modify nuttx bug of lack of files

2021-06-11 11:25:07 +08:00
parent 4a7f51a5e9
commit 6d0f2ca39a
6752 changed files with 1528133 additions and 0 deletions
@@ -0,0 +1,145 @@
+/****************************************************************************
+ * net/bluetooth/bluetooth_finddev.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <assert.h>
+
+#include <nuttx/net/net.h>
+#include <nuttx/net/radiodev.h>
+#include <nuttx/net/bluetooth.h>
+#include <nuttx/wireless/bluetooth/bt_hci.h>
+
+#include "netdev/netdev.h"
+#include "bluetooth/bluetooth.h"
+
+#ifdef CONFIG_NET_BLUETOOTH
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+struct bluetooth_finddev_s
+{
+  FAR const bt_addr_t       *bf_addr;
+  FAR struct radio_driver_s *bf_radio;
+};
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: bluetooth_dev_callback
+ *
+ * Description:
+ *   Check if this device matches the connections local address.
+ *
+ * Input Parameters:
+ *   dev - The next network device in the enumeration
+ *
+ * Returned Value:
+ *   0 if there is no match (meaning to continue looking); 1 if there is a
+ *   match (meaning to stop the search).
+ *
+ ****************************************************************************/
+
+static int bluetooth_dev_callback(FAR struct net_driver_s *dev,
+                                  FAR void *arg)
+{
+  FAR struct bluetooth_finddev_s *match =
+    (FAR struct bluetooth_finddev_s *)arg;
+
+  DEBUGASSERT(dev != NULL && match != NULL && match->bf_addr != NULL);
+
+  /* First, check if this network device is an Bluetooth radio and that
+   * it has an assigned Bluetooth address.
+   */
+
+  if (dev->d_lltype == NET_LL_BLUETOOTH && dev->d_mac.radio.nv_addrlen > 0)
+    {
+      DEBUGASSERT(dev->d_mac.radio.nv_addrlen == BLUETOOTH_ADDRSIZE);
+
+      /* Does the device address match */
+
+      if (BLUETOOTH_ADDRCMP(dev->d_mac.radio.nv_addr, match->bf_addr))
+        {
+          /* Yes.. save the match and return 1 to stop the search */
+
+          match->bf_radio = (FAR struct radio_driver_s *)dev;
+          return 1;
+        }
+    }
+
+  /* Keep looking */
+
+  return 0;
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: bluetooth_find_device
+ *
+ * Description:
+ *   Select the network driver to use with the Bluetooth transaction.
+ *
+ * Input Parameters:
+ *   conn - Bluetooth connection structure (not currently used).
+ *   addr - The address to match the devices assigned address
+ *
+ * Returned Value:
+ *   A pointer to the network driver to use.  NULL is returned on any
+ *   failure.
+ *
+ ****************************************************************************/
+
+FAR struct radio_driver_s *
+  bluetooth_find_device(FAR struct bluetooth_conn_s *conn,
+                        FAR const bt_addr_t *addr)
+{
+  struct bluetooth_finddev_s match;
+  int ret;
+
+  DEBUGASSERT(conn != NULL);
+  match.bf_addr  = addr;
+  match.bf_radio = NULL;
+
+  /* Search for the Bluetooth network device whose MAC is equal to the
+   * sockets bound local address.
+   */
+
+  ret = netdev_foreach(bluetooth_dev_callback, (FAR void *)&match);
+  if (ret == 1)
+    {
+      DEBUGASSERT(match.bf_radio != NULL);
+      return match.bf_radio;
+    }
+
+  return NULL;
+}
+
+#endif /* CONFIG_NET_BLUETOOTH */