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esp32: fix invalid channel state information(CSI) data index

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Due to a hardware limitation in ESP32, the first four bytes of some
    CSI data is invalid, not the last four bytes.

    Correct a mistake of CSI sub-carrier index in documentation.
This commit is contained in:
XiaXiaotian
2018-12-27 21:06:58 +08:00
parent 570e32915a
commit e444a31e79
3 changed files with 7 additions and 7 deletions
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2
components/esp32/include/esp_wifi_types.h
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@@ -405,7 +405,7 @@ typedef struct {
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 */
bool last_word_invalid; /**< last four bytes of the CSI data is invalid or not */
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 */
} wifi_csi_info_t;