Component: Network Communications (Comms: Networking): Difference between revisions
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''AcceptClose''' | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''AcceptClose''' | ||
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''AcceptOpen''' | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''AcceptOpen''' | ||
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Connect''' | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Connect''' | ||
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise''' | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise''' | ||
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Listen''' | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Listen''' | ||
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Receive''' | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Receive''' | ||
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Send''' | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Send''' | ||
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SocketClose''' | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SocketClose''' | ||
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| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SocketOpen''' | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SocketOpen''' | ||
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Revision as of 14:17, 13 July 2026
| Author | Matrix TSL |
| Version | 1.5 |
| Category | Comms: Networking |
Network Communications component
A component designed to simplify the process of TCP/IP communications. Compatible with most of the Flowcode supported TCP/IP and WIFI components. A useful building block for creating components such as IoT and Modbus TCP.
Detailed description
No detailed description exists yet for this component
Examples
No additional examples
Macro reference
AcceptClose
|
AcceptClose |
| Goes with the AcceptOpen function to close the new thread handle. | |
 - VOID
|
Return |
AcceptOpen
|
|
AcceptOpen |
| Required for systems where there can be multiple incoming threads Returns 1 if there is incoming comms requiring a new thread, else returns 0 | |
 - BYTE
|
Return |
Connect
|
|
Connect |
| Connects to an IP address as a client on the specified port. Some TCP/IP modules (RPI and ESP8266) will accept a URL instead of an IP address. Returns: 0=Fail, 1=OK | |
 - STRING
|
Address |
| IP address as a string e.g. "192.168.1.1" or URL on some TCP/IP modules | |
 - UINT
|
Port |
| Port number to connect to. | |
 - BOOL
|
Return |
Initialise
|
|
Initialise |
| Initialises the network communications component. | |
| - VOID
|
Return |
Listen
|
|
Listen |
| Bind the socket to a port on the local host and set to listen mode. First Open a Socket on the local host Returns: 0=Fail, 1=OK | |
| - UINT
|
Port |
| Port number to listen on. | |
| - BOOL
|
Return |
Receive
|
|
Receive |
| Attempts to receive up to a specified number of bytes from the active connection. Returns the number of bytes received. | |
| - STRING
|
Data |
| Data Array to store the data into. | |
| - UINT
|
Count |
| Maximum number of bytes to read | |
| - UINT
|
Timeout |
| Maximum time to wait in mS (approx) | |
| - UINT
|
Return |
Send
|
|
Send |
| Sends the specified number of bytes via the active connection. Returns the number of bytes sent, 0=Fail. | |
| - STRING
|
Data |
| Array containing the data to send | |
| - UINT
|
Count |
| Number of bytes to send from the data array | |
| - UINT
|
Return |
SocketClose
|
|
SocketClose |
| Closes the current socket connection | |
| - VOID
|
Return |
SocketOpen
|
|
SocketOpen |
| Attempts to create a socket on the local device. This must be succesful to allow TCP/IP communications with a remote destination. Returns: 0=Fail / 1=OK | |
| - BOOL
|
Return |
Property reference
|
Properties |
|
LinkTo |
|
|
TCP IP Channel |
| Allows for several parallel TCP/IP communications channels to be active at once by selecting unique TCP IP channels for each Network Comms component. Default 0. | |
|
Status |
|
Simulation |
|
|
Simulation Control |
| Allows the user to decide what happens when simulating. Simulation DLL forces all simulated TCP/IP comms to go directly via the simulation DLL bypassing any additional components. Component simulation forces the attached component to provide the simulation and maybe other aspects such as SPI/I2C communications. | |
|
|
Network Interface |
| Some computers may have several network interfaces such as ethernet ports and wifi access. Select the correct network interface for the network you wish to connect to. Use the IP address to confirm you are connected to the right network. | |
|
|
IP Address |
| IP Address of the selected network interface. | |
Component Source Code
Please click here to download the component source project: FC_Comp_Source_NetworkComms.fcfx
Please click here to view the component source code (Beta): FC_Comp_Source_NetworkComms.fcfx