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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.
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.


==Detailed description==
==Component Source Code==


Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_IoTMadeEasy.fcfx FC_Comp_Source_IoTMadeEasy.fcfx]


Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_IoTMadeEasy.fcfx FC_Comp_Source_IoTMadeEasy.fcfx]


''No detailed description exists yet for this component''
==Detailed description==


==Examples==








''<span style="color:red;">No additional examples</span>''




==Downloadable macro reference==


{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ErrorAsString'''
|-
| colspan="2" | &nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Error
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-string-icon.png]] - STRING
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''PublishString'''
|-
| colspan="2" | Publishes data to the selected topic ID using a data string. Returns none zero if successful&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | TopicID
|-
| colspan="2" | The topic ID to publish data to&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="90%" | Data
|-
| colspan="2" | Data string to publish&nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetTopicID'''
|-
| colspan="2" | Compares the topic ID of the last received message with enabled IDs. Returns the topic ID received.&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Connect'''
|-
| colspan="2" | Connect to the MQTT Server. Returns the connected state. 0 if not connected, 1 if successful connection, or already connected. &nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetPayloadInteger'''
|-
| colspan="2" | Get the Payload of the last received (Read) packet as a signed long value&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:]] -
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''LastError'''
|-
| colspan="2" | Returns the last error&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Read'''
|-
| colspan="2" | Read incoming data. Returns non-zero if packet received. Use GetTopicID and GetPayloadXXX to read the contents.&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Disconnect'''
|-
| colspan="2" | Disconnects from the MQTT server and the network&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''PublishFloat'''
|-
| colspan="2" | Publishes data to the selected topic ID using a floating point value. Returns none zero if successful&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | TopicID
|-
| colspan="2" | The topic ID to publish data to&nbsp;
|-
| width="10%" align="center" | [[File:]] -
| width="90%" | Data
|-
| colspan="2" | Data to publish&nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}


''No detailed description exists yet for this component''


{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
==Examples==
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Ping'''
|-
| colspan="2" | 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 &nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''PublishInteger'''
|-
| colspan="2" | Publishes data to the selected topic ID using a signed long integer value. Returns none zero if successful&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | TopicID
|-
| colspan="2" | The topic ID to publish data to&nbsp;
|-
| width="10%" align="center" | [[File:]] -
| width="90%" | Data
|-
| colspan="2" | Data to publish&nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetPayloadFloat'''
|-
| colspan="2" | Get the Payload of the last received (Read) packet as a floating point value&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:]] -
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetPayloadString'''
|-
| colspan="2" | Get the Payload of the last received (Read) packet as a string value&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="90%" | Payload
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Size
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise'''
|-
| colspan="2" | Starts up the MQTT component - call this after initialising the NetworkComms component.&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise'''
|-
| colspan="2" | Sets up the GSM module. Returns 0 for OK, 255 for no reply and 254 for command fail.&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Left'''
|-
| colspan="2" | Rotates the robot left - waits for the angle to be traversed before returning&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | Angle
|-
| colspan="2" | Angle to turn in degrees&nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadIR'''
|-
| colspan="2" | Reads an IR sensor 0=Left, 1=FrontLeft, 2=Front, 3=FrontRight, 4=Right, 5=RearRight,  6=Rear, 7=RearLeft&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | index
|-
| colspan="2" | 0=Left, 1=FrontLeft, 2=Front, 3=FrontRight, 4=Right, 5=RearRight, 6=Rear, 7=RearLeft&nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''LCDDrawPixel'''
|-
| colspan="2" | Allows a single pixel on the LCD to be set or cleared&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | X
|-
| colspan="2" | X Pixel 0-127&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Y
|-
| colspan="2" | Y Pixel 0-31&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | State
|-
| colspan="2" | 0=White (Off), 1=Black (On)&nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ServoSetPosition'''
|-
| colspan="2" | Allows one of the servo positions to be assigned&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Channel
|-
| colspan="2" | Range 0-3&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Position
|-
| colspan="2" | Range 0-255&nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''CardBitmap'''
|-
| colspan="2" | Displays a monochrome bitmap read from the card on the LCD&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | X
|-
| colspan="2" | Range 0-127&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Y
|-
| colspan="2" | Range 0-31&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="90%" | Filename
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''CardRecordMic'''
|-
| colspan="2" | Records an audio stream on the card from the microphone&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | BitDepth
|-
| colspan="2" | 0=8-bit, 1=16-bit&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | SampleRate
|-
| colspan="2" | Sample Rate 0=8KHz, 1=16KHz&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | RecordTime
|-
| colspan="2" | Time to record for in seconds, Range 0-65535&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="90%" | Filename
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''CardOpen'''
|-
| colspan="2" | Attempts to open an existing file on the SD card 255=Error, 1=File not found, 0=Open OK&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="90%" | Filename
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
''<span style="color:red;">No additional examples</span>''
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Forwards'''
|-
| colspan="2" | Drives the robot forwards - waits for the distance to be traversed before returning&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | Distance
|-
| colspan="2" | Distance in mm&nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadBearing'''
|-
| colspan="2" | Reads the compass bearing based on the degrees clockwise from magnetic north.&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:]] -
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetConsoleHandle'''
|-
| colspan="2" | Gets the handle to the console allowing data displaying on the panel etc.&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:]] -
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}


{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''LCDDrawLine'''
|-
| colspan="2" | Allows a single pixel width line to be drawn on the LCD&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | X1
|-
| colspan="2" | X Pixel 0-127&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Y1
|-
| colspan="2" | Y Pixel 0-31&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | X2
|-
| colspan="2" | X Pixel 0-127&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Y2
|-
| colspan="2" | Y Pixel 0-31&nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ServoAutoMoveToPosition'''
|-
| colspan="2" | Allows one of the servo positions to move gradually to a new position&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Channel
|-
| colspan="2" | Range 0-3&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Position
|-
| colspan="2" | Range 0-255&nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadAllValue'''
|-
| colspan="2" | Reads a single value stored from the read all command Index dictates which sensor value to read&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Index
|-
| colspan="2" | 0=SW, 1-8=IR, 9-10=Line, 11=Light, 12=Mic, 13-15=Accel&nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''LCDBacklight'''
|-
| colspan="2" | Allows the LCD backlight brighntess to be adjusted&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Intensity
|-
| colspan="2" | Range 0-100, 0=Off, 1=Min Brightness, 100=Max Brightness&nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}


==Macro reference==


{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===Connect===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''LCDDrawRect'''
| width="90%" class="mtx-class-macrohead" | '''Connect'''
|-
|-
| colspan="2" | Allows a rectangle to be drawn on the LCD&nbsp;
| colspan="2" | Connect to the MQTT Server. Returns the connected state. 0 if not connected, 1 if successful connection, or already connected. &nbsp;
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | X1
|-
| colspan="2" | X Pixel 0-127&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Y1
|-
| colspan="2" | Y Pixel 0-31&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | X2
|-
| colspan="2" | X Pixel 0-127&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Y2
|-
| colspan="2" | Y Pixel 0-31&nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===Disconnect===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadLine'''
| width="90%" class="mtx-class-macrohead" | '''Disconnect'''
|-
|-
| colspan="2" | Reads one of the IR line sensors 0-1 0=Left, 1=Right&nbsp;
| colspan="2" | Disconnects from the MQTT server and the network&nbsp;
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | index
|-
| colspan="2" | 0=Left, 1=Right&nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===ErrorAsString===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ServoDisable'''
| width="90%" class="mtx-class-macrohead" | '''ErrorAsString'''
|-
|-
| colspan="2" | Allows one of the servo outputs 0-3 to be disabled&nbsp;
| colspan="2" | &nbsp;
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Channel
| width="90%" | Error
|-
|-
| colspan="2" | Range 0-3&nbsp;
| colspan="2" | &nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-string-icon.png]] - STRING
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===GetPayloadFloat===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ServoEnable'''
| width="90%" class="mtx-class-macrohead" | '''GetPayloadFloat'''
|-
| colspan="2" | Allows one of the servo outputs 0-3 to be enabled&nbsp;
|-
|-
| colspan="2" | Get the Payload of the last received (Read) packet as a floating point value&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Channel
|-
|-
| colspan="2" | Range 0-3&nbsp;
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-f32-icon.png]] - FLOAT
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===GetPayloadInteger===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''CardReadByte'''
| width="90%" class="mtx-class-macrohead" | '''GetPayloadInteger'''
|-
|-
| colspan="2" | Reads a byte from the currently open file. Starts at the beginning of the file and auto increments to the end&nbsp;
| colspan="2" | Get the Payload of the last received (Read) packet as a signed long value&nbsp;
|-
|-
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-s32-icon.png]] - LONG
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===GetPayloadString===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''CardErase'''
| width="90%" class="mtx-class-macrohead" | '''GetPayloadString'''
|-
|-
| colspan="2" | Attempts to delete an existing file on the SD card 255=Error, 1=File not found, 0=Delete OK&nbsp;
| colspan="2" | Get the Payload of the last received (Read) packet as a string value&nbsp;
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="90%" | Filename
| width="90%" | Payload
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | &nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''CardWriteByte'''
|-
| colspan="2" | Appends a byte to the end of the currently open file &nbsp;
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Data
| width="90%" | Size
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | &nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===GetTopicID===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''EncoderRead'''
| width="90%" class="mtx-class-macrohead" | '''GetTopicID'''
|-
|-
| colspan="2" | Reads one of the motor encoder counters. Approx 0.328296mm of travel per encoder unit.&nbsp;
| colspan="2" | Compares the topic ID of the last received message with enabled IDs. Returns the topic ID received.&nbsp;
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | index
|-
| colspan="2" | 0=Left, 1=Right&nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===Initialise===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetMotors'''
| width="90%" class="mtx-class-macrohead" | '''Initialise'''
|-
|-
| colspan="2" | Sets the motor speeds without feedback Range -100 to 100&nbsp;
| colspan="2" | Starts up the MQTT component - call this after initialising the NetworkComms component.&nbsp;
|-
|-
|-
| width="10%" align="center" | [[File:]] -
| width="90%" | Left
|-
| colspan="2" | Range -100 to 100&nbsp;
|-
| width="10%" align="center" | [[File:]] -
| width="90%" | Right
|-
| colspan="2" | Range -100 to 100&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
Line 750: Line 218:




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===LastError===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Backwards'''
| width="90%" class="mtx-class-macrohead" | '''LastError'''
|-
|-
| colspan="2" | Drives the robot backwards - waits for the distance to be traversed before returning&nbsp;
| colspan="2" | Returns the last error&nbsp;
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Distance
|-
| colspan="2" | Distance in mm&nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===Ping===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''EncoderReset'''
| width="90%" class="mtx-class-macrohead" | '''Ping'''
|-
|-
| colspan="2" | Resets the motor encoder counters&nbsp;
| colspan="2" | 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 &nbsp;
|-
|-
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===PublishFloat===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''LCDVerbose'''
| width="90%" class="mtx-class-macrohead" | '''PublishFloat'''
|-
|-
| colspan="2" | Allows the LCD to automatically report the API commands as they get processed. Default - verbose on&nbsp;
| colspan="2" | Publishes data to the selected topic ID using a floating point value. Returns none zero if successful&nbsp;
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | State
| width="90%" | TopicID
|-
| colspan="2" | The topic ID to publish data to&nbsp;
|-
|-
| colspan="2" | 0=Off 1=On&nbsp;
| width="10%" align="center" | [[File:Fc9-f32-icon.png]] - FLOAT
| width="90%" | Data
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| colspan="2" | Data to publish&nbsp;
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===PublishInteger===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetProp'''
| width="90%" class="mtx-class-macrohead" | '''PublishInteger'''
|-
|-
| colspan="2" | Allows the COM port property to be set from a parent component.&nbsp;
| colspan="2" | Publishes data to the selected topic ID using a signed long integer value. Returns none zero if successful&nbsp;
|-
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | PropName
| width="90%" | TopicID
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | The topic ID to publish data to&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-u32-icon.png]] - ULONG
| width="10%" align="center" | [[File:Fc9-s32-icon.png]] - LONG
| width="90%" | PropVal
| width="90%" | Data
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | Data to publish&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===PublishString===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''CardInit'''
| width="90%" class="mtx-class-macrohead" | '''PublishString'''
|-
|-
| colspan="2" | Attempts to startup the SD card  255=No Card, 254=Init Fail, 0=Init OK&nbsp;
| colspan="2" | Publishes data to the selected topic ID using a data string. Returns none zero if successful&nbsp;
|-
|-
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" | TopicID
|}
 
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetProp'''
|-
| colspan="2" | Allows the property filter for the COM port list to be copied to a parent component.&nbsp;
|-
|-
| colspan="2" | The topic ID to publish data to&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="90%" | PropName
| width="90%" | Data
|-
|-
| colspan="2" | &nbsp;
| colspan="2" | Data string to publish&nbsp;
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-string-icon.png]] - STRING
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
===Read===
{| class="mtx-class-macrotable wikitable"
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''LCDClear'''
| width="90%" class="mtx-class-macrohead" | '''Read'''
|-
|-
| colspan="2" | Clears the LCD&nbsp;
| colspan="2" | Read incoming data. Returns non-zero if packet received. Use GetTopicID and GetPayloadXXX to read the contents.&nbsp;
|-
|-
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" style="border-top: 2px solid #000;" | ''Return''
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}
|}




==Property reference==
==Property reference==


{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
{| class="mtx-class-macrotable wikitable"
|-
| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-prop-icon.png]]
| width="90%" class="mtx-class-macrohead" | '''Properties'''
|-
|-
| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
| width="90%" class="mtx-class-propfolder" | MQTT Properties
|-
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''
| width="90%" | LinkTo
|-
|-
| colspan="2" | &nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
Line 905: Line 378:
|-
|-
| colspan="2" | 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.&nbsp;
| colspan="2" | 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.&nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-17-icon.png]]
| width="90%" | Network Component
|-
| colspan="2" | Pointer to the network communications component providing TCP simulation and abstraction for embedded TCP modules.&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
Line 915: Line 383:
|-
|-
| colspan="2" | Selects if the broker is open or if the broker requires a username and password.&nbsp;
| colspan="2" | Selects if the broker is open or if the broker requires a username and password.&nbsp;
|-
| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
| width="90%" class="mtx-class-propfolder" | Topics
|-
|-
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
Line 921: Line 393:
| colspan="2" | Sets the number of data topics that can be sent or received&nbsp;
| colspan="2" | Sets the number of data topics that can be sent or received&nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
| width="90%" | Topic String
| width="90%" class="mtx-class-propfolder" | Topic ID: 0
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Topic Type
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
| width="90%" | Topic String
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Topic Type
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
| width="90%" | Topic String
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Topic Type
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
| width="90%" | Topic String
|-
| colspan="2" | &nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Topic Type
|-
| colspan="2" | &nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
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| colspan="2" | &nbsp;
| colspan="2" | &nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
| width="90%" | Topic String
| width="90%" class="mtx-class-propfolder" | Topic ID: 1
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Topic Type
|-
|-
| colspan="2" | &nbsp;
|-
|-
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
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|-
|-
| colspan="2" | &nbsp;
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
| width="90%" | Topic String
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Topic Type
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
| width="90%" | Topic String
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Topic Type
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
| width="90%" | Topic String
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Topic Type
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
| width="90%" | Topic String
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Topic Type
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
| width="90%" | Topic String
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Topic Type
|-
| colspan="2" | &nbsp;
|-
| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Connections'''
|-
|-
| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Simulations'''
|-
|}
|}

Latest revision as of 14:37, 13 July 2026

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 to download the component source project: FC_Comp_Source_IoTMadeEasy.fcfx

Please click here to view the component source code (Beta): FC_Comp_Source_IoTMadeEasy.fcfx

Detailed description

No detailed description exists yet for this component

Examples

No additional examples







Macro reference

Connect

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


Disconnect

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


ErrorAsString

ErrorAsString
 
- BYTE Error
 
- STRING Return


GetPayloadFloat

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


GetPayloadInteger

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


GetPayloadString

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


GetTopicID

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


Initialise

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


LastError

LastError
Returns the last error 
- BYTE Return


Ping

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


PublishFloat

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


PublishInteger

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


PublishString

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


Read

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