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84 lines
3.7 KiB
Markdown
84 lines
3.7 KiB
Markdown
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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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# Wi-Fi Station 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 shows how to use the Wi-Fi Roaming App functionality of the Wi-Fi driver of ESP for efficient roaming between compatible APs.
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## How to use example
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### Configure the project
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Open the project configuration menu (`idf.py menuconfig`).
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In the `Example Configuration` menu:
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* Set the Wi-Fi configuration.
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* Set `WiFi SSID`.
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* Set `WiFi Password`.
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* To better understand how to configure the app in Components --> Wi-Fi --> Roaming App settings,
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please go read the README at components/esp_wifi/wifi_apps/roaming_app/src.
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Optional: If you need, change the other options according to your requirements.
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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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Note that the output, in particular the order of the output, may vary depending on the environment.
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Console output if station roams between APs successfully:
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```
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I (827) wifi roaming app: wifi_init_sta finished.
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I (837) wifi:new:<1,0>, old:<1,0>, ap:<255,255>, sta:<1,0>, prof:5
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I (837) wifi:state: init -> auth (b0)
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I (847) wifi:state: auth -> assoc (0)
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I (857) wifi:Association refused temporarily, comeback time 1000 (TUs)
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I (1877) wifi:state: assoc -> assoc (0)
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I (1917) wifi:state: assoc -> run (10)
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I (2997) wifi:connected with roaming_setup, aid = 1, channel 1, BW20, bssid = de:bd:5b:93:55:99
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I (2997) wifi:security: WPA2-PSK, phy: bgn, rssi: -58
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I (3007) wifi:pm start, type: 1
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I (3087) wifi:AP's beacon interval = 102400 us, DTIM period = 2
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I (10467) ROAM: roaming_app_rssi_low_handler:bss rssi is=-61
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I (10467) ROAM: Issued Scan
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I (10857) ROAM: Could not find a better AP with the threshold set to 1
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I (63017) ROAM: Issued Scan
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I (63347) ROAM: Found a better AP 7c:50:79:06:18:46 at channel 9
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I (63347) wifi:state: run -> init (cc0)
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I (63347) wifi:pm stop, total sleep time: 54401305 us / 60339946 us
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I (63347) wifi:new:<1,0>, old:<1,0>, ap:<255,255>, sta:<1,0>, prof:5
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E (63357) ROAM: Neighbor report is empty
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I (63357) wifi roaming app: station disconnected during roaming
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I (63377) wifi roaming app: connect to the AP fail
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I (63377) ROAM: Disconnecting and connecting to 7c:50:79:06:18:46 on account of better rssi
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I (63497) wifi:new:<9,0>, old:<1,0>, ap:<255,255>, sta:<9,0>, prof:5
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I (63837) wifi:state: init -> auth (b0)
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I (63847) wifi:state: auth -> assoc (0)
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I (63887) wifi:Association refused temporarily, comeback time 1000 (TUs)
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I (64907) wifi:state: assoc -> assoc (0)
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I (64977) wifi:state: assoc -> run (10)
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I (65007) wifi:connected with roaming_setup, aid = 1, channel 9, BW20, bssid = 7c:50:79:06:18:46
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I (65007) wifi:security: WPA2-PSK, phy: bgn, rssi: -32
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I (65027) wifi:pm start, type: 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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