ESP32 smart_config

# smartconfig Example This example shows how ESP32 connects to a target AP with ESPTOUCH. ## How to use example ### Hardware Required Download ESPTOUCH APP from app store: [Android source code](https://github.com/EspressifApp/EsptouchForAndroid) [iOS source code](https://github.com/EspressifApp/EsptouchForIOS) is available. ### Configure the project ``` idf.py menuconfig ``` ### Build and Flash Build the project and flash it to the board, then run monitor tool to view serial output: ``` idf.py -p PORT flash monitor ``` (To exit the serial monitor, type ``Ctrl-]``.) See the Getting Started Guide for full steps to configure and use ESP-IDF to build projects. ## Example output * Make sure your phone connect to the target AP (2.4GHz). * Open ESPTOUCH app and input password. There will be success message after few sec. Here is an example of smartconfig console output. ``` I (372) wifi: mode : sta (24:0a:c4:00:44:86) I (422) smartconfig: SC version: V2.6.6 I (3802) wifi: ic_enable_sniffer I (3802) sc: SC_STATUS_FIND_CHANNEL I (234592) smartconfig: TYPE: ESPTOUCH I (234592) smartconfig: T|PHONE MAC:68:3e:34:88:59:bf I (234592) smartconfig: T|AP MAC:a4:56:02:47:30:07 I (234592) sc: SC_STATUS_GETTING_SSID_PSWD I (239922) smartconfig: T|pswd: 123456789 I (239922) smartconfig: T|ssid: IOT_DEMO_TEST I (239922) smartconfig: T|bssid: a4:56:02:47:30:07 I (239922) wifi: ic_disable_sniffer I (239922) sc: SC_STATUS_LINK I (239932) sc: SSID:IOT_DEMO_TEST I (239932) sc: PASSWORD:123456789 I (240062) wifi: n:1 0, o:1 0, ap:255 255, sta:1 0, prof:1 I (241042) wifi: state: init -> auth (b0) I (241042) wifi: state: auth -> assoc (0) I (241052) wifi: state: assoc -> run (10) I (241102) wifi: connected with IOT_DEMO_TEST, channel 1 I (244892) event: ip: 192.168.0.152, mask: 255.255.255.0, gw: 192.168.0.1 I (244892) sc: WiFi Connected to ap I (247952) sc: SC_STATUS_LINK_OVER I (247952) sc: Phone ip: 192.168.0.31 I (247952) sc: smartconfig over ```