1 /*
2  * Copyright (c) 2017, Nordic Semiconductor ASA
3  * All rights reserved.
4  *
5  * SPDX-License-Identifier: BSD-3-Clause
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright notice, this
11  *    list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
18  *    contributors may be used to endorse or promote products derived from this
19  *    software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  *
33  */
34 
35 #include <stddef.h>
36 
37 #include "nrf_802154.h"
38 #include "nrf_802154_stats.h"
39 
40 #define NUMBER_OF_STAT_COUNTERS (sizeof(nrf_802154_stat_counters_t) / sizeof(uint32_t))
41 
42 /**@brief Structure holding statistics about the Radio Driver behavior. */
43 volatile nrf_802154_stats_t g_nrf_802154_stats;
44 
nrf_802154_stats_get(nrf_802154_stats_t * p_stats)45 void nrf_802154_stats_get(nrf_802154_stats_t * p_stats)
46 {
47     *p_stats = g_nrf_802154_stats;
48 }
49 
nrf_802154_stat_counters_get(nrf_802154_stat_counters_t * p_stat_counters)50 void nrf_802154_stat_counters_get(nrf_802154_stat_counters_t * p_stat_counters)
51 {
52     *p_stat_counters = g_nrf_802154_stats.counters;
53 }
54 
nrf_802154_stat_counters_subtract(const nrf_802154_stat_counters_t * p_stat_counters)55 void nrf_802154_stat_counters_subtract(const nrf_802154_stat_counters_t * p_stat_counters)
56 {
57     volatile uint32_t * p_dst = (volatile uint32_t *)(&g_nrf_802154_stats.counters);
58     const uint32_t    * p_src = (const uint32_t *)p_stat_counters;
59 
60     for (size_t i = 0; i < NUMBER_OF_STAT_COUNTERS; ++i)
61     {
62         nrf_802154_mcu_critical_state_t mcu_cs;
63 
64         nrf_802154_mcu_critical_enter(mcu_cs);
65         *p_dst -= *p_src;
66         nrf_802154_mcu_critical_exit(mcu_cs);
67 
68         p_dst++;
69         p_src++;
70     }
71 }
72 
nrf_802154_stat_timestamps_get(nrf_802154_stat_timestamps_t * p_stat_timestamps)73 void nrf_802154_stat_timestamps_get(nrf_802154_stat_timestamps_t * p_stat_timestamps)
74 {
75     *p_stat_timestamps = g_nrf_802154_stats.timestamps;
76 }
77 
nrf_802154_stat_counters_reset(void)78 void nrf_802154_stat_counters_reset(void)
79 {
80     volatile uint32_t * p_dst = (volatile uint32_t *)(&g_nrf_802154_stats.counters);
81 
82     for (size_t i = 0; i < NUMBER_OF_STAT_COUNTERS; ++i)
83     {
84         *(p_dst++) = 0U;
85     }
86 }
87