1 /******************************************************************************
2  *
3  *  Copyright (C) 2014 Google, Inc.
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at:
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 
19 #pragma once
20 
21 #include "hci_layer.h"
22 
23 typedef struct thread_t thread_t;
24 typedef struct vendor_t vendor_t;
25 
26 typedef struct low_power_manager_t {
27   // Initialize the low power manager, and use |post_thread| to synchronize actions.
28   void (*init)(thread_t *post_thread);
29 
30   // Clean up the low power manager and release resources.
31   void (*cleanup)(void);
32 
33   // Performs |command| synchronized on the thread that was provided
34   // at initialization time.
35   void (*post_command)(low_power_command_t command);
36 
37   // Assert wake (for transmission). Must be called on the thread provided
38   // at initialization time.
39   void (*wake_assert)(void);
40 
41   // Tell the low power manager that you're done transmitting data. Must be
42   // called on the thread provided at initialization time.
43   void (*transmit_done)(void);
44 } low_power_manager_t;
45 
46 const low_power_manager_t *low_power_manager_get_interface();
47 const low_power_manager_t *low_power_manager_get_test_interface(const vendor_t *vendor_interface);
48