
 
       Apps nextApp = Apps::None;
       DisplayApp::FullRefreshDirections nextDirection;
+      TickType_t lastWakeTime;
     };
   }
 }
diff --git a/src/displayapp/screens/BatteryIcon.cpp b/src/displayapp/screens/BatteryIcon.cpp
index 6b54a305..bb6626a5 100644
--- a/src/displayapp/screens/BatteryIcon.cpp
+++ b/src/displayapp/screens/BatteryIcon.cpp
@@ -1,9 +1,10 @@
+#include <cstdint>
 #include "BatteryIcon.h"
 #include "Symbols.h"
 
 using namespace Pinetime::Applications::Screens;
 
-const char* BatteryIcon::GetBatteryIcon(int batteryPercent) {
+const char* BatteryIcon::GetBatteryIcon(uint8_t batteryPercent) {
   if (batteryPercent > 90)
     return Symbols::batteryFull;
   if (batteryPercent > 75)
diff --git a/src/displayapp/screens/BatteryIcon.h b/src/displayapp/screens/BatteryIcon.h
index 9c192ff7..b370b331 100644
--- a/src/displayapp/screens/BatteryIcon.h
+++ b/src/displayapp/screens/BatteryIcon.h
@@ -6,7 +6,7 @@ namespace Pinetime {
       class BatteryIcon {
       public:
         static const char* GetUnknownIcon();
-        static const char* GetBatteryIcon(int batteryPercent);
+        static const char* GetBatteryIcon(uint8_t batteryPercent);
         static const char* GetPlugIcon(bool isCharging);
       };
     }
diff --git a/src/displayapp/screens/BatteryInfo.cpp b/src/displayapp/screens/BatteryInfo.cpp
index 7e055762..0ab47ebf 100644
--- a/src/displayapp/screens/BatteryInfo.cpp
+++ b/src/displayapp/screens/BatteryInfo.cpp
@@ -9,11 +9,6 @@ static void lv_update_task(struct _lv_task_t* task) {
   user_data->UpdateScreen();
 }
 
-static void lv_anim_task(struct _lv_task_t* task) {
-  auto user_data = static_cast<BatteryInfo*>(task->user_data);
-  user_data->UpdateAnim();
-}
-
 BatteryInfo::BatteryInfo(Pinetime::Applications::DisplayApp* app, Pinetime::Controllers::Battery& batteryController)
   : Screen(app), batteryController {batteryController} {
 
@@ -24,12 +19,12 @@ BatteryInfo::BatteryInfo(Pinetime::Applications::DisplayApp* app, Pinetime::Cont
   lv_obj_set_size(charging_bar, 200, 15);
   lv_bar_set_range(charging_bar, 0, 100);
   lv_obj_align(charging_bar, nullptr, LV_ALIGN_CENTER, 0, 10);
-  lv_bar_set_anim_time(charging_bar, 2000);
+  lv_bar_set_anim_time(charging_bar, 1000);
   lv_obj_set_style_local_radius(charging_bar, LV_BAR_PART_BG, LV_STATE_DEFAULT, LV_RADIUS_CIRCLE);
   lv_obj_set_style_local_bg_color(charging_bar, LV_BAR_PART_BG, LV_STATE_DEFAULT, lv_color_hex(0x222222));
   lv_obj_set_style_local_bg_opa(charging_bar, LV_BAR_PART_BG, LV_STATE_DEFAULT, LV_OPA_100);
   lv_obj_set_style_local_bg_color(charging_bar, LV_BAR_PART_INDIC, LV_STATE_DEFAULT, lv_color_hex(0xFF0000));
-  lv_bar_set_value(charging_bar, batteryPercent, LV_ANIM_OFF);
+  lv_bar_set_value(charging_bar, batteryPercent, LV_ANIM_ON);
 
   status = lv_label_create(lv_scr_act(), nullptr);
   lv_label_set_text_static(status, "Reading Battery status");
@@ -38,11 +33,7 @@ BatteryInfo::BatteryInfo(Pinetime::Applications::DisplayApp* app, Pinetime::Cont
 
   percent = lv_label_create(lv_scr_act(), nullptr);
   lv_obj_set_style_local_text_font(percent, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_76);
-  if (batteryPercent >= 0) {
-    lv_label_set_text_fmt(percent, "%02i%%", batteryPercent);
-  } else {
-    lv_label_set_text(percent, "--%");
-  }
+  lv_label_set_text_fmt(percent, "%02i%%", batteryPercent);
   lv_label_set_align(percent, LV_LABEL_ALIGN_LEFT);
   lv_obj_align(percent, nullptr, LV_ALIGN_CENTER, 0, -60);
 
@@ -58,40 +49,15 @@ BatteryInfo::BatteryInfo(Pinetime::Applications::DisplayApp* app, Pinetime::Cont
   lv_obj_set_pos(backgroundLabel, 0, 0);
   lv_label_set_text_static(backgroundLabel, "");
 
-  taskUpdate = lv_task_create(lv_update_task, 500000, LV_TASK_PRIO_LOW, this);
-  taskAnim = lv_task_create(lv_anim_task, 1000, LV_TASK_PRIO_LOW, this);
+  taskUpdate = lv_task_create(lv_update_task, 5000, LV_TASK_PRIO_LOW, this);
   UpdateScreen();
 }
 
 BatteryInfo::~BatteryInfo() {
   lv_task_del(taskUpdate);
-  lv_task_del(taskAnim);
   lv_obj_clean(lv_scr_act());
 }
 
-void BatteryInfo::UpdateAnim() {
-  batteryPercent = batteryController.PercentRemaining();
-
-  if (batteryPercent >= 0) {
-    if (batteryController.IsCharging() and batteryPercent < 100) {
-      animation += 1;
-      if (animation >= 100) {
-        animation = 0;
-      }
-
-    } else {
-      if (animation > batteryPercent) {
-        animation--;
-      }
-      if (animation < batteryPercent) {
-        animation++;
-      }
-    }
-
-    lv_bar_set_value(charging_bar, animation, LV_ANIM_OFF);
-  }
-}
-
 void BatteryInfo::UpdateScreen() {
 
   batteryController.Update();
@@ -99,33 +65,27 @@ void BatteryInfo::UpdateScreen() {
   batteryPercent = batteryController.PercentRemaining();
   batteryVoltage = batteryController.Voltage();
 
-  if (batteryPercent >= 0) {
-    if (batteryController.IsCharging() and batteryPercent < 100) {
-      lv_obj_set_style_local_bg_color(charging_bar, LV_BAR_PART_INDIC, LV_STATE_DEFAULT, LV_COLOR_RED);
-      lv_label_set_text_static(status, "Charging");
-    } else if (batteryPercent == 100) {
-      lv_obj_set_style_local_bg_color(charging_bar, LV_BAR_PART_INDIC, LV_STATE_DEFAULT, LV_COLOR_BLUE);
-      lv_label_set_text_static(status, "Fully charged");
-    } else if (batteryPercent < 10) {
-      lv_obj_set_style_local_bg_color(charging_bar, LV_BAR_PART_INDIC, LV_STATE_DEFAULT, LV_COLOR_YELLOW);
-      lv_label_set_text_static(status, "Battery low");
-    } else {
-      lv_obj_set_style_local_bg_color(charging_bar, LV_BAR_PART_INDIC, LV_STATE_DEFAULT, LV_COLOR_GREEN);
-      lv_label_set_text_static(status, "Discharging");
-    }
-
-    lv_label_set_text_fmt(percent, "%02i%%", batteryPercent);
-
+  if (batteryController.IsCharging() and batteryPercent < 100) {
+    lv_obj_set_style_local_bg_color(charging_bar, LV_BAR_PART_INDIC, LV_STATE_DEFAULT, LV_COLOR_RED);
+    lv_label_set_text_static(status, "Charging");
+  } else if (batteryPercent == 100) {
+    lv_obj_set_style_local_bg_color(charging_bar, LV_BAR_PART_INDIC, LV_STATE_DEFAULT, LV_COLOR_BLUE);
+    lv_label_set_text_static(status, "Fully charged");
+  } else if (batteryPercent < 10) {
+    lv_obj_set_style_local_bg_color(charging_bar, LV_BAR_PART_INDIC, LV_STATE_DEFAULT, LV_COLOR_YELLOW);
+    lv_label_set_text_static(status, "Battery low");
   } else {
-    lv_label_set_text_static(status, "Reading Battery status");
-    lv_label_set_text(percent, "--%");
+    lv_obj_set_style_local_bg_color(charging_bar, LV_BAR_PART_INDIC, LV_STATE_DEFAULT, LV_COLOR_GREEN);
+    lv_label_set_text_static(status, "Discharging");
   }
 
+  lv_label_set_text_fmt(percent, "%02i%%", batteryPercent);
+
   lv_obj_align(status, charging_bar, LV_ALIGN_OUT_BOTTOM_MID, 0, 20);
   lv_label_set_text_fmt(voltage, "%1i.%02i volts", batteryVoltage / 1000, batteryVoltage % 1000 / 10);
+  lv_bar_set_value(charging_bar, batteryPercent, LV_ANIM_ON);
 }
 
 bool BatteryInfo::Refresh() {
-
   return running;
 }
diff --git a/src/displayapp/screens/BatteryInfo.h b/src/displayapp/screens/BatteryInfo.h
index 346dc571..69793244 100644
--- a/src/displayapp/screens/BatteryInfo.h
+++ b/src/displayapp/screens/BatteryInfo.h
@@ -22,7 +22,6 @@ namespace Pinetime {
         bool Refresh() override;
 
         void UpdateScreen();
-        void UpdateAnim();
 
       private:
         Pinetime::Controllers::Battery& batteryController;
@@ -33,10 +32,8 @@ namespace Pinetime {
         lv_obj_t* status;
 
         lv_task_t* taskUpdate;
-        lv_task_t* taskAnim;
 
-        int8_t animation = 0;
-        int8_t batteryPercent = -1;
+        uint8_t batteryPercent = 0;
         uint16_t batteryVoltage = 0;
       };
     }
diff --git a/src/displayapp/screens/PineTimeStyle.h b/src/displayapp/screens/PineTimeStyle.h
index 70794cc5..3b4ded1e 100644
--- a/src/displayapp/screens/PineTimeStyle.h
+++ b/src/displayapp/screens/PineTimeStyle.h
@@ -42,7 +42,7 @@ namespace Pinetime {
         Pinetime::Controllers::DateTime::Days currentDayOfWeek = Pinetime::Controllers::DateTime::Days::Unknown;
         uint8_t currentDay = 0;
 
-        DirtyValue<int> batteryPercentRemaining {};
+        DirtyValue<uint8_t> batteryPercentRemaining {};
         DirtyValue<bool> bleState {};
         DirtyValue<std::chrono::time_point<std::chrono::system_clock, std::chrono::nanoseconds>> currentDateTime {};
         DirtyValue<bool> motionSensorOk {};
diff --git a/src/displayapp/screens/SystemInfo.cpp b/src/displayapp/screens/SystemInfo.cpp
index 5ae3a595..f5bf0cc9 100644
--- a/src/displayapp/screens/SystemInfo.cpp
+++ b/src/displayapp/screens/SystemInfo.cpp
@@ -103,7 +103,7 @@ std::unique_ptr<Screen> SystemInfo::CreateScreen1() {
 }
 
 std::unique_ptr<Screen> SystemInfo::CreateScreen2() {
-  auto batteryPercent = static_cast<uint8_t>(batteryController.PercentRemaining());
+  auto batteryPercent = batteryController.PercentRemaining();
   auto resetReason = [this]() {
     switch (watchdog.ResetReason()) {
       case Drivers::Watchdog::ResetReasons::Watchdog:
diff --git a/src/displayapp/screens/Tile.cpp b/src/displayapp/screens/Tile.cpp
index ec36af38..3eb127cc 100644
--- a/src/displayapp/screens/Tile.cpp
+++ b/src/displayapp/screens/Tile.cpp
@@ -107,7 +107,7 @@ Tile::Tile(uint8_t screenID,
   lv_obj_set_pos(backgroundLabel, 0, 0);
   lv_label_set_text_static(backgroundLabel, "");
 
-  taskUpdate = lv_task_create(lv_update_task, 500000, LV_TASK_PRIO_MID, this);
+  taskUpdate = lv_task_create(lv_update_task, 5000, LV_TASK_PRIO_MID, this);
 }
 
 Tile::~Tile() {
diff --git a/src/displayapp/screens/WatchFaceAnalog.cpp b/src/displayapp/screens/WatchFaceAnalog.cpp
index c589c320..f1889379 100644
--- a/src/displayapp/screens/WatchFaceAnalog.cpp
+++ b/src/displayapp/screens/WatchFaceAnalog.cpp
@@ -177,7 +177,6 @@ void WatchFaceAnalog::UpdateClock() {
 }
 
 bool WatchFaceAnalog::Refresh() {
-
   batteryPercentRemaining = batteryController.PercentRemaining();
   if (batteryPercentRemaining.IsUpdated()) {
     auto batteryPercent = batteryPercentRemaining.Get();
diff --git a/src/displayapp/screens/WatchFaceAnalog.h b/src/displayapp/screens/WatchFaceAnalog.h
index 96225558..ac7f0ac5 100644
--- a/src/displayapp/screens/WatchFaceAnalog.h
+++ b/src/displayapp/screens/WatchFaceAnalog.h
@@ -48,7 +48,7 @@ namespace Pinetime {
         Pinetime::Controllers::DateTime::Days currentDayOfWeek = Pinetime::Controllers::DateTime::Days::Unknown;
         uint8_t currentDay = 0;
 
-        DirtyValue<float> batteryPercentRemaining {0};
+        DirtyValue<uint8_t> batteryPercentRemaining {0};
         DirtyValue<std::chrono::time_point<std::chrono::system_clock, std::chrono::nanoseconds>> currentDateTime;
         DirtyValue<bool> notificationState {false};
 
diff --git a/src/displayapp/screens/WatchFaceDigital.h b/src/displayapp/screens/WatchFaceDigital.h
index 246efc95..76c8d3dc 100644
--- a/src/displayapp/screens/WatchFaceDigital.h
+++ b/src/displayapp/screens/WatchFaceDigital.h
@@ -45,7 +45,7 @@ namespace Pinetime {
         Pinetime::Controllers::DateTime::Days currentDayOfWeek = Pinetime::Controllers::DateTime::Days::Unknown;
         uint8_t currentDay = 0;
 
-        DirtyValue<int> batteryPercentRemaining {};
+        DirtyValue<uint8_t> batteryPercentRemaining {};
         DirtyValue<bool> bleState {};
         DirtyValue<std::chrono::time_point<std::chrono::system_clock, std::chrono::nanoseconds>> currentDateTime {};
         DirtyValue<bool> motionSensorOk {};
diff --git a/src/displayapp/screens/settings/QuickSettings.cpp b/src/displayapp/screens/settings/QuickSettings.cpp
index 5db7468c..acc2a27a 100644
--- a/src/displayapp/screens/settings/QuickSettings.cpp
+++ b/src/displayapp/screens/settings/QuickSettings.cpp
@@ -110,7 +110,7 @@ QuickSettings::QuickSettings(Pinetime::Applications::DisplayApp* app,
   lv_obj_set_pos(backgroundLabel, 0, 0);
   lv_label_set_text_static(backgroundLabel, "");
 
-  taskUpdate = lv_task_create(lv_update_task, 500000, LV_TASK_PRIO_MID, this);
+  taskUpdate = lv_task_create(lv_update_task, 5000, LV_TASK_PRIO_MID, this);
 }
 
 QuickSettings::~QuickSettings() {
diff --git a/src/libs/lv_conf.h b/src/libs/lv_conf.h
index e85eeb1f..65263daa 100644
--- a/src/libs/lv_conf.h
+++ b/src/libs/lv_conf.h
@@ -293,10 +293,10 @@ typedef void* lv_img_decoder_user_data_t;
 
 /* 1: use a custom tick source.
  * It removes the need to manually update the tick with `lv_tick_inc`) */
-#define LV_TICK_CUSTOM     0
+#define LV_TICK_CUSTOM     1
 #if LV_TICK_CUSTOM == 1
-#define LV_TICK_CUSTOM_INCLUDE  "Arduino.h"         /*Header for the system time function*/
-#define LV_TICK_CUSTOM_SYS_TIME_EXPR (millis())     /*Expression evaluating to current system time in ms*/
+#define LV_TICK_CUSTOM_INCLUDE  "FreeRTOS.h"       /*Header for the system time function*/
+#define LV_TICK_CUSTOM_SYS_TIME_EXPR (xTaskGetTickCount()) /*Expression evaluating to current system time in ms*/
 #endif   /*LV_TICK_CUSTOM*/
 
 typedef void* lv_disp_drv_user_data_t;             /*Type of user data in the display driver*/
@@ -759,4 +759,4 @@ typedef void* lv_obj_user_data_t;
 
 /*--END OF LV_CONF_H--*/
 
-#endif /*LV_CONF_H*/
\ No newline at end of file
+#endif /*LV_CONF_H*/
diff --git a/src/main.cpp b/src/main.cpp
index 1b7015aa..ffbba5e7 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -178,13 +178,6 @@ void nrfx_gpiote_evt_handler(nrfx_gpiote_pin_t pin, nrf_gpiote_polarity_t action
   portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
 }
 
-extern "C" {
-void vApplicationIdleHook(void) {
-  if (!isFactory)
-    lv_tick_inc(1);
-}
-}
-
 void DebounceTimerChargeCallback(TimerHandle_t xTimer) {
   xTimerStop(xTimer, 0);
   systemTask.PushMessage(Pinetime::System::Messages::OnChargingEvent);
diff --git a/src/systemtask/SystemTask.cpp b/src/systemtask/SystemTask.cpp
index 17e78230..eb29638a 100644
--- a/src/systemtask/SystemTask.cpp
+++ b/src/systemtask/SystemTask.cpp
@@ -330,6 +330,11 @@ void SystemTask::Work() {
       }
     }
 
+    if (xTaskGetTickCount() - batteryNotificationTick > batteryNotificationPeriod) {
+      nimbleController.NotifyBatteryLevel(batteryController.PercentRemaining());
+      batteryNotificationTick = xTaskGetTickCount();
+    }
+
     monitor.Process();
     uint32_t systick_counter = nrf_rtc_counter_get(portNRF_RTC_REG);
     dateTimeController.UpdateTime(systick_counter);
diff --git a/src/systemtask/SystemTask.h b/src/systemtask/SystemTask.h
index bfb97264..f8cf6370 100644
--- a/src/systemtask/SystemTask.h
+++ b/src/systemtask/SystemTask.h
@@ -135,6 +135,8 @@ namespace Pinetime {
       void GoToRunning();
       void UpdateMotion();
       bool stepCounterMustBeReset = false;
+      static constexpr TickType_t batteryNotificationPeriod = 1000 * 60 * 10; // 1 tick ~= 1ms. 1ms * 60 * 10 = 10 minutes
+      TickType_t batteryNotificationTick = 0;
 
 #if configUSE_TRACE_FACILITY == 1
       SystemMonitor<FreeRtosMonitor> monitor;