feat(nimble): Added API to get local used address

nimble/host/include/host/ble_esp_gap.h

@@ -112,6 +112,15 @@ int ble_gap_wl_read_size(uint8_t *size);
  */
 int ble_gap_host_check_status(void);
 
+/**
+ * This API is called to get local used address and address type.
+ *
+ * @param addr                  On success, locally used address will be stored here.
+ *
+ * @return                      0 on success; nonzero on failure.
+*/
+int ble_gap_get_local_used_addr(ble_addr_t *addr);
+
 #if MYNEWT_VAL(BLE_HCI_VS)
 #if MYNEWT_VAL(BLE_POWER_CONTROL)
 

nimble/host/src/ble_gap.c

@@ -805,6 +805,27 @@ ble_gap_set_prefered_le_phy(uint16_t conn_handle, uint8_t tx_phys_mask,
 #endif
 }
 
+int ble_gap_get_local_used_addr(ble_addr_t *addr)
+{
+    uint8_t own_addr_type = 0;
+    const uint8_t *out_id_addr;
+    int rc;
+
+    if (addr == NULL) {
+        return ESP_FAIL;
+    }
+
+    own_addr_type = ble_gap_slave[0].our_addr_type;
+
+    rc = ble_hs_id_addr(own_addr_type, &out_id_addr,NULL);
+
+    if (rc == 0) {
+        addr->type = own_addr_type;
+        memcpy(addr->val, out_id_addr, BLE_DEV_ADDR_LEN);
+    }
+
+    return rc;
+}
 /*****************************************************************************
  * $misc                                                                     *
  *****************************************************************************/