/// <summary>
/// High-speed data communication "Start" button pressed.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void _btnStartHighSpeed_Click(object sender, EventArgs e)
{
// Stop/exit high-speed data communication.
NativeMethods.LJV7IF_StopHighSpeedDataCommunication(DEVICE_ID);
NativeMethods.LJV7IF_HighSpeedDataCommunicationFinalize(DEVICE_ID);
// Initialize data.
ThreadSafeBuffer.Clear();
Rc rc = Rc.Ok;
// Initialize the high-speed communication path.
// High-speed communication start prep
LJV7IF_HIGH_SPEED_PRE_START_REQ req = new LJV7IF_HIGH_SPEED_PRE_START_REQ();
try
{
uint frequency = Convert.ToUInt32(_txtCallbackFrequency.Text);
uint threadId = (uint)DEVICE_ID;
if (_rdUsb.Checked)
{
// Initialize USB high-speed data communication
rc = (Rc)NativeMethods.LJV7IF_HighSpeedDataUsbCommunicationInitalize(DEVICE_ID, _callback, frequency, threadId);
}
else
{
// Create Ethernet communication settings.
ushort highSpeedPort = 0;
_ethernetConfig.abyIpAddress = new byte[] {
Convert.ToByte(_txtIpFirstSegment.Text),
Convert.ToByte(_txtIpSecondSegment.Text),
Convert.ToByte(_txtIpThirdSegment.Text),
Convert.ToByte(_txtIpFourthSegment.Text)
};
_ethernetConfig.wPortNo = Convert.ToUInt16(_txtCommandPort.Text);
highSpeedPort = Convert.ToUInt16(_txtHighSpeedPort.Text);
// Initialize Ethernet high-speed data communication
rc = (Rc)NativeMethods.LJV7IF_HighSpeedDataEthernetCommunicationInitalize(DEVICE_ID, ref _ethernetConfig,
highSpeedPort, _callback, frequency, threadId);
}
if (!CheckReturnCode(rc))
{
return;
}
req.bySendPos = Convert.ToByte(_txtStartProfileNo.Text);
}
catch (FormatException ex)
{
MessageBox.Show(this, ex.Message);
return;
}
catch (OverflowException ex)
{
MessageBox.Show(this, ex.Message);
return;
}
// High-speed data communication start prep
LJV7IF_PROFILE_INFO profileInfo = new LJV7IF_PROFILE_INFO();
rc = (Rc)NativeMethods.LJV7IF_PreStartHighSpeedDataCommunication(DEVICE_ID, ref req, ref profileInfo);
if (!CheckReturnCode(rc))
{
return;
}
// Start high-speed data communication.
rc = (Rc)NativeMethods.LJV7IF_StartHighSpeedDataCommunication(DEVICE_ID);
if (!CheckReturnCode(rc))
{
return;
}
_lblReceiveProfileCount.Text = "0";
_timerHighSpeed.Start();
}
internal static extern int LJV7IF_PreStartHighSpeedDataCommunication(
int lDeviceId, ref LJV7IF_HIGH_SPEED_PRE_START_REQ pReq,
ref LJV7IF_PROFILE_INFO pProfileInfo);
