Component: IoT Made Easy (Comms: IoT/Cloud)

Author	Matrix TSL
Version	1.0
Category	Comms: IoT/Cloud

IoT Made Easy component

A component designed to simplify MQTT comms allowing for multiple data streams to be dealt with in a simple manner. Deals with translating values to and from the broker from topic strings into message IDs and numeric values. Works with lots of different MQTT brokers.

Component Source Code

Please click here for the component source code: FC_Comp_Source_IoTMadeEasy.fcfx

Detailed description

No detailed description exists yet for this component

Examples

No additional examples

Downloadable macro reference

	ErrorAsString
- BYTE	Error
- STRING	Return

	PublishString
Publishes data to the selected topic ID using a data string. Returns none zero if successful
- BYTE	TopicID
The topic ID to publish data to
- STRING	Data
Data string to publish
- BYTE	Return

	GetTopicID
Compares the topic ID of the last received message with enabled IDs. Returns the topic ID received.
- BYTE	Return

	Connect
Connect to the MQTT Server. Returns the connected state. 0 if not connected, 1 if successful connection, or already connected.
- BYTE	Return

	GetPayloadInteger
Get the Payload of the last received (Read) packet as a signed long value
- LONG	Return

	LastError
Returns the last error
- BYTE	Return

	Read
Read incoming data. Returns non-zero if packet received. Use GetTopicID and GetPayloadXXX to read the contents.
- UINT	Return

	Disconnect
Disconnects from the MQTT server and the network
- BYTE	Return

	PublishFloat
Publishes data to the selected topic ID using a floating point value. Returns none zero if successful
- BYTE	TopicID
The topic ID to publish data to
- FLOAT	Data
Data to publish
- BYTE	Return

	Ping
Ping packet is sent to the server and checks for a reply. If nothing is sent or received within the keep alive period then a ping is required to keep the connection to the server active. Returns non-zero value if successful
- BYTE	Return

	PublishInteger
Publishes data to the selected topic ID using a signed long integer value. Returns none zero if successful
- BYTE	TopicID
The topic ID to publish data to
- LONG	Data
Data to publish
- BYTE	Return

	GetPayloadFloat
Get the Payload of the last received (Read) packet as a floating point value
- FLOAT	Return

	GetPayloadString
Get the Payload of the last received (Read) packet as a string value
- STRING	Payload
- BYTE	Size
- BYTE	Return

	Initialise
Starts up the MQTT component - call this after initialising the NetworkComms component.
- VOID	Return

Property reference

	Properties
	MQTT Properties
	LinkTo
	Host
Address of MQTT Broker Can be an IP Address or URL (URL only supported by some hardware platforms)
	Port
Port used by MQTT Broker Default 1883 for unencrypted access and 8883 for encrypted access.
	Client identifier
Client identifier (Maximum length 20 characters) Must be unique to the broker.
	Network Timeout
Maximum time in mS to wait for network responses
	Read Timeout
Time to wait in ms when waiting for incoming messages
	Keep Alive
The Keep Alive is the maximum time interval that is permitted to elapse between the point at which the Client finishes transmitting one Control Packet and the point it starts sending the next, measured in seconds.
	Authentication
Selects if the broker is open or if the broker requires a username and password.
	Topics
	Number of topics
Sets the number of data topics that can be sent or received
	Topic ID: 0
	Topic String
	Topic Type
	Topic ID: 1
	Topic String
	Topic Type