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62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
#pragma once
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//
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// FILE: weight.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.1
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// PURPOSE: Collection weight conversion functions
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// URL: https://github.com/RobTillaart/HX711
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//
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// HISTORY:
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// 0.1.0 2020-06-16 initial version
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// 0.1.1 2021-01-09 add uarduino-ci + unit test
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#include "Arduino.h"
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#define WEIGHT_LIB_VERSION (F("0.1.1"))
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float lbs2kilo(float lbs) { return lbs * 0.45359237; };
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float kilo2lbs(float kilos) { return kilos * 2.20462262; };
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float ounce2gram(float ounce) { return ounce * 28.3495231; };
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float gram2ounce(float gram) { return gram * 0.03527396195; };
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float gram2kilo(float gram) { return gram * 0.001; };
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float kilo2gram( float kilo) { return kilo * 1000; };
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float lbs2ounce(float lbs) { return lbs * 16; };
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float ounce2lbs(float ounce) { return ounce * 0.0625; };
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float stone2lbs(float stone) { return stone * 14; };
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float lbs2stone(float lbs) { return lbs * 0.0714285714; };
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float stone2kilo(float stone) { return stone * 6.35029318; };
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float kilo2stone(float kilo) { return kilo * 0.157473044; };
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// returns kilo
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float US2metric(float stone, float lbs, float ounce)
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{
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float kilo = stone * 6.35029318;
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kilo += lbs * 0.45359237;
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kilo += ounce * (0.0625 * 0.45359237);
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return kilo;
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};
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// returns lbs;
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float metric2US(float kilo, float &stone, float &lbs, float &ounce)
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{
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float val = kilo * 2.20462262;
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lbs = val;
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stone = int(lbs * 0.0714285714);
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lbs -= stone * 14;
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ounce = (lbs - int(lbs)) * 16;
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lbs = int(lbs);
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return val;
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}
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// -- END OF FILE --
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