private void btnStart_Click(object sender, EventArgs e)
{
short err;
uint dwInvCnt;
// Configure AI Channel
err = USBDASK.UD_AI_1902_Config(Module_Num, USBDASK.P1902_AI_PseudoDifferential, 0, 0, 0, 0);
if (err != USBDASK.NoError)
{
MessageBox.Show("UD_AI_1902_Config error = :" + err.ToString());
Close();
return;
}
// Enable double-buffer
err = USBDASK.UD_AI_AsyncDblBufferMode(Module_Num, true);
if (err != USBDASK.NoError)
{
MessageBox.Show("UD_AI_AsyncDblBufferMode error = :" + err.ToString());
Close();
return;
}
dwInvCnt = Convert.ToUInt32(U1902_TIMEBASE / fSampleRate);
err = USBDASK.UD_AI_1902_CounterInterval(Module_Num, dwInvCnt, dwInvCnt);
if (err != USBDASK.NoError)
{
MessageBox.Show("UD_AI_1902_CounterInterval error = :" + err.ToString());
Close();
return;
}
err = USBDASK.UD_AI_EventCallBack(Module_Num, 1, USBDASK.DBEvent, m_delegate);
if (err < 0)
{
MessageBox.Show("UD_AI_EventCallBack error = :" + err.ToString());
Close();
return;
}
err = USBDASK.UD_AI_ContReadChannel(Module_Num, 0, USBDASK.AD_B_10_V, m_data_buffer, dwDataNum, fSampleRate, USBDASK.ASYNCH_OP);
if (err != USBDASK.NoError)
{
MessageBox.Show("UD_AI_ContReadMultiChannels error = :" + err.ToString());
Close();
return;
}
//timer1.Enabled = true;
btnStart.Enabled = false;
}