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/*
* EEZ Generic Firmware
* Copyright (C) 2018-present, Envox d.o.o.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#define INFINITY_SYMBOL "\x91"
#define DEGREE_SYMBOL "\x8a"
namespace eez {
// order of units should not be changed since it is used in DLOG files
enum Unit {
UNIT_UNKNOWN = 255,
UNIT_NONE = 0,
UNIT_VOLT,
UNIT_MILLI_VOLT,
UNIT_AMPER,
UNIT_MILLI_AMPER,
UNIT_MICRO_AMPER,
UNIT_WATT,
UNIT_MILLI_WATT,
UNIT_SECOND,
UNIT_MILLI_SECOND,
UNIT_CELSIUS,
UNIT_RPM,
UNIT_OHM,
UNIT_KOHM,
UNIT_MOHM,
UNIT_PERCENT,
UNIT_HERTZ,
UNIT_MILLI_HERTZ,
UNIT_KHERTZ,
UNIT_MHERTZ,
UNIT_JOULE,
UNIT_FARAD,
UNIT_MILLI_FARAD,
UNIT_MICRO_FARAD,
UNIT_NANO_FARAD,
UNIT_PICO_FARAD,
UNIT_MINUTE,
UNIT_VOLT_AMPERE,
UNIT_VOLT_AMPERE_REACTIVE,
UNIT_DEGREE,
UNIT_VOLT_PP,
UNIT_MILLI_VOLT_PP,
UNIT_AMPER_PP,
UNIT_MILLI_AMPER_PP,
UNIT_MICRO_AMPER_PP,
};
extern const char *g_unitNames[];
inline const char *getUnitName(Unit unit) {
if (unit == UNIT_UNKNOWN) {
return "";
}
return g_unitNames[unit];
}
Unit getUnitFromName(const char *unitName);
#if OPTION_SCPI
int getScpiUnit(Unit unit);
#endif
// for UNIT_MILLI_VOLT returns UNIT_VOLT, etc...
Unit getBaseUnit(Unit unit);
// returns 1.0 form UNIT_VOLT, returns 1E-3 for UNIT_MILLI_VOLT, 1E-6 for UNIT_MICRO_AMPER, 1E3 for UNIT_KOHM, etc
float getUnitFactor(Unit unit);
// if value is 0.01 and unit is UNIT_VOLT returns UNIT_MILLI_VOLT, etc
Unit findDerivedUnit(float value, Unit unit);
Unit getSmallerUnit(Unit unit, float min, float precision);
Unit getBiggestUnit(Unit unit, float max);
Unit getSmallestUnit(Unit unit, float min, float precision);
} // namespace eez