GY-63_MS5611/libraries/printHelpers/printHelpers.h
2022-11-22 15:52:32 +01:00

81 lines
1.9 KiB
C

#pragma once
//
// FILE: printHelpers.h
// AUTHOR: Rob Tillaart
// DATE: 2018-01-21
// VERSION: 0.2.5
// PUPROSE: Arduino library to help formatting for printing.
// URL: https://github.com/RobTillaart/printHelpers
#include "Arduino.h"
#include "stdlib.h"
#define PRINTHELPERS_VERSION (F("0.2.5"))
// global buffer used by all functions so no static buffer in every function
// is needed ==> results need to be printed/copied asap
// not usable in multi-threading environments (use with care)
//
// 24 is a pretty safe minimum
#ifndef PRINTBUFFERSIZE
#define PRINTBUFFERSIZE 66
#endif
////////////////////////////////////////////////////////////
//
// PRINT 64 BIT
//
// print64 note
// buffer size 66 will work for base 2 -36
// buffer size 34 will work for base 4 -36
// buffer size 24 will work for base 8 -36
// buffer size 22 will work for base 10 - 36
char * print64(int64_t value, uint8_t base = 10);
char * print64(uint64_t value, uint8_t base = 10);
////////////////////////////////////////////////////////////
//
// SCIENTIFIC NOTATIION
//
// typical buffer size for 8 byte double is 22 bytes
// 15 bytes mantissa, sign dot E-xxx
// em = exponentMultiple.
char * scieng(double value, uint8_t decimals, uint8_t em);
char * eng(double value, uint8_t decimals);
char * sci(double value, uint8_t decimals);
void sci(Stream &str, double value, uint8_t decimals);
////////////////////////////////////////////////////////////
//
// toBytes
//
// official support to UDA == 1024^12
// kilo mega giga tera peta exa (1024^6)
// zetta yotta xona weka vunda uda (1024^12)
//
// (treda Byte == TDB is the next one and it is 2 char
// so code wise difficult and as it is seldom used, support stops there.
//
// To have some support the code uses lowercase for the next 8 levels
// treda sorta rinta quexa pepta ocha nena minga luma (1024 ^21 ~~ 10^63)
char * toBytes(double value, uint8_t decimals = 2);
// -- END OF FILE --