Table of Contents

• APManager
• Purpose
• Pre-Requisites
• Device Endpoints / Schema
  • GET
    • /deviceInfo
    • /scanInfo
  • POST
    • /connectWifi

APManager

Using the platformio IDE to create an APManager similar to the WifiManager

Purpose

Uses HTTP Requests to Webserver to configure the ESP8266 device.

This lets us embed the portal/configuration inside a custom application

Pre-Requisites

• cJSON
  • Used for parsing JSON objects that are received while configuring the device

NOTE: The APManager library will be present inside the lib folder. Can be copy pasted to the project of your choice.

Device Endpoints / Schema

GET

/deviceInfo

• Gets the device Mac address.
• Other unique device attributes can be returned here

{
    "macaddress":"$unique_mac_address"
}

/scanInfo

This request scans for access points near the device

NOTE: The scan can take 2000-3000ms. Configure your HTTP Clients appropriately

• Gets a JSON Object of the SSID and RSSI of WiFi points near the device

{
    "networks": [
        {
            "ssid" : "$ssid_1",
            "rssi" : "$rssi_1"
        },
        {
            "ssid" : "$ssid_2",
            "rssi" : "$rssi_2"
        },
        {
            ...
        }
    ]
}

POST

/connectWifi

Tries to establish connection to the device

{
    "ssid" : "$ssid",
    "password" : "$password"
}