Component: SerialPort ( Comms): Difference between revisions

Latest revision as of 14:37, 13 July 2026

Author	MatrixTSL
Version	0.1
Category	Comms

SerialPort component

Allows connection to a serial port e.g. a standard serial COM port from the browser.

Detailed description

No detailed description exists yet for this component

Examples

Simple Data

Example program showing how to use communicate to a standard serial COM port.

Web Serial Port Example

Macro reference

Close

	Close
Closes the serial port
- VOID	Return

GetProductId

	GetProductId
Returns the productId of the selected USB COM port
- LONG	Return

GetVendorId

	GetVendorId
Returns the vendortId of the selected USB COM port
- LONG	Return

Open

	Open
Attempts to open a serial port that has already been selected using RequestPort Returns true if port is successfully opened
- BOOL	Return

ReceiveString

	ReceiveString
Receives a string from the serial port
- LONG	Timeout
Time (in ms) to wait for data
- LONG	NumChars
Number of characters to try to receive
- STRING	Return

RequestPort

	RequestPort
Asks the user which serial port to use. Returns the selected COM port as a hex string in the form 0xVVVVPPPP where VVVV and PPPP are the vendorID and productID of the USB device.
- STRING	Return

SendString

	SendString
Sends a text string through an open serial port
- STRING	sText

- VOID	Return

Property reference

	Properties
	Comms Settings
	Baud Rate
The baud rate for the serial communication
	Custom Baud
A custom baud rate that is not limited to those in the drop-down list (must be a positive integer greater than 0)
	Data Bits
Data bits per frame (default = 8)
	Stop Bits
Number of stop bits at the end of a frame (default = 1)
	Parity
The parity mode for serial communication (default = none)
	Buffer Size
Size of the read and write buffers used (default = 255) (must be an integer greater than 0)
	Flow Control
The flow control mode for communication (default = none)
	Filters
Limits the list of available COM ports to specific USB devices, for example: { usbVendorId: 0x2A03, usbProductId: 0x0043 }, { usbVendorId: 0x2341, usbProductId: 0x0043 }, { usbVendorId: 0x2341, usbProductId: 0x0001 } (leave blank for all COM ports)

Component Source Code

Please click here to download the component source project: FC_Comp_Source_WEBEXP_SerialPort.fcsx

Please click here to view the component source code (Beta): FC_Comp_Source_WEBEXP_SerialPort.fcsx

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-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Close'''
+| width="90%" class="mtx-class-macrohead" | '''Close'''
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 | colspan="2" | Closes the serial port&nbsp;
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-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetProductId'''
+| width="90%" class="mtx-class-macrohead" | '''GetProductId'''
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 | colspan="2" | Returns the productId of the selected USB COM port&nbsp;
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-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''GetVendorId'''
+| width="90%" class="mtx-class-macrohead" | '''GetVendorId'''
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 | colspan="2" | Returns the vendortId of the selected USB COM port&nbsp;
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-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Open'''
+| width="90%" class="mtx-class-macrohead" | '''Open'''
 |-
 | colspan="2" | Attempts to open a serial port that has already been selected using RequestPort  Returns true if port is successfully opened&nbsp;
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-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReceiveString'''
+| width="90%" class="mtx-class-macrohead" | '''ReceiveString'''
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 | colspan="2" | Receives a string from the serial port&nbsp;
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-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RequestPort'''
+| width="90%" class="mtx-class-macrohead" | '''RequestPort'''
 |-
 | colspan="2" | Asks the user which serial port to use.  Returns the selected COM port as a hex string in  the form 0xVVVVPPPP where VVVV and PPPP are the vendorID and productID of the USB device.&nbsp;
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-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SendString'''
+| width="90%" class="mtx-class-macrohead" | '''SendString'''
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 | colspan="2" | Sends a text string through an open serial port&nbsp;
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-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''
+| width="90%" class="mtx-class-macrohead" | '''Properties'''
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-| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
+| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
-| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Comms Settings
+| width="90%" class="mtx-class-propfolder" | Comms Settings
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