Detect BLE disconnection (in addition to BLE connection) and update the display accordingly.

src/BLE/BleManager.c

@@ -118,6 +118,22 @@ void ble_manager_init_stack() {
   NRF_SDH_BLE_OBSERVER(m_ble_observer, BLE_MANAGER__OBSERVER_PRIO, ble_manager_event_handler, NULL);
 }
 
+void (*OnNewTimeCallback)(current_time_char_t*);
+void ble_manager_set_new_time_callback(void (*OnNewTime)(current_time_char_t*)) {
+  OnNewTimeCallback = OnNewTime;
+}
+
+void (*OnBleConnectionCallback)();
+void ble_manager_set_ble_connection_callback(void (*OnBleConnection)()) {
+  OnBleConnectionCallback = OnBleConnection;
+}
+
+void (*OnBleDisconnectionCallback)();
+void ble_manager_set_ble_disconnection_callback(void (*OnBleDisconnection)()) {
+  OnBleDisconnectionCallback = OnBleDisconnection;
+}
+
+
 void ble_manager_event_handler(ble_evt_t const *p_ble_evt, void *p_context) {
   uint32_t err_code;
 
@@ -126,6 +142,7 @@ void ble_manager_event_handler(ble_evt_t const *p_ble_evt, void *p_context) {
       NRF_LOG_INFO("Connected");
       ble_manager_connection_handle = p_ble_evt->evt.gap_evt.conn_handle;
       err_code = nrf_ble_qwr_conn_handle_assign(&ble_manager_queue_write, ble_manager_connection_handle);
+      OnBleConnectionCallback();
       APP_ERROR_CHECK(err_code);
       break;
 
@@ -135,6 +152,7 @@ void ble_manager_event_handler(ble_evt_t const *p_ble_evt, void *p_context) {
       if (p_ble_evt->evt.gap_evt.conn_handle == ble_manager_cts_client.conn_handle) {
         ble_manager_cts_client.conn_handle = BLE_CONN_HANDLE_INVALID;
       }
+      OnBleDisconnectionCallback();
       break;
 
     case BLE_GAP_EVT_PHY_UPDATE_REQUEST: {
@@ -320,11 +338,6 @@ void ble_manager_start_advertising(void *p_erase_bonds) {
   }
 }
 
-void (*OnNewTimeCallback)(current_time_char_t*);
-void ble_manager_set_callback(void (*OnNewTime)(current_time_char_t*)) {
-  OnNewTimeCallback = OnNewTime;
-}
-
 void ble_manager_init_services() {
   ret_code_t err_code;
   ble_hrs_init_t hrs_init;

src/BLE/BleManager.h

@@ -35,8 +35,9 @@ void ble_manager_init();
 void ble_manager_start_advertising(void *p_erase_bonds);
 
 // TODO use signals from RTOS to notify new time
-void ble_manager_set_callback(void (*OnNewTime)(current_time_char_t* currentTime));
-
+void ble_manager_set_new_time_callback(void (*OnNewTime)(current_time_char_t* currentTime));
+void ble_manager_set_ble_disconnection_callback(void (*OnBleDisconnection)());
+void ble_manager_set_ble_connection_callback(void (*OnBleConnection)());
 
 
 #ifdef __cplusplus

src/main.cpp

@@ -33,6 +33,8 @@ Pinetime::Controllers::Ble bleController;
 Pinetime::Controllers::DateTime dateTimeController;
 
 
+void ble_manager_set_ble_connection_callback(void (*connection)());
+void ble_manager_set_ble_disconnection_callback(void (*disconnection)());
 static constexpr uint8_t pinButton = 13;
 static constexpr uint8_t pinTouchIrq = 28;
 
@@ -98,10 +100,17 @@ void SystemTask(void *) {
   vTaskSuspend(nullptr);
 }
 
-void OnNewTime(current_time_char_t* currentTime) {
+void OnBleConnection() {
   bleController.Connect();
   displayApp->PushMessage(Pinetime::Applications::DisplayApp::Messages::UpdateBleConnection);
+}
 
+void OnBleDisconnection() {
+  bleController.Disconnect();
+  displayApp->PushMessage(Pinetime::Applications::DisplayApp::Messages::UpdateBleConnection);
+}
+
+void OnNewTime(current_time_char_t* currentTime) {
   auto dayOfWeek = currentTime->exact_time_256.day_date_time.day_of_week;
   auto year = currentTime->exact_time_256.day_date_time.date_time.year;
   auto month = currentTime->exact_time_256.day_date_time.date_time.month;
@@ -122,7 +131,9 @@ int main(void) {
     APP_ERROR_HANDLER(NRF_ERROR_NO_MEM);
 
   ble_manager_init();
-  ble_manager_set_callback(OnNewTime);
+  ble_manager_set_new_time_callback(OnNewTime);
+  ble_manager_set_ble_connection_callback(OnBleConnection);
+  ble_manager_set_ble_disconnection_callback(OnBleDisconnection);
 
   vTaskStartScheduler();
 
@@ -133,3 +144,4 @@ int main(void) {
 
 
 
+