#pragma once

#include "esp_err.h"

typedef enum {
    RS232_PORT_OWNER_NONE,
    RS232_PORT_OWNER_PHASE0,
    RS232_PORT_OWNER_SERVICE,
    RS232_PORT_OWNER_FAULT,
} rs232_port_owner_t;

esp_err_t rs232_port_owner_init(void);
esp_err_t rs232_port_claim(rs232_port_owner_t owner);
esp_err_t rs232_port_release(rs232_port_owner_t owner);
void rs232_port_mark_fault(rs232_port_owner_t previous_owner);
rs232_port_owner_t rs232_port_get_owner(void);
const char *rs232_port_owner_to_string(rs232_port_owner_t owner);