public Device GetDevice(DeviceType deviceType, int deviceId)
{
DeviceMgr mgr = GetDeviceMgr(deviceType);
if (mgr == null)
{
return(null);
}
return(mgr.GetDevice(deviceId));
}
public DTControl(double frequency, int[] analogChannels, Logger log, DoneSignalHandler callback)
{
try
{
m_deviceMgr = DeviceMgr.Get();
if (!m_deviceMgr.HardwareAvailable())
throw new Exception("No Devices Available.");
// Get first available device
m_device = m_deviceMgr.GetDevice(m_deviceMgr.GetDeviceNames()[0]);
// Get subsystems
m_ainSS = m_device.AnalogInputSubsystem(0);
m_dinSS = m_device.DigitalInputSubsystem(0);
m_doutSS = m_device.DigitalOutputSubsystem(0);
/*
* ANALOG SETUP
*/
//Add event handlers
m_ainSS.DriverRunTimeErrorEvent += HandleDriverRunTimeErrorEvent;
m_ainSS.BufferDoneEvent += HandleBufferDone;
m_ainSS.QueueDoneEvent += HandleQueueDone;
m_ainSS.QueueStoppedEvent += HandleQueueStopped;
// Set frequency
m_frequency = (m_ainSS.Clock.MaxFrequency < frequency) ? m_ainSS.Clock.MaxFrequency : frequency;
m_ainSS.Clock.Frequency = m_frequency;
m_ainSS.VoltageRange = new Range(-10, 10);
// Setup buffers
m_ainSS.BufferQueue.FreeAllQueuedBuffers(); //just in case some are in the queue
m_daqBuffers = new OlBuffer[MaxBuffers];
for (int i = 0; i < MaxBuffers; i++)
{
// Allocate and place each buffer in queue
m_daqBuffers[i] = new OlBuffer(SampleSize, m_ainSS);
m_ainSS.BufferQueue.QueueBuffer(m_daqBuffers[i]);
}
// Set for continuous operation
m_ainSS.DataFlow = DataFlow.Continuous;
// Set channel list
m_ainSS.ChannelList.Clear();
m_physicalChannels = new List<int>();
foreach (int channel in analogChannels)
{
ChannelListEntry channelListEntry = new ChannelListEntry(m_ainSS.SupportedChannels.GetChannelInfo(SubsystemType.AnalogInput, channel));
channelListEntry.Gain = 1.0;
m_ainSS.ChannelList.Add(channelListEntry);
m_physicalChannels.Add(channel);
}
// Save configuration
m_ainSS.Config();
/*
* DIGITAL SETUP
*/
m_dinSS.DataFlow = DataFlow.SingleValue;
m_doutSS.DataFlow = DataFlow.SingleValue;
m_dinSS.Config();
m_doutSS.Config();
doneSignalHandler += callback;
Log = log;
Log("DT9816 and all subsystems initialized.");
// Display actual hardware frequency set
Log(String.Format("Actual Hardware Frequency = {0:0.000}", m_ainSS.Clock.Frequency));
}
catch (Exception ex)
{
throw ex;
}
}
public DTControl(double frequency, int[] analogChannels, Logger log, DoneSignalHandler callback)
{
try
{
m_deviceMgr = DeviceMgr.Get();
if (!m_deviceMgr.HardwareAvailable())
{
throw new Exception("No Devices Available.");
}
// Get first available device
m_device = m_deviceMgr.GetDevice(m_deviceMgr.GetDeviceNames()[0]);
// Get subsystems
m_ainSS = m_device.AnalogInputSubsystem(0);
m_dinSS = m_device.DigitalInputSubsystem(0);
m_doutSS = m_device.DigitalOutputSubsystem(0);
/*
* ANALOG SETUP
*/
//Add event handlers
m_ainSS.DriverRunTimeErrorEvent += HandleDriverRunTimeErrorEvent;
m_ainSS.BufferDoneEvent += HandleBufferDone;
m_ainSS.QueueDoneEvent += HandleQueueDone;
m_ainSS.QueueStoppedEvent += HandleQueueStopped;
// Set frequency
m_frequency = (m_ainSS.Clock.MaxFrequency < frequency) ? m_ainSS.Clock.MaxFrequency : frequency;
m_ainSS.Clock.Frequency = m_frequency;
m_ainSS.VoltageRange = new Range(-10, 10);
// Setup buffers
m_ainSS.BufferQueue.FreeAllQueuedBuffers(); //just in case some are in the queue
m_daqBuffers = new OlBuffer[MaxBuffers];
for (int i = 0; i < MaxBuffers; i++)
{
// Allocate and place each buffer in queue
m_daqBuffers[i] = new OlBuffer(SampleSize, m_ainSS);
m_ainSS.BufferQueue.QueueBuffer(m_daqBuffers[i]);
}
// Set for continuous operation
m_ainSS.DataFlow = DataFlow.Continuous;
// Set channel list
m_ainSS.ChannelList.Clear();
m_physicalChannels = new List <int>();
foreach (int channel in analogChannels)
{
ChannelListEntry channelListEntry = new ChannelListEntry(m_ainSS.SupportedChannels.GetChannelInfo(SubsystemType.AnalogInput, channel));
channelListEntry.Gain = 1.0;
m_ainSS.ChannelList.Add(channelListEntry);
m_physicalChannels.Add(channel);
}
// Save configuration
m_ainSS.Config();
/*
* DIGITAL SETUP
*/
m_dinSS.DataFlow = DataFlow.SingleValue;
m_doutSS.DataFlow = DataFlow.SingleValue;
m_dinSS.Config();
m_doutSS.Config();
doneSignalHandler += callback;
Log = log;
Log("DT9816 and all subsystems initialized.");
// Display actual hardware frequency set
Log(String.Format("Actual Hardware Frequency = {0:0.000}", m_ainSS.Clock.Frequency));
}
catch (Exception ex)
{
throw ex;
}
}
private void btn_init_Click(object sender, System.EventArgs e)
{
string keyvalue = ConfigurationManager.AppSettings["keyname"].ToString();
int numberOfBuffers = Convert.ToInt32(ConfigurationManager.AppSettings["NumberOfbuffers"]);
string clockFreq = ConfigurationManager.AppSettings["clockFreq"].ToString();
string sensor0gain = ConfigurationManager.AppSettings["sensor0gain"].ToString();
string sensor1gain = ConfigurationManager.AppSettings["sensor1gain"].ToString();
string sensor0offset = ConfigurationManager.AppSettings["sensor0offset"].ToString();
string sensor1offset = ConfigurationManager.AppSettings["sensor1offset"].ToString();
string samplesPerBuffer = ConfigurationManager.AppSettings["samplesPerBuffer"];
statusBarPanel.Text = "No Error";
string deviceName = (string)deviceComboBox.SelectedItem;
try
{
serialPort.PortName = "COM1";
serialPort.BaudRate = 9600;
serialPort.DataBits = 8;
serialPort.Parity = Parity.None;
serialPort.StopBits = StopBits.One;
serialPort.Open();
}
catch (Exception ex)
{
MessageBox.Show("Port je vec otvoren" + ex.ToString());
}
try
{
// Create the device object
device = deviceMgr.GetDevice(deviceName);
// Create the device's analog input subsystem wiht element zero
ainSS = device.AnalogInputSubsystem(0);
// Create an event handler delegate to handle driver runtime error events
ainSS.DriverRunTimeErrorEvent += new DriverRunTimeErrorEventHandler(HandleDriverRunTimeErrorEvent);
// Create an event handler delegate to handle buffer done events
ainSS.BufferDoneEvent += new BufferDoneHandler(HandleBufferDone);
// Create an event handler delegate to handle queue done events
ainSS.QueueDoneEvent += new QueueDoneHandler(HandleQueueDone);
// Create and event handler delegate to handle queue stopped events
ainSS.QueueStoppedEvent += new QueueStoppedHandler(HandleQueueStopped);
}
catch (OlException ex)
{
string err = ex.Message;
statusBarPanel.Text = err;
return;
}
if (device == null)
{
MessageBox.Show("No Device Selected.", "Error");
return;
}
try
{
// int numberOfBuffers = Convert.ToInt32(6);
// Free all previously allocated buffers in case we are updating the number
// or the size of buffers
ainSS.BufferQueue.FreeAllQueuedBuffers();
daqBuffers = new OlBuffer[Convert.ToInt32(numberOfBuffers)];
// Create the buffers to store the raw data
// Place the buffers onto the queue of analog input subsystem
for (int i = 0; i < numberOfBuffers; ++i)
{
daqBuffers[i] = new OlBuffer(int.Parse(samplesPerBuffer), ainSS);
ainSS.BufferQueue.QueueBuffer(daqBuffers[i]);
}
// Set the data flow to continuous to setup for buffered I/O
ainSS.DataFlow = DataFlow.Continuous;
// Update the Clock object with the frequency
ainSS.Clock.Frequency = float.Parse(clockFreq);
// Clear the analog input subsystem channel list
ainSS.ChannelList.Clear();
int physicalChannelNumber = Convert.ToInt32(0);
// Create a channel object and add it to the channel list of the
// analog input subsystem
SupportedChannelInfo channelInfo = ainSS.SupportedChannels.GetChannelInfo(SubsystemType.AnalogInput, 0);
SupportedChannelInfo channelInfo1 = ainSS.SupportedChannels.GetChannelInfo(SubsystemType.AnalogInput, 1);
// Set the channel sensor parameters
channelInfo.SensorGain = Convert.ToDouble(sensor0gain);
channelInfo.SensorOffset = Convert.ToDouble(sensor0offset);
channelInfo1.SensorGain = Convert.ToDouble(sensor1gain);
channelInfo1.SensorOffset = Convert.ToDouble(sensor1offset);
ChannelListEntry channelToRead = new ChannelListEntry(channelInfo);
ChannelListEntry channelToRead1 = new ChannelListEntry(channelInfo1);
// Add the channel object to the channel list
ainSS.ChannelList.Add(channelToRead);
ainSS.ChannelList.Add(channelToRead1);
// Configure the subsystem to apply all the previous settings to the hardware
ainSS.Config();
// Check the closest clock frequency set by the hardware
clockFreq = String.Format("{0:0.000}", ainSS.Clock.Frequency);
btn_start.Enabled = true;
}
catch (OlException ex)
{
string err = ex.Message;
statusBarPanel.Text = err;
return;
}
}