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 * Copyright (c) 2015 - 2018, Nordic Semiconductor ASA
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 *    Semiconductor ASA integrated circuit in a product or a software update for
 *    such product, must reproduce the above copyright notice, this list of
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 *    materials provided with the distribution.
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 * 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.
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/**@file lwm2m_objects_tlv.h
 *
 * @defgroup iot_sdk_ipso_objects_tlv IPSO Smart Object TLV encoder and decoder API
 * @ingroup iot_sdk_lwm2m
 * @{
 * @brief IPSO Smart Object TLV encoder and decoder API.
 */

#ifndef IPSO_OBJECTS_TLV_H__
#define IPSO_OBJECTS_TLV_H__

#include <stdint.h>
#include "ipso_objects.h"

#ifdef __cplusplus
extern "C" {
#endif

/**@brief Decode an IPSO digital output object from a TLV byte buffer.
 *
 * @note    Resource values NOT found in the tlv will not be altered.
 *
 * @warning lwm2m_string_t and lwm2m_opaque_t values will point to the byte buffer and needs
 *          to be copied by the application before the byte buffer is freed.
 *
 * @param[out] p_digital_output Pointer to a LWM2M server object to be filled by the decoded TLVs.
 * @param[in]  p_buffer         Pointer to the TLV byte buffer to be decoded.
 * @param[in]  buffer_len       Size of the buffer to be decoded.
 *
 * @retval NRF_SUCCESS If decoding was successfull.
 */
uint32_t ipso_tlv_ipso_digital_output_decode(ipso_digital_output_t * p_digital_output,
                                             uint8_t *               p_buffer,
                                             uint32_t                buffer_len);

/**@brief Encode an IPSO digital output object to a TLV byte buffer.
 *
 * @param[out]   p_buffer         Pointer to a byte buffer to be used to fill the encoded TLVs.
 * @param[inout] p_buffer_len     Value by reference inicating the size of the buffer provided.
 *                                Will return the number of used bytes on return.
 * @param[in]    p_digital_output Pointer to the IPSO digital output object to be encoded into TLVs.
 *
 * @retval NRF_SUCCESS If the encoded was successfull.
 */
uint32_t ipso_tlv_ipso_digital_output_encode(uint8_t *               p_buffer,
                                             uint32_t *              p_buffer_len,
                                             ipso_digital_output_t * p_digital_output);

#ifdef __cplusplus
}
#endif

#endif // IPSO_OBJECTS_TLV_H__

/** @} */