r""" Fit a complex sinusoid (amplitude, phase offset, and linear phase slope) to CSI data along the subcarrier axis (last dimension). Eac

Reimplementation of ESP32-C61 ``ftm_get_phy_comp`` from the Wi-Fi blob. This raw-units version is kept as a reference to the recovered origi

Interpret an 8-bit gain value reported in ``rx_ctrl`` as signed. The hardware stores gain fields as bytes. RX gain normally lives in the

Returns the wavelength of the provided subcarrier frequencies on a cable with the given velocity factors. :param frequencies: The frequencie

Fetches receiver CFO correction configuration from the ESPARGOS controller.

Compute the CFO value (in Hz) from a `wifi_pkt_rx_ctrl_v3_t` byte buffer. This was reverse engineered from librftest.a (bb_common.o) and lib

Fetches the current CSI acquisition configuration from the ESPARGOS controller. :return: CSI acquisition configuration dict

Returns the frequencies of the subcarriers in a 2.4 GHz 802.11ax HE20 channel. The raw HE-LTF reported by the ESP32-C61 covers subcarrier in

Returns the frequencies of the subcarriers in an 2.4GHz 802.11n 20MHz wide WiFi channel. :param primary_channel: The primary channel number

Returns the frequencies of the subcarriers in an HT40 2.4GHz WiFi channel. :param primary_channel: The primary channel number. :param sec

Returns the frequencies of the subcarriers in an 2.4GHz 802.11g 20MHz wide WiFi channel. :param primary_channel: The primary channel number

Return the PHY reciprocity delay used to align TX/RX FTM timestamps. This is the same compensation modeled by :func:`ftm_get_phy_comp`, but

Fetches the current gain settings from the ESPARGOS controller. :return: Gain settings dict :raises EspargosUnexpectedRespon

Get the raw 12-byte ESP32-C61 PHY gain-table entry used for each received packet.

Return a mask indicating whether a raw gain-table entry was reported for each sensor.

Retrieve the latest value for a key in the ringbuffer. :param key: Key of the data to retrieve :return: Latest value, or Non

Returns the current logging level of the logger.

Fetches the current MAC filter configuration from the ESPARGOS controller. The returned JSON/dict matches what is configured via :me

Get the noise floor of the WiFi packet. :return: The noise floor of the WiFi packet

Fetches the current low-level radar TX configuration from the ESPARGOS controller. The returned dict mirrors the controller's ``/get

Fetches the current RF switch state from the ESPARGOS controller. :return: The current RF switch state as one of :class:`csi.rfswitc

Get the secondary channel number. :return: The secondary channel number

Get the sequence control field of the WiFi packet. :return: The sequence control field of the WiFi packet

Get collected statistics about the pool.

Fetches the current per-sensor WiFi channel overrides from the ESPARGOS controller. :return: Per-sensor WiFi channel override settin

Fetches the current WiFi configuration from the ESPARGOS controller. The returned JSON/dict uses the same hyphenated keys as accepte

Fill the three HT40 gap subcarriers between primary and secondary channel in place. :param csi_ht40: Complex HT40-LTF CSI array. The last di

Check whether this cluster corresponds to a calibration packet.

Parse the configuration file for demos that use combined array. :param config_dict: The configuration dictionary to parse. :return index