Component: WLAN (ESP32) (Comms: Networking)

Author	Matrix Ltd.
Version	2.4
Category	Comms: Networking

WLAN (ESP32) component

Wireless LAN component designed to work with ESP32 modules

Component Source Code

Please click here to download the component source project: FC_Comp_Source_WLAN_ESP32.fcfx

Please click here to view the component source code (Beta): FC_Comp_Source_WLAN_ESP32.fcfx

Detailed description

No detailed description exists yet for this component

Examples

No additional examples

Macro reference

AcceptClose

	AcceptClose
Close the socket associated with the Accepted incoming connection
- VOID	Return

AcceptOpen

	AcceptOpen
Returns 1 if there is an incoming connection on the listening port
- BYTE	Return

ConnectToSSID

	ConnectToSSID
Attempts to connect to the given SSID and Key values. Returns 1 if the SSID has been connected.
- STRING	SSID
- STRING	Key
- BYTE	Timeout
Number of seconds to wait for the connection, default 20
- BYTE	Return

CreateAccessPoint

	CreateAccessPoint
Sets up the wireless LAN module into AP mode to host a wireless network. Other WIFI enabled devices can then connect to the module. Returns 1 for success.
- STRING	SSID
Name of the wireless network to create
- STRING	Password
Password used to gain access to the network
- BYTE	Channel
802.11 Channel Range 1-14
- BYTE	Encryption
0=Open, 1=WEP, 2=WPA_PSK, 3=WPA2_PSK, 4=WPA_WPA2_PSK
- BYTE	Return

Disconnect

	Disconnect
Attempts to disconnect from the SSID.
- BYTE	Return

Initialise

	Initialise
Initialise the WiFi system Returns 1 if successful Returns 0 if not
- BYTE	Return

ReadEncryptionModeFromScan

	ReadEncryptionModeFromScan
Collects one of the encryption modes from the last SSID Scan. The ScanForSSID macro must be called first. 0=Open, 1=WEP, 2=WPA_PSK, 3=WPA2_PSK, 4=WPA_WPA2_PSK
- BYTE	Index
SSID Index
- BYTE	Return

ReadIP

	ReadIP
Collects a single byte from the local IP address. For example 192.168.0.1 Index = 3 : Return = 192 / Index = 0 : Return = 1
- BYTE	Index
Range: 0 to 3 Where 3 = the first number and 0 = the last number
- BYTE	Return

ReadIPString

	ReadIPString
Collects the local IP address and returns it as an ASCII string. e.g. "192.168.0.1"
- STRING	Return

ReadSSIDFromScan

	ReadSSIDFromScan
Collects one of the SSID name strings from the last SSID Scan. The ScanForSSID macro must be called first.
- BYTE	Index
SSID Index
- STRING	Return

ReadSignalStrengthFromScan

	ReadSignalStrengthFromScan
Collects the signal strength from the last SSID Scan. The ScanForSSID macro must be called first. Value returned is in negative dB, smaller value = better signal
- BYTE	Index
SSID Index
- INT	Return

ScanForSSID

	ScanForSSID
Checks for wireless networks in the local area which are broadcasting their SSID. Must not be connected to a network to allow this to function. Returns the number of wireless networks found, max 8.
- BYTE	Return

SocketClose

	SocketClose
- VOID	Return

SocketConnect

	SocketConnect
- STRING	Address
- UINT	Port
- BYTE	Return

SocketListen

	SocketListen
Listen on, or bind, local port to already opened socket. Returns 1 if OK, 0 if fail
- UINT	Port
- BYTE	Return

SocketOpen

	SocketOpen
Returns 1 if socket sucessfully opened
- BYTE	Return

SocketRead

	SocketRead
- STRING	Buffer
- UINT	Size
- UINT	Return

SocketWrite

	SocketWrite
- STRING	Buffer
- UINT	Size
- UINT	Return

Uninitialise

	Uninitialise
Shuts down the WiFi system for low power operation. Returns 1 if successful Returns 0 if not
- BYTE	Return

Property reference

	Properties
	Verbose Debug
	Simulation
	Network Interface
List of network interfaces connected to the PC. Sets which interface we are communicating via.
	Console Data
Generate Console Data