Page 216 - PDA Robotics Using Your Personal Digital Assistant to Control Your Robot

PDA 09 5/27/03 8:50 AM Page 192
{
// PDA Robotics
// Receive the data from Command Center
//
ret = recv ( (SOCKET) m_pSocket, &szMessage[0], numbytes, 0);
}
else{
return;
}
//
// Set the status to the last command so it can be displayed
// in the status edit box named m_status_window and used in the
// OnTimer() function to relay the commands to PDA Robot
//

LastStatus = szMessage;
//
// Note: The Timer was started when the Wireless link was
// Enabled and the data received is interpreted when the timer
// goes off.
//

}

void CPDABotDlg::OnTimer(UINT nIDEvent)
{
m_status_window.SetWindowText( (LPCTSTR) LastStatus);

if(LastStatus == "SUCCESS" )
{
//
// We have connected to the Command Center
//
m_status_window.SetWindowText( (LPCTSTR) CString("Connect Infrared") );

}else if(LastStatus == "FORWARD"){
//
// Instruct PDA Robot to move Forward via the IR Socket if
// an IrDA link has been established
//

if( m_bIrDAConnected )
{
send( Infrared_Socket, (const char *) "be", 2, MSG_DONTROUTE);

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