/***************************************************************************
?*
?*?@file	functions.c
?*?@brief	This?is?functions?sub?driver?program?file（C17W15）?used?to?calculation?some?mathematical?functions.
?*
?*?@par		Copyright:
?*			Copyright?（C）?HS-WuTing?2015.?All?rights?reserved.
?*
?*?@warning?-
?*
?*?@par		27/07/2015????1.0
?*				-?First?revision.
?*
?**************************************************************************/
#include?“params.h“

/***************************************************************************
?*?startWith?function.
?*
?*?@brief	Judge?the?first?char.
?**************************************************************************/
char?startWith（unsigned?char?*?p1unsigned?char?*?p2）
{
??while（*p2）
??{
????if（!*p1）
??????return?0;
????if（*p1++?!=?*p2++）
??????return?0;
??}
??return?1;
}


/***************************************************************************
?*?dectoBCD?function.
?*
?*?@brief	Convert?DEC?to?BCD?of?the?char.
?**************************************************************************/
unsigned?char?dectoBCD（unsigned?char?dec）
{
???unsigned?char?bcd?=?0;
???bcd?=?（（dec/10）<<4）?|?（dec%10）;
???return?bcd;
}


/***************************************************************************
?*?BCDtoDec?function.
?*
?*?@brief	Convert?BCD?to?DEC?of?the?char.
?**************************************************************************/
unsigned?char?BCDtoDec（unsigned?char?bcd）
{
???unsigned?char?dec?=?0;
???dec?=?（（bcd?>>?4）?&?0x0F）*10?+?（bcd?&?0x0F）;
???return?dec;
}


/***************************************************************************
?*?DotHextoDotDec?function.
?*
?*?@brief	Convert?Dot?HEX?to?Dot?DEC?of?the?char.
?**************************************************************************/
float?dotHextoDotDec（unsigned?long?dotHex）
{
???float?dotDec?=?0;
???dotDec?=?（float）（（（dotHex?>>?28）?&?0x0000000F）*4096?+?（（dotHex?>>?24）?&?0x0000000F）*256?+?（（dotHex?>>?20）?&?0x0000000F）*16?+?（（dotHex?>>?16）?&?0x0000000F）*1）;
???dotDec?=?dotDec?+?（（float）（（dotHex?>>?12）?&?0x0000000F））/16?+?（（float）（（dotHex?>>?8）?&?0x0000000F））/256?+?（（float）（（dotHex?>>?4）?&?0x0000000F））/4096?+?（（float）（（dotHex?>>?0）?&?0x0000000F））/65536;
???return?dotDec;
}


/***************************************************************************
?*?sumCheck?function.
?*
?*?@brief	Used?to?IR?communication?of?sum?check.
?**************************************************************************/
unsigned?char?sumCheck（unsigned?char?*p1?unsigned?char?len）
{
??unsigned?char?i?temp?=?0;
??for（i?=?0;?i???{
????temp?+=?p1[i];
??}
??return?temp;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????19033??2014-05-07?13:59??超聲水表程序GP22\Backup?（2）?of?CSSBV1.0.ewd

?????文件??????47771??2014-05-07?13:47??超聲水表程序GP22\Backup?（2）?of?CSSBV1.0.ewp

?????文件??????19032??2014-04-29?11:11??超聲水表程序GP22\Backup?of?CSSBV1.0.ewd

?????文件??????47794??2014-05-04?16:23??超聲水表程序GP22\Backup?of?CSSBV1.0.ewp

?????文件???????8624??2016-03-30?16:18??超聲水表程序GP22\CSSBV1.0.dep

?????文件??????20423??2014-05-14?14:15??超聲水表程序GP22\CSSBV1.0.ewd

?????文件??????52679??2016-01-15?14:40??超聲水表程序GP22\CSSBV1.0.ewp

?????文件????????162??2014-04-22?10:14??超聲水表程序GP22\CSSBV1.0.eww

?????文件?????????25??2016-03-30?16:18??超聲水表程序GP22\CSSBV1.0CustomSfr.sfr

?????文件??????73665??2016-03-30?15:45??超聲水表程序GP22\Debug\Exe\CSSBV1.0.d43

?????文件???????3315??2015-07-17?23:15??超聲水表程序GP22\Debug\Exe\CSSBV1.0.txt

?????文件??????95038??2016-03-30?15:45??超聲水表程序GP22\Debug\List\CSSBV1.0.map

?????文件????1201550??2016-03-30?15:45??超聲水表程序GP22\Debug\Obj\CSSBV1.pbd

?????文件????1201550??2016-03-30?15:45??超聲水表程序GP22\Debug\Obj\CSSBV1.pbd.browse

?????文件????????870??2014-05-05?08:51??超聲水表程序GP22\Debug\Obj\EW10.r43

?????文件????????870??2014-04-25?08:47??超聲水表程序GP22\Debug\Obj\EW11.r43

?????文件????????870??2014-05-05?08:53??超聲水表程序GP22\Debug\Obj\EW15.r43

?????文件????????872??2014-04-22?15:03??超聲水表程序GP22\Debug\Obj\EW156.r43

?????文件????????872??2014-05-07?13:47??超聲水表程序GP22\Debug\Obj\EW16B.r43

?????文件????????872??2014-05-07?13:47??超聲水表程序GP22\Debug\Obj\EW16D.r43

?????文件????????872??2014-05-07?13:47??超聲水表程序GP22\Debug\Obj\EW16F.r43

?????文件????????872??2014-04-22?15:54??超聲水表程序GP22\Debug\Obj\EW170.r43

?????文件????????872??2014-05-07?13:47??超聲水表程序GP22\Debug\Obj\EW171.r43

?????文件????????872??2014-04-22?16:08??超聲水表程序GP22\Debug\Obj\EW176.r43

?????文件????????872??2014-04-22?16:09??超聲水表程序GP22\Debug\Obj\EW178.r43

?????文件????????872??2014-05-07?13:49??超聲水表程序GP22\Debug\Obj\EW179.r43

?????文件????????872??2014-05-07?13:50??超聲水表程序GP22\Debug\Obj\EW17B.r43

?????文件????????872??2014-05-07?13:50??超聲水表程序GP22\Debug\Obj\EW17D.r43

?????文件????????872??2014-04-22?16:16??超聲水表程序GP22\Debug\Obj\EW17F.r43

?????文件????????872??2014-04-22?16:17??超聲水表程序GP22\Debug\Obj\EW182.r43

............此處省略137個文件信息