45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
#ifndef EVSE_SESSION_H
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#define EVSE_SESSION_H
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#include <stdint.h>
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#include <stdbool.h>
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#include "freertos/FreeRTOS.h"
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#include "auth_types.h"
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/**
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* @brief Charging session statistics
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*/
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typedef struct {
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TickType_t start_tick; ///< tick when session began (debug/trace)
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uint32_t session_id; ///< monotonically increasing session identifier
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char tag[AUTH_TAG_MAX_LEN]; ///< RFID/auth tag associated with this session, empty if none
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uint32_t duration_s; ///< total duration in seconds (tempo real)
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uint32_t energy_wh; ///< total energy consumed in Wh (tempo real)
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uint32_t avg_power_w; ///< average power in W
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bool is_current; ///< true if session still in progress
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} evse_session_t;
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void evse_session_init(void);
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/**
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* @brief Stores the tag that authorized the next charging session.
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*
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* The tag is copied into the session when evse_session_start() is called.
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* Passing NULL or an empty string clears the pending tag.
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*/
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void evse_session_set_authorized_tag(const char *tag);
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void evse_session_clear_authorized_tag(void);
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void evse_session_start(void);
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void evse_session_end(void);
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/**
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* @brief Periodic tick: called (e.g., each 1s) to accumulate energy from instant power.
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* Implementação usa esp_timer (não assume 1s exato).
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*/
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void evse_session_tick(void);
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bool evse_session_get(evse_session_t *out);
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#endif // EVSE_SESSION_H
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