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esp-idf/examples/wifi/wifi_easy_connect/dpp-enrollee/README.md
Nachiket Kukade 76b2cb28d2 Add DPP Enrollee example 
1. Add Example for DPP Enrollee
2. Use DPP Supplicant API's to setup connection
3. Add support for multiple channels in Bootstrapping
4. Add Unity testcase for testing Offchannel operations

Closes https://github.com/espressif/esp-idf/issues/5654
2021-01-25 13:26:33 +05:30

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Device Provisioning Protocol (Enrollee) Example

This example shows how to configure ESP32 as an enrollee using Device Provisioning Protocol(DPP) also known as Wi-Fi Easy Connect.

DPP provides a simple and secure way to onboard ESP32 to a network. We now support Responder-Enrollee mode of DPP with PSK mode of authentication.

You need a Wi-Fi Easy Connect with Initiator mode capable device to make use of this example. Some Android 10+ devices have this capability. (Vendor specific)

To run the example with an Android 10+ device follow below steps -

  1. Compile and flash the example on ESP32, a QR code will appear on your console.
  2. Connect your phone to the network, say named "Example-AP".
  3. Now go to Settings->WiFi & Internet->Wi-Fi->Example-AP->Advanced->Add Device.
  4. Scan QR Code using the scanner, which will make ESP32 connect to Example-AP.

Optional configuration available

Note:

  • QR Code should be displayed as dark on a white/light background to work properly.
  • If displayed QR Code had line gaps, try switching to a new font or a diiferent Terminal program. See below QR Code for for checking beforehand.

Example output

Here is an example of the console output.

I (807) wifi:mode : sta (24:0a:c4:23:da:20)
I (807) wifi dpp-enrollee: Started listening on Channel 11 for DPP Authentication
I (1157) wifi dpp-enrollee: Scan below QR Code to configure the enrollee:


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I (6357) wifi dpp-enrollee: DPP Authentication successful, connecting to AP : DigitalFortress
I (6477) wifi:new:<1,0>, old:<1,0>, ap:<255,255>, sta:<1,0>, prof:1
I (7277) wifi:state: init -> auth (b0)
I (7277) wifi:state: auth -> assoc (0)
I (7287) wifi:state: assoc -> run (10)
I (7317) wifi:connected with DigitalFortress, aid = 4, channel 1, BW20, bssid = 04:d4:c4:5e:22:f0
I (7317) wifi:security type: 3, phy: bgn, rssi: -60
I (7427) wifi:pm start, type: 1

I (7427) wifi:AP's beacon interval = 102400 us, DTIM period = 1
I (11617) esp_netif_handlers: sta ip: 192.168.1.216, mask: 255.255.255.0, gw: 192.168.1.1
I (11617) wifi dpp-enrollee: got ip:192.168.1.216
I (11617) wifi dpp-enrollee: connected to ap SSID:DigitalFortress password:password