|
|
@@ -453,24 +453,26 @@ typedef struct {
|
|
|
signed rssi:8; /**< Received Signal Strength Indicator(RSSI) of packet. unit: dBm */
|
|
|
unsigned rate:5; /**< PHY rate encoding of the packet. Only valid for non HT(11bg) packet */
|
|
|
unsigned :1; /**< reserved */
|
|
|
- unsigned sig_mode:2; /**< 0: non HT(11bg) packet; 1: HT(11n) packet; 3: VHT(11ac) packet */
|
|
|
+ unsigned sig_mode:2; /**< Protocol of the reveived packet, 0: non HT(11bg) packet; 1: HT(11n) packet; 3: VHT(11ac) packet */
|
|
|
unsigned :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 :16; /**< reserved */
|
|
|
- unsigned smoothing:1; /**< reserved */
|
|
|
- unsigned not_sounding:1; /**< reserved */
|
|
|
+ unsigned smoothing:1; /**< Set to 1 indicates that channel estimate smoothing is recommended.
|
|
|
+ Set to 0 indicates that only per-carrierindependent (unsmoothed) channel estimate is recommended. */
|
|
|
+ unsigned not_sounding:1; /**< Set to 0 indicates that PPDU is a sounding PPDU. Set to 1indicates that the PPDU is not a sounding PPDU.
|
|
|
+ sounding PPDU is used for channel estimation by the request receiver */
|
|
|
unsigned :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 fec_coding:1; /**< Forward Error Correction(FEC). Flag is set for 11n packets which are LDPC */
|
|
|
unsigned sgi:1; /**< Short Guide Interval(SGI). 0: Long GI; 1: Short GI */
|
|
|
#if CONFIG_IDF_TARGET_ESP32
|
|
|
signed noise_floor:8; /**< noise floor of Radio Frequency Module(RF). unit: dBm*/
|
|
|
#elif CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C2
|
|
|
unsigned :8; /**< reserved */
|
|
|
#endif
|
|
|
- unsigned ampdu_cnt:8; /**< ampdu cnt */
|
|
|
+ unsigned ampdu_cnt:8; /**< the number of subframes aggregated in AMPDU */
|
|
|
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 :8; /**< reserved */
|
|
|
@@ -575,9 +577,9 @@ typedef struct {
|
|
|
wifi_pkt_rx_ctrl_t rx_ctrl;/**< received packet radio metadata header of the CSI data */
|
|
|
uint8_t mac[6]; /**< source MAC address of the CSI data */
|
|
|
uint8_t dmac[6]; /**< destination MAC address of the CSI data */
|
|
|
- bool first_word_invalid; /**< first four bytes of the CSI data is invalid or not */
|
|
|
- int8_t *buf; /**< buffer of CSI data */
|
|
|
- uint16_t len; /**< length of CSI data */
|
|
|
+ bool first_word_invalid; /**< first four bytes of the CSI data is invalid or not, true indicates the first four bytes is invalid due to hardware limition */
|
|
|
+ int8_t *buf; /**< valid buffer of CSI data */
|
|
|
+ uint16_t len; /**< valid length of CSI data */
|
|
|
} wifi_csi_info_t;
|
|
|
|
|
|
/**
|
zhangyanjiao