ota_mqtt_interface.h File Reference

Contains OTA MQTT Statuses, function type definitions and mqtt interface structure. More...

#include <stddef.h>
#include <stdint.h>

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Data Structures
struct	OtaMqttInterface_t
	OTA Event Interface structure. More...

Typedefs
typedef OtaMqttStatus_t(*	OtaMqttSubscribe_t) (const char *pTopicFilter, uint16_t topicFilterLength, uint8_t ucQoS)
	Subscribe to the Mqtt topics.
typedef OtaMqttStatus_t(*	OtaMqttUnsubscribe_t) (const char *pTopicFilter, uint16_t topicFilterLength, uint8_t ucQoS)
	Unsubscribe to the Mqtt topics.
typedef OtaMqttStatus_t(*	OtaMqttPublish_t) (const char *const pacTopic, uint16_t usTopicLen, const char *pcMsg, uint32_t ulMsgSize, uint8_t ucQoS)
	Publish message to a topic.

Enumerations
enum	OtaMqttStatus_t { OtaMqttSuccess = 0 , OtaMqttPublishFailed = 0xa0 , OtaMqttSubscribeFailed , OtaMqttUnsubscribeFailed }
	The OTA MQTT interface return status. More...

Detailed Description

Contains OTA MQTT Statuses, function type definitions and mqtt interface structure.

Typedef Documentation

OtaMqttSubscribe_t

typedef OtaMqttStatus_t(* OtaMqttSubscribe_t) (const char *pTopicFilter, uint16_t topicFilterLength, uint8_t ucQoS)

Subscribe to the Mqtt topics.

This function subscribes to the Mqtt topics with the Quality of service received as parameter. This function also registers a callback for the topicfilter.

Parameters

[pTopicFilter]	Mqtt topic filter.
[topicFilterLength]	Length of the topic filter.
[ucQoS]	Quality of Service

Returns

OtaMqttSuccess if success , other error code on failure.

OtaMqttUnsubscribe_t

typedef OtaMqttStatus_t(* OtaMqttUnsubscribe_t) (const char *pTopicFilter, uint16_t topicFilterLength, uint8_t ucQoS)

Unsubscribe to the Mqtt topics.

This function unsubscribes to the Mqtt topics with the Quality of service received as parameter.

Parameters

[pTopicFilter]	Mqtt topic filter.
[topicFilterLength]	Length of the topic filter.
[ucQoS]	Quality of Service

Returns

OtaMqttSuccess if success , other error code on failure.

OtaMqttPublish_t

typedef OtaMqttStatus_t(* OtaMqttPublish_t) (const char *const pacTopic, uint16_t usTopicLen, const char *pcMsg, uint32_t ulMsgSize, uint8_t ucQoS)

Publish message to a topic.

This function publishes a message to a given topic & QoS.

Parameters

[pacTopic]	Mqtt topic filter.
[usTopicLen]	Length of the topic filter.
[pcMsg]	Message to publish.
[ulMsgSize]	Message size.
[ucQoS]	Quality of Service

Returns

OtaMqttSuccess if success , other error code on failure.