// SendMSTP.cpp: implementation of the CSendMSTP class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "vts.h"
#include "Send.h"
#include "SendMSTP.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif
unsigned char MSTPCalcHeaderCRC( const unsigned char * pba, int len );
unsigned short MSTPCalcDataCRC( const unsigned char * pba, int len );
static const unsigned char MSTPHeaderCRC_table[256] =
{
0000, 0xfe, 0xff, 0x01, 0xfd, 0x03, 0x02, 0xfc,
0xf9, 0x07, 0x06, 0xf8, 0x04, 0xfa, 0xfb, 0x05,
0xf1, 0x0f, 0x0e, 0xf0, 0x0c, 0xf2, 0xf3, 0x0d,
0x08, 0xf6, 0xf7, 0x09, 0xf5, 0x0b, 0x0a, 0xf4,
0xe1, 0x1f, 0x1e, 0xe0, 0x1c, 0xe2, 0xe3, 0x1d,
0x18, 0xe6, 0xe7, 0x19, 0xe5, 0x1b, 0x1a, 0xe4,
0x10, 0xee, 0xef, 0x11, 0xed, 0x13, 0x12, 0xec,
0xe9, 0x17, 0x16, 0xe8, 0x14, 0xea, 0xeb, 0x15,
0xc1, 0x3f, 0x3e, 0xc0, 0x3c, 0xc2, 0xc3, 0x3d,
0x38, 0xc6, 0xc7, 0x39, 0xc5, 0x3b, 0x3a, 0xc4,
0x30, 0xce, 0xcf, 0x31, 0xcd, 0x33, 0x32, 0xcc,
0xc9, 0x37, 0x36, 0xc8, 0x34, 0xca, 0xcb, 0x35,
0x20, 0xde, 0xdf, 0x21, 0xdd, 0x23, 0x22, 0xdc,
0xd9, 0x27, 0x26, 0xd8, 0x24, 0xda, 0xdb, 0x25,
0xd1, 0x2f, 0x2e, 0xd0, 0x2c, 0xd2, 0xd3, 0x2d,
0x28, 0xd6, 0xd7, 0x29, 0xd5, 0x2b, 0x2a, 0xd4,
0x81, 0x7f, 0x7e, 0x80, 0x7c, 0x82, 0x83, 0x7d,
0x78, 0x86, 0x87, 0x79, 0x85, 0x7b, 0x7a, 0x84,
0x70, 0x8e, 0x8f, 0x71, 0x8d, 0x73, 0x72, 0x8c,
0x89, 0x77, 0x76, 0x88, 0x74, 0x8a, 0x8b, 0x75,
0x60, 0x9e, 0x9f, 0x61, 0x9d, 0x63, 0x62, 0x9c,
0x99, 0x67, 0x66, 0x98, 0x64, 0x9a, 0x9b, 0x65,
0x91, 0x6f, 0x6e, 0x90, 0x6c, 0x92, 0x93, 0x6d,
0x68, 0x96, 0x97, 0x69, 0x95, 0x6b, 0x6a, 0x94,
0x40, 0xbe, 0xbf, 0x41, 0xbd, 0x43, 0x42, 0xbc,
0xb9, 0x47, 0x46, 0xb8, 0x44, 0xba, 0xbb, 0x45,
0xb1, 0x4f, 0x4e, 0xb0, 0x4c, 0xb2, 0xb3, 0x4d,
0x48, 0xb6, 0xb7, 0x49, 0xb5, 0x4b, 0x4a, 0xb4,
0xa1, 0x5f, 0x5e, 0xa0, 0x5c, 0xa2, 0xa3, 0x5d,
0x58, 0xa6, 0xa7, 0x59, 0xa5, 0x5b, 0x5a, 0xa4,
0x50, 0xae, 0xaf, 0x51, 0xad, 0x53, 0x52, 0xac,
0xa9, 0x57, 0x56, 0xa8, 0x54, 0xaa, 0xab, 0x55
};
const unsigned short MSTPDataCRC_table[256] =
{
000000, 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
};
#define BACnetLSAP 0x82
BACnetAPDUEncoder CSendMSTP::pageContents;
/////////////////////////////////////////////////////////////////////////////
// CSendMSTP dialog
IMPLEMENT_DYNCREATE( CSendMSTP, CPropertyPage )
#pragma warning( disable : 4355 )
CSendMSTP::CSendMSTP( void )
: CSendPage( CSendMSTP::IDD )
, m_SADR( this, IDC_SADRCOMBO, IDC_SADR )
, m_DADR( this, IDC_DADRCOMBO, IDC_DADR )
{
//{{AFX_DATA_INIT(CSendMSTP)
//}}AFX_DATA_INIT
}
#pragma warning( default : 4355 )
void CSendMSTP::DoDataExchange(CDataExchange* pDX)
{
CPropertyPage::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CSendMSTP)
//}}AFX_DATA_MAP
m_SADR.UpdateData( pDX->m_bSaveAndValidate );
m_DADR.UpdateData( pDX->m_bSaveAndValidate );
}
BEGIN_MESSAGE_MAP(CSendMSTP, CPropertyPage)
//{{AFX_MSG_MAP(CSendMSTP)
ON_EN_CHANGE(IDC_SADR, OnChangeSADR)
ON_EN_CHANGE(IDC_DADR, OnChangeDADR)
ON_CBN_SELCHANGE(IDC_DADRCOMBO, OnSelchangeDADRCombo)
ON_CBN_SELCHANGE(IDC_SADRCOMBO, OnSelchangeSADRCombo)
ON_CBN_SELCHANGE(IDC_MSTPFRTYPECOMBO, OnSelchangeMstpfrtypecombo)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
//
// CSendMSTP::OnInitDialog
//
BOOL CSendMSTP::OnInitDialog()
{
TRACE0( "CSendMSTP::OnInitDialog()\n" );
CPropertyPage::OnInitDialog();
VTSDoc * pdoc = (VTSDoc *) ((VTSApp *) AfxGetApp())->GetWorkspace();
// load the combos
if ( pdoc )
m_SADR.LoadCombo( pdoc->GetNames(), pageParent->m_pPort );
m_SADR.FindName( "TD" );
if ( pdoc )
m_DADR.LoadCombo( pdoc->GetNames(), pageParent->m_pPort );
m_DADR.FindName( "IUT" );
CComboBox * pcomboFrameType = (CComboBox *) GetDlgItem(IDC_MSTPFRTYPECOMBO);
pcomboFrameType->AddString("Token");
pcomboFrameType->AddString("Poll For Master");
pcomboFrameType->AddString("Reply To Poll For Master");
pcomboFrameType->AddString("Test Request");
pcomboFrameType->AddString("Test Response");
pcomboFrameType->AddString("Data Expecting Reply");
pcomboFrameType->AddString("Data Not Expecting Reply");
pcomboFrameType->AddString("Reply Postponed");
pcomboFrameType->SetCurSel(5);
return TRUE;
}
//
// CSendMSTP::InitPage
//
// This function will be called when the page is installed (see SetPageList()).
//
void CSendMSTP::InitPage( void )
{
TRACE0( "CSendMSTP::InitPage()\n" );
}
//
// CSendMSTP::EncodePage
//
void CSendMSTP::EncodePage( CByteArray* contents )
{
unsigned short len;
CByteArray header;
TRACE0( "CSendMSTP::EncodePage()\n" );
// validate
if (m_SADR.ctrlNull)
throw "Source address required";
if (m_SADR.addrLen != 1)
throw "Invalid source address length for MS/TP (0-254)";
if (m_DADR.ctrlNull)
throw "Destination address required";
if (m_DADR.addrLen != 1)
throw "Invalid destination address length for MS/TP (0-254, 255=broadcast)";
// get the length of the stuff already encoded, add SAP overhead
len = (unsigned short) contents->GetSize();
// stuff the octets on the front
header.Add(0x55); // Add preamble
header.Add(0xFF);
header.Add((unsigned char) ((CComboBox *) GetDlgItem(IDC_MSTPFRTYPECOMBO))->GetCurSel());
// header.Add(((*contents)[1] & 0x04) ? 0x05 : 0x06); // expecting reply?
header.Add( m_DADR.addrAddr[0] );
header.Add( m_SADR.addrAddr[0] );
// encode the length
header.Add( (len >> 8) & 0xFF ); // MS len
header.Add( (len & 0xFF) ); // LS len
// encode header CRC
header.Add( ~MSTPCalcHeaderCRC((const unsigned char *) header.GetData() + 2, 5) );
// use len to store data CRC
len = ~MSTPCalcDataCRC((const unsigned char *) contents->GetData(), contents->GetSize());
// stuff the header on the front
contents->InsertAt( 0, &header );
// Add data CRC, ls first
contents->Add(len & 0xFF);
contents->Add((len >> 8) & 0xff);
}
//
// CSendMSTP::SavePage
//
void CSendMSTP::SavePage( void )
{
TRACE0( "CSendMSTP::SavePage\n" );
pageContents.Flush();
m_SADR.SaveCtrl( pageContents );
m_DADR.SaveCtrl( pageContents );
}
//
// CSendMSTP::RestorePage
//
void CSendMSTP::RestorePage( int index )
{
BACnetAPDUDecoder dec( pageContents )
;
TRACE0( "CSendMSTP::RestorePage\n" );
if (dec.pktLength == 0)
return;
m_SADR.RestoreCtrl( dec );
m_DADR.RestoreCtrl( dec );
}
/////////////////////////////////////////////////////////////////////////////
// CSendMSTP message handlers
void CSendMSTP::OnChangeSADR()
{
m_SADR.UpdateData();
SavePage();
UpdateEncoded();
}
void CSendMSTP::OnChangeDADR()
{
m_DADR.UpdateData();
SavePage();
UpdateEncoded();
}
void CSendMSTP::OnSelchangeDADRCombo()
{
m_DADR.Selchange();
SavePage();
UpdateEncoded();
}
void CSendMSTP::OnSelchangeSADRCombo()
{
m_SADR.Selchange();
SavePage();
UpdateEncoded();
}
void CSendMSTP::OnSelchangeMstpfrtypecombo()
{
SavePage();
UpdateEncoded();
}
unsigned char MSTPCalcHeaderCRC( const unsigned char * pba, int len )
{
unsigned char headerCRC = 0xff;
for ( int i = 0; i < len; i++ )
headerCRC = MSTPHeaderCRC_table[headerCRC ^ pba[i]];
return headerCRC;
}
unsigned short MSTPCalcDataCRC( const unsigned char * pba, int len )
{
unsigned short wCRC = 0xffff;
for ( int i = 0; i < len; i++ )
wCRC = (wCRC >> 8) ^ MSTPDataCRC_table[(wCRC & 0x00FF) ^ pba[i]];
return wCRC;
}