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 for the component source code: FC_Comp_Source_WLAN_ESP32.fcfx
Detailed description
No detailed description exists yet for this component
Examples
No additional examples
Downloadable macro reference
|
ReadIPString |
| Collects the local IP address and returns it as an ASCII string. e.g. "192.168.0.1" | |
 - STRING
|
Return |
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SocketConnect |
| - STRING
|
Address |
 - UINT
|
Port |
 - BYTE
|
Return |
|
|
SocketListen |
| Listen on, or bind, local port to already opened socket. Returns 1 if OK, 0 if fail | |
| - UINT
|
Port |
| - BYTE
|
Return |
|
|
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 |
|
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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 |
|
|
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 |
|
|
SocketWrite |
| - STRING
|
Buffer |
| - UINT
|
Size |
| - UINT
|
Return |
|
|
Disconnect |
| Attempts to disconnect from the SSID. | |
| - BYTE
|
Return |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
SocketOpen |
| Returns 1 if socket sucessfully opened | |
| - BYTE
|
Return |
|
|
SocketClose |
 - VOID
|
Return |
|
|
Uninitialise |
| Shuts down the WiFi system for low power operation. Returns 1 if successful Returns 0 if not | |
| - BYTE
|
Return |
|
|
AcceptOpen |
| Returns 1 if there is an incoming connection on the listening port | |
| - BYTE
|
Return |
|
|
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 |
|
|
SocketRead |
| - STRING
|
Buffer |
| - UINT
|
Size |
| - UINT
|
Return |
|
|
AcceptClose |
| Close the socket associated with the Accepted incoming connection | |
| - VOID
|
Return |
|
|
Initialise |
| Initialise the WiFi system 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. | |
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Console Data |
| Generate Console Data | |