#pragma once

#include <stdint.h>
#include "esp_err.h"
#include "esp_wifi.h"   // wifi_csi_info_t

// Initialize CSI log partition and erase it once per run.
esp_err_t csi_log_init(void);

// Append one CSI record to flash (header + CSI payload).
void csi_log_append_record(const wifi_csi_info_t *info);

// Dump all logged records as text lines over UART.
// Format:
//   CSI_DUMP_BEGIN <total_bytes>
//   R <seq> <ts_us> <rssi> <len> <hex...>
//   ...
//   CSI_DUMP_END
void csi_log_dump_over_uart(void);