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~: DC motor control panle program in VC++ :~
void CAutotimerDlg::OnStrt()
{
// TODO: Add your control notification handler code here
SetTimer(ID_CNT_TMR,1000,NULL); // start timer when start button
m_ic = 0; // is pressed with 1 sec delay
m_scnt.Format("%d",m_ic);
}
void CAutotimerDlg::OnTimer(UINT nIDEvent)
{
// TODO: Add your message handler code here and/or call default
UpdateData(TRUE);
if(m_ic != m_intv)
{
m_ic++; // update the count after every sec
m_scnt.Format("%d",m_ic); // and display it
if((c%2)==0) // change the direction after entered
{
_outp(0x0378,0x12); // time interval
//MessageBox("Motor is running reverse");
}
else
{
_outp(0x0378,0x32);
//MessageBox("Motor is running forward");
}
}
else if(m_ic = m_intv)
{
c++;
m_ic = 0;
m_scnt.Format("%d",m_ic);
}
UpdateData(FALSE);
CDialog::OnTimer(nIDEvent);
}
void CAutotimerDlg::OnStop()
{
// TODO: Add your control notification handler code here
KillTimer(ID_CNT_TMR); // stop see-saw effect
_outp(0x0378,0x00);
}
void CAutotimerDlg::OnFwd()
{
// TODO: Add your control notification handler code here
f=0;
UpdateData(TRUE);
m_t = m_itime*250;
MessageBox("motor has started in forward direction");
_outp(0x0378,0x11); // increase the speed gradually to maximum
Sleep(m_t); // with entered rise time
_outp(0x0378,0x12);
Sleep(m_t);
_outp(0x0378,0x14);
Sleep(m_t);
_outp(0x0378,0x18);
c1 =4;
MessageBox("motor has attained full speed");
UpdateData(FALSE);
}
void CAutotimerDlg::OnRev()
{
// TODO: Add your control notification handler code here
f=1;
UpdateData(TRUE);
m_t = m_itime*250;
MessageBox("motor has started in reverse direction");
_outp(0x0378,0x31); // increase the speed gradually to maximum
Sleep(m_t); // with entered rise time
_outp(0x0378,0x32);
Sleep(m_t);
_outp(0x0378,0x34);
Sleep(m_t);
_outp(0x0378,0x38);
c1 =4;
MessageBox("motor has attained full speed");
UpdateData(FALSE);
}
void CAutotimerDlg::OnStp()
{
// TODO: Add your control notification handler code here
UpdateData(TRUE);
m_t = m_itime*500;
if(f == 0)
{
MessageBox("motor was running in forward direction");
_outp(0x0378,0x12); // gradually stops the motor
Sleep(m_t); // in two steps with entered
_outp(0x0378,0x11); // delay
Sleep(m_t);
_outp(0x0378,0x00);
MessageBox("Motor is stopped");
}
else
{
MessageBox("motor was running in reverse direction");
_outp(0x0378,0x32);
Sleep(m_t);
_outp(0x0378,0x31);
Sleep(m_t);
_outp(0x0378,0x00);
MessageBox("Motor is stopped");
}
}
void CAutotimerDlg::OnInc()
{
// TODO: Add your control notification handler code here
if(c1 != 4) c1++;
else if (c1 = 4)
{
c1=1;
MessageBox("Maximum speed");
}
if(f == 0)
{
switch(c1)
{
case 1:
_outp(0x0378,0x11);
MessageBox("Speed is 1");
break;
case 2:
_outp(0x0378,0x12);
MessageBox("Speed is 2");
break;
case 3:
_outp(0x0378,0x14);
MessageBox("Speed is 3");
break;
case 4:
_outp(0x0378,0x18);
MessageBox("Speed is 4");
break;
}
}
else
{
switch(c1)
{
case 1:
_outp(0x0378,0x31);
break;
case 2:
_outp(0x0378,0x32);
break;
case 3:
_outp(0x0378,0x34);
break;
case 4:
_outp(0x0378,0x38);
break;
}
}
}
void CAutotimerDlg::OnDec()
{
// TODO: Add your control notification handler code here
if(c1 != 1) c1--;
if(f == 0)
{
switch(c1)
{
case 1:
_outp(0x0378,0x11);
MessageBox("Speed is 1");
break;
case 2:
_outp(0x0378,0x12);
MessageBox("Speed is 2");
break;
case 3:
_outp(0x0378,0x14);
MessageBox("Speed is 3");
break;
case 4:
_outp(0x0378,0x18);
MessageBox("Speed is 4");
break;
}
}
else
{
switch(c1)
{
case 1:
_outp(0x0378,0x31);
break;
case 2:
_outp(0x0378,0x32);
break;
case 3:
_outp(0x0378,0x34);
break;
case 4:
_outp(0x0378,0x38);
break;
}
}
}
void CAutotimerDlg::OnXit()
{
// TODO: Add your control notification handler code here
OnOK();
_outp(0x0378,0x00);
} | 
