2023-02-21 02:07:14 -05:00
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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 antenna soft switch 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 demonstrates how to use multi-antenna software switching for ESP.
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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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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-C2](https://docs.espressif.com/projects/esp-idf/en/latest/esp32c2/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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* [ESP-IDF Getting Started Guide on ESP32-C6](https://docs.espressif.com/projects/esp-idf/en/latest/esp32c6/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-S3](https://docs.espressif.com/projects/esp-idf/en/latest/esp32s3/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 connects to AP successfully:
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```
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2023-02-21 06:07:15 -05:00
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I (589) multi-antenna example: ESP_WIFI_MODE_STA
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2023-02-21 02:07:14 -05:00
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I (599) wifi: wifi driver task: 3ffc08b4, prio:23, stack:3584, core=0
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I (599) system_api: Base MAC address is not set, read default base MAC address from BLK0 of EFUSE
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I (599) system_api: Base MAC address is not set, read default base MAC address from BLK0 of EFUSE
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I (629) wifi: wifi firmware version: 2d94f02
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I (629) wifi: config NVS flash: enabled
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I (629) wifi: config nano formating: disabled
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I (629) wifi: Init dynamic tx buffer num: 32
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I (629) wifi: Init data frame dynamic rx buffer num: 32
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I (639) wifi: Init management frame dynamic rx buffer num: 32
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I (639) wifi: Init management short buffer num: 32
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I (649) wifi: Init static rx buffer size: 1600
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I (649) wifi: Init static rx buffer num: 10
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I (659) wifi: Init dynamic rx buffer num: 32
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I (759) phy: phy_version: 4180, cb3948e, Sep 12 2019, 16:39:13, 0, 0
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I (769) wifi: mode : sta (30:ae:a4:d9:bc:c4)
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I (769) multi-antenna example: wifi_init_sta finished.
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I (889) wifi: new:<6,0>, old:<1,0>, ap:<255,255>, sta:<6,0>, prof:1
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I (889) wifi: state: init -> auth (b0)
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I (899) wifi: state: auth -> assoc (0)
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I (909) wifi: state: assoc -> run (10)
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I (939) wifi: connected with #!/bin/test, aid = 1, channel 6, BW20, bssid = ac:9e:17:7e:31:40
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I (939) wifi: security type: 3, phy: bgn, rssi: -68
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I (949) wifi: pm start, type: 1
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I (1029) wifi: AP's beacon interval = 102400 us, DTIM period = 3
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I (2089) esp_netif_handlers: sta ip: 192.168.77.89, mask: 255.255.255.0, gw: 192.168.77.1
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I (2089) multi-antenna example: got ip:192.168.77.89
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I (2089) multi-antenna example: connected to ap SSID:myssid password:mypassword
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I (12268) multi-antenna example: GPIO: [0].pin = 21, [1].pin = 22
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I (18568) multi-antenna example: rx mode = 1, tx mode = 1, ant0_en = 0, ant1_en = 1
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I (19068) multi-antenna example: rx mode = 1, tx mode = 1, ant0_en = 0, ant1_en = 1
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I (19568) multi-antenna example: rx mode = 1, tx mode = 1, ant0_en = 0, ant1_en = 1
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I (20068) multi-antenna example: rx mode = 1, tx mode = 1, ant0_en = 0, ant1_en = 1
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I (20568) multi-antenna example: rx mode = 1, tx mode = 1, ant0_en = 0, ant1_en = 1
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I (21068) multi-antenna example: rx mode = 1, tx mode = 1, ant0_en = 0, ant1_en = 1
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I (21568) multi-antenna example: rx mode = 1, tx mode = 1, ant0_en = 0, ant1_en = 1
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I (22068) multi-antenna example: rx mode = 1, tx mode = 1, ant0_en = 0, ant1_en = 1
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I (22568) multi-antenna example: rx mode = 1, tx mode = 1, ant0_en = 0, ant1_en = 1
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I (23068) multi-antenna example: rx mode = 1, tx mode = 1, ant0_en = 0, ant1_en = 1
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I (23568) multi-antenna example: rx mode = 1, tx mode = 1, ant0_en = 0, ant1_en = 1
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2023-02-21 02:07:14 -05:00
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```
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Console output if the station failed to connect to AP:
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```
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2023-02-21 06:07:15 -05:00
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I (589) multi-antenna example: ESP_WIFI_MODE_STA
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2023-02-21 02:07:14 -05:00
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I (599) wifi: wifi driver task: 3ffc08b4, prio:23, stack:3584, core=0
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I (599) system_api: Base MAC address is not set, read default base MAC address from BLK0 of EFUSE
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I (599) system_api: Base MAC address is not set, read default base MAC address from BLK0 of EFUSE
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I (629) wifi: wifi firmware version: 2d94f02
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I (629) wifi: config NVS flash: enabled
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I (629) wifi: config nano formating: disabled
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I (629) wifi: Init dynamic tx buffer num: 32
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I (629) wifi: Init data frame dynamic rx buffer num: 32
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I (639) wifi: Init management frame dynamic rx buffer num: 32
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I (639) wifi: Init management short buffer num: 32
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I (649) wifi: Init static rx buffer size: 1600
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I (649) wifi: Init static rx buffer num: 10
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I (659) wifi: Init dynamic rx buffer num: 32
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I (759) phy: phy_version: 4180, cb3948e, Sep 12 2019, 16:39:13, 0, 0
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I (759) wifi: mode : sta (30:ae:a4:d9:bc:c4)
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I (769) multi-antenna example: wifi_init_sta finished.
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2023-02-21 02:07:14 -05:00
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I (889) wifi: new:<6,0>, old:<1,0>, ap:<255,255>, sta:<6,0>, prof:1
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I (889) wifi: state: init -> auth (b0)
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I (1889) wifi: state: auth -> init (200)
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I (1889) wifi: new:<6,0>, old:<6,0>, ap:<255,255>, sta:<6,0>, prof:1
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2023-02-21 06:07:15 -05:00
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I (1889) multi-antenna example: retry to connect to the AP
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I (1899) multi-antenna example: connect to the AP fail
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I (3949) multi-antenna example: retry to connect to the AP
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I (3949) multi-antenna example: connect to the AP fail
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2023-02-21 02:07:14 -05:00
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I (4069) wifi: new:<6,0>, old:<6,0>, ap:<255,255>, sta:<6,0>, prof:1
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I (4069) wifi: state: init -> auth (b0)
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I (5069) wifi: state: auth -> init (200)
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I (5069) wifi: new:<6,0>, old:<6,0>, ap:<255,255>, sta:<6,0>, prof:1
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2023-02-21 06:07:15 -05:00
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I (5069) multi-antenna example: retry to connect to the AP
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I (5069) multi-antenna example: connect to the AP fail
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I (7129) multi-antenna example: retry to connect to the AP
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I (7129) multi-antenna example: connect to the AP fail
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2023-02-21 02:07:14 -05:00
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I (7249) wifi: new:<6,0>, old:<6,0>, ap:<255,255>, sta:<6,0>, prof:1
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I (7249) wifi: state: init -> auth (b0)
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I (8249) wifi: state: auth -> init (200)
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I (8249) wifi: new:<6,0>, old:<6,0>, ap:<255,255>, sta:<6,0>, prof:1
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2023-02-21 06:07:15 -05:00
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I (8249) multi-antenna example: retry to connect to the AP
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I (8249) multi-antenna example: connect to the AP fail
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I (10299) multi-antenna example: connect to the AP fail
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I (10299) multi-antenna example: Failed to connect to SSID:myssid, password:mypassword
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2023-02-21 02:07:14 -05:00
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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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