1 /*
2  *  Copyright (c) 2018, The OpenThread Authors.
3  *  All rights reserved.
4  *
5  *  Redistribution and use in source and binary forms, with or without
6  *  modification, are permitted provided that the following conditions are met:
7  *  1. Redistributions of source code must retain the above copyright
8  *     notice, this list of conditions and the following disclaimer.
9  *  2. Redistributions in binary form must reproduce the above copyright
10  *     notice, this list of conditions and the following disclaimer in the
11  *     documentation and/or other materials provided with the distribution.
12  *  3. Neither the name of the copyright holder nor the
13  *     names of its contributors may be used to endorse or promote products
14  *     derived from this software without specific prior written permission.
15  *
16  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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23  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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25  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  *  POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 /**
30  * @file
31  *   This file implements the OpenThread channel monitor APIs.
32  */
33 
34 #include "openthread-core-config.h"
35 
36 #if OPENTHREAD_CONFIG_CHANNEL_MONITOR_ENABLE
37 
38 #include <openthread/channel_monitor.h>
39 
40 #include "common/instance.hpp"
41 #include "common/locator_getters.hpp"
42 
43 using namespace ot;
44 
otChannelMonitorSetEnabled(otInstance * aInstance,bool aEnabled)45 otError otChannelMonitorSetEnabled(otInstance *aInstance, bool aEnabled)
46 {
47     Utils::ChannelMonitor &monitor = static_cast<Instance *>(aInstance)->Get<Utils::ChannelMonitor>();
48 
49     return aEnabled ? monitor.Start() : monitor.Stop();
50 }
51 
otChannelMonitorIsEnabled(otInstance * aInstance)52 bool otChannelMonitorIsEnabled(otInstance *aInstance)
53 {
54     Instance &instance = *static_cast<Instance *>(aInstance);
55 
56     return instance.Get<Utils::ChannelMonitor>().IsRunning();
57 }
58 
otChannelMonitorGetSampleInterval(otInstance * aInstance)59 uint32_t otChannelMonitorGetSampleInterval(otInstance *aInstance)
60 {
61     OT_UNUSED_VARIABLE(aInstance);
62 
63     return Utils::ChannelMonitor::kSampleInterval;
64 }
65 
otChannelMonitorGetRssiThreshold(otInstance * aInstance)66 int8_t otChannelMonitorGetRssiThreshold(otInstance *aInstance)
67 {
68     OT_UNUSED_VARIABLE(aInstance);
69 
70     return Utils::ChannelMonitor::kRssiThreshold;
71 }
72 
otChannelMonitorGetSampleWindow(otInstance * aInstance)73 uint32_t otChannelMonitorGetSampleWindow(otInstance *aInstance)
74 {
75     OT_UNUSED_VARIABLE(aInstance);
76 
77     return Utils::ChannelMonitor::kSampleWindow;
78 }
79 
otChannelMonitorGetSampleCount(otInstance * aInstance)80 uint32_t otChannelMonitorGetSampleCount(otInstance *aInstance)
81 {
82     Instance &instance = *static_cast<Instance *>(aInstance);
83 
84     return instance.Get<Utils::ChannelMonitor>().GetSampleCount();
85 }
86 
otChannelMonitorGetChannelOccupancy(otInstance * aInstance,uint8_t aChannel)87 uint16_t otChannelMonitorGetChannelOccupancy(otInstance *aInstance, uint8_t aChannel)
88 {
89     Instance &instance = *static_cast<Instance *>(aInstance);
90 
91     return instance.Get<Utils::ChannelMonitor>().GetChannelOccupancy(aChannel);
92 }
93 
94 #endif // OPENTHREAD_CONFIG_CHANNEL_MONITOR_ENABLE
95