void _ValidatePort( void ) {
int portNum = 0;
printf("Enter an output port number (1 -> 6).\n");
scanf("%d", &portNum);
portNum = NumtoIO( portNum, OUTPUT );
printf("Validating port number %d.\n", portNum);
ValidatePort( portNum );
}
// Mesage handler for New Session Dialog.
//
LRESULT CALLBACK CFidgetApp::NewSessionProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
WCHAR aTcpIpHost[256];
WCHAR aTcpIpPort[6];
switch (message)
{
case WM_INITDIALOG:
// Host name is limited to be less than 255 characters long.
// Port is limited to be numeric by the dialog resource. It is also
// limited here to be no longer than five characters (i.e., 0-65535).
// It is still possible to paste non-digit characters into
// IDC_TCPIP_PORT. These can be removed at EN_KILLFOCUS time or at
// IDOK time.
//
::SendMessage(::GetDlgItem(hDlg, IDC_TCPIP_HOST), EM_SETLIMITTEXT, 255, 0);
::SendMessage(::GetDlgItem(hDlg, IDC_TCPIP_PORT), EM_SETLIMITTEXT, 5, 0);
// The dialog automatically positions at IDC_TCPIP_HOST since it
// appears first in the dialog resource.
//
return TRUE;
case WM_COMMAND:
{
WORD wControlId = LOWORD(wParam);
WORD wNotifyCode = HIWORD(wParam);
if (IDOK == wControlId)
{
const int nMaxTcpIpHost = sizeof(aTcpIpHost)/sizeof(WCHAR);
UINT nTcpIpHost = ::GetDlgItemText(hDlg, IDC_TCPIP_HOST, aTcpIpHost, nMaxTcpIpHost);
if (0 == nTcpIpHost)
{
aTcpIpHost[nTcpIpHost] = L'\0';
}
const int nMaxTcpIpPort = sizeof(aTcpIpPort)/sizeof(WCHAR);
UINT nTcpIpPort = ::GetDlgItemText(hDlg, IDC_TCPIP_PORT, aTcpIpPort, nMaxTcpIpPort);
if (0 == nTcpIpPort)
{
aTcpIpPort[nTcpIpPort] = L'\0';
}
bool fValidHost = ValidateHost(aTcpIpHost);
bool fValidPort = ValidatePort(aTcpIpPort);
// Update all fields.
//
::SetDlgItemText(hDlg, IDC_TCPIP_HOST, aTcpIpHost);
::SetDlgItemText(hDlg, IDC_TCPIP_PORT, aTcpIpPort);
// Focus on first invalid field.
//
if (!fValidHost)
{
::SetFocus(::GetDlgItem(hDlg, IDC_TCPIP_HOST));
return FALSE;
}
if (!fValidPort)
{
::SetFocus(::GetDlgItem(hDlg, IDC_TCPIP_PORT));
return FALSE;
}
CSessionFrame *pChild = g_theApp.m_pMainFrame->m_pMDIControl->CreateNewChild();
DestroyWindow(hDlg);
g_theApp.m_hwndNewSession = NULL;
return TRUE;
}
else if (IDCANCEL == wControlId)
{
DestroyWindow(hDlg);
g_theApp.m_hwndNewSession = NULL;
return TRUE;
}
else if (IDC_TCPIP_HOST == wControlId)
{
if (EN_KILLFOCUS == wNotifyCode)
{
const int nMaxTcpIpHost = sizeof(aTcpIpHost)/sizeof(WCHAR);
UINT nTcpIpHost = ::GetDlgItemText(hDlg, IDC_TCPIP_HOST, aTcpIpHost, nMaxTcpIpHost);
if (0 == nTcpIpHost)
{
aTcpIpHost[nTcpIpHost] = L'\0';
}
ValidateHost(aTcpIpHost);
::SetDlgItemText(hDlg, IDC_TCPIP_HOST, aTcpIpHost);
}
}
else if (IDC_TCPIP_PORT == wControlId)
{
if (EN_KILLFOCUS == wNotifyCode)
{
const int nMaxTcpIpPort = sizeof(aTcpIpPort)/sizeof(WCHAR);
UINT nTcpIpPort = ::GetDlgItemText(hDlg, IDC_TCPIP_PORT, aTcpIpPort, nMaxTcpIpPort);
if (0 == nTcpIpPort)
{
aTcpIpPort[nTcpIpPort] = L'\0';
}
ValidatePort(aTcpIpPort);
::SetDlgItemText(hDlg, IDC_TCPIP_PORT, aTcpIpPort);
}
}
break;
}
}
return FALSE;
}
//============================
// Motor
//
// Function of motor[] variable
//============================
void Motor( int portNum, int motorSpeed ) {
portNum = ValidatePort(portNum);
motorSpeed = CapOutput(motorSpeed);
motor[portNum] = motorSpeed;
printf("Motor: port %d set to %d speed\n", portNum, motorSpeed);
}
