aws_iot.h

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/*
 * Copyright (c) 2022 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
 
#ifndef AWS_IOT_H__
#define AWS_IOT_H__
 
#include <stdio.h>
#include <zephyr/net/mqtt.h>
#include <dfu/dfu_target.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
enum aws_iot_shadow_topic_received_type {
        AWS_IOT_SHADOW_TOPIC_APPLICATION_SPECIFIC,
 
        AWS_IOT_SHADOW_TOPIC_GET_ACCEPTED,
 
        AWS_IOT_SHADOW_TOPIC_GET_REJECTED,
 
        AWS_IOT_SHADOW_TOPIC_UPDATE_DELTA,
 
        AWS_IOT_SHADOW_TOPIC_UPDATE_ACCEPTED,
 
        AWS_IOT_SHADOW_TOPIC_UPDATE_REJECTED,
 
        AWS_IOT_SHADOW_TOPIC_DELETE_ACCEPTED,
 
        AWS_IOT_SHADOW_TOPIC_DELETE_REJECTED
};
 
enum aws_iot_shadow_topic_type {
        AWS_IOT_SHADOW_TOPIC_NONE,
 
        AWS_IOT_SHADOW_TOPIC_GET,
 
        AWS_IOT_SHADOW_TOPIC_UPDATE,
 
        AWS_IOT_SHADOW_TOPIC_DELETE
};
 
enum aws_iot_evt_type {
        AWS_IOT_EVT_CONNECTING = 0x1,
 
        AWS_IOT_EVT_CONNECTED,
 
        AWS_IOT_EVT_DISCONNECTED,
 
        AWS_IOT_EVT_DATA_RECEIVED,
 
        AWS_IOT_EVT_PUBACK,
 
        AWS_IOT_EVT_PINGRESP,
 
        AWS_IOT_EVT_FOTA_START,
 
        AWS_IOT_EVT_FOTA_DONE,
 
        AWS_IOT_EVT_FOTA_ERASE_PENDING,
 
        AWS_IOT_EVT_FOTA_ERASE_DONE,
 
        AWS_IOT_EVT_FOTA_DL_PROGRESS,
 
        AWS_IOT_EVT_FOTA_ERROR,
 
        AWS_IOT_EVT_ERROR
};
 
struct aws_iot_topic_data {
 
        union {
                enum aws_iot_shadow_topic_type type;
 
                enum aws_iot_shadow_topic_received_type type_received;
        };
 
        const char *str;
 
        size_t len;
};
 
struct aws_iot_data {
        struct aws_iot_topic_data topic;
 
        char *ptr;
 
        size_t len;
 
        enum mqtt_qos qos;
 
        uint16_t message_id;
 
        uint8_t dup_flag;
 
        uint8_t retain_flag;
};
 
struct aws_iot_evt {
        enum aws_iot_evt_type type;
        union {
                struct aws_iot_data msg;
 
                int err;
 
                int fota_progress;
 
                bool persistent_session;
 
                uint16_t message_id;
 
                enum dfu_target_image_type image;
        } data;
};
 
typedef void (*aws_iot_evt_handler_t)(const struct aws_iot_evt *evt);
 
struct aws_iot_config {
        char *client_id;
 
        char *host_name;
};
 
int aws_iot_init(aws_iot_evt_handler_t event_handler);
 
int aws_iot_connect(const struct aws_iot_config *const config);
 
int aws_iot_disconnect(void);
 
int aws_iot_send(const struct aws_iot_data *const tx_data);
 
int aws_iot_application_topics_set(const struct mqtt_topic *const list, size_t count);
 
#ifdef __cplusplus
}
#endif
 
#endif /* AWS_IOT_H__ */