BLE: Add gap handlers to be informed when advertising as started or been stopped

connectivity/FEATURE_BLE/source/cordio/source/PalGapImpl.cpp

@@ -639,6 +639,20 @@ void PalGap::gap_handler(const wsfMsgHdr_t *msg)
             break;
 #endif // BLE_FEATURE_PERIODIC_ADVERTISING
 
+        case DM_ADV_START_IND:
+            if (!handler) {
+                break;
+            }
+            handler->on_legacy_advertising_started();
+            break;
+
+        case DM_ADV_STOP_IND:
+            if (!handler) {
+                break;
+            }
+            handler->on_legacy_advertising_stopped();
+            break;
+
 #if BLE_FEATURE_EXTENDED_ADVERTISING && BLE_ROLE_BROADCASTER
         case DM_SCAN_REQ_RCVD_IND: {
             if (!handler) {
@@ -651,8 +665,16 @@ void PalGap::gap_handler(const wsfMsgHdr_t *msg)
                 connection_peer_address_type_t(evt->scanAddrType),
                 evt->scanAddr
             );
-        }
+        }   break;
-            break;
+
+        case DM_ADV_SET_START_IND: {
+            if (!handler) {
+                break;
+            }
+            const auto *evt = (const dmAdvSetStartEvt_t *) msg;
+            handler->on_advertising_set_started({evt->advHandle, evt->numSets});
+        }   break;
+
 
         case DM_ADV_SET_STOP_IND: {
             const auto *evt = (const hciLeAdvSetTermEvt_t *) msg;
@@ -676,8 +698,7 @@ void PalGap::gap_handler(const wsfMsgHdr_t *msg)
                 evt->handle,
                 evt->numComplEvts
             );
-        }
+        }   break;
-            break;
 #endif //  BLE_FEATURE_EXTENDED_ADVERTISING && BLE_ROLE_BROADCASTER
 
 #if BLE_FEATURE_EXTENDED_ADVERTISING && BLE_ROLE_OBSERVER

connectivity/FEATURE_BLE/source/generic/GapImpl.cpp

@@ -2466,6 +2466,17 @@ void Gap::on_periodic_advertising_sync_loss(sync_handle_t sync_handle)
     );
 }
 
+void Gap::on_legacy_advertising_started()
+{
+}
+
+void Gap::on_legacy_advertising_stopped()
+{
+}
+
+void Gap::on_advertising_set_started(const mbed::Span<const uint8_t>& handles)
+{
+}
 
 void Gap::on_advertising_set_terminated(
     hci_error_code_t status,

connectivity/FEATURE_BLE/source/generic/GapImpl.h

@@ -494,6 +494,12 @@ private:
 
     void on_periodic_advertising_sync_loss(sync_handle_t sync_handle) override;
 
+    void on_legacy_advertising_started() override;
+
+    void on_legacy_advertising_stopped() override;
+
+    void on_advertising_set_started(const mbed::Span<const uint8_t>& handles) override;
+
     void on_advertising_set_terminated(
         hci_error_code_t status,
         advertising_handle_t advertising_handle,

connectivity/FEATURE_BLE/source/pal/PalGap.h

@@ -198,6 +198,21 @@ public:
      */
     virtual void on_scan_timeout( ) = 0;
 
+    /**
+     * Called when legacy advertising has been effectively started.
+     */
+    virtual void on_legacy_advertising_started() = 0;
+
+    /**
+     * Called when legacy advertising has been stopped.
+     */
+    virtual void on_legacy_advertising_stopped() = 0;
+
+    /**
+     * Called when extended advertising has been started.
+     */
+    virtual void on_advertising_set_started(const mbed::Span<const uint8_t>& handles) = 0;
+
     /** Called when advertising set stops advertising.
      *
      * @param status SUCCESS if connection has been established.