1 /*
2  * Copyright (c) 2020 - 2023, 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 /**
36  * @defgroup nrf_802154_spinel_serialization
37  * 802.15.4 radio driver spinel serialization
38  * @{
39  *
40  */
41 
42 #ifndef NRF_802154_SPINEL_H_
43 #define NRF_802154_SPINEL_H_
44 
45 #include "nrf_802154_serialization_error.h"
46 #include "nrf_802154_buffer_mgr_dst.h"
47 #include "nrf_802154_buffer_mgr_src.h"
48 
49 #ifdef __cplusplus
50 extern "C" {
51 #endif
52 
53 #ifndef CONFIG_NRF_802154_SER_DEFAULT_RESPONSE_TIMEOUT
54 /**
55  * @brief Default response timeout in us for response to serialized request.
56  */
57 #define CONFIG_NRF_802154_SER_DEFAULT_RESPONSE_TIMEOUT 500
58 #endif /* CONFIG_NRF_802154_SER_DEFAULT_RESPONSE_TIMEOUT */
59 
60 /**
61  * @brief Maximal size of a Spinel frame in 802.15.4 serialization.
62  */
63 #define NRF_802154_SPINEL_FRAME_MAX_SIZE    296
64 
65 /**
66  * @brief Buffer size for Spinel frame in 802.15.4 serialization.
67  *
68  * This macro can used as a replacement for @ref SPINEL_FRAME_BUFFER_SIZE in 802.15.4 serialization
69  * to reduce memory required for Spinel frame processing.
70  */
71 #define NRF_802154_SPINEL_FRAME_BUFFER_SIZE (NRF_802154_SPINEL_FRAME_MAX_SIZE + \
72                                              SPINEL_ENCRYPTER_EXTRA_DATA_SIZE)
73 
74 /**
75  * @brief Serializes data according to format string and sends it over spinel backend.
76  *
77  * @param[in]  p_fmt  Pointer to a format string describing data types to be serialized.
78  *                    Format string should conform to spinel specification.
79  * @param[in]  ...    Data to be serialized and sent according to @ref p_fmt format string.
80  *
81  * @returns  number of bytes sent or negative error value on failure.
82  *
83  */
84 nrf_802154_ser_err_t nrf_802154_spinel_send(const char * p_fmt, ...);
85 
86 /**
87  * @brief Gets buffer manager for transactions originated by the remote serialization peer.
88  *
89  * @returns  Pointer to the destination frame buffer manager.
90  */
91 nrf_802154_buffer_mgr_dst_t * nrf_802154_spinel_dst_buffer_mgr_get(void);
92 
93 /**
94  * @brief Gets buffer manager for transactions originated by the local serialization peer.
95  *
96  * @returns Pointer to the source frame buffer manager.
97  */
98 nrf_802154_buffer_mgr_src_t * nrf_802154_spinel_src_buffer_mgr_get(void);
99 
100 #ifdef __cplusplus
101 }
102 #endif
103 
104 #endif /* NRF_802154_SPINEL_H_ */
105 
106 /** @} */
107