Merge pull request #788 from UUSim/master

Added support for directed BLE advertisements.

Author: hathach

.gitignore

@@ -3,7 +3,10 @@
 *.obj
 
 # Visual Studio Code
-**/.vscode/
+.vscode/
+.idea/
+.pio/
+.piopm
 
 # Executables
 *.out
@@ -13,12 +16,11 @@
 /tools/.idea/
 /tools/midi_tests/node_modules
 
-.idea/
 .DS_Store
 *.swp
 /Output
 
 # Ignore local overrides of platform.txt and boards.txt,
 /boards.local.txt
 /platform.local.txt
-/libraries/**/build/
+

libraries/Bluefruit52Lib/src/BLEAdvertising.cpp

@@ -315,6 +315,10 @@ void BLEAdvertising::setStopCallback(stop_callback_t fp)
   _stop_cb = fp;
 }
 
+void BLEAdvertising::setPeerAddress(const ble_gap_addr_t& peer_addr) {
+  _peer_addr = peer_addr;
+}
+
 bool BLEAdvertising::isRunning(void)
 {
   return _runnning;
@@ -338,8 +342,7 @@ void BLEAdvertising::restartOnDisconnect(bool enable)
 bool BLEAdvertising::_start(uint16_t interval, uint16_t timeout)
 {
   // ADV Params
-  ble_gap_adv_params_t adv_para =
-  {
+  ble_gap_adv_params_t adv_para = {
     .properties    = { .type = _type, .anonymous  = 0 },
     .p_peer_addr   = NULL                     , // Undirected advertisement
     .interval      = interval                 , // advertising interval (in units of 0.625 ms)
@@ -354,9 +357,20 @@ bool BLEAdvertising::_start(uint16_t interval, uint16_t timeout)
       // , .set_id, .scan_req_notification
   };
 
+  switch(_type) {
+    case BLE_GAP_ADV_TYPE_CONNECTABLE_NONSCANNABLE_DIRECTED_HIGH_DUTY_CYCLE:
+    case BLE_GAP_ADV_TYPE_CONNECTABLE_NONSCANNABLE_DIRECTED:
+    case BLE_GAP_ADV_TYPE_EXTENDED_CONNECTABLE_NONSCANNABLE_DIRECTED:
+    case BLE_GAP_ADV_TYPE_EXTENDED_NONCONNECTABLE_SCANNABLE_DIRECTED:
+    case BLE_GAP_ADV_TYPE_EXTENDED_NONCONNECTABLE_NONSCANNABLE_DIRECTED:
+      adv_para.p_peer_addr = &_peer_addr;
+      break;
+
+    default: break;
+  }
+
   // gap_adv long-live is required by SD v6
-  static ble_gap_adv_data_t gap_adv =
-  {
+  static ble_gap_adv_data_t gap_adv = {
       .adv_data      = { .p_data = _data, .len = _count },
       .scan_rsp_data = { .p_data = Bluefruit.ScanResponse.getData(), .len = Bluefruit.ScanResponse.count() }
   };
@@ -464,5 +478,4 @@ void BLEAdvertising::_eventHandler(ble_evt_t* evt)
 
     default: break;
   }
-}
-
+}

libraries/Bluefruit52Lib/src/BLEAdvertising.h

@@ -134,6 +134,9 @@ class BLEAdvertising : public BLEAdvertisingData
   bool setBeacon(BLEBeacon& beacon);
   bool setBeacon(EddyStoneUrl& eddy_url);
 
+  // Advertise to a single peer instead of broadcasting
+  void setPeerAddress(const ble_gap_addr_t& peer_addr);
+
   bool isRunning(void);
 
   void restartOnDisconnect(bool enable);
@@ -152,6 +155,7 @@ class BLEAdvertising : public BLEAdvertisingData
   uint8_t  _type;
   bool     _start_if_disconnect;
   bool     _runnning;
+  ble_gap_addr_t _peer_addr; //! Target address for an ADV_DIRECT_IND advertisement
 
   uint32_t _conn_mask;