tools.c

名厂车载GPS通信终端

#define TOOLS_GLOBAL

#include "includes.h"
#pragma ROM DegreeTxt[]
const char far DegreeTxt[3][]={{0xb6,0xc8,0},{0xb7,0xd6,0},{0xc3,0xeb,0}};

#pragma ROM Fcstab[]

unsigned int far Fcstab[256] = {
		0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
		0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
		0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e,
		0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,
		0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd,
		0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,
		0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c,
		0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,
		0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
		0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,
		0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a,
		0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,
		0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9,
		0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
		0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738,
		0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,
		0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7,
		0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
		0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036,
		0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,
		0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5,
		0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,
		0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134,
		0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,
		0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3,
		0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,
		0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
		0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,
		0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1,
		0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,
		0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330,
		0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78
};

uchar *streamptr;
uchar *stealptr;
uint  streamlen;

uint _stringlen(uchar far *str)
{
	uint i;
	
	i = 0;
	while(str[i]!='\0')i++;
	
	return i;
}

void Init_Stream(void)   //add by lrx
{
	streamlen = 0;
	streamptr = streadmbuf;
	stealptr  = streadmbuf;
}

void Write_Absbyte_Stream(uint num,uchar ch)
{
	stealptr[num] = ch;
}

void Write_Absword_Stream(uint num ,uint ch)
{
	stealptr[num]   = ch&0x00ff;
	stealptr[num+1] = (ch>>8)&0x00ff;
}

void Write_Byte_Stream(uchar ch)
{
	*streamptr++ = ch;
	streamlen++;
}

uchar Num2Ascii(uchar ch)
{
	if(ch<10)
	{
		return ch+0x30;
	}
	else
	{
		return ch+'A'-0x0a;
	}
}

void Write_Ascii_Stream(uchar far *ptr,uint len)
{
	uint i;
	
	for(i=0; i<len; i++,ptr++)
	{
		Write_Byte_Stream(Num2Ascii((*ptr)>>4));
		Write_Byte_Stream(Num2Ascii((*ptr)&0x0f));
	}
}

void Write_Word_Stream(uint ch)
{
	*streamptr++ = ch&0x00ff;
	*streamptr++ = (ch>>8)&0x00ff;
	streamlen   += 2;
}

void write_crc_stream(void)
{
	streamlen += 2;
	streamptr += 2;
	crc_gen(stealptr,streamlen);
}

void Write_Ptr_Stream(uchar far *ptr,uint len)
{
	uint i;
	
	for(i=0; i<len; i++)
	{
		*streamptr++ = *ptr++;
	}
	streamlen += len;
}

uint Get_Stream_Len(void)
{
	return streamlen;
}

uchar *Get_Stream_Headptr(void)
{
	return stealptr;
}

void Write_Code_Stream(uchar far *ptr,uchar far key,uchar ptrlen,uchar len)
{
	uchar i;
	
	for(i=0; i<ptrlen; i++)
	{
		*streamptr++ = *ptr++;
	}
	if(len>ptrlen)
	{
		for(i=0; i<len-ptrlen; i++)
		{
			*streamptr++ = key;
		}
	}
	streamlen += len;
}

void Write_Tel_Stream(uchar far *tel,uchar tellen,uchar limitlen)
{
	uchar i;
	uchar len;
	uchar temp;
	
	len = 0;
	for(i=0; i<tellen/2; i++)
	{
		temp = (tel[2*i]-0x30)*16+(tel[2*i+1]-0x30);
		Write_Byte_Stream(temp);
		len ++;
	}
	if(tellen&0x01)
	{
		temp = (tel[tellen-1]-0x30)*16+0x0f;
		Write_Byte_Stream(temp);
		len ++;
	}
	while(len<limitlen)
	{
		Write_Byte_Stream(0xff);
		len ++;
	}
}

void Set_Word_Bit(uint *ch,uchar bit)        //add by lrx
{
	*ch |=0x0001<<bit;
}

void Clr_Word_Bit(uint *ch,uchar bit)
{
	*ch &=~(0x0001<<bit);
}

uint Get_Word_Bit(uint *ch,uchar bit)
{
	return ((*ch)>>bit)&0x0001;
}

void Set_Char_Bit(uchar *ch,uchar bit)
{
	*ch |=0x0001<<bit;
}

void Clr_Char_Bit(uchar *ch,uchar bit)
{
	*ch &=~(0x01<<bit);
}

uchar Get_Char_Bit(uchar *ch,uchar bit)
{
	return ((*ch)>>bit)&0x01;
}

uint FCS(uint fcs, uint c)
{
	uint xor;
	xor  = fcs;
	xor ^= c;
	return (((fcs) >> 8) ^ Fcstab[xor & 0x00ff]);
}

uchar crc_check(uchar far *buf,uint len)
{
	uint crc;
	
	crc = FCS_START;
	while(len--)
	{
		crc = FCS(crc,*buf++);
	}
	if(crc == FCS_FINAL) return TRUE ;
	return FALSE ;
	//return () ? 0 : 1;
}

uint Crc_Cal(uchar *buf,uint len)
{
	uint crc;
	
	crc = FCS_START;
	while(len-- > 0)
		crc = FCS(crc,*buf++);
	crc ^= 0xffff;
	
	return crc;
}

void crc_gen(uchar far *buf,uint len)
{
	uint crc;
	
	crc = FCS_START;
	while(len-- > 2)
		crc = FCS(crc,*buf++);
	crc ^= 0xffff;
	*buf++ = crc;
	*buf = crc >> 8;;
}

uchar Str2Hex(uchar *src,uchar len)
{
	uchar i;
	uchar result;
	
	result =0;
	for(i=0; i<len; i++,src++)
	{
		result *= 10;
		result += *src -'0';
	}
	return result;
}
uchar Str_Find(uchar *src,uint srclen,uchar far *searchstr) //add by lrx
{
	uint i;
	uint j;
	uint searchlen;
	
	searchlen = _stringlen(searchstr);
	if(searchlen>srclen) return FALSE;
	
	for(i=0; i<=srclen-searchlen; i++,src++)
	{
		if(Str_Cmp(src,searchstr,searchlen)) return TRUE;
	}
	
	return FALSE;
}

uint Find_Pos(uchar far *src,uint srclen,uchar ch,uchar num)        //add by lrx
{
	uint i;
	uchar count;
	
	count = 0;
	for(i=0; i<srclen; i++,src++)
	{
		if(*src==ch)
		{
			count++;
			if(count == num)return i;
		}
	}
	return 0xffff;
}

uchar Str_Cmp(uchar far *src,uchar far *des,uchar len)         //add by lrx
{
	uchar i;
	
	for(i=0; i<len; i++,src++,des++)
	{
		if(*src!=*des) return FALSE;
	}
	return TRUE;
}

void Find_Proc(ENTRY_PROC far *p,uchar msgid,uchar len)  //add by lrx
{
	uchar i;
	
	for(i=0; i<len; i++)
	{
		if(p[i].msgid==msgid)
		{
			p[i].proc();
			break;
		}
	}
}

void Find_Part_Proc(PART_ENTRY_PROC far *p,uint msgid,uchar len) //add by lrx
{
	uchar i;
	
	for(i=0; i<len; i++)
	{
		if(p[i].msgid==msgid)
		{
			p[i].proc();
			break;
		}
	}
}

/*WORD _ms2degreeStr(DWORD value,LPBYTE dst)//将毫秒转成  xxx度xxxx分xxxx.xxxx秒//
{
WORD  dstlen;
UCHAR degree,minute,second;
UCHAR str[10],len;
DWORD residual;

  degree=value/3600000L;
  len=IntToStr(degree,str);
  _Memcpy(dst,str,len);
  dstlen=len;
  _Memcpy(dst+dstlen,DegreeTxt[0],2);
  dstlen+=2;
  
	residual=value%3600000L;
	minute=residual/60000L;
	len=IntToStr(minute,str);
	_Memcpy(dst+dstlen,str,len);
	dstlen+=len;
	_Memcpy(dst+dstlen,DegreeTxt[1],2);
	dstlen+=2;
	
	  residual=residual%60000L;
	  second=residual/1000L;
	  len=IntToStr(second,str);
	  _Memcpy(dst+dstlen,str,len);
	  dstlen+=len;
	  _Memcpy(dst+dstlen,".",1);
	  dstlen+=1;
	  
		residual=residual%1000L;
		len=IntToStr(residual,str);
		_Memcpy(dst+dstlen,str,len);
		dstlen+=len;
		_Memcpy(dst+dstlen,DegreeTxt[2],2);
		dstlen+=2;
		return dstlen;
		
}*/

/*char _far *_Strstr(const char _far *s1,const char _far *s2)
{
int  i;

  while ( *s1>0 )
  {
		for ( i = 0; s1[i] && s2[i] && s1[i] == s2[i]; i++ ) ;
		if ( s2[i] == '\0' )
		{
		return ( s1 );
		}
        s1++;
		clr_watchdog();
		}
		return ( ( char * )0 );
}*/

/*char _far *_Strstr_in_array(const char _far *s1,const char _far *s2,WORD head,WORD tail,WORD maxsize)
{
WORD  i,j;
while(tail!=head)
{

		for(i=tail,j=0;s1[i]==s2[j]&&s2[j];)
		{
		if(++i>=maxsize)	i=0;
		j++;