/**

* @file power_mgmt.h

* @brief Power management for battery-powered ESP32-S3 CSI nodes.

*

* Implements light sleep between CSI collection bursts to reduce

* power consumption for battery-powered deployments.

*/

#ifndef POWER_MGMT_H

#define POWER_MGMT_H

#include <stdint.h>

#include "esp_err.h"

/**

* Initialize power management.

* Configures automatic light sleep when WiFi is idle.

*

* @param duty_cycle_pct Active duty cycle percentage (10-100).

* 100 = always on (default behavior).

* 50 = active 50% of the time.

* @return ESP_OK on success.

*/

esp_err_t power_mgmt_init(uint8_t duty_cycle_pct);

/**

* Get current power management statistics.

*

* @param active_ms Output: total active time in ms.

* @param sleep_ms Output: total sleep time in ms.

* @param wake_count Output: number of wake events.

*/

void power_mgmt_stats(uint32_t *active_ms, uint32_t *sleep_ms, uint32_t *wake_count);

#endif /* POWER_MGMT_H */