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https://github.com/espressif/esp-nimble.git
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Add function to load at least one BLE addr from hw
This is just a helper function, so it is not going in the nimble stack itself. Instead, I have created a supplementary package: net/nimble/host/util. X-Original-Commit: b185ac0bd90c1f3ad3bc481fe1c4ec63a7e8238c
This commit is contained in:
Christopher Collins
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#ifndef H_HOST_UTIL_
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#define H_HOST_UTIL_
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#ifdef __cplusplus
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extern "C" {
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#endif
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int ble_hs_util_ensure_addr(int prefer_random);
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#ifdef __cplusplus
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}
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#endif
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#endif
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#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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pkg.name: net/nimble/host/util
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pkg.description: Supplementary utilities for the NimBLE host
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pkg.author: "Apache Mynewt <[email protected]>"
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pkg.homepage: "http://mynewt.apache.org/"
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pkg.keywords:
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- ble
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- bluetooth
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pkg.deps:
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- net/nimble/host
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#include "hal/hal_bsp.h"
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#include "host/ble_hs.h"
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#include "host/util/util.h"
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#if MYNEWT_VAL(BLE_DEVICE)
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#include "controller/ble_hw.h"
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#endif
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static int
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ble_hs_util_load_rand_addr(ble_addr_t *addr)
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{
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/* XXX: It is unfortunate that the function to retrieve the random address
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* is in the controller package. A host-only device ought to be able to
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* automically restore a random address.
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*/
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#if MYNEWT_VAL(BLE_DEVICE)
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int rc;
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rc = ble_hw_get_static_addr(addr);
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if (rc == 0) {
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return 0;
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}
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#endif
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return BLE_HS_ENOADDR;
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}
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static int
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ble_hs_util_ensure_rand_addr(void)
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{
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ble_addr_t addr;
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int rc;
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/* If we already have a random address, then we are done. */
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rc = ble_hs_id_copy_addr(BLE_ADDR_RANDOM, NULL, NULL);
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if (rc == 0) {
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return 0;
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}
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/* Otherwise, try to load a random address. */
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rc = ble_hs_util_load_rand_addr(&addr);
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if (rc != 0) {
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return rc;
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}
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/* Configure nimble to use the random address. */
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rc = ble_hs_id_set_rnd(addr.val);
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if (rc != 0) {
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return rc;
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}
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return 0;
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}
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/**
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* Tries to configure the device with at least one Bluetooth address.
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* Addresses are restored in a hardware-specific fasion.
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*
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* @param prefer_random Whether to attempt to restore a random address
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* before checking if a public address has
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* already been configured.
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*
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* @return 0 on success;
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* BLE_HS_ENOADDR if the device does not have any
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* available addresses.
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* Other BLE host core code on error.
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*/
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int
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ble_hs_util_ensure_addr(int prefer_random)
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{
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int rc;
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if (prefer_random) {
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/* Try to load a random address. */
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rc = ble_hs_util_ensure_rand_addr();
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if (rc == BLE_HS_ENOADDR) {
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/* No random address; try to load a public address. */
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rc = ble_hs_id_copy_addr(BLE_ADDR_PUBLIC, NULL, NULL);
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}
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} else {
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/* Try to load a public address. */
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rc = ble_hs_id_copy_addr(BLE_ADDR_PUBLIC, NULL, NULL);
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if (rc == BLE_HS_ENOADDR) {
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/* No random address; try to load a random address. */
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rc = ble_hs_util_ensure_rand_addr();
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}
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}
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return rc;
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}
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@@ -0,0 +1,21 @@
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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# Package: net/nimble/host/util
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syscfg.defs:
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