XiaXiaotian e444a31e79 esp32: fix invalid channel state information(CSI) data index
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.
2019-01-22 20:43:36 +08:00
..
2018-05-03 18:20:16 +05:30