ESP32 Forum

Posted: **Wed May 01, 2024 5:16 am**

We are struggling with special characters in the wifi sta password, everything works if we use a password with without special characters.

Code: Select all

    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() );

If

wifi_config.sta.password

is set to "password" or any other password without special characters, it works.

But if we set

wifi_config.sta.password

to example "pass&word" it fails.

And we did remember to change to AP's password accordingly.

So how do we use special characters ?

Posted: **Thu May 02, 2024 12:25 am**

There's nothing special about an ampersand; esp-idf should simply use that. How do you set the password?

Posted: **Thu May 02, 2024 6:54 am**

Yes, I don't understand either.

We set it as follows, and it works for all other tested password without "special" characters.

Code: Select all

strncpy((char*)wifi_config.sta.password,"pass&word", PW_MAX_LENGHT);

Posted: **Thu May 02, 2024 8:40 am**

And obviously PW_MAX_LENGHT is set to 10 or higher?

Posted: **Thu May 02, 2024 10:25 am**

yes, 64.

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