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