mayhem-firmware/firmware/common/units.hpp
Mark Thompson c6424f1623
Display degree symbol in TPMS, Sonde, and Temperature apps; disabled Font Viewer (#1388)
* Display degrees symbol; disable Font Viewer app to save ROM space
2023-08-20 11:14:22 +02:00

81 lines
1.8 KiB
C++

/*
* Copyright (C) 2016 Jared Boone, ShareBrained Technology, Inc.
*
* This file is part of PortaPack.
*
* 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 2, 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __UNITS_H__
#define __UNITS_H__
#include <cstdint>
#define STR_DEGREES_C "\xB0\x43" // ºC - 0xB0 is degree ° symbol in our 8x16 font, 0x43 is "C"
#define STR_DEGREES_F "\xB0\x46" // ºF - 0xB0 is degree ° symbol in our 8x16 font, 0x46 is "F"
namespace units {
class Pressure {
public:
constexpr Pressure()
: kpa_{0} {
}
constexpr Pressure(
const int kilopascal)
: kpa_{static_cast<int16_t>(kilopascal)} {
}
int kilopascal() const {
return kpa_;
}
int psi() const {
return kpa_ * 1000 / 6895;
}
private:
int16_t kpa_;
};
class Temperature {
public:
constexpr Temperature()
: c_{0} {
}
constexpr Temperature(
const int celsius)
: c_{static_cast<int16_t>(celsius)} {
}
int celsius() const {
return c_;
}
int fahrenheit() const {
return (c_ * 9 / 5) + 32;
}
private:
int16_t c_;
};
} /* namespace units */
#endif /*__UNITS_H__*/