private void button1_Click(object sender, EventArgs e)
{
ChansCount = CountChannel();
if (ChansCount == 0)
{
MessageBox.Show("请先选择通道使能");
return;
}
InitSeries();
GetChannel();
checkedListBox1.Enabled = false;
int temp = 0;
if (USB1000.FindUSBDAQ() == 0)
{
MessageBox.Show("找不到采集卡硬件，请确保已经正确连接电脑并且驱动安装正常。");
return;
}
try
{
SampleRate = Convert.ToInt32(txRate.Text);
temp = USB1000.OpenDevice(0);
temp = USB1000.ResetDevice(0);
temp = USB1000.SetUSB1AiRange(0, (int)USB1000.AiRange.V10);
temp = USB1000.SetSampleRate(0, SampleRate);
temp = USB1000.SetChanMode(0, (int)USB1000.ChannelMode.NRSE);
temp = USB1000.SetChanSel(0, selState);
temp = USB1000.SetSoftTrig(0, 1);
if (temp == 0)
{
NumToRead = SampleRate / ChansCount / 10;//每通道0.1秒读多少个数据（采样率单位是点/秒）
totalTime = 0;
Debug.WriteLine("num to read: " + NumToRead);
Debug.WriteLine("开始采集");
running = true;
//recordThread = new Thread(record);
//recordThread.Start();
temp = USB1000.StartRead(0);
timer1.Interval = 80;//ms Timer设置比0.1s略小，以保障数据无滞后不溢出
timer1.Start();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void stop()
{
if (running)
{
timer1.Stop();
running = false;
checkedListBox1.Enabled = true;
USB1000.StopRead(0); // 关闭计算机从采集卡读数线程
USB1000.SetSoftTrig(0, 0); // 关闭软件触发信号
USB1000.ClearBufs(0); // 清空数据缓存空间
USB1000.CloseDevice(0); // 关闭设备
}
}