Espressif ESP32-S2 User Manual

Chapter 2. API Reference
Attention 6. Supported country codes are“01”(world safe mode)“AT”,”AU”,”BE”,”BG”,”BR”
, “CA”,”CH”,”CN”,”CY”,”CZ”,”DE”,”DK”,”EE”,”ES”,”FI”,”FR”,”GB”
,”GR”,”HK”,”HR”,”HU”, “IE”,”IN”,”IS”,”IT”,”JP”,”KR”,”LI”,”LT”,”
LU”,”LV”,”MT”,”MX”,”NL”,”NO”,”NZ”,”PL”,”PT”, “RO”,”SE”,”SI”,”
SK”,”TW”,”US”
Attention 7. When country code “01”(world safe mode) is set, SoftAP mode won’t contain country IE.
Attention 8. The default country is “CN”and ieee80211d_enabled is TRUE.
Return
• ESP_OK: succeed
• ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
• ESP_ERR_INVALID_ARG: invalid argument
Parameters
• country: the configured country ISO code
• ieee80211d_enabled: 802.11d is enabled or not
esp_err_t esp_wifi_get_country_code(char *country)
get the current country code
Return
• ESP_OK: succeed
• ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
• ESP_ERR_INVALID_ARG: invalid argument
Parameters
• country: country code
esp_err_t esp_wifi_config_80211_tx_rate(wifi_interface_t ifx, wifi_phy_rate_t rate)
Config 80211 tx rate of specified interface.
Attention 1. This API should be called after esp_wifi_init() and before esp_wifi_start().
Return
• ESP_OK: succeed
• others: failed
Parameters
• ifx: Interface to be configured.
• rate: Phy rate to be configured.
Structures
struct wifi_init_config_t
WiFi stack configuration parameters passed to esp_wifi_init call.
Public Members
system_event_handler_t event_handler
WiFi event handler
wifi_osi_funcs_t *osi_funcs
WiFi OS functions
wpa_crypto_funcs_t wpa_crypto_funcs
WiFi station crypto functions when connect
int static_rx_buf_num
WiFi static RX buffer number
int dynamic_rx_buf_num
WiFi dynamic RX buffer number
int tx_buf_type
WiFi TX buffer type
int static_tx_buf_num
WiFi static TX buffer number
Espressif Systems 101
Submit Document Feedback
Release v4.4

Espressif ESP32-S2 Specifications

General

Brand	Espressif
Model	ESP32-S2
Category	Single board computers
Language	English