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BAT_Arduino_RawHidDevice/lib/McuLib/McuUtility.c

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/* ###################################################################
** This component module is generated by Processor Expert. Do not modify it.
** Filename : McuUtility.h
** Project : FRDM-K64F_Generator
** Processor : MK64FN1M0VLL12
** Component : Utility
** Version : Component 01.171, Driver 01.00, CPU db: 3.00.000
** Compiler : GNU C Compiler
** Date/Time : 2022-07-06, 11:44, # CodeGen: 778
** Abstract :
** Contains various utility functions.
** Settings :
** Component name : McuUtility
** Contents :
** SkipSpaces - void McuUtility_SkipSpaces(const unsigned char **str);
** strcpy - void McuUtility_strcpy(uint8_t *dst, size_t dstSize, const unsigned char *src);
** strcat - void McuUtility_strcat(uint8_t *dst, size_t dstSize, const unsigned char *src);
** strcatPad - void McuUtility_strcatPad(uint8_t *dst, size_t dstSize, const unsigned char...
** chcat - void McuUtility_chcat(uint8_t *dst, size_t dstSize, uint8_t ch);
** Num8sToStr - void McuUtility_Num8sToStr(uint8_t *dst, size_t dstSize, signed char val);
** Num8uToStr - void McuUtility_Num8uToStr(uint8_t *dst, size_t dstSize, uint8_t val);
** Num16sToStr - void McuUtility_Num16sToStr(uint8_t *dst, size_t dstSize, int16_t val);
** Num16uToStr - void McuUtility_Num16uToStr(uint8_t *dst, size_t dstSize, uint16_t val);
** Num32uToStr - void McuUtility_Num32uToStr(uint8_t *dst, size_t dstSize, uint32_t val);
** Num32sToStr - void McuUtility_Num32sToStr(uint8_t *dst, size_t dstSize, int32_t val);
** NumFloatToStr - void McuUtility_NumFloatToStr(uint8_t *dst, size_t dstSize, float val,...
** Num16sToStrFormatted - void McuUtility_Num16sToStrFormatted(uint8_t *dst, size_t dstSize, int16_t...
** Num16uToStrFormatted - void McuUtility_Num16uToStrFormatted(uint8_t *dst, size_t dstSize, uint16_t...
** Num32uToStrFormatted - void McuUtility_Num32uToStrFormatted(uint8_t *dst, size_t dstSize, uint32_t...
** Num32sToStrFormatted - void McuUtility_Num32sToStrFormatted(uint8_t *dst, size_t dstSize, int32_t...
** strcatNum8u - void McuUtility_strcatNum8u(uint8_t *dst, size_t dstSize, uint8_t val);
** strcatNum8s - void McuUtility_strcatNum8s(uint8_t *dst, size_t dstSize, signed char val);
** strcatNum16u - void McuUtility_strcatNum16u(uint8_t *dst, size_t dstSize, uint16_t val);
** strcatNum16s - void McuUtility_strcatNum16s(uint8_t *dst, size_t dstSize, int16_t val);
** strcatNum32u - void McuUtility_strcatNum32u(uint8_t *dst, size_t dstSize, uint32_t val);
** strcatNum32s - void McuUtility_strcatNum32s(uint8_t *dst, size_t dstSize, int32_t val);
** strcatNum16uFormatted - void McuUtility_strcatNum16uFormatted(uint8_t *dst, size_t dstSize, uint16_t...
** strcatNum16sFormatted - void McuUtility_strcatNum16sFormatted(uint8_t *dst, size_t dstSize, int16_t...
** strcatNum32uFormatted - void McuUtility_strcatNum32uFormatted(uint8_t *dst, size_t dstSize, uint32_t...
** strcatNum32sFormatted - void McuUtility_strcatNum32sFormatted(uint8_t *dst, size_t dstSize, int32_t...
** strcatNumHex - void McuUtility_strcatNumHex(uint8_t *dst, size_t dstSize, uint32_t num,...
** strcatNum8Hex - void McuUtility_strcatNum8Hex(uint8_t *dst, size_t dstSize, uint8_t num);
** strcatNum16Hex - void McuUtility_strcatNum16Hex(uint8_t *dst, size_t dstSize, uint16_t num);
** strcatNum24Hex - void McuUtility_strcatNum24Hex(uint8_t *dst, size_t dstSize, uint32_t num);
** strcatNum32Hex - void McuUtility_strcatNum32Hex(uint8_t *dst, size_t dstSize, uint32_t num);
** strcatNum32sDotValue100 - void McuUtility_strcatNum32sDotValue100(uint8_t *dst, size_t dstSize, int32_t...
** strcatNumFloat - void McuUtility_strcatNumFloat(uint8_t *dst, size_t dstSize, float val,...
** IsLeapYear - bool McuUtility_IsLeapYear(uint16_t year);
** WeekDay - uint8_t McuUtility_WeekDay(uint16_t year, uint8_t month, uint8_t day);
** ReadEscapedName - uint8_t McuUtility_ReadEscapedName(const unsigned char *filename, uint8_t...
** xatoi - uint8_t McuUtility_xatoi(const unsigned char **str, int32_t *res);
** ScanDate - uint8_t McuUtility_ScanDate(const unsigned char **str, uint8_t *day, uint8_t...
** ScanTime - uint8_t McuUtility_ScanTime(const unsigned char **str, uint8_t *hour, uint8_t...
** ScanDecimal8uNumber - uint8_t McuUtility_ScanDecimal8uNumber(const unsigned char **str, uint8_t *val);
** ScanDecimal8sNumber - uint8_t McuUtility_ScanDecimal8sNumber(const unsigned char **str, signed char...
** ScanDecimal16uNumber - uint8_t McuUtility_ScanDecimal16uNumber(const unsigned char **str, uint16_t...
** ScanDecimal16sNumber - uint8_t McuUtility_ScanDecimal16sNumber(const unsigned char **str, int16_t...
** ScanDecimal32uNumber - uint8_t McuUtility_ScanDecimal32uNumber(const unsigned char **str, uint32_t...
** ScanDecimal32sNumber - uint8_t McuUtility_ScanDecimal32sNumber(const unsigned char **str, int32_t...
** ScanDecimal32sDotNumber - uint8_t McuUtility_ScanDecimal32sDotNumber(const unsigned char **str, int32_t...
** ScanHex8uNumber - uint8_t McuUtility_ScanHex8uNumber(const unsigned char **str, uint8_t *val);
** ScanHex8uNumberNoPrefix - uint8_t McuUtility_ScanHex8uNumberNoPrefix(const unsigned char **str, uint8_t...
** ScanHex16uNumber - uint8_t McuUtility_ScanHex16uNumber(const unsigned char **str, uint16_t *val);
** ScanHex32uNumber - uint8_t McuUtility_ScanHex32uNumber(const unsigned char **str, uint32_t *val);
** ScanSeparatedNumbers - uint8_t McuUtility_ScanSeparatedNumbers(const unsigned char **str, uint8_t...
** ScanDoubleQuotedString - uint8_t McuUtility_ScanDoubleQuotedString(const uint8_t **cmd, uint8_t *buf,...
** ScanRGB - uint8_t McuUtility_ScanRGB(const unsigned char **str, uint8_t *r, uint8_t *g,...
** ScanWRGB - uint8_t McuUtility_ScanWRGB(const unsigned char **str, uint8_t *w, uint8_t...
** ScanRGB32 - uint8_t McuUtility_ScanRGB32(const unsigned char **str, uint32_t *rgb);
** ScanWRGB32 - uint8_t McuUtility_ScanWRGB32(const unsigned char **str, uint32_t *rgbw);
** strcmp - int16_t McuUtility_strcmp(const char *, const char *);
** strncmp - int16_t McuUtility_strncmp(const char *, const char *, size_t size);
** strFind - int16_t McuUtility_strFind(uint8_t *str, uint8_t *subStr);
** strtailcmp - uint8_t McuUtility_strtailcmp(const uint8_t *str, const uint8_t *tail);
** strlen - uint16_t McuUtility_strlen(const char *);
** strCutTail - uint8_t McuUtility_strCutTail(uint8_t *str, uint8_t *tail);
** GetValue16LE - uint16_t McuUtility_GetValue16LE(uint8_t *dataP);
** GetValue24LE - uint32_t McuUtility_GetValue24LE(uint8_t *dataP);
** GetValue32LE - uint32_t McuUtility_GetValue32LE(uint8_t *dataP);
** SetValue16LE - void McuUtility_SetValue16LE(uint16_t data, uint8_t *dataP);
** SetValue24LE - void McuUtility_SetValue24LE(uint32_t data, uint8_t *dataP);
** SetValue32LE - void McuUtility_SetValue32LE(uint32_t data, uint8_t *dataP);
** map - int32_t McuUtility_map(int32_t x, int32_t in_min, int32_t in_max, int32_t...
** map64 - int64_t McuUtility_map64(int64_t x, int64_t in_min, int64_t in_max, int64_t...
** constrain - int32_t McuUtility_constrain(int32_t val, int32_t min, int32_t max);
** random - int32_t McuUtility_random(int32_t min, int32_t max);
** randomSetSeed - void McuUtility_randomSetSeed(unsigned int seed);
** Deinit - void McuUtility_Deinit(void);
** Init - void McuUtility_Init(void);
**
** * Copyright (c) 2014-2022, Erich Styger
** * Web: https://mcuoneclipse.com
** * SourceForge: https://sourceforge.net/projects/mcuoneclipse
** * Git: https://github.com/ErichStyger/McuOnEclipse_PEx
** * All rights reserved.
** *
** * Redistribution and use in source and binary forms, with or without modification,
** * are permitted provided that the following conditions are met:
** *
** * - Redistributions of source code must retain the above copyright notice, this list
** * of conditions and the following disclaimer.
** *
** * - Redistributions in binary form must reproduce the above copyright notice, this
** * list of conditions and the following disclaimer in the documentation and/or
** * other materials provided with the distribution.
** *
** * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
** * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
** * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
** * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
** * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
** * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
** * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
** * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
** * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
** ###################################################################*/
/*!
** @file McuUtility.h
** @version 01.00
** @brief
** Contains various utility functions.
*/
/*!
** @addtogroup McuUtility_module McuUtility module documentation
** @{
*/
/* MODULE McuUtility. */
#include "McuUtility.h"
#include <stdlib.h> /* for rand() */
#include <stdint.h>
/* Internal method prototypes */
static void ShiftRightAndFill(uint8_t *dst, uint8_t fill, uint8_t nofFill);
/*
** ===================================================================
** Method : strcpy (component Utility)
**
** Description :
** Same as normal strcpy, but safe as it does not write beyond
** the buffer.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** * src - Pointer to source string.
** Returns : Nothing
** ===================================================================
*/
/*!
\brief copy the string src into dst. It performs the same task as strncpy, except
- always terminates the result string.
- does not zero out the remaining part in dst.
Note: dstSize is the size of dst INCLUDING zero byte.
Precondition: src, dst != NULL
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize The size of the buffer, including the zero byte
\param[in] src The source string to copy
*/
void McuUtility_strcpy(uint8_t *dst, size_t dstSize, const unsigned char *src)
{
dstSize--; /* for zero byte */
while (dstSize > 0 && *src != '\0') {
*dst++ = *src++;
dstSize--;
}
*dst = '\0';
}
/*
** ===================================================================
** Method : strcat (component Utility)
**
** Description :
** Same as normal strcat, but safe as it does not write beyond
** the buffer.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** * src - Pointer to source string.
** Returns : Nothing
** ===================================================================
*/
/*!
\brief Concat the string src into dst. Always terminates the result string.
Note: count is the size of dst INCLUDING zero byte.
Precondition: src, dst != NULL
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize The size of the buffer, including the zero byte
\param[in] src The source string to add
*/
void McuUtility_strcat(uint8_t *dst, size_t dstSize, const unsigned char *src)
{
dstSize--; /* for zero byte */
/* point to the end of the source */
while (dstSize > 0 && *dst != '\0') {
dst++;
dstSize--;
}
/* copy the src in the destination */
while (dstSize > 0 && *src != '\0') {
*dst++ = *src++;
dstSize--;
}
/* terminate the string */
*dst = '\0';
}
/*
** ===================================================================
** Method : chcat (component Utility)
**
** Description :
** Adds a single character to a zero byte terminated string
** buffer. It cares about buffer overflow.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** ch - character to append
** Returns : Nothing
** ===================================================================
*/
void McuUtility_chcat(uint8_t *dst, size_t dstSize, uint8_t ch)
{
dstSize--; /* for zero byte */
/* point to the end of the source */
while (dstSize > 0 && *dst != '\0') {
dst++;
dstSize--;
}
/* copy the ch in the destination */
if (dstSize > 0) {
*dst++ = ch;
}
/* terminate the string */
*dst = '\0';
}
/*
** ===================================================================
** Method : Num8uToStr (component Utility)
**
** Description :
** Converts an unsigned 8bit value into a string.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to be converted.
** Returns : Nothing
** ===================================================================
*/
/*!
\brief Converts an 8bit unsigned number into a string.
\param[in,out] dst String buffer to store the number.
\param[in] dstSize Size of the destination buffer in uint8_ts.
\param[in] val 8bit unsigned number to convert.
*/
void McuUtility_Num8uToStr(uint8_t *dst, size_t dstSize, uint8_t val)
{
McuUtility_Num16uToStr(dst, dstSize, (uint16_t)val);
}
/*
** ===================================================================
** Method : Num8sToStr (component Utility)
**
** Description :
** Converts a signed 8bit value into a string.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to be converted.
** Returns : Nothing
** ===================================================================
*/
/*!
\brief Converts an 8bit signed number into a string.
\param[in,out] dst String buffer to store the number.
\param[in] dstSize Size of the destination buffer in uint8_ts.
\param[in] val 8bit signed number to convert.
*/
void McuUtility_Num8sToStr(uint8_t *dst, size_t dstSize, signed char val)
{
McuUtility_Num16sToStr(dst, dstSize, (int16_t)val);
}
/*
** ===================================================================
** Method : Num16uToStr (component Utility)
**
** Description :
** Converts a signed 16bit value into a string.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to be converted.
** Returns : Nothing
** ===================================================================
*/
/*!
\brief Converts a 16bit unsigned number into a string.
\param[in,out] dst String buffer to store the number.
\param[in] dstSize Size of the destination buffer in uint8_ts.
\param[in] val 16bit unsigned number to convert.
*/
void McuUtility_Num16uToStr(uint8_t *dst, size_t dstSize, uint16_t val)
{
unsigned char *ptr = ((unsigned char *)dst);
unsigned char i=0, j;
unsigned char tmp;
dstSize--; /* for zero byte */
if (val == 0 && dstSize > 0){
ptr[i++] = '0';
dstSize--;
}
while (val > 0 && dstSize > 0) {
ptr[i++] = (unsigned char)((val % 10) + '0');
dstSize--;
val /= 10;
}
for(j=0; j<(i/2); j++) { /* swap buffer */
tmp = ptr[j];
ptr[j] = ptr[(i-j)-1];
ptr[(i-j)-1] = tmp;
}
ptr[i] = '\0';
}
/*
** ===================================================================
** Method : Num16sToStr (component Utility)
**
** Description :
** Converts a signed 16bit value into a string.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to be converted.
** Returns : Nothing
** ===================================================================
*/
/*!
\brief Converts a 16bit signed number into a string.
\param[in,out] dst String buffer to store the number.
\param[in] dstSize Size of the destination buffer in uint8_ts.
\param[in] val 16bit signed number to convert.
*/
void McuUtility_Num16sToStr(uint8_t *dst, size_t dstSize, int16_t val)
{
unsigned char *ptr = ((unsigned char *)dst);
unsigned char i=0, j;
unsigned char tmp;
unsigned char sign = (unsigned char)(val < 0);
if (val==(int16_t)(0x8000)) { /* special case 0x8000/-32768: prevent overflow below. */
McuUtility_strcpy(dst, dstSize, (unsigned char*)"-32768");
return;
}
dstSize--; /* for zero byte */
if (sign) {
val = (int16_t)(-val);
}
if (val == 0 && dstSize > 0){
ptr[i++] = '0';
dstSize--;
}
while (val > 0 && dstSize > 0) {
ptr[i++] = (unsigned char)((val % 10) + '0');
dstSize--;
val /= 10;
}
if (sign && dstSize > 0){
ptr[i++] = '-';
}
for(j=0; j<(i/2); j++) { /* swap buffer */
tmp = ptr[j];
ptr[j] = ptr[(i-j)-1];
ptr[(i-j)-1] = tmp;
}
ptr[i] = '\0';
}
/*
** ===================================================================
** Method : ShiftRightAndFill (component Utility)
**
** Description :
** This method is internal. It is used by Processor Expert only.
** ===================================================================
*/
static void ShiftRightAndFill(uint8_t *dst, uint8_t fill, uint8_t nofFill)
{
signed char i, j;
j = 0;
while(dst[j] != '\0') {
j++;
}
i = (signed char)nofFill;
if (i==j) {
/* nothing to do, we are done */
} else if (i>j) {
while (j>=0) {
dst[i] = dst[j];
i--; j--;
}
while(i>=0) {
dst[i] = fill;
i--;
}
} else {
/* hmmm, not enough space, return what we have, do nothing */
}
}
/*
** ===================================================================
** Method : Num16sToStrFormatted (component Utility)
**
** Description :
** Converts a 16bit signed value to string.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to convert.
** fill - Fill character
** nofFill - Number of fill characters
** Returns : Nothing
** ===================================================================
*/
/*!
\brief Converts a 16bit signed number to a string, in a formatted way (like printf with "%0d").
Always terminates the result string.
Note: count is the size of dst INCLUDING zero byte.
Precondition: src, dst != NULL
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize Size of the destination buffer, in uint8_ts.
\param[in] val The 16bit signed number to add
\param[in] fill Fill character, typically ' ' (like for "%2d" or '0' (for "%02d")
\param[in] nofFill Size for the format (right aligned) string, e.g. '2' for "%2d"
*/
void McuUtility_Num16sToStrFormatted(uint8_t *dst, size_t dstSize, int16_t val, char fill, uint8_t nofFill)
{
McuUtility_Num16sToStr(dst, dstSize, val);
ShiftRightAndFill(dst, fill, nofFill);
}
/*
** ===================================================================
** Method : Num16uToStrFormatted (component Utility)
**
** Description :
** Converts a 16bit unsigned value to string.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to convert.
** fill - Fill character
** nofFill - Number of fill characters
** Returns : Nothing
** ===================================================================
*/
/*!
\brief Converts a 16bit unsigned number to a string, in a formatted way (like printf with "%0d").
Always terminates the result string.
Note: count is the size of dst INCLUDING zero byte.
Precondition: src, dst != NULL
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize Size of the destination buffer, in uint8_ts.
\param[in] val The 16bit unsigned number to add
\param[in] fill Fill character, typically ' ' (like for "%2d" or '0' (for "%02d")
\param[in] nofFill Size for the format (right aligned) string, e.g. '2' for "%2d"
*/
void McuUtility_Num16uToStrFormatted(uint8_t *dst, size_t dstSize, uint16_t val, char fill, uint8_t nofFill)
{
McuUtility_Num16uToStr(dst, dstSize, val);
ShiftRightAndFill(dst, fill, nofFill);
}
/*
** ===================================================================
** Method : Num32uToStrFormatted (component Utility)
**
** Description :
** Converts a 32bit unsigned value to string.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to convert.
** fill - Fill character
** nofFill - Number of fill characters
** Returns : Nothing
** ===================================================================
*/
/*!
\brief Converts a 32bit unsigned number to a string, in a formatted way (like printf with "%0d").
Always terminates the result string.
Note: count is the size of dst INCLUDING zero byte.
Precondition: src, dst != NULL
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize Size of the destination buffer, in uint8_ts.
\param[in] val The 32bit unsigned number to add
\param[in] fill Fill character, typically ' ' (like for "%2d" or '0' (for "%02d")
\param[in] nofFill Size for the format (right aligned) string, e.g. '2' for "%2d"
*/
void McuUtility_Num32uToStrFormatted(uint8_t *dst, size_t dstSize, uint32_t val, char fill, uint8_t nofFill)
{
McuUtility_Num32uToStr(dst, dstSize, val);
ShiftRightAndFill(dst, fill, nofFill);
}
/*
** ===================================================================
** Method : Num32sToStrFormatted (component Utility)
**
** Description :
** Converts a 32bit signed value to string.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to convert.
** fill - Fill character
** nofFill - Number of fill characters
** Returns : Nothing
** ===================================================================
*/
/*!
\brief Converts a 32bit signed number to a string, in a formatted way (like printf with "%0d").
Always terminates the result string.
Note: count is the size of dst INCLUDING zero byte.
Precondition: src, dst != NULL
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize Size of the destination buffer, in uint8_ts.
\param[in] val The 32bit signed number to add
\param[in] fill Fill character, typically ' ' (like for "%2d" or '0' (for "%02d")
\param[in] nofFill Size for the format (right aligned) string, e.g. '2' for "%2d"
*/
void McuUtility_Num32sToStrFormatted(uint8_t *dst, size_t dstSize, int32_t val, char fill, uint8_t nofFill)
{
McuUtility_Num32sToStr(dst, dstSize, val);
ShiftRightAndFill(dst, fill, nofFill);
}
/*
** ===================================================================
** Method : strcatNum8u (component Utility)
**
** Description :
** Appends a 8bit unsigned value to a string buffer.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to convert.
** Returns : Nothing
** ===================================================================
*/
/*!
\brief appends a 8bit unsigned number to a string. Always terminates the result string.
Note: count is the size of dst INCLUDING zero byte.
Precondition: src, dst != NULL
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize The size of the buffer, including the zero byte
\param[in] val The 8bit unsigned number to add
*/
void McuUtility_strcatNum8u(uint8_t *dst, size_t dstSize, uint8_t val)
{
unsigned char buf[sizeof("256")]; /* maximum buffer size we need */
McuUtility_Num8uToStr(buf, sizeof(buf), val);
McuUtility_strcat(dst, dstSize, buf);
}
/*
** ===================================================================
** Method : strcatNum8s (component Utility)
**
** Description :
** Appends a 8bit signed value to a string buffer.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to convert.
** Returns : Nothing
** ===================================================================
*/
/*!
\brief appends a 8bit signed number to a string. Always terminates the result string.
Note: count is the size of dst INCLUDING zero byte.
Precondition: src, dst != NULL
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize The size of the buffer, including the zero byte
\param[in] val The 8bit signed number to add
*/
void McuUtility_strcatNum8s(uint8_t *dst, size_t dstSize, signed char val)
{
unsigned char buf[sizeof("-128")]; /* maximum buffer size we need */
McuUtility_Num8sToStr(buf, sizeof(buf), val);
McuUtility_strcat(dst, dstSize, buf);
}
/*
** ===================================================================
** Method : strcatNum16u (component Utility)
**
** Description :
** Appends a 16bit unsigned value to a string buffer.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to convert.
** Returns : Nothing
** ===================================================================
*/
/*!
\brief appends a 16bit unsigned number to a string. Always terminates the result string.
Note: count is the size of dst INCLUDING zero byte.
Precondition: src, dst != NULL
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize The size of the buffer, including the zero byte
\param[in] val The 16bit unsigned number to add
*/
void McuUtility_strcatNum16u(uint8_t *dst, size_t dstSize, uint16_t val)
{
unsigned char buf[sizeof("32768")]; /* maximum buffer size we need */
McuUtility_Num16uToStr(buf, sizeof(buf), val);
McuUtility_strcat(dst, dstSize, buf);
}
/*
** ===================================================================
** Method : strcatNum16s (component Utility)
**
** Description :
** Appends a 16bit signed value to a string buffer.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to convert.
** Returns : Nothing
** ===================================================================
*/
/*!
\brief appends a 16bit signed number to a string. Always terminates the result string.
Note: count is the size of dst INCLUDING zero byte.
Precondition: src, dst != NULL
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize The size of the buffer, including the zero byte
\param[in] val The 16bit signed number to add
*/
void McuUtility_strcatNum16s(uint8_t *dst, size_t dstSize, int16_t val)
{
unsigned char buf[sizeof("-32768")]; /* maximum buffer size we need */
McuUtility_Num16sToStr(buf, sizeof(buf), val);
McuUtility_strcat(dst, dstSize, buf);
}
/*
** ===================================================================
** Method : strcatNum16uFormatted (component Utility)
**
** Description :
** Appends a 16bit unsigned value to a string buffer in a
** formatted way.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to convert.
** fill - Fill character
** nofFill - Number of fill characters
** Returns : Nothing
** ===================================================================
*/
/*!
\brief appends a 16bit unsigned number to a string, in a formatted way (like printf with "%0d".
Always terminates the result string.
Note: count is the size of dst INCLUDING zero byte.
Precondition: src, dst != NULL
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize The size of the buffer, including the zero byte
\param[in] val The 16bit unsigned number to add
\param[in] fill Fill character
\param[in] nofFill Number of fill characters
*/
void McuUtility_strcatNum16uFormatted(uint8_t *dst, size_t dstSize, uint16_t val, char fill, uint8_t nofFill)
{
unsigned char buf[sizeof("32768")]; /* maximum buffer size we need */
McuUtility_Num16uToStrFormatted(buf, dstSize, val, fill, nofFill);
McuUtility_strcat(dst, dstSize, buf);
}
/*
** ===================================================================
** Method : strcatNum16sFormatted (component Utility)
**
** Description :
** Appends a 16bit signed value to a string buffer in a
** formatted way.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to convert.
** fill - Fill character
** nofFill - Number of fill characters
** Returns : Nothing
** ===================================================================
*/
/*!
\brief appends a 16bit signed number to a string, in a formatted way (like printf with "%0d".
Always terminates the result string.
Note: count is the size of dst INCLUDING zero byte.
Precondition: src, dst != NULL
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize The size of the buffer, including the zero byte
\param[in] val The 16bit signed number to add
\param[in] fill Fill character
\param[in] nofFill Number of fill characters
*/
void McuUtility_strcatNum16sFormatted(uint8_t *dst, size_t dstSize, int16_t val, char fill, uint8_t nofFill)
{
unsigned char buf[sizeof("-32768")]; /* maximum buffer size we need */
McuUtility_Num16sToStrFormatted(buf, dstSize, val, fill, nofFill);
McuUtility_strcat(dst, dstSize, buf);
}
/*
** ===================================================================
** Method : strcatNum32uFormatted (component Utility)
**
** Description :
** Appends a 32bit unsigned value to a string buffer in a
** formatted way.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to convert.
** fill - Fill character
** nofFill - Number of fill characters
** Returns : Nothing
** ===================================================================
*/
/*!
\brief appends a 32bit unsigned number to a string, in a formatted way (like printf with "%0d".
Always terminates the result string.
Note: count is the size of dst INCLUDING zero byte.
Precondition: src, dst != NULL
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize The size of the buffer, including the zero byte
\param[in] val The 32bit unsigned number to add
\param[in] fill Fill character
\param[in] nofFill Number of fill characters
*/
void McuUtility_strcatNum32uFormatted(uint8_t *dst, size_t dstSize, uint32_t val, char fill, uint8_t nofFill)
{
unsigned char buf[sizeof("4294967295")]; /* maximum buffer size we need */
McuUtility_Num32uToStrFormatted(buf, dstSize, val, fill, nofFill);
McuUtility_strcat(dst, dstSize, buf);
}
/*
** ===================================================================
** Method : strcatNum32sFormatted (component Utility)
**
** Description :
** Appends a 32bit signed value to a string buffer in a
** formatted way.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to convert.
** fill - Fill character
** nofFill - Number of fill characters
** Returns : Nothing
** ===================================================================
*/
/*!
\brief appends a 32bit signed number to a string, in a formatted way (like printf with "%0d".
Always terminates the result string.
Note: count is the size of dst INCLUDING zero byte.
Precondition: src, dst != NULL
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize The size of the buffer, including the zero byte
\param[in] val The 32bit signed number to add
\param[in] fill Fill character
\param[in] nofFill Number of fill characters
*/
void McuUtility_strcatNum32sFormatted(uint8_t *dst, size_t dstSize, int32_t val, char fill, uint8_t nofFill)
{
unsigned char buf[sizeof("-4294967295")]; /* maximum buffer size we need */
McuUtility_Num32sToStrFormatted(buf, dstSize, val, fill, nofFill);
McuUtility_strcat(dst, dstSize, buf);
}
/*
** ===================================================================
** Method : strcatNum8Hex (component Utility)
**
** Description :
** Appends a 8bit unsigned value to a string buffer as hex
** number (without a 0x prefix).
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** num - Value to convert.
** Returns : Nothing
** ===================================================================
*/
/*!
\brief Adds a 8bit number as hex value to a string.
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize The size of the buffer, including the zero byte
\param[in] num The 8bit number to add
*/
void McuUtility_strcatNum8Hex(uint8_t *dst, size_t dstSize, uint8_t num)
{
unsigned char buf[sizeof("FF")]; /* maximum buffer size we need */
unsigned char hex;
buf[2] = '\0';
hex = (char)(num & 0x0F);
buf[1] = (char)(hex + ((hex <= 9) ? '0' : ('A'-10)));
hex = (char)((num>>4) & 0x0F);
buf[0] = (char)(hex + ((hex <= 9) ? '0' : ('A'-10)));
McuUtility_strcat(dst, dstSize, buf);
}
/*
** ===================================================================
** Method : strcatNum16Hex (component Utility)
**
** Description :
** Appends a 16bit unsigned value to a string buffer as hex
** number (without a 0x prefix).
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** num - Value to convert.
** Returns : Nothing
** ===================================================================
*/
/*!
\brief Adds a 16bit number as hex value to a string.
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize The size of the buffer, including the zero byte
\param[in] num The 16bit number to add
*/
void McuUtility_strcatNum16Hex(uint8_t *dst, size_t dstSize, uint16_t num)
{
unsigned char buf[sizeof("FFFF")]; /* maximum buffer size we need */
unsigned char hex;
int8_t i;
buf[4] = '\0';
i = 3;
do {
hex = (char)(num & 0x0F);
buf[i] = (char)(hex + ((hex <= 9) ? '0' : ('A'-10)));
num >>= 4; /* next nibble */
i--;
} while (i>=0);
McuUtility_strcat(dst, dstSize, buf);
}
/*
** ===================================================================
** Method : strcatNum24Hex (component Utility)
**
** Description :
** Appends a 32bit unsigned value to a string buffer as hex
** number (without a 0x prefix). Only 24bits are used.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** num - Value to convert.
** Returns : Nothing
** ===================================================================
*/
/*!
\brief Adds a 24bit number as hex value to a string.
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize The size of the buffer, including the zero byte
\param[in] num The 24bit number to add
*/
void McuUtility_strcatNum24Hex(uint8_t *dst, size_t dstSize, uint32_t num)
{
unsigned char buf[sizeof("FFFFFF")]; /* maximum buffer size we need */
unsigned char hex;
int8_t i;
buf[6] = '\0';
i = 5;
do {
hex = (char)(num & 0x0F);
buf[i] = (char)(hex + ((hex <= 9) ? '0' : ('A'-10)));
num >>= 4; /* next nibble */
i--;
} while (i>=0);
McuUtility_strcat(dst, dstSize, buf);
}
/*
** ===================================================================
** Method : strcatNum32Hex (component Utility)
**
** Description :
** Appends a 32bit unsigned value to a string buffer as hex
** number (without a 0x prefix).
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** num - Value to convert.
** Returns : Nothing
** ===================================================================
*/
/*!
\brief Adds a 32bit number as hex value to a string.
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize The size of the buffer, including the zero byte
\param[in] num The 32bit number to add
*/
void McuUtility_strcatNum32Hex(uint8_t *dst, size_t dstSize, uint32_t num)
{
unsigned char buf[sizeof("FFFFFFFF")]; /* maximum buffer size we need */
unsigned char hex;
int8_t i;
buf[8] = '\0';
i = 7;
do {
hex = (char)(num & 0x0F);
buf[i] = (char)(hex + ((hex <= 9) ? '0' : ('A'-10)));
num >>= 4; /* next nibble */
i--;
} while (i>=0);
McuUtility_strcat(dst, dstSize, buf);
}
/*
** ===================================================================
** Method : strcatNum32s (component Utility)
**
** Description :
** Appends a 32bit signed value to a string buffer.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to convert.
** Returns : Nothing
** ===================================================================
*/
/*!
\brief appends a 32bit (long) number to a string. Always terminates the result string.
Note: count is the size of dst INCLUDING zero byte.
Precondition: src, dst != NULL
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize The size of the buffer, including the zero byte
\param[in] val The 32bit number to add
*/
void McuUtility_strcatNum32s(uint8_t *dst, size_t dstSize, int32_t val)
{
unsigned char buf[sizeof("-4294967295")]; /* maximum buffer size we need */
McuUtility_Num32sToStr(buf, sizeof(buf), val);
McuUtility_strcat(dst, dstSize, buf);
}
/*
** ===================================================================
** Method : strcatNum32u (component Utility)
**
** Description :
** Appends a 32bit signed value to a string buffer.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to convert.
** Returns : Nothing
** ===================================================================
*/
/*!
\brief appends a 32bit (unsigned long) number to a string. Always terminates the result string.
Note: count is the size of dst INCLUDING zero byte.
Precondition: src, dst != NULL
\param[in,out] dst Start of string buffer, where to append the number string
\param[in] dstSize The size of the buffer, including the zero byte
\param[in] val The 32bit unsigned number to add
*/
void McuUtility_strcatNum32u(uint8_t *dst, size_t dstSize, uint32_t val)
{
unsigned char buf[sizeof("4294967295")]; /* maximum buffer size we need */
McuUtility_Num32uToStr(buf, sizeof(buf), val);
McuUtility_strcat(dst, dstSize, buf);
}
/*
** ===================================================================
** Method : Num32sToStr (component Utility)
**
** Description :
** Converts a signed 32bit value into a string.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to be converted.
** Returns : Nothing
** ===================================================================
*/
/*!
\brief Converts a 32bit number to a string.
\param[in,out] dst String buffer to store the number.
\param[in] dstSize Size of the destination buffer in uint8_ts.
\param[in] val 32bit signed number to convert.
*/
void McuUtility_Num32sToStr(uint8_t *dst, size_t dstSize, int32_t val)
{
unsigned char *ptr = ((unsigned char *)dst);
unsigned char i=0, j;
unsigned char tmp;
unsigned char sign = (unsigned char)(val < 0);
if (val==(int32_t)(0x80000000)) { /* special case 0x80000000/-2147483648: prevent overflow below. */
McuUtility_strcpy(dst, dstSize, (unsigned char*)"-2147483648");
return;
}
dstSize--; /* for zero byte */
if (sign) {
val = -val;
}
if (val == 0 && dstSize > 0){
ptr[i++] = '0';
dstSize--;
}
while (val > 0 && dstSize > 0) {
ptr[i++] = (unsigned char)((val % 10) + '0');
dstSize--;
val /= 10;
}
if (sign && dstSize > 0){
ptr[i++] = '-';
}
for(j=0; j<(i/2); j++) { /* swap buffer */
tmp = ptr[j];
ptr[j] = ptr[(i-j)-1];
ptr[(i-j)-1] = tmp;
}
ptr[i] = '\0';
}
/*
** ===================================================================
** Method : Num32uToStr (component Utility)
**
** Description :
** Converts an unsigned 32bit value into a string.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to be converted.
** Returns : Nothing
** ===================================================================
*/
/*!
\brief Converts a 32bit signed number to a string.
\param[in,out] dst String buffer to store the number.
\param[in] dstSize Size of the destination buffer in uint8_ts.
\param[in] val 32bit unsigned number to convert.
*/
void McuUtility_Num32uToStr(uint8_t *dst, size_t dstSize, uint32_t val)
{
unsigned char *ptr = ((unsigned char *)dst);
unsigned char i=0, j;
unsigned char tmp;
dstSize--; /* for zero byte */
if (val == 0 && dstSize > 0){
ptr[i++] = '0';
dstSize--;
}
while (val > 0 && dstSize > 0) {
ptr[i++] = (unsigned char)((val % 10) + '0');
dstSize--;
val /= 10;
}
for(j=0; j<(i/2); j++) { /* swap buffer */
tmp = ptr[j];
ptr[j] = ptr[(i-j)-1];
ptr[(i-j)-1] = tmp;
}
ptr[i] = '\0';
}
/*
** ===================================================================
** Method : IsLeapYear (component Utility)
**
** Description :
** Returns true if a given year is a leap year
** Parameters :
** NAME - DESCRIPTION
** year - Year, in the YYYY format.
** Returns :
** --- - If the year is a leap year or not.
** ===================================================================
*/
bool McuUtility_IsLeapYear(uint16_t year)
{
return ((((year%4)==0) && (year%100)!=0) || (year%400)==0);
}
/*
** ===================================================================
** Method : WeekDay (component Utility)
**
** Description :
** Returns the weekday for a given date >= 1.Jan.1900
** Parameters :
** NAME - DESCRIPTION
** year - year in YYYY format
** month - month of the year (1: January, 2:
** February, etc)
** day - day of the moth (starting with 1)
** Returns :
** --- - Returns the weekday, 0 for Sunday, 1 for
** Monday, 2 for Tuesday, etc.
** ===================================================================
*/
uint8_t McuUtility_WeekDay(uint16_t year, uint8_t month, uint8_t day)
{
/* see http://klausler.com/new-dayofweek.html */
static const uint8_t skew[12] = {0,3,3,6,1,4,6,2,5,0,3,5};
uint16_t sum;
sum = (uint16_t)(year-1900);
sum += sum/4;
sum %= 7;
if (McuUtility_IsLeapYear(year) && (month==1 || month==2)) {
sum--;
}
sum += day;
sum %= 7;
sum += skew[month-1];
sum %= 7;
return (uint8_t)sum; /* 0: Sunday, 1: Monday, 2: Tuesday, 3: Wednesday, ... */
}
/*
** ===================================================================
** Method : ReadEscapedName (component Utility)
**
** Description :
** Scans an escaped name from a string. This is useful e.g. for
** double quoted file names.
** Parameters :
** NAME - DESCRIPTION
** * filename - the name to be copied. Names may
** be in quoted format
** * destname - the destination of the copy.
** Names are not in quoted format. destname
** may be NULL to get the other return values
** only
** maxlen - length allocated for destname
** * lenRead - length read in filename to copy
** the whole name. Note that filenames maybe
** space terminated, so *lenRead <
** strlen(filename)
** lenWritten - the size written in destname.
** In case of overflows in destname,
** lenWritten is still increased but destname
** no longer written. The have the string
** length in these cases use strlen(destname)
** terminators - additional characters
** where a name should terminate. May be NULL
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ReadEscapedName(const unsigned char *filename, uint8_t *destname, size_t maxlen, size_t *lenRead, size_t *lenWritten, const char *terminators)
{
size_t lenCopied = 0, lenOverread = 0;
bool quoteMode = FALSE; /* quoteMode means the name is surrounded by ". In this mode, only a second single quote "
terminates the string. In !quoteMode a space or a '\0' may also terminate it correctly */
bool res = ERR_OK;
#define IS_SPACE(ch) ((ch)==' '||(ch)=='\t'||(ch)=='\n'||(ch)=='\v'||(ch)=='\f'||(ch)=='\r')
if (filename==NULL || (destname!=NULL && maxlen==0)) {
return ERR_FAILED;
}
if (filename[0] == '"') { /* translated mode */
filename++; /* overread '"' */
lenOverread++;
quoteMode=TRUE;
}
if (terminators == NULL) {
terminators = "";
}
for (;;) {
if (quoteMode) {
if (filename[0] == '"') {
filename++; /* overread '"' */
lenOverread++;
if (filename[0] != '"') { /* quoteMode is terminated by a single quote. A double quote is treated like a single quote and does not terminate it ! */
break; /* successfully finished with this name */
} /* else we copy the second quote " */
}
if (filename[0] == '\0') { /* unexpected 0. stop */
res = ERR_FAILED;
break; /* error case: no terminating double quote (") was found */
}
} else { /* copy mode */
if (IS_SPACE(filename[0]) || filename[0] == '\0' || strchr(terminators, filename[0]) != NULL) { /* !quoteMode is terminated by space, '\0' or by any char in terminators */
break;
}
}
if (destname != NULL) {
if (lenCopied + 1 < maxlen) {
destname[0] = filename[0];
destname++;
} else {
destname[0] = '\0'; /* terminate string */
destname = NULL; /* avoid it to overwrite not allocated space */
}
}
lenCopied++;
filename++;
}
if (destname != NULL) {
destname[0] = '\0';
}
if (lenRead != NULL) {
*lenRead = lenCopied+lenOverread;
}
if (lenWritten != NULL) {
*lenWritten = lenCopied + 1; /* additionally a zero byte written */
}
return res;
}
/*
** ===================================================================
** Method : xatoi (component Utility)
**
** Description :
** Custom atoi() (ascii to int) implementation by Elm Chan
** Parameters :
** NAME - DESCRIPTION
** * str - Pointer to string to scan. Returns until
** where it has scanned.
** * res - Pointer to where to store the result
** Returns :
** --- - Error code
** ===================================================================
*/
/*------------------------------------------------------------------------/
/ Universal string handler for user console interface
/-------------------------------------------------------------------------/
/
/ Copyright (C) 2010, ChaN, all right reserved.
/
/ * This software is a free software and there is NO WARRANTY.
/ * No restriction on use. You can use, modify and redistribute it for
/ personal, non-profit or commercial products UNDER YOUR RESPONSIBILITY.
/ * Redistributions of source code must retain the above copyright notice.
/
/-------------------------------------------------------------------------*/
#ifdef __HC12__
#pragma MESSAGE DISABLE C12056 /* message about SP debug info */
#endif
uint8_t McuUtility_xatoi(const unsigned char **str, int32_t *res)
{
/* 123 -5 0x3ff 0b1111 0377 3.25 w "
^ 1st call returns 123 and next ptr
^ 2nd call returns -5 and next ptr
^ 3rd call returns 1023 and next ptr
^ 4th call returns 15 and next ptr
^ 5th call returns 255 and next ptr
^ 6th call returns 3 and next ptr, caller needs to read '.'
^ 7th call returns 25 and next ptr
^ 8th call fails and returns ERR_FAILED
*/
uint32_t val;
uint8_t c, r, s = 0;
*res = 0;
while (**str==' ') {
(*str)++; /* Skip leading spaces */
}
c = **str;
if (c == '-') { /* negative? */
s = 1;
c = *(++(*str));
}
if (c == '0') {
c = *(++(*str));
switch (c) {
case 'x': /* hexadecimal */
r = 16; c = *(++(*str));
break;
case 'b': /* binary */
r = 2; c = *(++(*str));
break;
default:
if (c <= ' ' || c == '.') {
return ERR_OK; /* single zero */
}
if (c < '0' || c > '9') {
return ERR_FAILED; /* invalid char */
}
r = 8; /* octal */
break;
} /* switch */
} else {
if (c < '0' || c > '9') {
return ERR_FAILED; /* EOL or invalid char */
}
r = 10; /* decimal */
}
val = 0;
while (c > ' ' && c != '.') {
if (c >= 'a') c -= 0x20;
c -= '0';
if (c >= 17) {
c -= 7;
if (c <= 9) return ERR_FAILED; /* invalid char */
}
if (c >= r) return ERR_FAILED; /* invalid char for current radix */
val = val * r + c;
c = *(++(*str));
} /* while */
if (s) val = 0 - val; /* apply sign if needed */
*res = (long)val;
return ERR_OK;
}
#ifdef __HC12__
#pragma MESSAGE DEFAULT C12056 /* message about SP debug info */
#endif
/*
** ===================================================================
** Method : ScanDate (component Utility)
**
** Description :
** Scans a date in the format "dd.mm.yyyy" or "dd-mm-yyyy". For
** yy it will expand it to 20yy.
** Parameters :
** NAME - DESCRIPTION
** * str - Pointer to the string to be scanned. The
** function advances the pointer.
** * day - Pointer to where to store the day value
** * month - Pointer to where to store the month
** value
** * year - Pointer to where to store the year value
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ScanDate(const unsigned char **str, uint8_t *day, uint8_t *month, uint16_t *year)
{
/* precondition: string points to starting of date, e.g. "01.01.10" or "12.5.2010", and date is in format dd.mm.yy or dd.mm.yyyy */
const unsigned char *p;
p = *str;
while(*p==' ') {
p++; /* skip leading spaces */
}
if ( McuUtility_ScanDecimal8uNumber(&p, day)==ERR_OK
&& *day > 0 && *day <= 31
&& (*p=='.' || *p=='-')
)
{
p++;
if ( McuUtility_ScanDecimal8uNumber(&p, month)==ERR_OK
&& *month > 0 && *month <= 12
&& (*p=='.' || *p=='-')
)
{
p++;
if ( McuUtility_ScanDecimal16uNumber(&p, year)==ERR_OK
&& *year > 0 && *year <= 3000 /* hopefully this is enough :-) */
)
{
if (*year < 100) {
*year += 2000; /* transform '10' into '2010' */
}
*str = p; /* advance pointer for caller */
return ERR_OK;
}
}
}
*day = 0;
*month = 0;
*year = 0;
return ERR_FAILED; /* wrong format */
}
/*
** ===================================================================
** Method : ScanTime (component Utility)
**
** Description :
** Scans a time string in the format "hh:mm:ss,hh" with the
** part for the ",hh" is optional.
** Parameters :
** NAME - DESCRIPTION
** str - Pointer to the string to be scanned. The
** function advances the pointer.
** * hour - Pointer to where to store the hour value
** * minute - Pointer to where to store the minute
** value
** * second - Pointer to where to store the second
** value
** * hSecond - Pointer to scans the hundreds of
** second part. If not present in string, zero
** is stored
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ScanTime(const unsigned char **str, uint8_t *hour, uint8_t *minute, uint8_t *second, uint8_t *hSecond)
{
/* precondition: string points to starting of time string, e.g. "03:15:05" or "03:15:05,3" or "03:15:05,17", and time is in format hh:mm:ss[,hh] */
const unsigned char *p;
#define SCAN_IS_DIGIT(ch) ((ch)>='0'&&(ch)<='9')
*hour = 0;
*minute = 0;
*second = 0;
*hSecond = 0;
p = *str;
while(*p==' ') {
p++; /* skip leading spaces */
}
if ( McuUtility_ScanDecimal8uNumber(&p, hour)==ERR_OK
&& *hour <= 24
&& *p==':'
)
{
p++; /* skip ':' */
if ( McuUtility_ScanDecimal8uNumber(&p, minute)==ERR_OK
&& *minute <= 60
)
{
if (*p==':') { /* there is more after the minute */
p++; /* skip ':' */
if ( McuUtility_ScanDecimal8uNumber(&p, second)==ERR_OK
&& *second <= 60
)
{
if (*p==',') { /* we do have either ",z" or ",hh" */
p++; /* skip ',' */
if (SCAN_IS_DIGIT(*p)) {
if (SCAN_IS_DIGIT(*(p+1))) { /* ,hh format */
*hSecond = (uint8_t)((*p-'0')*10 + *(p+1)-'0');
return ERR_OK;
} else { /* ,z format */
*hSecond = (uint8_t)((*p-'0')*10);
p++;
*str = p; /* advance pointer for caller */
return ERR_OK;
}
} else {
return ERR_FAILED; /* illegal format, not a number, e.g. ",x" */
}
}
*str = p; /* advance pointer for caller */
return ERR_OK;
}
} else if (*p==' ' || *p=='\0') { /* nothing more after the minute? Assume zero seconds */
*str = p; /* advance pointer for caller */
return ERR_OK;
}
}
}
return ERR_FAILED; /* wrong format */
}
/*
** ===================================================================
** Method : ScanDecimal8uNumber (component Utility)
**
** Description :
** Scans a decimal 8bit unsigned number
** Parameters :
** NAME - DESCRIPTION
** str - String to scan. It returns as well until
** where it has scanned
** * val - Pointer to value
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ScanDecimal8uNumber(const unsigned char **str, uint8_t *val)
{
/* scans a decimal number, and stops at any non-number. Number can have any preceding zeros or spaces. */
#define _8_NOF_DIGITS (3+1)
uint8_t nofDigits = _8_NOF_DIGITS; /* maximum number of digits to avoid overflow */
const unsigned char *p = *str;
while(*p==' ') { /* skip leading spaces */
p++;
}
*val = 0;
while(*p>='0' && *p<='9' && nofDigits > 0) {
*val = (uint8_t)((*val)*10 + *p-'0');
nofDigits--;
p++;
} /* while */
if (nofDigits==0) {
return ERR_OVERFLOW;
}
if (nofDigits==_8_NOF_DIGITS) { /* no digits at all? */
return ERR_FAILED;
}
*str = p;
return ERR_OK;
}
/*
** ===================================================================
** Method : ScanDecimal8sNumber (component Utility)
**
** Description :
** Scans a decimal 8bit signed number
** Parameters :
** NAME - DESCRIPTION
** str - String to scan. It returns as well until
** where it has scanned
** * val - Pointer to value
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ScanDecimal8sNumber(const unsigned char **str, signed char *val)
{
/* Scans a decimal number, and stops at any non-number. Number can have any preceding spaces. */
const unsigned char *p = *str;
bool isNeg;
uint8_t val8u;
uint8_t res;
while(*p==' ') { /* skip leading spaces */
p++;
}
*val = 0;
if (*p=='-') {
isNeg = TRUE;
p++; /* skip minus */
} else {
isNeg = FALSE;
}
res = McuUtility_ScanDecimal8uNumber(&p, &val8u);
if (res != ERR_OK) {
return res;
}
if (isNeg) {
*val = (int8_t)(-(int8_t)val8u);
} else {
*val = (int8_t)val8u;
}
*str = p;
return ERR_OK;
}
/*
** ===================================================================
** Method : ScanDecimal16uNumber (component Utility)
**
** Description :
** Scans a decimal 16bit unsigned number
** Parameters :
** NAME - DESCRIPTION
** str - String to scan. It returns as well until
** where it has scanned
** * val - Pointer to value
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ScanDecimal16uNumber(const unsigned char **str, uint16_t *val)
{
/* scans a decimal number, and stops at any non-number. Number can have any preceding zeros or spaces. */
#define _16_NOF_DIGITS (5+1)
uint8_t nofDigits = _16_NOF_DIGITS; /* maximum number of digits to avoid overflow */
const unsigned char *p = *str;
while(*p==' ') { /* skip leading spaces */
p++;
}
*val = 0;
while(*p>='0' && *p<='9' && nofDigits > 0) {
*val = (uint16_t)((*val)*10 + *p-'0');
nofDigits--;
p++;
} /* while */
if (nofDigits==0) {
return ERR_OVERFLOW;
}
if (nofDigits==_16_NOF_DIGITS) { /* no digits at all? */
return ERR_FAILED;
}
*str = p;
return ERR_OK;
}
/*
** ===================================================================
** Method : ScanDecimal16sNumber (component Utility)
**
** Description :
** Scans a decimal 16bit signed number
** Parameters :
** NAME - DESCRIPTION
** str - String to scan. It returns as well until
** where it has scanned
** * val - Pointer to value
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ScanDecimal16sNumber(const unsigned char **str, int16_t *val)
{
/* Scans a decimal number, and stops at any non-number. Number can have any preceding spaces. */
const unsigned char *p = *str;
bool isNeg;
uint16_t val16u;
uint8_t res;
while(*p==' ') { /* skip leading spaces */
p++;
}
*val = 0;
if (*p=='-') {
isNeg = TRUE;
p++; /* skip minus */
} else {
isNeg = FALSE;
}
res = McuUtility_ScanDecimal16uNumber(&p, (uint16_t*)&val16u);
if (res != ERR_OK) {
return res;
}
if (isNeg) {
*val = (int16_t)(-(int16_t)val16u);
} else {
*val = (int16_t)val16u;
}
*str = p;
return ERR_OK;
}
/*
** ===================================================================
** Method : ScanDecimal32uNumber (component Utility)
**
** Description :
** Scans a decimal 32bit unsigned number
** Parameters :
** NAME - DESCRIPTION
** str - string to scan. It returns as well until
** where it has scanned
** * val - Pointer to value
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ScanDecimal32uNumber(const unsigned char **str, uint32_t *val)
{
/* scans a decimal number, and stops at any non-number. Number can have any preceding zeros or spaces. */
#define _32_NOF_DIGITS (10+1)
uint8_t nofDigits = _32_NOF_DIGITS; /* maximum number of digits to avoid overflow */
const unsigned char *p = *str;
while(*p==' ') { /* skip leading spaces */
p++;
}
*val = 0;
while(*p>='0' && *p<='9' && nofDigits > 0) {
*val = (uint32_t)((*val)*10 + *p-'0');
nofDigits--;
p++;
} /* while */
if (nofDigits==0) {
return ERR_OVERFLOW;
}
if (nofDigits==_32_NOF_DIGITS) { /* no digits at all? */
return ERR_FAILED;
}
*str = p;
return ERR_OK;
}
/*
** ===================================================================
** Method : ScanDecimal32sNumber (component Utility)
**
** Description :
** Scans a decimal 32bit signed number
** Parameters :
** NAME - DESCRIPTION
** str - string to scan. It returns as well until
** where it has scanned
** * val - Pointer to value
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ScanDecimal32sNumber(const unsigned char **str, int32_t *val)
{
/* Scans a decimal number, and stops at any non-number. Number can have any preceding spaces. */
const unsigned char *p = *str;
bool isNeg;
uint32_t val32u;
uint8_t res;
while(*p==' ') { /* skip leading spaces */
p++;
}
*val = 0;
if (*p=='-') {
isNeg = TRUE;
p++; /* skip minus */
} else {
isNeg = FALSE;
}
res = McuUtility_ScanDecimal32uNumber(&p, &val32u);
if (res != ERR_OK) {
return res;
}
if (isNeg) {
*val = (int32_t)(-(int32_t)val32u);
} else {
*val = (int32_t)val32u;
}
*str = p;
return ERR_OK;
}
/*
** ===================================================================
** Method : ScanDecimal32sDotNumber (component Utility)
**
** Description :
** Scans a decimal 32bit signed number with a following dot
** (fractional part), e.g. "-34587.0248", it will return the
** (signed) integral and fractional part with number of
** fractional zeros. The function accepts as well numbers like
** "17" (no fractional part" or "17.0"
** Parameters :
** NAME - DESCRIPTION
** str - string to scan. It returns as well until
** where it has scanned
** * integral - Pointer to value before the dot
** * fractional - Pointer to value after the
** dot, e.g. 32 for "-134.0032"
** nofFractionalZeros - Number of
** fractional leading zeros, e.g. 2 for "-134.
** 0032"
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ScanDecimal32sDotNumber(const unsigned char **str, int32_t *integral, uint32_t *fractional, uint8_t *nofFractionalZeros)
{
/* scans e.g. "-3445.071" and returns -3445 in integral part, and 71 in fractional part */
uint8_t res;
const unsigned char *p = *str;
*integral = 0;
*fractional = 0;
*nofFractionalZeros = 0;
res = McuUtility_ScanDecimal32sNumber(&p, integral);
if (res != ERR_OK) {
return res;
}
if (*p=='.') {
p++; /* skip '.' */
while (*p=='0') { /* count leading zeros */
(*nofFractionalZeros)++;
p++; /* skip leading zero */
}
if (*p>='0' && *p<='9') { /* number */
res = McuUtility_ScanDecimal32uNumber(&p, fractional);
if (res != ERR_OK) {
return res;
}
}
}
*str = p; /* store parsing pointer */
return ERR_OK;
}
/*
** ===================================================================
** Method : strcmp (component Utility)
**
** Description :
** Wrapper to the standard strcmp() routine
** Parameters :
** NAME - DESCRIPTION
** * str1 - Pointer to string
** * str2 - Pointer to string
** Returns :
** --- - Returns zero if the two strings are the
** same
** ===================================================================
*/
/***
int16_t McuUtility_strcmp(const char *, const char *)
{
Method is implemented as macro in the header file as wrapper to the standard strcmp() function
}
*/
/*
** ===================================================================
** Method : strncmp (component Utility)
**
** Description :
** Wrapper to the standard strncmp() routine
** Parameters :
** NAME - DESCRIPTION
** * str1 - Pointer to string
** * str2 - Pointer to string
** size -
** Returns :
** --- - Returns zero if the two strings are the
** same
** ===================================================================
*/
/***
int16_t McuUtility_strncmp(const char *, const char *, size_t size)
{
/Method is implemented as macro in the header file as wrapper to the standard strncmp() function
}
*/
/*
** ===================================================================
** Method : strlen (component Utility)
**
** Description :
** Wrapper to the standard strlen() function.
** Parameters :
** NAME - DESCRIPTION
** str -
** Returns :
** --- - size of strinig
** ===================================================================
*/
/***
uint16_t McuUtility_strlen(const char *)
{
Method is implemented as macro in the header file as wrapper to the standard strlen() function
}
*/
static bool isHexCharacter(unsigned char ch) {
/* returns TRUE if character is a hexadecimal character */
return (ch>='0' && ch<='9') || (ch>='a' && ch<='f') || (ch>='A' && ch<='F');
}
static uint8_t PreScanHexNumber(const unsigned char **str) {
const unsigned char *p = *str;
while(*p==' ') { /* skip leading spaces */
p++; /* skip space */
}
if (*p!='0') { /* must start with 0x */
return ERR_FAILED;
}
p++; /* skip '0' */
if (*p!='x') { /* must start with 0x */
return ERR_FAILED;
}
p++; /* skip 'x' */
*str = p;
return ERR_OK;
}
static uint8_t HexToDec(const unsigned char **p, unsigned char *val) {
/* convert a hexadecimal character into a decimal value */
unsigned char ch = **p;
if (ch>='0' && ch<='9') {
*val = (unsigned char)(ch-'0');
(*p)++;
return ERR_OK;
} else if (ch>='a' && ch<='f') {
*val = (unsigned char)(ch-'a'+10);
(*p)++;
return ERR_OK;
} else if (ch>='A' && ch<='F') {
*val = (unsigned char)(ch-'A'+10);
(*p)++;
return ERR_OK;
}
return ERR_FAILED;
}
/*
** ===================================================================
** Method : ScanHex32uNumber (component Utility)
**
** Description :
** Scans a hexadecimal 32bit number, starting with 0x
** Parameters :
** NAME - DESCRIPTION
** str - String to scan, starting with 0x. It
** returns as well until where it has scanned
** * val - Pointer to value
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ScanHex32uNumber(const unsigned char **str, uint32_t *val)
{
/* scans a decimal number, and stops at any non-number. Number can have any preceding zeros or spaces. */
uint8_t nofDigits = 8; /* maximum number of digits to avoid overflow */
const unsigned char *p = *str;
uint8_t v;
*val = 0;
if (PreScanHexNumber(&p)!=ERR_OK) { /* skip leading spaces, and scan '0x' */
return ERR_FAILED;
}
if (!isHexCharacter(*p)) { /* not a valid hex number sequence */
return ERR_FAILED;
}
while (nofDigits>0 && HexToDec(&p, &v)==ERR_OK) {
*val = (uint32_t)((*val)*16 + v);
nofDigits--;
} /* while */
*str = p;
return ERR_OK;
}
/*
** ===================================================================
** Method : ScanHex16uNumber (component Utility)
**
** Description :
** Scans a hexadecimal 16bit number, starting with 0x
** Parameters :
** NAME - DESCRIPTION
** str - String to scan, starting with 0x.. It
** returns as well until where it has scanned
** * val - Pointer to value
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ScanHex16uNumber(const unsigned char **str, uint16_t *val)
{
/* scans a decimal number, and stops at any non-number. Number can have any preceding zeros or spaces. */
uint8_t nofDigits = 4; /* maximum number of digits to read */
const unsigned char *p = *str;
uint8_t v;
*val = 0;
if (PreScanHexNumber(&p)!=ERR_OK) { /* skip leading spaces, and scan '0x' */
return ERR_FAILED;
}
if (!isHexCharacter(*p)) { /* not a valid hex number sequence */
return ERR_FAILED;
}
while (nofDigits>0 && HexToDec(&p, &v)==ERR_OK) {
*val = (uint16_t)((*val)*16 + v);
nofDigits--;
} /* while */
*str = p;
return ERR_OK;
}
/*
** ===================================================================
** Method : ScanHex8uNumber (component Utility)
**
** Description :
** Scans a hexadecimal 8bit number, starting with 0x
** Parameters :
** NAME - DESCRIPTION
** str - String to scan, starting with 0x. It
** returns as well until where it has scanned
** * val - Pointer to value
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ScanHex8uNumber(const unsigned char **str, uint8_t *val)
{
/* scans a hex number with 0x, and stops at any non-number. Number can have any preceding zeros or spaces. */
uint8_t nofDigits = 2; /* maximum number of digits to read */
const unsigned char *p = *str;
uint8_t v;
*val = 0;
if (PreScanHexNumber(&p)!=ERR_OK) { /* skip leading spaces, and scan '0x' */
return ERR_FAILED;
}
if (!isHexCharacter(*p)) { /* not a valid hex number sequence */
return ERR_FAILED;
}
while (nofDigits>0 && HexToDec(&p, &v)==ERR_OK) {
*val = (uint8_t)((*val)*16 + v);
nofDigits--;
} /* while */
*str = p;
return ERR_OK;
}
/*
** ===================================================================
** Method : ScanHex8uNumberNoPrefix (component Utility)
**
** Description :
** Scans a hexadecimal 8bit number, without 0x
** Parameters :
** NAME - DESCRIPTION
** str - String to scan, starting with 0x. It
** returns as well until where it has scanned
** * val - Pointer to value
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ScanHex8uNumberNoPrefix(const unsigned char **str, uint8_t *val)
{
/* scans a hex number without 0x, and stops at any non-number. Number can have any preceding zeros or spaces. */
uint8_t nofDigits = 2; /* maximum number of digits to read */
const unsigned char *p = *str;
uint8_t v;
*val = 0;
while(*p==' ') { /* skip leading spaces */
p++; /* skip space */
}
if (!isHexCharacter(*p)) { /* not a valid hex number sequence */
return ERR_FAILED;
}
while (nofDigits>0 && HexToDec(&p, &v)==ERR_OK) {
*val = (uint8_t)((*val)*16 + v);
nofDigits--;
} /* while */
*str = p;
return ERR_OK;
}
/*
** ===================================================================
** Method : strtailcmp (component Utility)
**
** Description :
** Compares the tail of a string and returns 0 if it matches, 1
** otherwise
** Parameters :
** NAME - DESCRIPTION
** * str - Pointer to string. This string is compared
** if it contains the tail.
** * tail - Pointer to tail string.
** Returns :
** --- - returns 0 if tail matches, -1 otherwise
** ===================================================================
*/
uint8_t McuUtility_strtailcmp(const uint8_t *str, const uint8_t *tail)
{
int i, j;
i = (int)McuUtility_strlen((char*)str);
j = (int)McuUtility_strlen((char*)tail);
if (j>i) { /* str is smaller than tail */
return 1; /* cannot match */
}
/* compare strings */
while(str[i]==tail[j]) {
i--;
j--;
if (j<0) {
return 0; /* match */
}
}
return 1; /* !=0 means no match */
}
/*
** ===================================================================
** Method : strCutTail (component Utility)
**
** Description :
** Removes a tailing substring from a string. The string passed
** will be modified (the tail is cut by writing a zero byte to
** the string!)
** Parameters :
** NAME - DESCRIPTION
** * str - Pointer to string where to remove the tail
** * tail - Pointer to substring to remove
** Returns :
** --- - Error code, ERR_OK if no error, otherwise
** ERR_FAIL if tail is not found
** ===================================================================
*/
uint8_t McuUtility_strCutTail(uint8_t *str, uint8_t *tail)
{
/* cut the tail from the string */
size_t strLen, tailLen;
if (McuUtility_strtailcmp(str, tail)!=0) { /* check if tail is present */
return ERR_FAILED; /* tail not found */
}
tailLen = McuUtility_strlen((char*)tail);
strLen = McuUtility_strlen((char*)str);
/* write \0 to cut the tail */
str[strLen-tailLen] = '\0';
return ERR_OK;
}
/*
** ===================================================================
** Method : strcatNum32sDotValue100 (component Utility)
**
** Description :
** Appends a 32bit signed value to a string buffer. The value
** is in 1/100 units. For example for the value -13456 it will
** append the string "-134.56"
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** num - Value to convert.
** Returns : Nothing
** ===================================================================
*/
void McuUtility_strcatNum32sDotValue100(uint8_t *dst, size_t dstSize, int32_t num)
{
if (num<0 && (num/100)==0) { /* e.g. -53 ==> write sign, as strcatNum32() below will not know that it is negative */
McuUtility_chcat(dst, dstSize, '-');
}
McuUtility_strcatNum32s(dst, dstSize, num/100);
McuUtility_chcat(dst, dstSize, '.');
if (num<0) {
num = -num;
}
McuUtility_strcatNum16uFormatted(dst, dstSize, (uint16_t)((unsigned)num%100U), '0', 2);
}
/*
** ===================================================================
** Method : strFind (component Utility)
**
** Description :
** Searches a substring inside a string and returns the
** position.
** Parameters :
** NAME - DESCRIPTION
** * str - Pointer to string which will be searched
** * subStr - Pointer to substring to search
** inside str
** Returns :
** --- - -1 if not found, otherwise the character
** index.
** ===================================================================
*/
int16_t McuUtility_strFind(uint8_t *str, uint8_t *subStr)
{
int16_t i, len;
len = (int16_t)McuUtility_strlen((char*)subStr);
for (i=0; *str!='\0'; i++, str++) {
if (McuUtility_strncmp((char*)str, (char*)subStr, len)==0) {
return i; /* found */
}
}
return -1; /* not found */
}
/*
** ===================================================================
** Method : ScanSeparatedNumbers (component Utility)
**
** Description :
** Scans multiple numbers separated by character, e.g. "123.68.
** 5.3"
** Parameters :
** NAME - DESCRIPTION
** str - String to scan. It returns as well until
** where it has scanned
** * values - Pointer to array where to store the
** values
** nofValues - Number of values in the array
** separator - Character separator, e.g. '.'
** numberType - type of number to scan
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ScanSeparatedNumbers(const unsigned char **str, uint8_t *values, uint8_t nofValues, char separator, McuUtility_SeparatedNumberType numberType)
{
int i;
uint8_t res;
const unsigned char *p;
if (nofValues<=1) {
return ERR_FAILED; /* need at least two values */
}
p = *str;
for(i=0;i<nofValues;i++) {
if (numberType==McuUtility_SEP_NUM_TYPE_UINT8) {
res = McuUtility_ScanDecimal8uNumber(&p, &values[i]);
} else if (numberType==McuUtility_SEP_NUM_TYPE_UINT8_HEX_NO_PREFIX) {
res = McuUtility_ScanHex8uNumberNoPrefix(&p, &values[i]);
} else {
res = ERR_FAILED;
}
if (res==ERR_OK) { /* parsing ok */
if (i!=nofValues-1) {
if ((*p)!=separator) { /* not last one */
return ERR_FAILED; /* wrong separator */
} /* if */
p++; /* skip separator and continue scanning */
} /* if */
} else {
return ERR_FAILED; /* failed parsing number */
} /* if */
} /* for */
*str = p;
return ERR_OK;
}
/*
** ===================================================================
** Method : ScanDoubleQuotedString (component Utility)
**
** Description :
** Scans a string inside double quotes and returns it without
** the double quotes.
** Parameters :
** NAME - DESCRIPTION
** cmd - Pointer to pointer to string to parse.
** This pointer will be advanced as much as
** parsing is done.
** * buf - Pointer to buffer where to store the string
** bufSize - Size of buffer in bytes
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ScanDoubleQuotedString(const uint8_t **cmd, uint8_t *buf, size_t bufSize)
{
const uint8_t *p = *cmd;
if (bufSize==1) {
return ERR_FAILED; /* buffer too small */
}
buf[bufSize-1] = '\0'; /* terminate buffer */
bufSize--;
if (*p!='\"') {
return ERR_FAILED; /* does not start with double quote */
}
p++; /* skip double quote */
while(*p!='\"' && *p!='\0' && bufSize>0) {
*buf++ = *p++;
bufSize--;
}
if (*p!='\"') {
return ERR_FAILED; /* no terminating double quote */
} else {
p++; /* skip double quote */
*buf = '\0'; /* terminate buffer */
}
*cmd = p; /* advance pointer */
return ERR_OK;
}
/*
** ===================================================================
** Method : strcatPad (component Utility)
**
** Description :
** Same as normal strcat, but safe as it does not write beyond
** the buffer. The buffer will be filled with a pad character
** for a given length.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** * src - Pointer to source string.
** padChar - Character to be used for padding
** srcPadSize - To which size the src string
** has to be padded.
** Returns : Nothing
** ===================================================================
*/
void McuUtility_strcatPad(uint8_t *dst, size_t dstSize, const unsigned char *src, char padChar, uint8_t srcPadSize)
{
uint8_t *p;
size_t nof = 0;
if (dstSize<2) {
return; /* hmm, really to small for anything than the zero byte? */
}
p = dst;
while(*p != '\0') { /* find end of string */
p++;
nof++;
}
McuUtility_strcat(dst+nof, dstSize-nof, src); /* add string */
dstSize -= nof;
while(*p != '\0' && srcPadSize>0 && dstSize>1) {
p++;
srcPadSize--;
dstSize--;
}
while(srcPadSize>0 && dstSize>1) {
*p++ = padChar; /* add padding char */
srcPadSize--;
dstSize--;
}
*p = '\0'; /* terminate string */
}
/*
** ===================================================================
** Method : NumFloatToStr (component Utility)
**
** Description :
** Converts a float value into a string.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to be converted.
** nofFracDigits - Number of fractional
** digits to print
** Returns : Nothing
** ===================================================================
*/
void McuUtility_NumFloatToStr(uint8_t *dst, size_t dstSize, float val, uint8_t nofFracDigits)
{
uint32_t integral;
uint32_t fractional, shift;
int i;
bool isNeg;
isNeg = (bool)(val<0);
if (isNeg) {
val = -val; /* make it positive */
}
integral = (uint32_t)(int32_t)val;
val = val-(float)integral; /* get rid of integral part */
shift = 1;
for(i=0;i<nofFracDigits;i++) {
shift *= 10;
}
/* get fractional part */
fractional = (uint32_t)(val*shift);
/* write integral part */
if (integral==0 && fractional==0) { /* special check to avoid writing -0 or -0.000 */
McuUtility_Num32sToStr(dst, dstSize, 0); /* just write the zero */
} else if (isNeg) { /* for negative numbers, write it with sign */
McuUtility_strcpy(dst, dstSize, (unsigned char*)"-");
McuUtility_strcatNum32s(dst, dstSize, (int32_t)integral);
} else {
McuUtility_Num32sToStr(dst, dstSize, (int32_t)integral);
}
/* write fractional part */
if (nofFracDigits>0) {
McuUtility_chcat(dst, dstSize, '.');
McuUtility_strcatNum32uFormatted(dst, dstSize, fractional, '0', nofFracDigits);
}
}
/*
** ===================================================================
** Method : strcatNumFloat (component Utility)
**
** Description :
** Converts a float value into a string.
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** val - Value to be converted.
** nofFracDigits - Number of factional
** digits to print
** Returns : Nothing
** ===================================================================
*/
void McuUtility_strcatNumFloat(uint8_t *dst, size_t dstSize, float val, uint8_t nofFracDigits)
{
uint8_t buf[32];
McuUtility_NumFloatToStr(buf, sizeof(buf), val, nofFracDigits);
McuUtility_strcat(dst, dstSize, buf);
}
/*
** ===================================================================
** Method : GetValue16LE (component Utility)
**
** Description :
** Returns a 16bit Little Endian value from memory
** Parameters :
** NAME - DESCRIPTION
** * dataP - Pointer to memory
** Returns :
** --- - Error code
** ===================================================================
*/
uint16_t McuUtility_GetValue16LE(uint8_t *dataP)
{
return (uint16_t)((dataP[1]<<8)+(dataP[0]));
}
/*
** ===================================================================
** Method : GetValue24LE (component Utility)
**
** Description :
** Returns a 24bit Little Endian value from memory
** Parameters :
** NAME - DESCRIPTION
** * dataP - Pointer to memory
** Returns :
** --- - Error code
** ===================================================================
*/
uint32_t McuUtility_GetValue24LE(uint8_t *dataP)
{
return (uint32_t)(((uint32_t)dataP[2])<<16)+(dataP[1]<<8)+(dataP[0]);
}
/*
** ===================================================================
** Method : GetValue32LE (component Utility)
**
** Description :
** Returns a 32bit Little Endian value from memory
** Parameters :
** NAME - DESCRIPTION
** * dataP - Pointer to memory
** Returns :
** --- - Error code
** ===================================================================
*/
uint32_t McuUtility_GetValue32LE(uint8_t *dataP)
{
return (uint32_t)(((uint32_t)dataP[3])<<24)+(((uint32_t)dataP[2])<<16)+(dataP[1]<<8)+(dataP[0]);
}
/*
** ===================================================================
** Method : SetValue16LE (component Utility)
**
** Description :
** Stores a 16bit value in memory as Little Endian
** Parameters :
** NAME - DESCRIPTION
** data - Value to store
** * dataP - Pointer to memory
** Returns : Nothing
** ===================================================================
*/
void McuUtility_SetValue16LE(uint16_t data, uint8_t *dataP)
{
dataP[0] = (uint8_t)(data&0xff); /* LSB */
dataP[1] = (uint8_t)((data>>8)&0xff); /* MSB */
}
/*
** ===================================================================
** Method : SetValue24LE (component Utility)
**
** Description :
** Stores a 24bit value in memory as Little Endian
** Parameters :
** NAME - DESCRIPTION
** data - Value to store
** * dataP - Pointer to memory
** Returns : Nothing
** ===================================================================
*/
void McuUtility_SetValue24LE(uint32_t data, uint8_t *dataP)
{
dataP[0] = (uint8_t)(data&0xff); /* LSB */
dataP[1] = (uint8_t)((data>>8)&0xff);
dataP[2] = (uint8_t)((data>>16)&0xff);
}
/*
** ===================================================================
** Method : SetValue32LE (component Utility)
**
** Description :
** Stores a 32bit value in memory as Little Endian
** Parameters :
** NAME - DESCRIPTION
** data - Value to store
** * dataP - Pointer to memory
** Returns : Nothing
** ===================================================================
*/
void McuUtility_SetValue32LE(uint32_t data, uint8_t *dataP)
{
dataP[0] = (uint8_t)(data&0xff); /* LSB */
dataP[1] = (uint8_t)((data>>8)&0xff);
dataP[2] = (uint8_t)((data>>16)&0xff);
dataP[3] = (uint8_t)((data>>24)&0xff);
}
/*
** ===================================================================
** Method : Deinit (component Utility)
**
** Description :
** Driver De-Initialization
** Parameters : None
** Returns : Nothing
** ===================================================================
*/
void McuUtility_Deinit(void)
{
/* nothing needed */
}
/*
** ===================================================================
** Method : Init (component Utility)
**
** Description :
** Driver Initialization
** Parameters : None
** Returns : Nothing
** ===================================================================
*/
void McuUtility_Init(void)
{
/* nothing needed */
}
/*
** ===================================================================
** Method : map (component Utility)
**
** Description :
** Maps a value from one range to another
** Parameters :
** NAME - DESCRIPTION
** x - value to be mapped
** in_min - input range minimum value
** in_max - input range maximum value
** out_min - output range minimum value
** out_max - output range maximum value
** Returns :
** --- - remapped value
** ===================================================================
*/
int32_t McuUtility_map(int32_t x, int32_t in_min, int32_t in_max, int32_t out_min, int32_t out_max)
{
#if 0 /* original Arduino implementation */
return (x-in_min)*(out_max-out_min)/(in_max-in_min)+out_min;
#else /* improved version, see https://github.com/arduino/Arduino/issues/2466 */
if ((in_max - in_min) > (out_max - out_min)) {
return (x - in_min) * (out_max - out_min+1) / (in_max - in_min+1) + out_min;
} else {
return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
#endif
}
/*
** ===================================================================
** Method : constrain (component Utility)
**
** Description :
** Makes sure that a given input value is inside a given range.
** Parameters :
** NAME - DESCRIPTION
** val - input value
** min - range minimum value
** max - range maximum value
** Returns :
** --- - the constrained value
** ===================================================================
*/
int32_t McuUtility_constrain(int32_t val, int32_t min, int32_t max)
{
if (val<min) {
return min;
} else if (val>max) {
return max;
}
return val;
}
/*
** ===================================================================
** Method : random (component Utility)
**
** Description :
** Provides a random value. You have to call intialize the
** random number generator with randomSetSeed() first!
** Parameters :
** NAME - DESCRIPTION
** min - range minimum value
** max - range maximum value
** Returns :
** --- - random value between min and max
** ===================================================================
*/
int32_t McuUtility_random(int32_t min, int32_t max)
{
int32_t val;
val = rand()%(max-min+1)+min;
return McuUtility_constrain(val, min, max);
}
/*
** ===================================================================
** Method : randomSetSeed (component Utility)
**
** Description :
** Sets a seed for the random number generator
** Parameters :
** NAME - DESCRIPTION
** seed - seed to be used for random number
** generator
** Returns : Nothing
** ===================================================================
*/
void McuUtility_randomSetSeed(unsigned int seed)
{
srand(seed); /* set random number generator seed */
}
/*
** ===================================================================
** Method : map64 (component Utility)
**
** Description :
** Maps a value from one range to another, using 64bit math
** Parameters :
** NAME - DESCRIPTION
** x - value to be mapped
** in_min - input range minimum value
** in_max - input range maximum value
** out_min - output range maximum value
** out_max -
** Returns :
** --- - remapped value
** ===================================================================
*/
#ifdef __GNUC__ /* HIWARE compiler does not support 64bit data types */
int64_t McuUtility_map64(int64_t x, int64_t in_min, int64_t in_max, int64_t out_min, int64_t out_max)
{
if ((in_max - in_min) > (out_max - out_min)) {
return (x - in_min) * (out_max - out_min+1) / (in_max - in_min+1) + out_min;
} else {
return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
}
#endif
/*
** ===================================================================
** Method : strcatNumHex (component Utility)
**
** Description :
** Appends a value as hex valalue to a string buffer as hex
** number (without a 0x prefix), with variable number of digits
** Parameters :
** NAME - DESCRIPTION
** * dst - Pointer to destination string
** dstSize - Size of the destination buffer (in
** bytes).
** num - Value to convert.
** nofBytes - Number of bytes to write
** Returns : Nothing
** ===================================================================
*/
void McuUtility_strcatNumHex(uint8_t *dst, size_t dstSize, uint32_t num, uint8_t nofBytes)
{
if (nofBytes==1) {
McuUtility_strcatNum8Hex(dst, dstSize, (uint8_t)num);
} else if (nofBytes==2) {
McuUtility_strcatNum16Hex(dst, dstSize, (uint16_t)num);
} else if (nofBytes==3) {
McuUtility_strcatNum24Hex(dst, dstSize, num);
} else { /* nofBytes==4 */
McuUtility_strcatNum32Hex(dst, dstSize, num);
}
}
/*
** ===================================================================
** Method : ScanRGB (component Utility)
**
** Description :
** Scans a RGB value and stores it in r, g and b. String can be
** a single hex number (0x120506) or three decimal values (18 5
** 6)
** Parameters :
** NAME - DESCRIPTION
** str - String to scan
** * r - Pointer to red value
** * g - Pointer to green value
** * b - Pointer to blue value
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ScanRGB(const unsigned char **str, uint8_t *r, uint8_t *g, uint8_t *b)
{
const unsigned char *p;
int32_t val32;
int32_t rv, gv, bv;
p = *str;
while(*p==' ') {
p++; /* skip leading spaces */
}
if ( *p=='0' && *(p+1)=='x' /* hexadecimal, read single number */
&& McuUtility_xatoi(&p, &val32)==ERR_OK
&& val32 <= 0xffffff
)
{
*r = (uint8_t)((val32>>16)&0xff);
*g = (uint8_t)((val32>>8)&0xff);
*b = (uint8_t)(val32&0xff);
*str = p;
return ERR_OK;
} else { /* not starting with 0x (hex): read three values */
if ( McuUtility_xatoi(&p, &rv)==ERR_OK && rv>=0 && rv<=0xff
&& McuUtility_xatoi(&p, &gv)==ERR_OK && gv>=0 && gv<=0xff
&& McuUtility_xatoi(&p, &bv)==ERR_OK && bv>=0 && bv<=0xff
)
{
*r = (uint8_t)rv;
*g = (uint8_t)gv;
*b = (uint8_t)bv;
*str = p;
return ERR_OK;
}
}
return ERR_FAILED;
}
/*
** ===================================================================
** Method : ScanWRGB (component Utility)
**
** Description :
** Scans a WRGB value and stores it in r, g, b and w. String
** can be a single hex number (0x12050608) or three decimal
** values (18 5 6 8)
** Parameters :
** NAME - DESCRIPTION
** str - String to scan
** * w - Pointer to white value
** * r - Pointer to red value
** * g - Pointer to green value
** * b - Pointer to blue value
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ScanWRGB(const unsigned char **str, uint8_t *w, uint8_t *r, uint8_t *g, uint8_t *b)
{
const unsigned char *p;
int32_t val32;
int32_t rv, gv, bv, wv;
p = *str;
while(*p==' ') {
p++; /* skip leading spaces */
}
if ( *p=='0' && *(p+1)=='x' /* hexadecimal, read single number */
&& McuUtility_xatoi(&p, &val32)==ERR_OK
)
{
*w = (uint8_t)((val32>>24)&0xff);
*r = (uint8_t)((val32>>16)&0xff);
*g = (uint8_t)((val32>>8)&0xff);
*b = (uint8_t)(val32&0xff);
*str = p;
return ERR_OK;
} else { /* not starting with 0x (hex): read three values */
if ( McuUtility_xatoi(&p, &rv)==ERR_OK && rv>=0 && rv<=0xff
&& McuUtility_xatoi(&p, &gv)==ERR_OK && gv>=0 && gv<=0xff
&& McuUtility_xatoi(&p, &bv)==ERR_OK && bv>=0 && bv<=0xff
&& McuUtility_xatoi(&p, &wv)==ERR_OK && wv>=0 && wv<=0xff
)
{
*w = (uint8_t)wv;
*r = (uint8_t)rv;
*g = (uint8_t)gv;
*b = (uint8_t)bv;
*str = p;
return ERR_OK;
}
}
return ERR_FAILED;
}
/*
** ===================================================================
** Method : ScanRGB32 (component Utility)
**
** Description :
** Scans a RGB value and stores it in a single 32bit value.
** String can be a single hex number (0x120506) or three
** decimal values (18 5 6)
** Parameters :
** NAME - DESCRIPTION
** str - String to scan
** * rgb - Pointer to rgb value
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ScanRGB32(const unsigned char **str, uint32_t *rgb)
{
uint8_t res, r, g, b;
res = McuUtility_ScanRGB(str, &r, &g, &b);
if (res==ERR_OK) {
*rgb = ((uint32_t)r<<16)|((uint32_t)g<<8)|b;
return ERR_OK;
}
return ERR_FAILED;
}
/*
** ===================================================================
** Method : ScanWRGB32 (component Utility)
**
** Description :
** Scans a WRGB value and stores it in a single 32bit value.
** String can be a single hex number (0x12050608) or three
** decimal values (18 5 6 8)
** Parameters :
** NAME - DESCRIPTION
** str - String to scan
** * rgbw - Pointer to wrgb value
** Returns :
** --- - Error code
** ===================================================================
*/
uint8_t McuUtility_ScanWRGB32(const unsigned char **str, uint32_t *rgbw)
{
uint8_t res, r, g, b, w;
res = McuUtility_ScanWRGB(str, &w, &r, &g, &b);
if (res==ERR_OK) {
*rgbw = ((uint32_t)w<<24)|((uint32_t)r<<16)|((uint32_t)g<<8)|b;
return ERR_OK;
}
return ERR_FAILED;
}
/*
** ===================================================================
** Method : SkipSpaces (component Utility)
**
** Description :
** Skips spaces
** Parameters :
** NAME - DESCRIPTION
** * str - Pointer to string to scan. Returns until
** where it has scanned.
** Returns : Nothing
** ===================================================================
*/
void McuUtility_SkipSpaces(const unsigned char **str)
{
while(**str == ' ') {
(*str)++; /* skip space */
}
}
/* END McuUtility. */
/*!
** @}
*/