/**
* Copyright (c) 2013 - 2019, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef BLE_SERIALIZATION_H__
#define BLE_SERIALIZATION_H__
#include "nordic_common.h"
#include "nrf_error.h"
#include <stdint.h>
#include <stddef.h>
#include "cond_field_serialization.h"
#ifdef __cplusplus
extern "C" {
#endif
/**@brief Types of serialization packets. */
typedef enum
{
SER_PKT_TYPE_CMD = 0, /**< Command packet type. */
SER_PKT_TYPE_RESP, /**< Command Response packet type. */
SER_PKT_TYPE_EVT, /**< Event packet type. */
SER_PKT_TYPE_DTM_CMD, /**< DTM Command packet type. */
SER_PKT_TYPE_DTM_RESP, /**< DTM Response packet type. */
SER_PKT_TYPE_GENERIC_CMD, /**< GENERIC Command packet type. */
#if defined(ANT_STACK_SUPPORT_REQD)
SER_PKT_TYPE_ANT_CMD, /**< ANT Command packet type. */
SER_PKT_TYPE_ANT_RESP, /**< ANT Response packet type. */
SER_PKT_TYPE_ANT_EVT, /**< ANT Event packet type. */
#endif
SER_PKT_TYPE_MAX /**< Upper bound. */
} ser_pkt_type_t;
typedef enum
{
SER_GENERIC_CMD_RESET,
SER_GENERIC_CMD_SOFT_RESET
} ser_generic_cmd_t;
#define LOW16(a) ((uint16_t)((a & 0x0000FFFF) >> 0))
#define HIGH16(a) ((uint16_t)((a & 0xFFFF0000) >> 16))
//lint -esym(516,__INTADDR__) Symbol '__INTADDR__()' has arg. type conflict
//lint -esym(628,__INTADDR__) no argument information provided for function '__INTADDR__()'
/** Size in bytes of the Error Code field in a Command Response packet. */
#define SER_ERR_CODE_SIZE 4
/** Size in bytes of the Packet Type field (@ref ser_pkt_type_t). */
#define SER_PKT_TYPE_SIZE 1
/** Size in bytes of the Operation Code field. */
#define SER_OP_CODE_SIZE 1
/** Position of the Packet Type field in a serialized packet buffer. */
#define SER_PKT_TYPE_POS 0
/** Position of the Operation Code field in a serialized packet buffer. */
#define SER_PKT_OP_CODE_POS (SER_PKT_TYPE_SIZE)
/** Position of the Data in a serialized packet buffer. */
#define SER_PKT_DATA_POS (SER_PKT_TYPE_SIZE + SER_OP_CODE_SIZE)
/** Position of the Operation Code field in a command buffer. */
#define SER_CMD_OP_CODE_POS 0
/** Position of the Data in a command buffer.*/
#define SER_CMD_DATA_POS (SER_OP_CODE_SIZE)
/** Size of the Command header. */
#define SER_CMD_HEADER_SIZE (SER_OP_CODE_SIZE)
/** Size of the Command Response header. */
#define SER_CMD_RSP_HEADER_SIZE (SER_OP_CODE_SIZE + SER_ERR_CODE_SIZE)
/** Position of the Command Response code. */
#define SER_CMD_RSP_STATUS_CODE_POS (SER_OP_CODE_SIZE)
/** Size of event ID field. */
#define SER_EVT_ID_SIZE 2
/** Position of event ID field. */
#define SER_EVT_ID_POS 0
/** Size of event header. */
#define SER_EVT_HEADER_SIZE (SER_EVT_ID_SIZE)
/** Size of event connection handler. */
#define SER_EVT_CONN_HANDLE_SIZE 2
#if defined(ANT_STACK_SUPPORT_REQD)
/** Size of event ID field. */
#define SER_ANT_EVT_ID_SIZE 2
/** Position of event ID field. */
#define SER_ANT_EVT_ID_POS 0
/** Size of event header. */
#define SER_ANT_EVT_HEADER_SIZE (SER_ANT_EVT_ID_SIZE)
#endif
/** Position of the Op Code in the DTM command buffer.*/
#define SER_DTM_CMD_OP_CODE_POS 0
/** Position of the data in the DTM command buffer.*/
#define SER_DTM_CMD_DATA_POS 1
/** Position of the Op Code in the DTM command response buffer.*/
#define SER_DTM_RESP_OP_CODE_POS 1
/** Position of the status field in the DTM command response buffer.*/
#define SER_DTM_RESP_STATUS_POS 2
/** Value to indicate that an optional field is encoded in the serialized packet, e.g. white list.*/
#define SER_FIELD_PRESENT 0x01
/** Value to indicate that an optional field is not encoded in the serialized packet. */
#define SER_FIELD_NOT_PRESENT 0x00
/** Enable SER_ASSERT<*> asserts */
#define SER_ASSERTS_ENABLED 1
/** Returns with error code if expr is not true. It is used for checking error which should be
* checked even when SER_ASSERTS_ENABLED is not set. */
#define SER_ERROR_CHECK(expr, error_code) do { if (!(expr)) return (error_code); } while (0)
#ifdef SER_ASSERTS_ENABLED
/** Returns with error code if expr is not true. */
#define SER_ASSERT(expr, error_code) SER_ERROR_CHECK(expr, error_code)
/** Returns if expression is not true. */
#define SER_ASSERT_VOID_RETURN(expr) do { if (!(expr)) return; } while (0)
/** Returns with \ref NRF_ERROR_INVALID_LENGTH if len is not less or equal to maxlen. */
#define SER_ASSERT_LENGTH_LEQ(len, maxlen) \
SER_ASSERT((len) <= (maxlen), NRF_ERROR_INVALID_LENGTH)
/** Returns with \ref NRF_ERROR_INVALID_LENGTH if actual_len is not equal to expected_len. */
#define SER_ASSERT_LENGTH_EQ(actual_len, expected_len) \
SER_ASSERT((actual_len) == (expected_len), NRF_ERROR_INVALID_LENGTH)
/** Returns with \ref NRF_ERROR_NULL if pointer is null. */
#define SER_ASSERT_NOT_NULL(ptr) SER_ASSERT((ptr) != NULL, NRF_ERROR_NULL)
#else
#define SER_ASSERT(expr, error_code)
#define SER_ASSERT_VOID_RETURN(expr)
#define SER_ASSERT_LENGTH_LEQ(len, maxlen) UNUSED_VARIABLE(maxlen)
#define SER_ASSERT_LENGTH_EQ(actual_len, expected_len)
#define SER_ASSERT_NOT_NULL(ptr)
#endif
#if defined(BLE_GATT_MTU_SIZE_DEFAULT) && !defined(GATT_MTU_SIZE_DEFAULT)
#define GATT_MTU_SIZE_DEFAULT BLE_GATT_MTU_SIZE_DEFAULT
#endif
/** See Bluetooth 4.0 spec: 3.4.4.7. */
#define BLE_GATTC_HANDLE_COUNT_LEN_MAX ((GATT_MTU_SIZE_DEFAULT - 1) / 2)
/** Subtract 1 from X if X is greater than 0. */
#define SUB1(X) (((X)>0) ? ((X)-1) : (X))
static inline void static_force_impl_castable_p_void(void const * const p) {}
/** Force the argument to be a double pointer. */
#define STATIC_FORCE_PP(PP) static_force_impl_castable_p_void(*(PP))
/** Field decoder for special structures containing variable length data. */
typedef uint32_t (*field_ext_decoder_handler_t)(uint8_t const * const p_buf,
uint32_t buf_len,
uint32_t * const p_index,
uint32_t * const p_ext_length,
void * p_field);
/** Push uint8_t field into the output packet. */
#define SER_PUSH_uint8(P_VAR) do { \
err_code = uint8_t_enc((P_VAR), p_buf, buf_len, p_index); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Push uint16_t field into the output packet. */
#define SER_PUSH_uint16(P_VAR) do { \
err_code = uint16_t_enc((P_VAR), p_buf, buf_len, p_index); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Push uint32_t field into the output packet. */
#define SER_PUSH_uint32(P_VAR) do { \
err_code = uint32_t_enc((P_VAR), p_buf, buf_len, p_index); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Push int8_t field into the output packet. */
#define SER_PUSH_int8(P_VAR) SER_PUSH_uint8(P_VAR)
/** Push uint16_t field into the output packet. */
#define SER_PUSH_int16(P_VAR) SER_PUSH_uint16(P_VAR)
/** Push uint32_t field into the output packet. */
#define SER_PUSH_int32(P_VAR) SER_PUSH_uint32(P_VAR)
/** Push a constant length array of bytes into the output packet. */
#define SER_PUSH_uint8array(P_DATA, LEN) do { \
err_code = uint8_vector_enc((P_DATA), (LEN), p_buf, buf_len, p_index); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Push a variable length (8-bit) array of bytes into the output packet. */
#define SER_PUSH_len8data(P_DATA, LEN) do { \
err_code = len8data_enc((P_DATA), (LEN), p_buf, buf_len, p_index); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Push a variable length (16-bit) array of bytes into the output packet. */
#define SER_PUSH_len16data(P_DATA, LEN) do { \
err_code = len16data_enc((P_DATA), (LEN), p_buf, buf_len, p_index); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Push a variable length (16-bit) array of 16-bit words into the output packet. */
#define SER_PUSH_len16data16(P_DATA, LEN) do { \
err_code = count16_cond_data16_enc((P_DATA), (LEN), p_buf, buf_len, p_index); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Push a buffer into the output packet. */
#define SER_PUSH_buf(P_DATA, LEN) do { \
err_code = buf_enc((P_DATA), (LEN), p_buf, buf_len, p_index); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Push a structure into the output packet. */
#define SER_PUSH_FIELD(P_VAR, P_ENCODER) do { \
err_code = field_enc((P_VAR), p_buf, buf_len, p_index, (P_ENCODER)); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Push an array of structures into the output packet. */
#define SER_PUSH_FIELD_ARRAY(P_ARRAY, P_ENCODER, COUNT) do { \
for (uint32_t _idx = 0; _idx < (COUNT); ++_idx) \
{ \
SER_PUSH_FIELD(&((P_ARRAY)[_idx]),P_ENCODER);\
} \
} while (0)
/** Conditionally push a field if the specified pointer is not null. */
#define SER_PUSH_COND(P_VAR, P_ENCODER) do { \
err_code = cond_field_enc((P_VAR), p_buf, buf_len, p_index, (P_ENCODER)); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Pull a uint8_t field from the input packet. */
#define SER_PULL_uint8(P_VAR) do { \
err_code = uint8_t_dec(p_buf, packet_len, p_index, (P_VAR)); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Pull a uint16_t field from the input packet. */
#define SER_PULL_uint16(P_VAR) do { \
err_code = uint16_t_dec(p_buf, packet_len, p_index, (P_VAR)); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Pull a uint32_t field from the input packet. */
#define SER_PULL_uint32(P_VAR) do { \
err_code = uint32_t_dec(p_buf, packet_len, p_index, (P_VAR)); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Pull an int8_t field from the input packet. */
#define SER_PULL_int8(P_VAR) SER_PULL_uint8(P_VAR)
/** Pull an int16_t field from the input packet. */
#define SER_PULL_int16(P_VAR) SER_PULL_uint16(P_VAR)
/** Pull an int32_t field from the input packet. */
#define SER_PULL_int32(P_VAR) SER_PULL_uint32(P_VAR)
/** Pull a constant length byte array from the input packet. */
#define SER_PULL_uint8array(P_DATA, LEN) do { \
err_code = uint8_vector_dec(p_buf, packet_len, p_index, (P_DATA), (LEN)); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Pull a variable length (8-bit) byte array from the input packet. */
#define SER_PULL_len8data(PP_DATA, LEN) do { \
STATIC_FORCE_PP(PP_DATA); \
err_code = len8data_dec(p_buf, packet_len, p_index, (PP_DATA), (LEN)); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Pull a variable length (16-bit) byte array from the input packet. */
#define SER_PULL_len16data(PP_DATA, P_LEN) do { \
STATIC_FORCE_PP(PP_DATA); \
err_code = len16data_dec(p_buf, packet_len, p_index, (PP_DATA), (P_LEN)); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Pull a variable length (16-bit) word (16-bit) array from the input packet. */
#define SER_PULL_len16data16(PP_DATA, P_LEN) do { \
STATIC_FORCE_PP(PP_DATA); \
err_code = count16_cond_data16_dec(p_buf, packet_len, p_index, (PP_DATA), (P_LEN)); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Pull a buffer from the input packet. */
#define SER_PULL_buf(PP_DATA, OUT_BUF_LEN, LEN) do { \
STATIC_FORCE_PP(PP_DATA); \
err_code = buf_dec(p_buf, packet_len, p_index, (PP_DATA), (OUT_BUF_LEN), (LEN)); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Pull a structure from the input packet. */
#define SER_PULL_FIELD(P_VAR, P_DECODER) do { \
err_code = field_dec(p_buf, packet_len, p_index, (P_VAR), (P_DECODER)); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Pull an array of structures from the input packet. */
#define SER_PULL_FIELD_ARRAY(P_ARRAY, P_DECODER, COUNT) do { \
for (uint32_t _idx = 0; _idx < (COUNT); ++_idx) \
{ \
SER_PULL_FIELD(&((P_ARRAY)[_idx]),P_DECODER); \
} \
} while (0)
/** Conditionally pull a structure from the input packet. */
#define SER_PULL_COND(PP_VAR, P_DECODER) do { \
STATIC_FORCE_PP(PP_VAR); \
err_code = cond_field_dec(p_buf, packet_len, p_index, (void * *)(PP_VAR), (P_DECODER)); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
} while (0)
/** Start the encoding of a structure and prepare local variables for the usage of SER_PUSH_ macros. */
#define SER_STRUCT_ENC_BEGIN(STRUCT_TYPE) \
SER_ASSERT_NOT_NULL(p_buf); \
SER_ASSERT_NOT_NULL(p_index); \
SER_ASSERT_NOT_NULL(p_void_struct); \
STRUCT_TYPE * p_struct = (STRUCT_TYPE *) p_void_struct; \
uint32_t err_code = NRF_SUCCESS
/** End the encoding of a structure. */
#define SER_STRUCT_ENC_END return err_code
/** Start the decoding of a structure and prepare local variables for the usage of SER_PULL_ macros. */
#define SER_STRUCT_DEC_BEGIN(STRUCT_TYPE) \
SER_ASSERT_NOT_NULL(p_buf); \
SER_ASSERT_NOT_NULL(p_index); \
SER_ASSERT_NOT_NULL(p_void_struct); \
STRUCT_TYPE * p_struct = (STRUCT_TYPE *) p_void_struct; \
uint32_t err_code = NRF_SUCCESS; \
uint32_t packet_len = buf_len
/** End the encoding of a structure. */
#define SER_STRUCT_DEC_END return err_code
/** Start the encoding of command request and prepare local variables for the usage of SER_PUSH_ macros. */
#define SER_REQ_ENC_BEGIN(OPCODE) \
SER_ASSERT_NOT_NULL(p_buf); \
SER_ASSERT_NOT_NULL(p_buf_len); \
\
uint32_t index = 0; \
uint32_t * const p_index = &index; \
uint32_t err_code = NRF_SUCCESS; \
uint32_t buf_len = *p_buf_len; \
\
uint8_t opcode = (OPCODE); \
SER_PUSH_uint8(&opcode)
/** End the encoding of command request. */
#define SER_REQ_ENC_END \
*p_buf_len = index; \
return NRF_SUCCESS \
/** Start the decoding of command response that does not contain any data except the result code. */
#define SER_RSP_DEC_RESULT_ONLY(OPCODE) \
return ser_ble_cmd_rsp_dec(p_buf, packet_len, (OPCODE), p_result_code)
/** Start the decoding of command response and prepare local variables for the usage of SER_PULL_ macros. */
#define SER_RSP_DEC_BEGIN(OPCODE) \
SER_ASSERT_NOT_NULL(p_buf); \
SER_ASSERT_NOT_NULL(p_result_code); \
uint32_t err_code = NRF_SUCCESS; \
uint32_t index = 0; \
uint32_t * const p_index = &index; \
/* Decode the result code and exit if decoding has failed or \
the decoded result is not NRF_SUCCESS. */ \
err_code = ser_ble_cmd_rsp_result_code_dec(p_buf, &index, packet_len, (OPCODE), p_result_code); \
\
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
if (*p_result_code != NRF_SUCCESS) \
{ \
SER_ASSERT_LENGTH_EQ(index, packet_len); \
return NRF_SUCCESS; \
}
/** End the decoding of command response. */
#define SER_RSP_DEC_END \
/* Require all data to be pulled. */ \
SER_ASSERT_LENGTH_EQ(index, packet_len); \
return err_code
/** Start the decoding of command request and prepare local variables for the usage of SER_PULL_ macros. */
#define SER_REQ_DEC_BEGIN(OPCODE) \
SER_ASSERT_NOT_NULL(p_buf); \
SER_ASSERT(packet_len>0, NRF_ERROR_INVALID_PARAM); \
uint32_t index = 0; \
uint32_t * const p_index = &index; \
uint32_t err_code = NRF_SUCCESS; \
SER_ASSERT(p_buf[index] == (OPCODE), NRF_ERROR_INVALID_PARAM); \
(void)err_code; \
(void)p_index; \
++index
/** End the decoding of command request. */
#define SER_REQ_DEC_END \
SER_ASSERT_LENGTH_EQ(index, packet_len); \
return NRF_SUCCESS
/** Start the encoding of command response and prepare local variables for the usage of SER_PUSH_ macros. */
#define SER_RSP_ENC_BEGIN(OPCODE) \
SER_ASSERT_NOT_NULL(p_buf); \
SER_ASSERT_NOT_NULL(p_buf_len); \
uint32_t index = 0; \
uint32_t * const p_index = &index; \
uint32_t err_code = NRF_SUCCESS; \
uint32_t buf_len = *p_buf_len; \
/* Push the opcode + result and exit if result \
is not NRF_SUCCESS. */ \
uint8_t opcode = (OPCODE); \
SER_PUSH_uint8(&opcode); \
SER_PUSH_uint32(&return_code); \
\
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
if (return_code != NRF_SUCCESS) \
{ \
SER_RSP_ENC_END; \
}
/** Start the encoding of command response that contains the result code only. */
#define SER_RSP_ENC_RESULT_ONLY(OPCODE) \
return ser_ble_cmd_rsp_status_code_enc((OPCODE), return_code, p_buf, p_buf_len)
/** End the encoding of command response. */
#define SER_RSP_ENC_END \
*p_buf_len = index; \
return NRF_SUCCESS
/** Start the encoding of an event and prepare local variables for the usage of SER_PUSH_ macros. */
#define SER_EVT_ENC_BEGIN(EVT_HEADER) \
SER_ASSERT_NOT_NULL(p_event); \
SER_ASSERT_NOT_NULL(p_buf); \
SER_ASSERT_NOT_NULL(p_buf_len); \
SER_ASSERT(p_event->header.evt_id == (EVT_HEADER), NRF_ERROR_INVALID_PARAM); \
uint32_t index = 0; \
uint32_t * p_index = &index; \
uint32_t buf_len = *p_buf_len; \
uint32_t err_code = NRF_SUCCESS; \
uint16_t evt_header = (EVT_HEADER); \
/* Push event header. */ \
SER_PUSH_uint16(&evt_header)
/** End the encoding of an event. */
#define SER_EVT_ENC_END \
*p_buf_len = index; \
return err_code
/** Start the decoding of an event that has an event-specific data structure
and prepare local variables for the usage of SER_PULL_ macros. */
#define SER_EVT_DEC_BEGIN(EVT_CODE, EVT_GROUP, EVT_NAME) \
uint32_t err_code = NRF_SUCCESS; \
uint32_t index = 0; \
uint32_t * p_index = &index; \
SER_ASSERT_NOT_NULL(p_buf); \
SER_ASSERT_NOT_NULL(p_event_len); \
/* Calculate the base event structure length */ \
/* and make sure that there is enough free space */ \
/* in the output buffer. */ \
uint32_t evt_struct_len = \
offsetof(ble_evt_t, evt.EVT_GROUP##_evt.params) \
- offsetof(ble_evt_t, evt) \
+ sizeof(ble_##EVT_GROUP##_evt_##EVT_NAME##_t); \
SER_ASSERT_LENGTH_LEQ(evt_struct_len, *p_event_len); \
*p_event_len -= evt_struct_len; \
/* Some structures contains variable length arrays */ \
/* and the overall size may be greater. */ \
uint32_t evt_extended_len = 0; \
(void) evt_extended_len; \
p_event->header.evt_id = EVT_CODE
/** Start the decoding of an event that has no event-specific data structure.
and prepare local variables for the usage of SER_PULL_ macros. */
#define SER_EVT_DEC_BEGIN_NO_STRUCT(EVT_CODE, EVT_GROUP) \
uint32_t err_code = NRF_SUCCESS; \
uint32_t index = 0; \
uint32_t * p_index = &index; \
SER_ASSERT_NOT_NULL(p_buf); \
SER_ASSERT_NOT_NULL(p_event_len); \
/* Calculate the base event structure length */ \
/* and make sure that there is enough free space */ \
/* in the output buffer. */ \
uint32_t evt_struct_len = \
offsetof(ble_evt_t, evt.EVT_GROUP##_evt.params) \
- offsetof(ble_evt_t, evt) ; \
SER_ASSERT_LENGTH_LEQ(evt_struct_len, *p_event_len); \
*p_event_len -= evt_struct_len; \
/* Some structures contain variable length arrays */ \
/* and the overall size may be greater. */ \
uint32_t evt_extended_len = 0; \
(void) evt_extended_len; \
p_event->header.evt_id = EVT_CODE
/** End the decoding of an event. */
#define SER_EVT_DEC_END \
SER_ASSERT_LENGTH_EQ(index, packet_len); \
/*p_event_len = index; */ \
/*p_event->header.evt_len = index; */ \
*p_event_len = evt_struct_len + evt_extended_len; \
return NRF_SUCCESS
/** Push an event-specific special field that contains variable length fields and get the extended data size. */
#define SER_PULL_FIELD_EXTENDED(P_VAR, P_DECODER) \
do \
{ \
uint32_t field_ext_len = *p_event_len; \
err_code = field_ext_dec(p_buf, packet_len, p_index, &field_ext_len, (P_VAR), (P_DECODER)); \
SER_ASSERT(err_code == NRF_SUCCESS, err_code); \
*p_event_len -= field_ext_len; \
evt_extended_len += field_ext_len; \
} while (0) \
/** Generic command response status code encoder. */
uint32_t ser_ble_cmd_rsp_status_code_enc(uint8_t op_code,
uint32_t command_status,
uint8_t * const p_buf,
uint32_t * const p_buf_len);
/** Generic command response result code decoder. */
uint32_t ser_ble_cmd_rsp_result_code_dec(uint8_t const * const p_buf,
uint32_t * const p_pos,
uint32_t packet_len,
uint8_t op_code,
uint32_t * const p_result_code);
/** Generic command response decoder. */
uint32_t ser_ble_cmd_rsp_dec(uint8_t const * const p_buf,
uint32_t packet_len,
uint8_t op_code,
uint32_t * const p_result_code);
/**@brief Function for safe field encoding field.
*
* @param[in] p_field Pointer to the input struct. Must not be a null.
* @param[in] p_buf Pointer to the beginning of the output buffer.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to start of uint8 value in buffer.
* \c out: Index in the buffer to the first byte after the encoded data.
* @param[in] fp_field_encoder Pointer to the function that implements fields encoding.
*
* @return NRF_SUCCESS Field encoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
* @retval NRF_ERROR_NULL p_field or fp_field_encoder is NULL.
*/
static inline uint32_t field_enc(void const * const p_field,
uint8_t * const p_buf,
uint32_t buf_len,
uint32_t * const p_index,
field_encoder_handler_t fp_field_encoder)
{
SER_ASSERT_NOT_NULL(fp_field_encoder);
SER_ASSERT_NOT_NULL(p_field);
return fp_field_encoder(p_field, p_buf, buf_len, p_index);
}
/**@brief Function for safe field decoding.
*
* Function checks if conditional field is present in the input buffer and if it is set, it calls
* the provided parser function that attempts to parse the buffer content to the known field.
*
* @param[in] p_buf Pointer to the beginning of the input buffer.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to the start of uint8 value in buffer.
* \c out: Index in the buffer to the first byte after the decoded data.
* @param[in] p_field Pointer to the output location.
* @param[in] fp_field_decoder Pointer to the function that implements field decoding.
*
* @return NRF_SUCCESS Field decoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
* @retval NRF_ERROR_NULL p_field or fp_field_decoder is NULL.
*/
static inline uint32_t field_dec(uint8_t const * const p_buf,
uint32_t buf_len,
uint32_t * const p_index,
void * const p_field,
field_decoder_handler_t fp_field_decoder)
{
SER_ASSERT_NOT_NULL(fp_field_decoder);
SER_ASSERT_NOT_NULL(p_field);
return fp_field_decoder(p_buf, buf_len, p_index, p_field);
}
/**@brief Function for safe decoding of an event-specific field that contains extended data.
*
* Some event structures contain a variable length array (extended data),
* that may be written next to the event structure.
*
* @param[in] p_buf Pointer to the beginning of the input buffer.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to the start of uint8 value in the buffer.
* \c out: Index in the buffer to the first byte after the decoded data.
* @param[in,out] p_ext_length \c in: Maximum size of extended data.
* \c out: Extended data length in bytes.
* @param[in] p_field Pointer to output location.
* @param[in] fp_field_decoder Pointer to the function that implements field decoding.
*
* @return NRF_SUCCESS Field decoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
* @retval NRF_ERROR_NULL p_field or fp_field_decoder is NULL.
*/
static inline uint32_t field_ext_dec(uint8_t const * const p_buf,
uint32_t buf_len,
uint32_t * const p_index,
uint32_t * const p_ext_length,
void * const p_field,
field_ext_decoder_handler_t fp_field_decoder)
{
SER_ASSERT_NOT_NULL(fp_field_decoder);
SER_ASSERT_NOT_NULL(p_field);
return fp_field_decoder(p_buf, buf_len, p_index, p_ext_length, p_field);
}
/**@brief Function for safe encoding an uint16 value.
*
* Safe decoding of a uint16 value. Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
*
* @param[in] p_field A uint16 value to be encoded.
* @param[out] p_buf Buffer containing the value.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to the start of the uint16 value in the buffer.
* \c out: Index in the buffer to the first byte after the decoded value.
*
* @return NRF_SUCCESS Fields decoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
*/
uint32_t uint16_t_enc(const void * const p_field,
uint8_t * const p_buf,
uint32_t buf_len,
uint32_t * const p_index);
/**@brief Function for safe decoding of a uint16 value.
*
* Safe decoding of a uint16 value. Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
*
* @param[in] p_buf Buffer containing the value.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to the start of the uint16 value in the buffer.
* \c out: Index in the buffer to the first byte after the decoded value.
* @param[out] p_field Pointer to the location where the uint16 value will be decoded.
*/
uint32_t uint16_t_dec(uint8_t const * const p_buf,
uint32_t buf_len,
uint32_t * const p_index,
void * p_field);
/**@brief Function for safe decoding of a uint16 value.
*
* Safe decoding of a uint16 value. Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
*
* @param[in] p_buf Buffer containing the value.
* @param[in] buf_len Size of the buffer.
* @param[in,out] index \c in: Index to the start of the uint16 value in buffer.
* \c out: Index in the buffer to the first byte after the decoded value.
* @param[out] value Decoded uint16 value.
*/
void uint16_dec(uint8_t const * const p_buf,
uint32_t packet_len,
uint32_t * const index,
uint16_t * const value);
/**@brief Function for safe encoding of a uint18 value.
*
* Safe decoding of a uint8 value. Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
*
* @param[in] p_buf Buffer containing the value.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to the start of the uint8 value in the buffer.
* \c out: Index in the buffer to the first byte after the decoded value.
* @param[out] p_field Pointer to uint8 value to be encoded.
*
* @return NRF_SUCCESS Fields decoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
*/
uint32_t uint8_t_enc(const void * const p_field,
uint8_t * const p_buf,
uint32_t buf_len,
uint32_t * const p_index);
/**@brief Function for safe decoding of a uint8 value.
*
* Safe decoding of a uint8 value. Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
*
* @param[in] p_buf Buffer containing the value.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to the start of the uint8 value in buffer.
* \c out: Index in the buffer to the first byte after the decoded value.
* @param[out] p_field Pointer to the location for decoded uint8 value.
*
* @return NRF_SUCCESS Fields decoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
*/
uint32_t uint8_t_dec(uint8_t const * const p_buf,
uint32_t buf_len,
uint32_t * const p_index,
void * p_field);
/**@brief Function for safe decoding of a uint8 value.
*
* Safe decoding of a uint8 value. Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
*
* @param[in] p_buf Buffer containing the value.
* @param[in] buf_len Size of the buffer.
* @param[in,out] index \c in: Index to the start of the uint8 value in the buffer.
* \c out: Index in the buffer to the first byte after the decoded value.
* @param[out] value Decoded uint8 value.
*/
void uint8_dec(uint8_t const * const p_buf,
uint32_t packet_len,
uint32_t * const index,
uint8_t * const value);
/**@brief Function for safe decoding of a uint18 value.
*
* Safe decoding of a uint8 value. Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
*
* @param[in] p_buf Buffer containing the value.
* @param[in] buf_len Size of the buffer.
* @param[in,out] index \c in: Index to the start of the uint8 value in the buffer.
* \c out: Index in the buffer to the first byte after the decoded value.
* @param[out] value Decoded uint8 value.
*/
void int8_dec(uint8_t const * const p_buf,
uint32_t packet_len,
uint32_t * const index,
int8_t * const value);
/**@brief Function for safe encoding of a variable length field encoded as length(8bit) + data.
*
* Safe encoding of a variable length field. Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
*
* @param[out] p_data Pointer to data to encode.
* @param[in] dlen Length of data to encode (0-255).
* @param[out] p_buf Buffer containing the value.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to the start of the uint8 value in the buffer.
* \c out: Index in the buffer to the first byte after the decoded value.
*
* @return NRF_SUCCESS Fields decoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
*/
uint32_t len8data_enc(uint8_t const * const p_data,
uint8_t const dlen,
uint8_t * const p_buf,
uint32_t buf_len,
uint32_t * const p_index);
/**@brief Function for safe decoding of a variable length field encoded as length(8bit) + data.
*
* Safe decoding of a variable length field. Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
*
* @param[in] p_buf Buffer containing the value.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to the start of the uint8 value in the buffer.
* \c out: Index in the buffer to the first byte after the decoded value.
* @param[out] pp_data Pointer to decoded data (p_data is set to NULL in
* case data is not present in the buffer).
* @param[out] p_len Decoded length (0-255).
*
* @return NRF_SUCCESS Fields decoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
*/
uint32_t len8data_dec(uint8_t const * const p_buf,
uint32_t buf_len,
uint32_t * const p_index,
uint8_t * * const pp_data,
uint8_t * const p_len);
/**@brief Function for safe encoding of a variable length field encoded as length(16 bit) + data.
*
* Safe encoding of a variable length field. Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
* It is possible that provided p_data is NULL. In that case, length is encoded and it is followed by
* SER_FIELD_NOT_PRESENT flag. Otherwise, the SER_FIELD_PRESENT flag precedes the data.
*
* @param[in] p_data Data to encode.
* @param[in] dlen Input data length (16 bit).
* @param[in] p_buf Pointer to the beginning of the output buffer.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to the start of the uint8 value in the buffer.
* \c out: Index in the buffer to the first byte after the encoded data.
*
* @return NRF_SUCCESS Fields decoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
*/
uint32_t len16data_enc(uint8_t const * const p_data,
uint16_t const dlen,
uint8_t * const p_buf,
uint32_t buf_len,
uint32_t * const p_index);
/**@brief Function for safe decoding of a variable length field encoded as length(16 bit) + data.
*
* Safe decoding of a variable length field. Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
* Encoded data consists of a length field, a presence flag, and conditional data (present only if the presence flag
* is set). The p_data pointer cannot be NULL if the presence flag is set.
*
* @param[in] p_buf Pointer to the beginning of the input buffer.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to the start of the uint8 value in the buffer.
* \c out: Index in the buffer to the first byte after the decoded data.
* @param[in] pp_data Pointer to decoded data.
* @param[in] p_dlen Data length (16 bit).
*
* @return NRF_SUCCESS Fields decoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
*/
uint32_t len16data_dec(uint8_t const * const p_buf,
uint32_t buf_len,
uint32_t * const p_index,
uint8_t * * const pp_data,
uint16_t * const p_dlen);
/**@brief Function for safe encoding of a uint16 table with a given element count.
*
* Safe encoding of a variable length field. Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
* It is possible that the provided p_data is NULL. In that case, length is encoded and it is followed by a
* SER_FIELD_NOT_PRESENT flag. Otherwise, the SER_FIELD_PRESENT flag precedes the data.
*
* @param[in] p_data Data table to encode.
* @param[in] count Table element count.
* @param[in] p_buf Pointer to the beginning of the output buffer.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to the start of the uint8 value in the buffer.
* \c out: Index in the buffer to the first byte after the encoded data.
*
* @return NRF_SUCCESS Fields decoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
*/
uint32_t count16_cond_data16_enc(uint16_t const * const p_data,
uint16_t const count,
uint8_t * const p_buf,
uint32_t buf_len,
uint32_t * const p_index);
/**@brief Function for safe decoding of a uint16 table with a given element count.
*
* Safe encoding of a variable length field. Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
* It is possible that the provided p_data is NULL. In that case, length is encoded and it is followed by a
* SER_FIELD_NOT_PRESENT flag. Otherwise, the SER_FIELD_PRESENT flag precedes the data.
*
* @param[in] p_buf Pointer to the beginning of the output buffer.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to the start of the uint8 value in the buffer.
* \c out: Index in the buffer to the first byte after the encoded data.
* @param[in] pp_data Pointer to the table to encode.
* @param[in,out] p_count Pointer to table element count - initialised with max count.
*
* @return NRF_SUCCESS Fields decoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
* @retval NRF_ERROR_DATA_SIZE Decoding failure. Initial count is smaller than actual.
*/
uint32_t count16_cond_data16_dec(uint8_t const * const p_buf,
uint32_t buf_len,
uint32_t * const p_index,
uint16_t * * const pp_data,
uint16_t * const p_count);
/**@brief Function for safe decoding of a variable length field encoded as length(16 bit) + data.
*
* Safe decoding of a variable length field. Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
* Encoded data consists of a presence flag, an optional length field, a second presence flag, and optional data.
*
*
* @param[in] p_buf Pointer to the beginning of the input buffer.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to the start of the uint8 value in the buffer.
* \c out: Index in the buffer to the first byte after the decoded data.
* @param[out] pp_data Pointer to decoded data.
* @param[out] pp_len Data length (16 bit).
*
* @return NRF_SUCCESS Fields decoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
*/
uint32_t cond_len16_cond_data_dec(uint8_t const * const p_buf,
uint32_t buf_len,
uint32_t * const p_index,
uint8_t * * const pp_data,
uint16_t * * const pp_len);
/**@brief Command response encoder - replacement of ser_ble_cmd_rsp_status_code_enc
* with layout aligned to the rest of encoder functions.
*
* @param[in] op_code Operation code - see BLE_GAP_SVCS.
* @param[in] return_code nRF error code.
* @param[in] p_buff Pointer to the start of pointer to decoded data.
* @param[in,out] p_buff_len \c in: Size of the buffer.
* \c out: Used bytes in the buffer.
* @param[in,out] p_buff_len \c in: Initial offset in the buffer.
* \c out: Final offset in the buffer.
*
* @return NRF_SUCCESS Fields decoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
* @retval NRF_ERROR_NULL Invalid pointer.
*/
uint32_t op_status_enc(uint8_t op_code,
uint32_t return_code,
uint8_t * const p_buff,
uint32_t * const p_buff_len,
uint32_t * const p_index);
/**@brief Command response encoder with a conditional 16-bit field.
*
* @param[in] op_code Operation code - see BLE_GAP_SVCS.
* @param[in] return_code nRF error code.
* @param[in] value Optional 16-bit field encoded for return code == NRF_SUCCESS.
* @param[in] p_buff Pointer to the start of pointer to decoded data.
* @param[in,out] p_buff_len \c in: Size of the buffer.
* \c out: Used bytes in the buffer.
* @param[in,out] p_buff_len \c in: Initial offset in the buffer.
* \c out: Final offset in the buffer.
*
* @return NRF_SUCCESS Fields decoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
* @retval NRF_ERROR_NULL Invalid pointer.
*/
uint32_t op_status_cond_uint16_enc(uint8_t op_code,
uint32_t return_code,
uint16_t value,
uint8_t * const p_buff,
uint32_t * const p_buff_len,
uint32_t * const p_index);
/**@brief Function for safe encoding of a buffer of known size.
*
* Safe encoding of a buffer. Encoder assumes that the size is known to the decoder and it is not
* encoded here. Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
*
* @param[in] p_data Data to encode.
* @param[in] dlen Input data length (16 bit).
* @param[in] p_buf Pointer to the beginning of the output buffer.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to the start of the uint8 value in the buffer.
* \c out: Index in the buffer to the first byte after the encoded data.
*
* @return NRF_SUCCESS Fields decoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
*/
uint32_t buf_enc(uint8_t const * const p_data,
uint16_t const dlen,
uint8_t * const p_buf,
uint32_t buf_len,
uint32_t * const p_index);
/**@brief Function for safe decoding of a buffer of known size.
*
* Safe decoding of a buffer of known size. Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
* Encoded data consists of a presence flag and conditional data (present only if the presence flag
* is set). The p_data pointer cannot be NULL only if the presence flag is set. Length is provided
* as input to the function.
*
* @param[in] p_buf Pointer to the beginning of the input buffer.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to the start of the uint8 value in the buffer.
* \c out: Index in the buffer to the first byte after the decoded data.
* @param[in] pp_data Pointer to decoded data.
* @param[in] data_len Length of the buffer for decoded data (16 bit).
* @param[in] dlen Length of the data to decode (16 bit).
*
* @return NRF_SUCCESS Fields decoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
*/
uint32_t buf_dec(uint8_t const * const p_buf,
uint32_t buf_len,
uint32_t * const p_index,
uint8_t * * const pp_data,
uint16_t data_len,
uint16_t dlen);
/**@brief Function for safe encoding of a uint32 value.
*
* Safe decoding of a uint32 value. Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
*
* @param[in] p_field A uint32 value to be encoded.
* @param[out] p_buf Buffer containing the value.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to the start of the uint32 value in the buffer.
* \c out: Index in the buffer to the first byte after the decoded value.
*
* @return NRF_SUCCESS Fields decoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
*/
uint32_t uint32_t_enc(void const * const p_field,
uint8_t * const p_buf,
uint32_t buf_len,
uint32_t * const p_index);
/**@brief Function for safe decoding of a uint32 value.
*
* Safe decoding of a uint32 value. Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
*
* @param[in] p_buf Buffer containing the value.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to the start of the uint32 value in the buffer.
* \c out: Index in the buffer to the first byte after the decoded value.
* @param[out] value Decoded uint32 value.
*/
uint32_t uint32_t_dec(uint8_t const * const p_buf,
uint32_t buf_len,
uint32_t * const p_index,
void * p_field);
/**@brief Function for safe encoding of a uint8 vector.
*
* Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
* *
* @param[in] p_data Data to encode.
* @param[in] dlen Input data length (16 bit).
* @param[in] p_buf Pointer to the beginning of the output buffer.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to the start of the uint8 value in the buffer.
* \c out: Index in the buffer to the first byte after the encoded data.
*
* @return NRF_SUCCESS Fields decoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
*/
uint32_t uint8_vector_enc(uint8_t const * const p_data,
uint16_t const dlen,
uint8_t * const p_buf,
uint32_t buf_len,
uint32_t * const p_index);
/**@brief Function for safe decoding a uint8 vector.
*
* Safe decoding of a buffer of known size. Range checks will be done if @ref SER_ASSERTS_ENABLED is set.
* Vector length is provided as input to the function.
*
* @param[in] p_buf Pointer to the beginning of the input buffer.
* @param[in] buf_len Size of the buffer.
* @param[in,out] p_index \c in: Index to the start of the uint8 value in the buffer.
* \c out: Index in the buffer to the first byte after the decoded data.
* @param[in] p_data Pointer to decoded data.
* @param[in] dlen Length of data to decode (16 bit).
*
* @return NRF_SUCCESS Fields decoded successfully.
* @retval NRF_ERROR_INVALID_LENGTH Decoding failure. Incorrect buffer length.
*/
uint32_t uint8_vector_dec(uint8_t const * const p_buf,
uint32_t buf_len,
uint32_t * const p_index,
uint8_t * const p_data,
uint16_t dlen);
#ifdef __cplusplus
}
#endif
#endif