protocol.h

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/*
 * Copyright (c) 2026 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
 
#ifndef DATA_FORWARDER_PROTOCOL_H_
#define DATA_FORWARDER_PROTOCOL_H_
 
#include "protocol_types.h"
 
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct proto_transport {
        int (*send)(const uint8_t *buf, size_t len, void *ctx);
        void *ctx;
        bool has_message_boundaries;
};
 
struct proto_session_config {
        uint16_t rate_hz;
        uint8_t channels;
        uint8_t sensor_type;
        const char *const *channel_names;
        const char *device_name;
};
 
int proto_init(const struct proto_transport *transport);
 
int proto_start_session(const struct proto_session_config *cfg);
 
int proto_stop_session(void);
 
uint32_t proto_get_session_id(void);
 
int proto_send_samples(const proto_value_t *values, uint8_t count);
 
#ifdef __cplusplus
}
#endif
 
#endif /* DATA_FORWARDER_PROTOCOL_H_ */