[riot-notifications] [RIOT-OS/RIOT] cpu/esp32: esp_wifi netdev driver (#10762)

Gunar Schorcht notifications at github.com
Wed Jan 16 19:27:13 CET 2019


@MrKevinWeiss Thank you for trying :smile: 

Once the ESP32 can establish an association with the AP and can pass the authentication, it doesn't matter for link local IPv6 communication whether the router provides a global routing prefix or not. Since the IPv6 link local address `fe80::<IID>/64` is generated from the MAC address, you should be able to ping another node in your LAN using its `fe80::...` address without router support.

>From your log, I can see that your problem is definitely that your ESP32 node cannot establish the association to the AP. If it could establish an association but the authentication fails, your log would looks like as follows:
```
I (672) [     event]: system_event_sta_start_handle_default
I (679) [main_trampoline]: main(): This is RIOT! (Version: 2018.10-RC1-965-g4d1a0-esp32_esp_wifi_fix)
RIOT network stack example application
All up, running the shell now
> I (3090) [      wifi]: n:8 0, o:1 0, ap:255 255, sta:8 0, prof:1
I (5053) [      wifi]: state: init -> auth (b0)
I (5062) [      wifi]: state: auth -> assoc (0)
I (5136) [      wifi]: state: assoc -> run (10)
I (8191) [      wifi]: state: run -> auth (7c0)
I (8192) [      wifi]: n:8 0, o:8 0, ap:255 255, sta:8 0, prof:1
I (8192) [     event]: system_event_sta_disconnected_handle_default
I (8196) [      wifi]: state: auth -> init (0)
I (8201) [     event]: system_event_sta_disconnected_handle_default
I (10642) [      wifi]: n:8 0, o:8 0, ap:255 255, sta:8 0, prof:1
I (10643) [      wifi]: state: init -> auth (b0)
I (10650) [      wifi]: state: auth -> assoc (0)
I (10726) [      wifi]: state: assoc -> run (10)
I (13781) [      wifi]: state: run -> auth (7c0)
I (13782) [      wifi]: n:8 0, o:8 0, ap:255 255, sta:8 0, prof:1
I (13783) [     event]: system_event_sta_disconnected_handle_default
I (13787) [      wifi]: state: auth -> init (0)
I (13792) [     event]: system_event_sta_disconnected_handle_default
I (16211) [      wifi]: n:8 0, o:8 0, ap:255 255, sta:8 0, prof:1
I (16212) [      wifi]: state: init -> auth (b0)
...
```
Please double check your `ESP_WIFI_SSID` parameter setting.

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