Wifi Scan

WiFi Scan Application

Overview

This is a NetBurner WiFi scanning and management application that provides an interactive command-line interface for WiFi operations on embedded systems. The application demonstrates how to use the NetBurner WiFi driver to scan for access points, connect/disconnect from networks, and monitor connection status.

Features

• WiFi Network Scanning: Scan for available WiFi access points and display their details
• Connection Management: Connect to and disconnect from WiFi networks
• Network Status Monitoring: Display detailed WiFi and Ethernet interface information
• Security Information: Show security protocols (Open, WEP, WPA, WPA2, WPS) and cipher types
• Interactive Menu System: Serial command interface for real-time WiFi management
• System Diagnostics: Built-in diagnostic capabilities and system reset functions

Application Structure

Core Components

• main.cpp: Primary application file containing the WiFi management logic
• ReadMe.txt: Brief description indicating this is a WiFi scanning example

Key Functions

Network Scanning

• DoSyncScan(): Performs synchronous WiFi network scan and displays results
• WifiInitScanAndShow_SPI(): Initialize WiFi interface and perform initial scan

Status Display

• DisplayWifiStatus(): Shows comprehensive WiFi connection and interface information
• DisplaySecurity(): Converts security type codes to readable labels
• DisplayCipher(): Converts cipher type codes to readable labels
• DisplayWifiConfigRecordParameters(): Shows configured SSID and passphrase

Connection Management

• Connect/disconnect functionality through the NetBurner WiFi driver
• Interface number tracking and object management

Command Interface

The application provides an interactive serial menu with the following commands:

Command	Function
C	Connect to WiFi network
D	Disconnect from current WiFi network
S	Perform WiFi network scan
W	Display WiFi status and configuration
X	Reset WiFi module
Z	System reboot

Technical Details

Dependencies

• NetBurner HAL (Hardware Abstraction Layer)
• NetBurner WiFi driver libraries
• DSPI (Serial Peripheral Interface) support
• Standard C/C++ libraries

WiFi Security Support

• Open networks
• WEP encryption
• WPA/WPA2 security protocols
• WPS (WiFi Protected Setup)
• TKIP and AES cipher support

Network Information Displayed

• Interface Details: IP address, subnet mask, gateway, DNS servers
• MAC Addresses: Both Ethernet and WiFi interface MAC addresses
• WiFi Specific: SSID, BSSID, signal strength (RSSI), channel, security type
• Device Information: Hardware and firmware revision numbers

Usage

1. Initialization: The application automatically initializes the network stack and performs an initial WiFi scan on startup
2. Web Server: Starts an HTTP server on port 80 for additional functionality
3. Interactive Control: Use the serial interface to send commands for WiFi management
4. Network Waiting: Waits up to 5 seconds for DHCP address assignment

Configuration

The application reads WiFi configuration from stored settings including:

• Target SSID (network name)
• Passphrase/password
• Security settings

Error Handling

• Interface initialization validation
• Connection status verification
• Retry limit monitoring
• Graceful failure reporting

Notes

• The application is designed for development and testing purposes
• System diagnostics are enabled (should be disabled for production)
• Supports both Ethernet and WiFi interfaces simultaneously
• Uses C++ with NetBurner-specific namespaces and libraries