xref: /aosp_15_r20/external/pigweed/pw_chre/example_init.cc (revision 61c4878ac05f98d0ceed94b57d316916de578985)
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 #include "pw_chre/chre.h"
15 #include "pw_system/target_hooks.h"
16 #include "pw_thread/thread.h"
17 
18 namespace pw::system {
19 namespace {
20 
21 pw::Thread chre_thread;
22 
23 }  // namespace
24 
25 // This will run once after pw::system::Init() completes. This callback must
26 // return or it will block the work queue.
UserAppInit()27 void UserAppInit() {
28   // Start the thread that is running CHRE.
29   chre_thread = pw::Thread(
30       pw::system::LogThreadOptions(),
31       [](void*) {
32         pw::chre::Init();
33         pw::chre::RunEventLoop();
34         pw::chre::Deinit();
35       },
36       nullptr);
37 }
38 
39 }  // namespace pw::system
40