1 // Copyright 2023 The Pigweed Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
5 // the License at
6 //
7 //     https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
13 // the License.
14 
15 #pragma once
16 #include <pw_bluetooth/hci_common.emb.h>
17 
18 #include "pw_bluetooth_sapphire/internal/host/common/error.h"
19 #include "pw_bluetooth_sapphire/internal/host/hci-spec/constants.h"
20 
21 namespace bt {
22 namespace hci {
23 
24 using Error = Error<pw::bluetooth::emboss::StatusCode>;
25 
26 template <typename... V>
27 using Result = fit::result<bt::hci::Error, V...>;
28 
29 template <typename... V>
30 using ResultFunction = fit::function<void(bt::hci::Result<V...> result)>;
31 
32 template <typename... V>
33 using ResultCallback = fit::callback<void(bt::hci::Result<V...> result)>;
34 
35 }  // namespace hci
36 
37 // Specializations for pw::bluetooth::emboss::StatusCode.
38 template <>
39 struct ProtocolErrorTraits<pw::bluetooth::emboss::StatusCode> {
40   static std::string ToString(pw::bluetooth::emboss::StatusCode ecode);
41 
42   static constexpr bool is_success(pw::bluetooth::emboss::StatusCode ecode) {
43     return ecode == pw::bluetooth::emboss::StatusCode::SUCCESS;
44   }
45 };
46 
47 }  // namespace bt
48