/* PURPOSE: Opens a serial communications port
INPUT: The serial commpunications port name string
OUTPUT: Returns portstream handle if the serial port is successfully opened;
otherwise NULL */
portstream_fd openserial(char *portname)
{ /* Serial communications parameters */
int speed = serBaudRate;
int parity = NO_PARITY;
int bits = 8;
int stopbits = 1;
portstream_fd pstream;
pstream = SetSerial(portname, speed, parity, bits, stopbits);
return pstream;
}
int Rat::Init()
{
if (SetMemoryPins())
{
SetSerial();
SetPins();
return 0;
}
else
{
return -1;
}
}
void CMessage::InitiaPack( int in_ComType, int in_ComNum )
{
m_CmlCount = in_ComNum;
m_Command = in_ComType;
SetDataLen(0);
SetVersion(MSG_VER);
SetSerial(0x00);
SetCommand(m_Command);
SetObligate(0);
SetCmlCount(m_CmlCount);
SetVerify(0);
//留好参数长度空间
SetComListLen( 0, m_CmlCount );
//留好参数空间
SetComCommandList(m_CmlCount);
}
LRESULT CMFC_DEMOView::OnWTPacket(WPARAM wSerial, LPARAM hCtx)
{
// Read the packet
PACKET pkt;
gpWTPacket( (HCTX)hCtx, wSerial, &pkt );
// Process packets in order, one at a time
CSingleLock lock( pWTMutex, TRUE );
CDC *pDC = GetDC();
// Get window size
RECT window_rect;
GetWindowRect( &window_rect );
POINT size;
size.x = window_rect.right - window_rect.left;
size.y = window_rect.bottom - window_rect.top;
// Erase the old cursor
if( csr.x >= 0 ) {
CRgn r;
r.CreateRectRgn( csr.x - 2, csr.y - 2, csr.x + 2, csr.y + 2 );
pDC->InvertRgn( &r );
}
csr.x = (size.x * pkt.pkX) / lc.lcInExtX;
csr.y = size.y - (size.y * pkt.pkY) / lc.lcInExtY;
if( pkt.pkButtons ) {
CMFC_DEMODoc *pDoc = GetDocument();
list<point> * lst = pDoc->GetLst();
if( prev_pkButtons ) {
list<point>::iterator i = lst->end();
i--;
pDC->MoveTo(abs(i->x),abs(i->y));
lst->push_back(csr);
pDC->LineTo(csr);
/********************* Write something below ********************/
new_time = clock(); // some problems...
SetSerial();
int x = csr.x - DISPLAY_OFFSET_X;
int y = csr.y - DISPLAY_OFFSET_Y;
if(start == 1 && (double)(new_time - old_time) / CLOCKS_PER_SEC > 2) {
WacomTrace("Time diff: %f\n", (double)(new_time - old_time) / CLOCKS_PER_SEC);
start = 0;
ConnectPoints();
if((double)(new_time - old_time) / CLOCKS_PER_SEC > 4) {
Output();
Reset();
} else {
Set(x, y);
}
} else {
if(start == 0 || (double)(new_time - old_time) / CLOCKS_PER_SEC > 0.15) {
WacomTrace("Time diff: %f\n", (double)(new_time - old_time) / CLOCKS_PER_SEC);
Set(x, y);
}
start = 1;
}
old_time = new_time;
/********************* Write something above ********************/
} else {
POINT pt;
pt.x = -csr.x;
pt.y = -csr.y;
lst->push_back(pt);
}
}
prev_pkButtons = pkt.pkButtons;
// Draw a new cursor
CRgn r;
r.CreateRectRgn( csr.x - 2, csr.y - 2, csr.x + 2, csr.y + 2 );
pDC->InvertRgn( &r );
ReleaseDC( pDC );
return TRUE;
}
