esp_wifi_get_channel() function

Get the primary/secondary channel of device @attention 1. API return false if try to get a interface that is not enable

Syntax

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Summary

Declaration

esp_err_t esp_wifi_get_channel(uint8_t *primary, wifi_second_chan_t *second);

Argument

Description

primary

store current primary channel

second

store current second channel

- ESP_OK: succeed - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init - ESP_ERR_INVALID_ARG: invalid argument

from examples