hlrese.cpp

vc下串口通讯开发程序

#include "stdafx.h"
#include "HLReSe.h"
#include <time.h>
#include "stdlib.h"
#include "cqm.h"
#define warningEventBufNum	32


HANDLE gComHandleProc = NULL;


void RemoveForModemDelay(char *inBuf, char *outBuf)
{
	short i = 0;
	short j = 1000;
	char *tt = inBuf;
	while(*tt != '*'&& *tt!=0)
	{
		if(*tt == '@') j = i;
		i ++;
	}
	if(j == 1000) outBuf[0]=0;
	else
	{
		for(i = j; i< (short)strlen(inBuf); i ++)
			outBuf[i-j] = inBuf[j+i];
		outBuf[i-j] = 0;
	}
}

void AddForModemDelay(char *inBuf, char *outBuf)
{
#define delayLetter 45
	short i;
	for(i = 0; i< delayLetter; i++)
		outBuf[i]='@';
	for(short ii =0; ii <(short)strlen(inBuf); ii ++)
		outBuf[i+ii] = inBuf[ii];
	outBuf[i+ii] = 0;
}

unsigned char
CalculateFCS(char *inBuf, char *inendBuf)
{
	BYTE fcs = 0;	while(inBuf != inendBuf)
		fcs ^=(BYTE)*inBuf ++;
	return fcs;
}

short AnalysisRDRespone(char *inBuf, char *outBuf)
{
	if(!ExtractHostLinkText(inBuf, outBuf)) return 0;
	if(CalculateHex(outBuf[0])*16+CalculateHex(outBuf[1]) !=0) return 0;
	int count = strlen(outBuf)-2;
	if(count<3) return count;
	int aa;
	for(aa = 0; aa <count; aa ++)
		outBuf[aa]= outBuf[aa+2];
	outBuf[aa] =0;
	return count/4;
}

short AnalysisRDRespone_h1(char *inBuf, char *outBuf)
{
	if(!ExtractHostLinkText(inBuf, outBuf)) return 0;
//	if(CalculateHex(outBuf[0])*16+CalculateHex(outBuf[1]) !=0) return 0;
	int count = strlen(outBuf)-2;
	if(count&3) return count+2;
	int aa;
	for(aa = 0; aa <count; aa ++)
		outBuf[aa]= outBuf[aa+2];
	outBuf[aa] =0;
	return count/4;
}

short AnalysisRDResponeShort(char *inBuf, short *outShort)
{
	short count = outShort[0];
	for(int aa = 0; aa <count; aa ++)
		outShort[aa]= CombineOneShort(inBuf+aa*4);
	return count;
}

void
ConvertShort2BCD(short inShort, char *bcd)
{
	short aa = inShort/1000;
	inShort -= aa *1000;
	if(aa >9) bcd[0] = 'a'+aa-10;
	else bcd[0]='0'+aa;
	aa = inShort/100;
	inShort -= aa *100;
	if(aa >9) bcd[1] = 'a'+aa-10;
	else bcd[1]='0'+aa;
	aa = inShort/10;
	inShort -= aa *10;
	if(aa >9) bcd[2] = 'a'+aa-10;
	else bcd[2]='0'+aa;
	aa = inShort;
	if(aa >9) bcd[3] = 'a'+aa-10;
	else bcd[3]='0'+aa;
}

short
CombineOneShort(char *inBuf)
{
	return	CalculateHex(inBuf[0])*10*10*10 +
			CalculateHex(inBuf[1])*10*10	+
			CalculateHex(inBuf[2])*10		+
			CalculateHex(inBuf[3]);
}
long 
CombineOneShort_ToHex(char *inBuf)
{
	return	CalculateHex(inBuf[0])*16*16*16 +
			CalculateHex(inBuf[1])*16*16	+
			CalculateHex(inBuf[2])*16		+
			CalculateHex(inBuf[3]);
}

unsigned char
CalculateHex(char inChar)
{
	if(inChar<='9' && inChar >='0')
		return inChar -'0';
	if((inChar>='a' && inChar <='f'))
		return inChar-'a'+10;
	if(inChar>='A' && inChar <='F')
		return inChar-'A'+10;
	return 0;
}
void EncodeTextToHostLinkCommandFortl(char *inBuf, char *error,char *outBuf)
{
	char *pTempPtr = outBuf;
//Host Link Begin Part----one Byte
	*pTempPtr ++ = '@';
//Host Link Node NO. part----two bytes
	*pTempPtr ++ = (NodeNo%100)/10+'0';
	*pTempPtr ++ = (NodeNo%10)+'0';
//Host Link Hearder Code----two bytes
//	*pTempPtr ++ = 'R';
//	*pTempPtr ++ = 'R';
//Host Link Text
//	while(*inBuf != 0) *pTempPtr ++ = *inBuf ++;
	*pTempPtr ++ = *error ++;
	*pTempPtr ++ = *error ++;
	*pTempPtr ++ = *error ++;
	*pTempPtr ++ = *error ++;

	while(*inBuf != 0) *pTempPtr ++ = *inBuf ++;

//Host Link FCS-----two Bytes
	BYTE fcs = CalculateFCS(outBuf, pTempPtr);
	
	BYTE tt = fcs>>4;
	if(tt>9) *pTempPtr ++ ='A'+tt-10;
	else *pTempPtr ++ ='0'+tt;
	tt = fcs&0X0F;
	if(tt>9) *pTempPtr ++ ='A'+tt-10;
	else *pTempPtr ++ ='0'+tt;
//Host Link Termitor-----two Bytes
	*pTempPtr ++ = '*';
	*pTempPtr ++ = 13;
	*pTempPtr ++ = 0;


}

void EncodeTextToHostLinkCommand(char *inBuf, char *outBuf)
{
	char *pTempPtr = outBuf;
//Host Link Begin Part----one Byte
	*pTempPtr ++ = '@';
//Host Link Node NO. part----two bytes
	*pTempPtr ++ = (NodeNo%100)/10+'0';
	*pTempPtr ++ = (NodeNo%10)+'0';
//Host Link Hearder Code----two bytes
//	*pTempPtr ++ = 'R';
//	*pTempPtr ++ = 'R';
//Host Link Text
//	while(*inBuf != 0) *pTempPtr ++ = *inBuf ++;
	while(*inBuf != 0) *pTempPtr ++ = *inBuf ++;

//Host Link FCS-----two Bytes
	BYTE fcs = CalculateFCS(outBuf, pTempPtr);
	
	BYTE tt = fcs>>4;
	if(tt>9) *pTempPtr ++ ='A'+tt-10;
	else *pTempPtr ++ ='0'+tt;
	tt = fcs&0X0F;
	if(tt>9) *pTempPtr ++ ='A'+tt-10;
	else *pTempPtr ++ ='0'+tt;
//Host Link Termitor-----two Bytes
	*pTempPtr ++ = '*';
	*pTempPtr ++ = 13;
	*pTempPtr ++ = 0;

}

bool
ExtractHostLinkText(char *inBuf, char *outBuf)
{
	if(*inBuf == '@')
	{
		char *pTemp = inBuf;
		while(*pTemp != '*' && *pTemp != 0) pTemp ++;
		if(*pTemp == '*')
		{
			if(*(pTemp+1) == 13)
			{
				BYTE code = CalculateFCS(inBuf, pTemp-2);
				if(code == (CalculateHex(*(pTemp-1))+CalculateHex(*(pTemp-2))*16))
//				if(code == *(pTemp-1)-'0'+((*(pTemp-2)-'0')<<4))
				{
					char *pTemp2 = inBuf+5;
					while(pTemp2 != pTemp-2) *outBuf ++ = *pTemp2 ++;
					*outBuf = 0;
					return true;
				}
			}
		}
	}
	return false;
}

bool
InitComPort(short inNO, short baudRate)
{
	DCB dcb;
//	DWORD dwError;
	BOOL fSuccess = false;
	
	if(inNO == 1)
	{
		gComHandleProc = CreateFile( "COM1",
			GENERIC_READ | GENERIC_WRITE,
			0,    // comm devices must be opened w/exclusive-access 
			NULL, // no security attributes 
			OPEN_EXISTING, // comm devices must use OPEN_EXISTING 
			0,    // not overlapped I/O 
			NULL  // hTemplate must be NULL for comm devices 
			);
	}
	else
//	if (gComHandleProc == INVALID_HANDLE_VALUE) 
	{
		// handle error 
		gComHandleProc = CreateFile( "COM2",
			GENERIC_READ | GENERIC_WRITE,
			0,    // comm devices must be opened w/exclusive-access 
			NULL, // no security attributes 
			OPEN_EXISTING, // comm devices must use OPEN_EXISTING 
			0,    // not overlapped I/O 
			NULL  // hTemplate must be NULL for comm devices 
			);
	}
	if (gComHandleProc == INVALID_HANDLE_VALUE) return FALSE;

	SetCommMask(gComHandleProc,EV_CTS|EV_DSR);

	// Omit the call to SetupComm to use the default queue sizes.
	// Get the current configuration.

	fSuccess = GetCommState(gComHandleProc, &dcb);

	if (!fSuccess) 
	{
		EndComm();
		return false;
	}

	// Fill in the DCB: baud=1200, 8 data bits, no parity, 1 stop bit. 

	dcb.BaudRate = baudRate;
	dcb.ByteSize =7;// 8;
	dcb.Parity = EVENPARITY;//NOPARITY;
	dcb.StopBits = TWOSTOPBITS;//ONESTOPBIT;
	dcb.fRtsControl = 0;
	fSuccess = SetCommState(gComHandleProc, &dcb);
	if(!fSuccess) 
	{
		EndComm();
		return false;
	}

	COMMTIMEOUTS cto;
	GetCommTimeouts(gComHandleProc, &cto);
	cto.ReadTotalTimeoutConstant	= 100;
	cto.ReadTotalTimeoutMultiplier	= 12000/dcb.BaudRate;
	fSuccess = SetCommTimeouts(gComHandleProc, &cto);
	if(!fSuccess) 
	{
		EndComm();
		return false;
	}
	return true;
}

void
EndComm()
{
	if (gComHandleProc != INVALID_HANDLE_VALUE) 
	{
		CloseHandle(gComHandleProc);
		gComHandleProc = INVALID_HANDLE_VALUE;
	}
		
}

/*
void WINAPI 
GetAllData15M(DataTransfer *iodt, short nodeNO)
{
}
*/
//===End