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feat(esp_wifi): Showcase roaming_app capabalities through dedicated example
- Shows use of roaming app through dedicated example : roaming_app_example. - Changes the location of the earlier roaming example by moving it into the roaming_11kvr. - Please note that this feature is still experimental and still being optimised and tuned.
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@ -15,7 +15,7 @@ The examples are grouped into sub-directories by category. Each category directo
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* `getting_started` contains the basic examples for using Wi-Fi in STA and AP mode.
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* `getting_started` contains the basic examples for using Wi-Fi in STA and AP mode.
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* `iperf` shows the common performance measurements for two ESP running this example.
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* `iperf` shows the common performance measurements for two ESP running this example.
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* `power_save` contains a how to use power save mode of Wi-Fi.
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* `power_save` contains a how to use power save mode of Wi-Fi.
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* `roaming` contains a example using 802.11k and 802.11v APIs.
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* `roaming` contains 2 examples that demonstrate roaming capabilities.
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* `scan` shows how to scan for all the available APs.
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* `scan` shows how to scan for all the available APs.
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* `smart_config` shows how ESP connects to a target AP with ESPTOUCH.
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* `smart_config` shows how ESP connects to a target AP with ESPTOUCH.
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* `wifi_eap_fast` shows how ESP connects to AP with Wi-Fi enterprise encryption using the EAP-FAST method.
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* `wifi_eap_fast` shows how ESP connects to AP with Wi-Fi enterprise encryption using the EAP-FAST method.
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@ -1,95 +1,16 @@
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| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C6 | ESP32-S2 | ESP32-S3 |
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| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C6 | ESP32-S2 | ESP32-S3 |
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| ----------------- | ----- | -------- | -------- | -------- | -------- | -------- |
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| ----------------- | ----- | -------- | -------- | -------- | -------- | -------- |
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# Roaming Example
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# Wi-Fi Roaming Examples
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(See the README.md file in the upper level 'examples' directory for more information about examples.)
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This directory contains 2 example ESP-IDF projects that demonstrate the Wi-Fi Roaming capabilities. These are intended to demonstrate the Wi-Fi roaming functionality, and to provide code that you can copy and use in your own projects.
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This example demonstrate a roaming example using 11k and 11v APIs.
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# Example Layout
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## How to use example
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* `roaming_11kvr` demonstrates the use of API's that implement IEEE 802.11kvr mechanisms.
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* `roaming_app` implements Espressif's roaming app that optimally combines legacy roaming and 802.11kv based
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roaming for effective roaming.
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Before project configuration and build, be sure to set the correct chip target using `idf.py set-target <chip_name>`.
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# More
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### Hardware Required
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See the [README.md](../README.md) file in the upper level [examples](../) directory for more information about examples.
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* A development board with ESP32/ESP32-S2/ESP32-C3 SoC (e.g., ESP32-DevKitC, ESP-WROVER-KIT, etc.)
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* A USB cable for Power supply and programming
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### Build and Flash
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Build the project and flash it to the board, then run the monitor tool to view the serial output:
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Run `idf.py -p PORT flash monitor` to build, flash and monitor the project.
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(To exit the serial monitor, type ``Ctrl-]``.)
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See the Getting Started Guide for all the steps to configure and use the ESP-IDF to build projects.
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* [ESP-IDF Getting Started Guide on ESP32](https://docs.espressif.com/projects/esp-idf/en/latest/esp32/get-started/index.html)
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* [ESP-IDF Getting Started Guide on ESP32-S2](https://docs.espressif.com/projects/esp-idf/en/latest/esp32s2/get-started/index.html)
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* [ESP-IDF Getting Started Guide on ESP32-C3](https://docs.espressif.com/projects/esp-idf/en/latest/esp32c3/get-started/index.html)
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## Example Output
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All the logs are taken after debug enabled:
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Beacon request:
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```
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I (11125) wpa: scan issued at time=7579442263
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I (11125) wpa: BSS: Add new id 1 BSSID b6:fb:e4:4d:6e:22 SSID 'ESPTest' chan 1
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I (11135) wpa: BSS: Add new id 2 BSSID d6:fb:e4:4d:6e:22 SSID 'ESPDedicated' chan 1
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I (11165) wpa: BSS: Add new id 3 BSSID c6:fb:e4:4d:6e:22 SSID 'ESPGuestNetwork' chan 1
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I (11185) wpa: BSS: Add new id 4 BSSID b4:fb:e4:4d:6e:22 SSID 'ESPIndia' chan 1
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I (11245) wpa: BSS: Add new id 5 BSSID b8:27:eb:3b:4a:59 SSID 'wpa2_enterprise' chan 6
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I (11365) wpa: BSS: Add new id 6 BSSID 38:94:ed:34:07:66 SSID 'Nighthawk' chan 6
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I (11365) wpa: BSS: Add new id 7 BSSID 10:da:43:dc:99:20 SSID 'NETGEAR40' chan 6
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I (12435) wpa: BSS: Add new id 8 BSSID c6:fb:e4:4d:7c:89 SSID 'ESPGuestNetwork' chan 11
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I (12445) wpa: BSS: Add new id 9 BSSID d6:fb:e4:4d:7c:89 SSID 'ESPDedicated' chan 11
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I (12455) wpa: BSS: Add new id 10 BSSID b6:fb:e4:4d:7c:89 SSID 'ESPTest' chan 11
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I (12485) wpa: BSS: Add new id 11 BSSID b4:fb:e4:4d:7c:89 SSID 'ESPIndia' chan 11
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I (12825) wpa: scan done received
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I (12845) wpa: action frame sent
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I (12845) wpa: action frame sent
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```
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Sta's moving from one AP to another on BTM request:
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```
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I (379479) wpa: WNM: RX action 7 from 50:3e:aa:26:35:42
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I (379479) wpa: WNM: BSS Transition Management Request: dialog_token=1 request_mode=0x1 disassoc_timer=0 validity_interval=1
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I (379489) wpa: WNM: Neighbor report tag 52
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I (379499) wpa: WNM: Subelement id=3 len=1
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I (379499) wpa: WNM: BSS Transition Candidate List
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I (379509) wpa: 0: b4:e6:2d:eb:1d:76 info=0x0 op_class=81 chan=1 phy=7 pref=255
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I (379519) wpa: WNM: Candidate list valid for 102 ms
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I (379519) wpa: WNM: Scan only for a specific BSSID since there is only a single candidate b4:e6:2d:eb:1d:76
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I (379539) wpa: scan issued at time=9979439869
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I (379539) wpa: BSS: Add new id 12 BSSID b4:e6:2d:eb:1d:76 SSID 'roaming_test123' chan 6
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I (381979) wpa: scan done received
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I (381979) wpa: WNM: Process scan results for BSS Transition Management
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I (381979) wpa: WNM: Found an acceptable preferred transition candidate BSS b4:e6:2d:eb:1d:76 (RSSI -7)
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I (381989) wpa: WNM: Transition to BSS b4:e6:2d:eb:1d:76 based on BSS Transition Management Request after_new_scan=1)
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I (381999) wpa: WNM: Sending successful BSS Transition Management Response
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I (382009) wpa: WNM: Send BSS Transition Management Response to 50:3e:aa:26:35:42 dialog_token=1 status=0 reason=0 delay=0
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I (382019) wpa: action frame sent
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I (382029) wpa: WNM: Issuing connect
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I (382029) wifi:state: run -> init (0)
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I (382029) wifi:pm stop, total sleep time: 102136757 us / 109258805 us
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I (382039) wifi:new:<6,0>, old:<6,0>, ap:<255,255>, sta:<6,0>, prof:1
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I (382769) wifi:new:<6,1>, old:<6,0>, ap:<255,255>, sta:<6,1>, prof:1
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I (384689) wifi:state: init -> auth (b0)
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I (384699) wifi:state: auth -> assoc (0)
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I (384709) wifi:state: assoc -> run (10)
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I (384729) wifi:connected with roaming_test123, aid = 1, channel 6, 40U, bssid = b4:e6:2d:eb:1d:76
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I (384729) wifi:security: WPA2-PSK, phy: bgn, rssi: -7
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I (384729) wifi:pm start, type: 1
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I (384789) wifi:AP's beacon interval = 102400 us, DTIM period = 2
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I (385609) esp_netif_handlers: sta ip: 192.168.4.2, mask: 255.255.255.0, gw: 192.168.4.1
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```
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## Troubleshooting
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For any technical queries, please open an [issue](https://github.com/espressif/esp-idf/issues) on GitHub. We will get back to you soon.
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95
examples/wifi/roaming/roaming_11kvr/README.md
Normal file
95
examples/wifi/roaming/roaming_11kvr/README.md
Normal file
@ -0,0 +1,95 @@
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| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C6 | ESP32-S2 | ESP32-S3 |
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| ----------------- | ----- | -------- | -------- | -------- | -------- | -------- |
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# Roaming Example
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(See the README.md file in the upper level 'examples' directory for more information about examples.)
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This example demonstrate a roaming example using 11k and 11v APIs.
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## How to use example
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Before project configuration and build, be sure to set the correct chip target using `idf.py set-target <chip_name>`.
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### Hardware Required
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* A development board with ESP32/ESP32-S2/ESP32-C3 SoC (e.g., ESP32-DevKitC, ESP-WROVER-KIT, etc.)
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* A USB cable for Power supply and programming
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### Build and Flash
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Build the project and flash it to the board, then run the monitor tool to view the serial output:
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Run `idf.py -p PORT flash monitor` to build, flash and monitor the project.
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(To exit the serial monitor, type ``Ctrl-]``.)
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See the Getting Started Guide for all the steps to configure and use the ESP-IDF to build projects.
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* [ESP-IDF Getting Started Guide on ESP32](https://docs.espressif.com/projects/esp-idf/en/latest/esp32/get-started/index.html)
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* [ESP-IDF Getting Started Guide on ESP32-S2](https://docs.espressif.com/projects/esp-idf/en/latest/esp32s2/get-started/index.html)
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* [ESP-IDF Getting Started Guide on ESP32-C3](https://docs.espressif.com/projects/esp-idf/en/latest/esp32c3/get-started/index.html)
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## Example Output
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All the logs are taken after debug enabled:
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Beacon request:
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```
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I (11125) wpa: scan issued at time=7579442263
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I (11125) wpa: BSS: Add new id 1 BSSID b6:fb:e4:4d:6e:22 SSID 'ESPTest' chan 1
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I (11135) wpa: BSS: Add new id 2 BSSID d6:fb:e4:4d:6e:22 SSID 'ESPDedicated' chan 1
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I (11165) wpa: BSS: Add new id 3 BSSID c6:fb:e4:4d:6e:22 SSID 'ESPGuestNetwork' chan 1
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I (11185) wpa: BSS: Add new id 4 BSSID b4:fb:e4:4d:6e:22 SSID 'ESPIndia' chan 1
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I (11245) wpa: BSS: Add new id 5 BSSID b8:27:eb:3b:4a:59 SSID 'wpa2_enterprise' chan 6
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I (11365) wpa: BSS: Add new id 6 BSSID 38:94:ed:34:07:66 SSID 'Nighthawk' chan 6
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I (11365) wpa: BSS: Add new id 7 BSSID 10:da:43:dc:99:20 SSID 'NETGEAR40' chan 6
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I (12435) wpa: BSS: Add new id 8 BSSID c6:fb:e4:4d:7c:89 SSID 'ESPGuestNetwork' chan 11
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I (12445) wpa: BSS: Add new id 9 BSSID d6:fb:e4:4d:7c:89 SSID 'ESPDedicated' chan 11
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I (12455) wpa: BSS: Add new id 10 BSSID b6:fb:e4:4d:7c:89 SSID 'ESPTest' chan 11
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I (12485) wpa: BSS: Add new id 11 BSSID b4:fb:e4:4d:7c:89 SSID 'ESPIndia' chan 11
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I (12825) wpa: scan done received
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I (12845) wpa: action frame sent
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I (12845) wpa: action frame sent
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```
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Sta's moving from one AP to another on BTM request:
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```
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I (379479) wpa: WNM: RX action 7 from 50:3e:aa:26:35:42
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I (379479) wpa: WNM: BSS Transition Management Request: dialog_token=1 request_mode=0x1 disassoc_timer=0 validity_interval=1
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I (379489) wpa: WNM: Neighbor report tag 52
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I (379499) wpa: WNM: Subelement id=3 len=1
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I (379499) wpa: WNM: BSS Transition Candidate List
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I (379509) wpa: 0: b4:e6:2d:eb:1d:76 info=0x0 op_class=81 chan=1 phy=7 pref=255
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I (379519) wpa: WNM: Candidate list valid for 102 ms
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I (379519) wpa: WNM: Scan only for a specific BSSID since there is only a single candidate b4:e6:2d:eb:1d:76
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I (379539) wpa: scan issued at time=9979439869
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I (379539) wpa: BSS: Add new id 12 BSSID b4:e6:2d:eb:1d:76 SSID 'roaming_test123' chan 6
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I (381979) wpa: scan done received
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I (381979) wpa: WNM: Process scan results for BSS Transition Management
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I (381979) wpa: WNM: Found an acceptable preferred transition candidate BSS b4:e6:2d:eb:1d:76 (RSSI -7)
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I (381989) wpa: WNM: Transition to BSS b4:e6:2d:eb:1d:76 based on BSS Transition Management Request after_new_scan=1)
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I (381999) wpa: WNM: Sending successful BSS Transition Management Response
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I (382009) wpa: WNM: Send BSS Transition Management Response to 50:3e:aa:26:35:42 dialog_token=1 status=0 reason=0 delay=0
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I (382019) wpa: action frame sent
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I (382029) wpa: WNM: Issuing connect
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I (382029) wifi:state: run -> init (0)
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I (382029) wifi:pm stop, total sleep time: 102136757 us / 109258805 us
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I (382039) wifi:new:<6,0>, old:<6,0>, ap:<255,255>, sta:<6,0>, prof:1
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I (382769) wifi:new:<6,1>, old:<6,0>, ap:<255,255>, sta:<6,1>, prof:1
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I (384689) wifi:state: init -> auth (b0)
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I (384699) wifi:state: auth -> assoc (0)
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I (384709) wifi:state: assoc -> run (10)
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I (384729) wifi:connected with roaming_test123, aid = 1, channel 6, 40U, bssid = b4:e6:2d:eb:1d:76
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I (384729) wifi:security: WPA2-PSK, phy: bgn, rssi: -7
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I (384729) wifi:pm start, type: 1
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I (384789) wifi:AP's beacon interval = 102400 us, DTIM period = 2
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I (385609) esp_netif_handlers: sta ip: 192.168.4.2, mask: 255.255.255.0, gw: 192.168.4.1
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```
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## Troubleshooting
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For any technical queries, please open an [issue](https://github.com/espressif/esp-idf/issues) on GitHub. We will get back to you soon.
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@ -1,3 +1,8 @@
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/*
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* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Unlicense OR CC0-1.0
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*/
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#include <string.h>
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#include <string.h>
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#include <inttypes.h>
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#include <inttypes.h>
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#include <stdlib.h>
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#include <stdlib.h>
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@ -189,7 +194,7 @@ static char * get_btm_neighbor_list(uint8_t *report, size_t report_len)
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pos += s_len;
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pos += s_len;
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}
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}
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ESP_LOGI(TAG, "RMM neigbor report bssid=" MACSTR
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ESP_LOGI(TAG, "RMM neighbor report bssid=" MACSTR
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" info=0x%" PRIx32 " op_class=%u chan=%u phy_type=%u%s%s%s%s",
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" info=0x%" PRIx32 " op_class=%u chan=%u phy_type=%u%s%s%s%s",
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MAC2STR(nr), WPA_GET_LE32(nr + ETH_ALEN),
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MAC2STR(nr), WPA_GET_LE32(nr + ETH_ALEN),
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nr[ETH_ALEN + 4], nr[ETH_ALEN + 5],
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nr[ETH_ALEN + 4], nr[ETH_ALEN + 5],
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@ -310,11 +315,11 @@ char * get_tmp_neighbor_list(uint8_t *report, size_t report_len)
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static void esp_neighbor_report_recv_handler(void* arg, esp_event_base_t event_base,int32_t event_id, void* event_data)
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static void esp_neighbor_report_recv_handler(void* arg, esp_event_base_t event_base,int32_t event_id, void* event_data)
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{
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{
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if (!g_neighbor_report_active) {
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if (!g_neighbor_report_active) {
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ESP_LOGV(TAG,"Neighbor report recieved but not triggerred by us");
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ESP_LOGV(TAG,"Neighbor report received but not triggered by us");
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return;
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return;
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}
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}
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if (!event_data) {
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if (!event_data) {
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ESP_LOGE(TAG, "No event data recieved for neighbor report");
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ESP_LOGE(TAG, "No event data received for neighbor report");
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return;
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return;
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}
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}
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g_neighbor_report_active = false;
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g_neighbor_report_active = false;
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6
examples/wifi/roaming/roaming_app/CMakeLists.txt
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6
examples/wifi/roaming/roaming_app/CMakeLists.txt
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# The following five lines of boilerplate have to be in your project's
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# CMakeLists in this exact order for cmake to work correctly
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cmake_minimum_required(VERSION 3.16)
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include($ENV{IDF_PATH}/tools/cmake/project.cmake)
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project(wifi_roaming_app)
|
||||||
83
examples/wifi/roaming/roaming_app/README.md
Normal file
83
examples/wifi/roaming/roaming_app/README.md
Normal file
@ -0,0 +1,83 @@
|
|||||||
|
| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C6 | ESP32-S2 | ESP32-S3 |
|
||||||
|
| ----------------- | ----- | -------- | -------- | -------- | -------- | -------- |
|
||||||
|
|
||||||
|
# Wi-Fi Station Example
|
||||||
|
|
||||||
|
(See the README.md file in the upper level 'examples' directory for more information about examples.)
|
||||||
|
|
||||||
|
This example shows how to use the Wi-Fi Roaming App functionality of the Wi-Fi driver of ESP for efficient roaming between compatible APs.
|
||||||
|
|
||||||
|
## How to use example
|
||||||
|
|
||||||
|
### Configure the project
|
||||||
|
|
||||||
|
Open the project configuration menu (`idf.py menuconfig`).
|
||||||
|
|
||||||
|
In the `Example Configuration` menu:
|
||||||
|
|
||||||
|
* Set the Wi-Fi configuration.
|
||||||
|
* Set `WiFi SSID`.
|
||||||
|
* Set `WiFi Password`.
|
||||||
|
|
||||||
|
* To better understand how to configure the app in Components --> Wi-Fi --> Roaming App settings,
|
||||||
|
please go read the README at components/esp_wifi/wifi_apps/roaming_app/src.
|
||||||
|
Optional: If you need, change the other options according to your requirements.
|
||||||
|
|
||||||
|
### Build and Flash
|
||||||
|
|
||||||
|
Build the project and flash it to the board, then run the monitor tool to view the serial output:
|
||||||
|
|
||||||
|
Run `idf.py -p PORT flash monitor` to build, flash and monitor the project.
|
||||||
|
|
||||||
|
(To exit the serial monitor, type ``Ctrl-]``.)
|
||||||
|
|
||||||
|
See the Getting Started Guide for all the steps to configure and use the ESP-IDF to build projects.
|
||||||
|
|
||||||
|
* [ESP-IDF Getting Started Guide on ESP32](https://docs.espressif.com/projects/esp-idf/en/latest/esp32/get-started/index.html)
|
||||||
|
* [ESP-IDF Getting Started Guide on ESP32-S2](https://docs.espressif.com/projects/esp-idf/en/latest/esp32s2/get-started/index.html)
|
||||||
|
* [ESP-IDF Getting Started Guide on ESP32-C3](https://docs.espressif.com/projects/esp-idf/en/latest/esp32c3/get-started/index.html)
|
||||||
|
|
||||||
|
## Example Output
|
||||||
|
Note that the output, in particular the order of the output, may vary depending on the environment.
|
||||||
|
|
||||||
|
Console output if station roams between APs successfully:
|
||||||
|
```
|
||||||
|
I (827) wifi roaming app: wifi_init_sta finished.
|
||||||
|
I (837) wifi:new:<1,0>, old:<1,0>, ap:<255,255>, sta:<1,0>, prof:5
|
||||||
|
I (837) wifi:state: init -> auth (b0)
|
||||||
|
I (847) wifi:state: auth -> assoc (0)
|
||||||
|
I (857) wifi:Association refused temporarily, comeback time 1000 (TUs)
|
||||||
|
I (1877) wifi:state: assoc -> assoc (0)
|
||||||
|
I (1917) wifi:state: assoc -> run (10)
|
||||||
|
I (2997) wifi:connected with roaming_setup, aid = 1, channel 1, BW20, bssid = de:bd:5b:93:55:99
|
||||||
|
I (2997) wifi:security: WPA2-PSK, phy: bgn, rssi: -58
|
||||||
|
I (3007) wifi:pm start, type: 1
|
||||||
|
|
||||||
|
I (3087) wifi:AP's beacon interval = 102400 us, DTIM period = 2
|
||||||
|
I (10467) ROAM: roaming_app_rssi_low_handler:bss rssi is=-61
|
||||||
|
I (10467) ROAM: Issued Scan
|
||||||
|
I (10857) ROAM: Could not find a better AP with the threshold set to 1
|
||||||
|
I (63017) ROAM: Issued Scan
|
||||||
|
I (63347) ROAM: Found a better AP 7c:50:79:06:18:46 at channel 9
|
||||||
|
I (63347) wifi:state: run -> init (cc0)
|
||||||
|
I (63347) wifi:pm stop, total sleep time: 54401305 us / 60339946 us
|
||||||
|
|
||||||
|
I (63347) wifi:new:<1,0>, old:<1,0>, ap:<255,255>, sta:<1,0>, prof:5
|
||||||
|
E (63357) ROAM: Neighbor report is empty
|
||||||
|
I (63357) wifi roaming app: station disconnected during roaming
|
||||||
|
I (63377) wifi roaming app: connect to the AP fail
|
||||||
|
I (63377) ROAM: Disconnecting and connecting to 7c:50:79:06:18:46 on account of better rssi
|
||||||
|
I (63497) wifi:new:<9,0>, old:<1,0>, ap:<255,255>, sta:<9,0>, prof:5
|
||||||
|
I (63837) wifi:state: init -> auth (b0)
|
||||||
|
I (63847) wifi:state: auth -> assoc (0)
|
||||||
|
I (63887) wifi:Association refused temporarily, comeback time 1000 (TUs)
|
||||||
|
I (64907) wifi:state: assoc -> assoc (0)
|
||||||
|
I (64977) wifi:state: assoc -> run (10)
|
||||||
|
I (65007) wifi:connected with roaming_setup, aid = 1, channel 9, BW20, bssid = 7c:50:79:06:18:46
|
||||||
|
I (65007) wifi:security: WPA2-PSK, phy: bgn, rssi: -32
|
||||||
|
I (65027) wifi:pm start, type: 1
|
||||||
|
```
|
||||||
|
|
||||||
|
## Troubleshooting
|
||||||
|
|
||||||
|
For any technical queries, please open an [issue](https://github.com/espressif/esp-idf/issues) on GitHub. We will get back to you soon.
|
||||||
2
examples/wifi/roaming/roaming_app/main/CMakeLists.txt
Normal file
2
examples/wifi/roaming/roaming_app/main/CMakeLists.txt
Normal file
@ -0,0 +1,2 @@
|
|||||||
|
idf_component_register(SRCS "roaming_app_example.c"
|
||||||
|
INCLUDE_DIRS ".")
|
||||||
14
examples/wifi/roaming/roaming_app/main/Kconfig.projbuild
Normal file
14
examples/wifi/roaming/roaming_app/main/Kconfig.projbuild
Normal file
@ -0,0 +1,14 @@
|
|||||||
|
menu "Example Configuration"
|
||||||
|
|
||||||
|
config ESP_WIFI_SSID
|
||||||
|
string "WiFi SSID"
|
||||||
|
default "myssid"
|
||||||
|
help
|
||||||
|
SSID (network name) for the example to connect to.
|
||||||
|
|
||||||
|
config ESP_WIFI_PASSWORD
|
||||||
|
string "WiFi Password"
|
||||||
|
default "mypassword"
|
||||||
|
help
|
||||||
|
WiFi password (WPA or WPA2) for the example to use.
|
||||||
|
endmenu
|
||||||
149
examples/wifi/roaming/roaming_app/main/roaming_app_example.c
Normal file
149
examples/wifi/roaming/roaming_app/main/roaming_app_example.c
Normal file
@ -0,0 +1,149 @@
|
|||||||
|
/*
|
||||||
|
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
|
||||||
|
*
|
||||||
|
* SPDX-License-Identifier: Unlicense OR CC0-1.0
|
||||||
|
*/
|
||||||
|
/* WiFi Roaming App Example
|
||||||
|
|
||||||
|
This example code is in the Public Domain (or CC0 licensed, at your option.)
|
||||||
|
|
||||||
|
Unless required by applicable law or agreed to in writing, this
|
||||||
|
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
|
||||||
|
CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
*/
|
||||||
|
#include <string.h>
|
||||||
|
#include "freertos/FreeRTOS.h"
|
||||||
|
#include "freertos/task.h"
|
||||||
|
#include "freertos/event_groups.h"
|
||||||
|
#include "esp_system.h"
|
||||||
|
#include "esp_wifi.h"
|
||||||
|
#include "esp_event.h"
|
||||||
|
#include "esp_log.h"
|
||||||
|
#include "nvs_flash.h"
|
||||||
|
|
||||||
|
#include "lwip/err.h"
|
||||||
|
#include "lwip/sys.h"
|
||||||
|
|
||||||
|
/* The examples use WiFi configuration that you can set via project configuration menu
|
||||||
|
|
||||||
|
If you'd rather not, just change the below entries to strings with
|
||||||
|
the config you want - ie #define EXAMPLE_WIFI_SSID "mywifissid"
|
||||||
|
*/
|
||||||
|
#define EXAMPLE_ESP_WIFI_SSID CONFIG_ESP_WIFI_SSID
|
||||||
|
#define EXAMPLE_ESP_WIFI_PASS CONFIG_ESP_WIFI_PASSWORD
|
||||||
|
|
||||||
|
/* FreeRTOS event group to signal when we are connected*/
|
||||||
|
static EventGroupHandle_t s_wifi_event_group;
|
||||||
|
|
||||||
|
/* The event group allows multiple bits for each event, but we only care about two events:
|
||||||
|
* - we are connected to the AP with an IP
|
||||||
|
* - we failed to connect after the maximum amount of retries */
|
||||||
|
#define WIFI_CONNECTED_BIT BIT0
|
||||||
|
#define WIFI_FAIL_BIT BIT1
|
||||||
|
#define MAXIMUM_RETRY 5
|
||||||
|
const char *TAG = "wifi roaming app";
|
||||||
|
|
||||||
|
static int s_retry_num = 0;
|
||||||
|
|
||||||
|
static void event_handler(void* arg, esp_event_base_t event_base,
|
||||||
|
int32_t event_id, void* event_data)
|
||||||
|
{
|
||||||
|
if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) {
|
||||||
|
esp_wifi_connect();
|
||||||
|
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
|
||||||
|
wifi_event_sta_disconnected_t *disconn = event_data;
|
||||||
|
if (disconn->reason == WIFI_REASON_ROAMING) {
|
||||||
|
ESP_LOGI(TAG, "station disconnected during roaming");
|
||||||
|
} else {
|
||||||
|
if (s_retry_num < MAXIMUM_RETRY) {
|
||||||
|
ESP_LOGI(TAG, "station disconnected with reason %d", disconn->reason);
|
||||||
|
esp_wifi_connect();
|
||||||
|
s_retry_num++;
|
||||||
|
ESP_LOGI(TAG, "retry to connect to the AP");
|
||||||
|
} else {
|
||||||
|
xEventGroupSetBits(s_wifi_event_group, WIFI_FAIL_BIT);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
|
||||||
|
ip_event_got_ip_t* event = (ip_event_got_ip_t*) event_data;
|
||||||
|
ESP_LOGI(TAG, "got ip:" IPSTR, IP2STR(&event->ip_info.ip));
|
||||||
|
s_retry_num = 0;
|
||||||
|
xEventGroupSetBits(s_wifi_event_group, WIFI_CONNECTED_BIT);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void wifi_init_sta(void)
|
||||||
|
{
|
||||||
|
s_wifi_event_group = xEventGroupCreate();
|
||||||
|
|
||||||
|
ESP_ERROR_CHECK(esp_netif_init());
|
||||||
|
|
||||||
|
ESP_ERROR_CHECK(esp_event_loop_create_default());
|
||||||
|
esp_netif_create_default_wifi_sta();
|
||||||
|
|
||||||
|
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
|
||||||
|
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
|
||||||
|
|
||||||
|
esp_event_handler_instance_t instance_any_id;
|
||||||
|
esp_event_handler_instance_t instance_got_ip;
|
||||||
|
ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT,
|
||||||
|
ESP_EVENT_ANY_ID,
|
||||||
|
&event_handler,
|
||||||
|
NULL,
|
||||||
|
&instance_any_id));
|
||||||
|
ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT,
|
||||||
|
IP_EVENT_STA_GOT_IP,
|
||||||
|
&event_handler,
|
||||||
|
NULL,
|
||||||
|
&instance_got_ip));
|
||||||
|
|
||||||
|
wifi_config_t wifi_config = {
|
||||||
|
.sta = {
|
||||||
|
.ssid = EXAMPLE_ESP_WIFI_SSID,
|
||||||
|
.password = EXAMPLE_ESP_WIFI_PASS,
|
||||||
|
.btm_enabled = 1,
|
||||||
|
.rm_enabled = 1,
|
||||||
|
.mbo_enabled = 1,
|
||||||
|
.ft_enabled = 1,
|
||||||
|
}
|
||||||
|
};
|
||||||
|
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
|
||||||
|
ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &wifi_config));
|
||||||
|
ESP_ERROR_CHECK(esp_wifi_start());
|
||||||
|
|
||||||
|
ESP_LOGI(TAG, "wifi_init_sta finished.");
|
||||||
|
|
||||||
|
/* Waiting until either the connection is established (WIFI_CONNECTED_BIT) or connection failed for the maximum
|
||||||
|
* number of re-tries (WIFI_FAIL_BIT). The bits are set by event_handler() (see above) */
|
||||||
|
EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group,
|
||||||
|
WIFI_CONNECTED_BIT | WIFI_FAIL_BIT,
|
||||||
|
pdFALSE,
|
||||||
|
pdFALSE,
|
||||||
|
portMAX_DELAY);
|
||||||
|
|
||||||
|
/* xEventGroupWaitBits() returns the bits before the call returned, hence we can test which event actually
|
||||||
|
* happened. */
|
||||||
|
if (bits & WIFI_CONNECTED_BIT) {
|
||||||
|
ESP_LOGI(TAG, "connected to ap SSID:%s password:%s",
|
||||||
|
EXAMPLE_ESP_WIFI_SSID, EXAMPLE_ESP_WIFI_PASS);
|
||||||
|
} else if (bits & WIFI_FAIL_BIT) {
|
||||||
|
ESP_LOGI(TAG, "Failed to connect to SSID:%s, password:%s",
|
||||||
|
EXAMPLE_ESP_WIFI_SSID, EXAMPLE_ESP_WIFI_PASS);
|
||||||
|
} else {
|
||||||
|
ESP_LOGE(TAG, "UNEXPECTED EVENT");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void app_main(void)
|
||||||
|
{
|
||||||
|
//Initialize NVS
|
||||||
|
esp_err_t ret = nvs_flash_init();
|
||||||
|
if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
|
||||||
|
ESP_ERROR_CHECK(nvs_flash_erase());
|
||||||
|
ret = nvs_flash_init();
|
||||||
|
}
|
||||||
|
ESP_ERROR_CHECK(ret);
|
||||||
|
|
||||||
|
ESP_LOGI(TAG, "ESP_WIFI_MODE_STA");
|
||||||
|
wifi_init_sta();
|
||||||
|
}
|
||||||
9
examples/wifi/roaming/roaming_app/sdkconfig.defaults
Normal file
9
examples/wifi/roaming/roaming_app/sdkconfig.defaults
Normal file
@ -0,0 +1,9 @@
|
|||||||
|
CONFIG_IDF_EXPERIMENTAL_FEATURES=y
|
||||||
|
|
||||||
|
|
||||||
|
CONFIG_ESP_WIFI_SOFTAP_SUPPORT=n
|
||||||
|
CONFIG_ESP_WIFI_11KV_SUPPORT=y
|
||||||
|
CONFIG_ESP_WIFI_SCAN_CACHE=y
|
||||||
|
CONFIG_ESP_WIFI_MBO_SUPPORT=y
|
||||||
|
CONFIG_ESP_WIFI_ENABLE_ROAMING_APP=y
|
||||||
|
CONFIG_ESP_WIFI_11R_SUPPORT=y
|
||||||
@ -1189,7 +1189,6 @@ examples/wifi/getting_started/softAP/main/softap_example_main.c
|
|||||||
examples/wifi/getting_started/station/main/station_example_main.c
|
examples/wifi/getting_started/station/main/station_example_main.c
|
||||||
examples/wifi/iperf/main/iperf_example_main.c
|
examples/wifi/iperf/main/iperf_example_main.c
|
||||||
examples/wifi/power_save/main/power_save.c
|
examples/wifi/power_save/main/power_save.c
|
||||||
examples/wifi/roaming/main/roaming_example.c
|
|
||||||
examples/wifi/scan/main/scan.c
|
examples/wifi/scan/main/scan.c
|
||||||
examples/wifi/smart_config/main/smartconfig_main.c
|
examples/wifi/smart_config/main/smartconfig_main.c
|
||||||
examples/wifi/wifi_easy_connect/dpp-enrollee/main/dpp_enrollee_main.c
|
examples/wifi/wifi_easy_connect/dpp-enrollee/main/dpp_enrollee_main.c
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user