Espressif ESP32-S2 User Manual

Chapter 2. API Reference
unsigned __pad1__ : 16
reserved
unsigned mcs : 7
Modulation Coding Scheme. If is HT(11n) packet, shows the modulation, range from 0 to 76(MSC0 ~
MCS76)
unsigned cwb : 1
Channel Bandwidth of the packet. 0: 20MHz; 1: 40MHz
unsigned __pad2__ : 16
reserved
unsigned smoothing : 1
reserved
unsigned not_sounding : 1
reserved
unsigned __pad3__ : 1
reserved
unsigned aggregation : 1
Aggregation. 0: MPDU packet; 1: AMPDU packet
unsigned stbc : 2
Space Time Block Code(STBC). 0: non STBC packet; 1: STBC packet
unsigned fec_coding : 1
Flag is set for 11n packets which are LDPC
unsigned sgi : 1
Short Guide Interval(SGI). 0: Long GI; 1: Short GI
unsigned __pad4__ : 8
reserved
unsigned ampdu_cnt : 8
ampdu cnt
unsigned channel : 4
primary channel on which this packet is received
unsigned secondary_channel : 4
secondary channel on which this packet is received. 0: none; 1: above; 2: below
unsigned __pad5__ : 8
reserved
unsigned timestamp : 32
timestamp. The local time when this packet is received. It is precise only if modem sleep or light sleep
is not enabled. unit: microsecond
unsigned __pad6__ : 32
reserved
unsigned __pad7__ : 32
reserved
unsigned __pad8__ : 31
reserved
unsigned ant : 1
antenna number from which this packet is received. 0: WiFi antenna 0; 1: WiFi antenna 1
signed noise_floor : 8
noise floor of Radio Frequency Module(RF). unit: 0.25dBm
Espressif Systems 110
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Release v4.4

Espressif ESP32-S2 Specifications

General

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