FmtNumber.cpp File Reference

Functions
char *	fmtBase10 (char *str, uint16_t n)
char *	fmtBase10 (char *str, uint32_t n)
char *	fmtHex (char *str, uint32_t n)
char *	fmtSigned (char *str, int32_t num, uint8_t base, bool caps)
char *	fmtUnsigned (char *str, uint32_t num, uint8_t base, bool caps)
char *	fmtDouble (char *str, double num, uint8_t prec, bool altFmt)
char *	fmtDouble (char *str, double value, uint8_t prec, bool altFmt, char expChar)
float	scale10 (float v, int8_t n)
float	scanFloat (const char *str, const char **ptr)

Variables
static const double	powTen [] = {1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9}
static const double	rnd [] = {5e-1, 5e-2, 5e-3, 5e-4, 5e-5, 5e-6, 5e-7, 5e-8, 5e-9, 5e-10}
static const size_t	MAX_PREC = sizeof(powTen) / sizeof(powTen[0])
static const float m[]	PROGMEM = {1e-1, 1e-2, 1e-4, 1e-8, 1e-16, 1e-32}
static const float	m [] = {1e-1, 1e-2, 1e-4, 1e-8, 1e-16, 1e-32}
static const float	p [] = {1e+1, 1e+2, 1e+4, 1e+8, 1e+16, 1e+32}

Function Documentation

fmtBase10() [1/2]

char * fmtBase10	(	char *	str,
		uint16_t	n
	)

fmtBase10() [2/2]

char * fmtBase10	(	char *	str,
		uint32_t	n
	)

fmtDouble() [1/2]

char * fmtDouble	(	char *	str,
		double	num,
		uint8_t	prec,
		bool	altFmt
	)

fmtDouble() [2/2]

char * fmtDouble	(	char *	str,
		double	value,
		uint8_t	prec,
		bool	altFmt,
		char	expChar
	)

Print a number followed by a field terminator.

Parameters

[in]	value	The number to be printed.
[in]	ptr	Pointer to last char in buffer.
[in]	prec	Number of digits after decimal point.
[in]	expChar	Use exp format if non zero.

Returns

Pointer to first character of result.

fmtHex()

char * fmtHex	(	char *	str,
		uint32_t	n
	)

fmtSigned()

char * fmtSigned	(	char *	str,
		int32_t	num,
		uint8_t	base,
		bool	caps
	)

fmtUnsigned()

char * fmtUnsigned	(	char *	str,
		uint32_t	num,
		uint8_t	base,
		bool	caps
	)

scale10()

float scale10	(	float	v,
		int8_t	n
	)

scanFloat()

float scanFloat	(	const char *	str,
		const char **	ptr
	)

Variable Documentation

m

const float m[] = {1e-1, 1e-2, 1e-4, 1e-8, 1e-16, 1e-32}

static

MAX_PREC

const size_t MAX_PREC = sizeof(powTen) / sizeof(powTen[0])

static

p

static const float p = {1e+1, 1e+2, 1e+4, 1e+8, 1e+16, 1e+32}

static

powTen

const double powTen[] = {1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9}

static

PROGMEM

const float p [] PROGMEM = {1e-1, 1e-2, 1e-4, 1e-8, 1e-16, 1e-32}

static

rnd

const double rnd[] = {5e-1, 5e-2, 5e-3, 5e-4, 5e-5, 5e-6, 5e-7, 5e-8, 5e-9, 5e-10}

static