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99 lines
2.6 KiB
C++
99 lines
2.6 KiB
C++
#pragma once
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//
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// FILE: AtomicWeight.h
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// AUTHOR: Rob Tillaart
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// DATE: 2022-03-09
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// VERSION: 0.2.1
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// PURPOSE: Arduino library for atomic weights
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// URL: https://github.com/RobTillaart/AtomicWeight
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#include "Arduino.h"
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#define ATOMIC_WEIGHT_LIB_VERSION (F("0.2.1"))
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#ifndef ATOMIC_WEIGHT_MAX_SPLIT_LIST
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#define ATOMIC_WEIGHT_MAX_SPLIT_LIST 20
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#endif
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// Miscellaneous related constants.
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const float AVOGADRO = 6.02214076e+23; // 1.0 / DALTON.
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const float DALTON = 1.66053907e-24; // weight in grams of one nucleon.
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const float ELEKTRON_VOLT_JOULE = 1.602176565e-19; // eV in Joule
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const float ELEKTRON_VOLT_GRAM = 1.7826619e-39; // eV in grams
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const float DALTON_EV = DALTON / ELEKTRON_VOLT_GRAM;
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const float DALTON_JOULE = DALTON / ELEKTRON_VOLT_JOULE;
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/////////////////////////////////////////////////////////////////////////
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//
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// PERIODIC TABLE OF ELEMENTS Class
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//
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class PTOE
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{
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public:
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PTOE(const uint8_t size = 118); // all by default
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uint8_t size();
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// BASIC
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char * name(const uint8_t el);
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uint8_t find(const char * abbrev);
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uint8_t electrons(const uint8_t el);
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uint8_t neutrons(const uint8_t el);
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uint8_t protons(const uint8_t el);
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// WEIGHT of one atom
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float weight(const uint8_t el);
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// if (el != NULL) weights one element in a formula, e.g el == "H"
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// if (el == NULL) weights the whole formula
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float weight(const char * formula, const char * abbrev = NULL);
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// mass percentage of one element in a formula.
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float massPercentage(const char * formula, const char * abbrev);
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// CONVERSION
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float moles2grams(const char * formula, float moles = 1.0);
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float grams2moles(const char * formula, float grams = 1.0);
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// SPLIT FORMULA IN ELEMENTS
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uint8_t splitElements(const char * formula);
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uint8_t element(uint8_t el);
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// COUNT
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// if (el != NULL) count atoms of one element in a formula, e.g el == "H"
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// if (el == NULL) count all atoms in the whole formula
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uint32_t count(const char * formula, const char * el = NULL);
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// atom percentage of one element in a formula.
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float atomPercentage(const char * formula, const char * el);
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// DEBUG
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float weightFactor();
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private:
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uint8_t _size;
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// if (el == NULL) ==> whole weight otherwise only of element.
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float _weight(char sep, const char * abbrev);
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uint32_t _count(const char sep, const char * abbrev);
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char *p; // for _weight() and _count()
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// for splitElements
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uint8_t _splitList[ATOMIC_WEIGHT_MAX_SPLIT_LIST]; // default 20
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uint8_t _found;
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};
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// -- END OF FILE --
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