Add WiFi Provisioning

[franz-ms-muc]

Add WiFi Provisioning

https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/provisioning/wifi_provisioning.html

Would make a lot of sense.
After flashing use Serial Console Protocomm to scan and Connect.

[franz-ms-muc]

as an Example we can look to https://github.com/esphome/esp-web-tools

https://esphome.github.io/esp-web-tools/

works quite well, but their Provisioning Standard ist somehow weird and non ESP-IDF like.

[BrucePerens]

Since there is a console serial terminal, why not run a WiFi configuration wizard on the console? I know it's not as pretty, but it's simpler and works across all tools that provide a serial console.

I implemented a client for the Improv WiFi protocol used by esphome. It's lacking in robustness because it doesn't have any means to do retries if a protocol exchange is missed and it can't handle duplicate or gratuitous packets - and the first packet is often missed because the ESP32 sends it before Webserial is ready. It also uses a rather simplistic packet structure rather than something extensible like JSON.

I thought about redesigning Improv WiFi, but ended up implementing the WiFi wizard on the ESP32 console.

[franz-ms-muc]

Since there is a console serial terminal, why not run a WiFi configuration wizard on the console? I know it's not as pretty, but it's simpler and works across all tools that provide a serial console.

i do exactly this in the Moment. ESP Provisioning by QR-Code and BLE.

[igrr]

I am thinking of moving this issue into https://github.com/espressif/esp-launchpad, since it looks like this will be at least partially application-specific. Some applications might support CLI based provisioning, others might handle it via NVS. Let's keep esptool-js repo with just the "flashing" functionality.