Espressif ESP32-S2 User Manual

Chapter 2. API Reference
WIFI_REASON_IE_IN_4WAY_DIFFERS = 17
WIFI_REASON_GROUP_CIPHER_INVALID = 18
WIFI_REASON_PAIRWISE_CIPHER_INVALID = 19
WIFI_REASON_AKMP_INVALID = 20
WIFI_REASON_UNSUPP_RSN_IE_VERSION = 21
WIFI_REASON_INVALID_RSN_IE_CAP = 22
WIFI_REASON_802_1X_AUTH_FAILED = 23
WIFI_REASON_CIPHER_SUITE_REJECTED = 24
WIFI_REASON_INVALID_PMKID = 53
WIFI_REASON_BEACON_TIMEOUT = 200
WIFI_REASON_NO_AP_FOUND = 201
WIFI_REASON_AUTH_FAIL = 202
WIFI_REASON_ASSOC_FAIL = 203
WIFI_REASON_HANDSHAKE_TIMEOUT = 204
WIFI_REASON_CONNECTION_FAIL = 205
WIFI_REASON_AP_TSF_RESET = 206
WIFI_REASON_ROAMING = 207
enum wifi_second_chan_t
Values:
WIFI_SECOND_CHAN_NONE = 0
the channel width is HT20
WIFI_SECOND_CHAN_ABOVE
the channel width is HT40 and the secondary channel is above the primary channel
WIFI_SECOND_CHAN_BELOW
the channel width is HT40 and the secondary channel is below the primary channel
enum wifi_scan_type_t
Values:
WIFI_SCAN_TYPE_ACTIVE = 0
active scan
WIFI_SCAN_TYPE_PASSIVE
passive scan
enum wifi_cipher_type_t
Values:
WIFI_CIPHER_TYPE_NONE = 0
the cipher type is none
WIFI_CIPHER_TYPE_WEP40
the cipher type is WEP40
WIFI_CIPHER_TYPE_WEP104
the cipher type is WEP104
WIFI_CIPHER_TYPE_TKIP
the cipher type is TKIP
WIFI_CIPHER_TYPE_CCMP
the cipher type is CCMP
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Release v4.4

Espressif ESP32-S2 Specifications

General

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