Digitax Force One MDT, Техническое руководство, Страница: 49 / 56

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party is strictly prohibited.
49
5. AITP (Force One keyboard)
This application shows how to use AITP to intercept the Digitax Force One key status changed events.
Sample code:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace Digitax.Sample.ForceOneKeys
{
//simple application that shows how to manage ForceOne keys
public partial class ForceOneKeysForm : Form
{
//aitp instance
Aitp.Wrapper41. AitpCore _aitp = new Aitp.Wrapper41. AitpCore ();
ushort _fokstatus;
public ForceOneKeysForm()
{
InitializeComponent();
this .C= new CancelEventHandler (ForceOneKeysForm_Closing);
//init aitp in MDT/MCU "COM4:" 19200 on ForceOne "COM3:" 38400
_aitp.AITPInit( "COM3:" , 38400);
_aitp.EvAITPFOKeyboardT=
new
Aitp.Wrapper41. AitpCore . delAITPActivateFOKeyboardTrigger (_aitp_EvAITPFOKeyboardTrigger);
_aitp.AITPInitKeyboard( true );
}
void _aitp_EvAITPFOKeyboardTrigger( ushort FOKeysStatusMask, uint lparam)
{
_fokstatus = FOKeysStatusMask;
UpdForm();
}
private delegate void delUpdForm ();
private void UpdForm()
{
if (InvokeRequired)
{
this .BeginInvoke( new delUpdForm (UpdForm));
return ;
}
// FORCE ONE KEYS / LEDS Mapping
// bits 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
// Up Down Enter Canc K4 K3 K2 K1 OP
//update colors
if ((_fokstatus & 0x0001) == 0x0001)
{
pOP.BackColor =
Color .Red;
}
else
{
pOP.BackColor =
Color .Green;
}
if ((_fokstatus & 0x0002) == 0x0002)
{
pK1.BackColor =
Color .Red;
}
else
{
pK1.BackColor =
Color .Green;
}
if ((_fokstatus & 0x0004) == 0x0004)
{
pK2.BackColor =
Color .Red;
}
else
{
pK2.BackColor =
Color .Green;
}
if ((_fokstatus & 0x0008) == 0x0008)
{
pK3.BackColor =
Color .Red;
}
else
{
pK3.BackColor =
Color .Green;
}
if ((_fokstatus & 0x0010) == 0x0010)
{
pK4.BackColor =
Color .Red;
}
else