util.h

C语言编写的监控中心终端程序。基于GPRS上传收发数据功能

#ifndef __UTIL_H
#define __UTIL_H

#include "types.h"
#include "regmap.h"

#ifndef	__GNUC__
#define	__attribute__(x)	/**/
#endif

#define	MSF(mm,ss,ff)		(((UINT32)(mm) << 16) | ((UINT32)(ss) << 8) | (BYTE)(ff))
#define	MSF2l(mm,ss,ff)		(((mm) * 60 + (ss)) * 75 + (ff) - 150)
#define	MSFC(cna,mm,ss,ff)	(((UINT32)(cna) << 24) | \
				 ((UINT32)(mm)  << 16) | \
				 ((UINT32)(ss)  <<  8) | \
				 (BYTE)(ff))

#define	msf_mm(msf)		(((msf) >> 16) & 0xff)
#define	msf_ss(msf)		(((msf) >>  8) & 0xff)
#define	msf_ff(msf)		(((msf) >>  0) & 0xff)
#define	M2I(msf)		(msf_mm(msf) * 60 + msf_ss(msf))

extern int		bin2bcd(BYTE x)		__attribute__	((const));
extern int		bcd2bin(BYTE x)		__attribute__	((const));

extern UINT32		l2msf(UINT32);
extern UINT32		msf2l(UINT32);

extern UINT32		addmsf(UINT32, int)	__attribute__	((const));
extern UINT32		addmsf_ss(UINT32, int)	__attribute__	((const));

extern UINT32		endian_swap_32(UINT32);
extern UINT16		endian_swap_16(UINT16);

extern BYTE	       *strcpylen(BYTE *, const BYTE *, UINT16);
extern BYTE	       *strcpychn(BYTE *, const BYTE *, UINT16);
extern BYTE	       *strncat(BYTE *, const BYTE *);
extern BYTE	       *strchr(BYTE *, BYTE);
extern BYTE	       *strstr(BYTE *, BYTE *);
extern void		memcopy(BYTE *, const BYTE *, UINT16);
extern void		memload(BYTE *, UINT32, UINT16);

extern UINT32		DecStrToHex(BYTE *, BYTE);
extern void		HexToDecStr(UINT32, BYTE *, BYTE);
extern UINT32		DiffrentTwoVar(UINT32, UINT32);

extern const BYTE	Hex2Asc[];
extern void		Hex2Str(BYTE *, BYTE);
extern void		Dec2Str(BYTE *, BYTE);
extern UINT32		Str2Hex(BYTE *);
extern UINT32		Str2Dec(BYTE *);
extern void		Str2Unc(BYTE *, BYTE *);
extern BYTE		Str4Dig(BYTE *, BYTE);
extern void		Txt2Pdu(BYTE *, BYTE *);
extern void		Pdu2Txt(BYTE *, BYTE *);
extern BYTE		Pdu2Asc(BYTE *, BYTE *);
extern BYTE		IsAlpha(BYTE);
extern BYTE		IsDigit(BYTE);
extern BYTE		IsPrint(BYTE);

extern UINT16		GBKToUnicode(UINT16);
extern UINT16		UnicodeToGBK(UINT16);
extern void		StrToPDUPhone(BYTE *, BYTE *);
extern void		StrToPDUText(BYTE *, BYTE *);
extern void		PDUTextToStr(BYTE *, BYTE *);

#if !defined(SUPPORT_SDRAM_FONT) || (ROM_SIZE == 40)
extern const UINT16	UnicodeTable[][2];
#endif

#define	SwapTwoVar(a, b)	{SwapVar = a; a = b; b = SwapVar;}

#ifdef gcc
static inline int min(int x, int y)
{
    return (x) > (y) ? (y) : (x);
}

static inline int max(int x, int y)
{
    return (x) > (y) ? (x) : (y);
}
#else
#define	min(x, y)		((x) > (y) ? (y) : (x))
#define	max(x, y)		((x) > (y) ? (x) : (y))
#endif

/*
 *	Multiplication
 *	1.15 * 1.15 => 2.30
 */
static __inline int mul16(int x, int y)
{
    int			product;

    asm("mult %0, %1, %2": "=r"(product):"r"(x), "r"(y));
    return product;
}

static __inline unsigned int mul_u16(unsigned int x, unsigned int y)
{
    unsigned int	product;

    asm("multu %0, %1, %2": "=r"(product):"r"(x), "r"(y));
    return product;
}

#endif	__UTIL_H