AirCube

//
// Serial Protocol Header
// JSON-based bidirectional communication over UART 0
//

#ifndef SERIAL_PROTOCOL_H
#define SERIAL_PROTOCOL_H

#include <stdint.h>
#include <stdbool.h>

// Initialize serial protocol
void serial_protocol_init(void);

// Send sensor data as JSON.
//   aqi   - canonical AirCube AQI (TVOC-derived, 0-500)
//   aqi_s - legacy ENS161 relative AQI-S (0-500)
//   aqi_uba - ENS161 UBA hygienic rating (1-5)
void serial_send_sensor_data(uint8_t ens210_status, float temperature_c, float humidity,
                             const char* ens16x_status_str, int etvoc, int eco2,
                             int aqi, int aqi_s, int aqi_uba);

// Process incoming commands (call periodically)
void serial_process_commands(void);

// Send history info as JSON
void serial_send_history_info(void);

// Send a page of history data as JSON
void serial_send_history_page(uint16_t start, uint16_t count);

// Clear history and send confirmation
void serial_send_history_clear(void);

#endif // SERIAL_PROTOCOL_H