Component: JSON Encoder (Comms: IoT/Cloud): Difference between revisions

Revision as of 14:15, 13 July 2026

Author	Matrix TSL
Version	1.0
Category	Comms: IoT/Cloud

JSON Encoder component

Allows dynamic key and value pairs to be created and assembled into a formatted JSON string.

Component Source Code

Please click here to download the component source project: FC_Comp_Source_JSONEncoder.fcfx

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

Detailed description

No detailed description exists yet for this component

Examples

Simple Data

Example program showing how to use a JSON encoder component to create a simple JSON encoded data string.

JSON Encoder Example

Simple Encode and Decode

Example program showing how to take data and encode it into a JSON string to be sent out over comms.

The example also hows how to decode a received JSON string and pull out values.

JSON_Demo

Macro reference

AssignDataAsFloat

	AssignDataAsFloat
Assigns a data value as a floating point value
- UINT	Element
Index of the element to assign the data to
- FLOAT	Data

- BYTE	NumDP
Number of decimal points
- VOID	Return

AssignDataAsNumber

	AssignDataAsNumber
Assigns a data value as a integer value
- UINT	Element
Index of the element to assign the data to
- LONG	Data

- VOID	Return

AssignDataAsString

	AssignDataAsString
Assigns a data value as a string
- UINT	Element
Index of the element to assign the data to
- STRING	Data

- VOID	Return

AssignName

	AssignName
Assigns a name value as a string. Call this macro first before assigning data to the element.
- UINT	Element
Index of the element to assign the data to
- STRING	Name

- VOID	Return

ClearAll

	ClearAll
Clears all the names and data values out of the buffer
- VOID	Return

GenerateJSON

	GenerateJSON
Generates a JSON data string with the current specified values.
- STRING	Return

Property reference

	Properties
	Data Bytes
Number of bytes used to store the entire data for the JSON message. Includes names and data values so make sure this is large enough to store everything you want to be able to put into a single JSON data string.

@@ Line 44: / Line 44: @@
 ===AssignDataAsFloat===
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
+{| class="mtx-class-macrotable wikitable"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
@@ Line 73: / Line 73: @@
 ===AssignDataAsNumber===
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
+{| class="mtx-class-macrotable wikitable"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
@@ Line 97: / Line 97: @@
 ===AssignDataAsString===
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
+{| class="mtx-class-macrotable wikitable"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
@@ Line 121: / Line 121: @@
 ===AssignName===
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
+{| class="mtx-class-macrotable wikitable"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
@@ Line 145: / Line 145: @@
 ===ClearAll===
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
+{| class="mtx-class-macrotable wikitable"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
@@ Line 159: / Line 159: @@
 ===GenerateJSON===
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
+{| class="mtx-class-macrotable wikitable"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
@@ Line 174: / Line 174: @@
 ==Property reference==
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
+{| class="mtx-class-macrotable wikitable"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]

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