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# `EZWIFI`
`EZWIFI` is an ESP32 component for setting up Wi-Fi and collecting channel state information (CSI) from received frames.
## Usage
A node is configured as either an access point (AP) or a station (STA):
// Configure this node as an access point
setup_softap();
// ...or as a station
setup_station();
// Enable CSI collection, filtering on the sender's MAC address
setup_csi("AA:BB:CC:DD:EE:FF");
Once running, `is_wifi_connected()` reports connection status, and `get_csi()` returns a pointer to the most recently received CSI frame.
if (is_wifi_connected()) {
wifi_csi_info_t *csi = get_csi();
}
This was originally built for a two-node presence/activity-detection system, where one node ran as AP and the other as STA.
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