#pragma once enum pressure_unit { PRESSURE_UNIT_HPA, PRESSURE_UNIT_INHG, PRESSURE_UNIT_MAX }; enum altitude_unit { ALTITUDE_UNIT_METRE, ALTITUDE_UNIT_FT, ALTITUDE_UNIT_MAX }; float data_manager_get_setting(enum pressure_unit); float data_manager_get_pressure(enum pressure_unit); void data_manager_init(void); void data_manager_tick(void);