„DAQMX kártya példaprogram” változatai közötti eltérés

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10. sor: 10. sor:
 
'''Megjegyzés''': a kártya azonosítója ("DevXX") a MAX listájában ellenőrizhető. Az alábbi kódban a "Dev1" stringet át kell írni a megfelelő értékre, amennyiben szükséges.
 
'''Megjegyzés''': a kártya azonosítója ("DevXX") a MAX listájában ellenőrizhető. Az alábbi kódban a "Dev1" stringet át kell írni a megfelelő értékre, amennyiben szükséges.
  
−
<syntaxhighlight lang=csharp>
+
=Tutorial program for DAQMX data acquisition card=
 +
 
 +
Contents of the Form:
 +
* '''Button''' startButton;
 +
* '''Button''' readButton;
 +
* '''TextBox''' inputBox;
 +
 
 +
'''Note''': The identifier of the card ("DevXX") can be verified using MAX (Measurement and Automation Explorer). When using the following code, replace the "Dev1" string with the actual identifier of the connected device.
 +
 
 +
<syntaxhighli
 +
ght lang=csharp>
 
using System;
 
using System;
 
using System.Collections.Generic;
 
using System.Collections.Generic;
18. sor: 28. sor:
 
using System.Text;
 
using System.Text;
 
using System.Windows.Forms;
 
using System.Windows.Forms;
−
//a kovetkezo ket using direktivat hozza kell adni a fejlechez
+
//Add the following references manually to the header
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//az NI referenciat hozza kell adni a projecthez         
+
using NationalInstruments.DAQmx; //Don't forget to add the references to the NI libraries in the project explorer as well
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using NationalInstruments.DAQmx;
+
 
using System.IO;
 
using System.IO;
  
27. sor: 36. sor:
 
     public partial class Form1 : Form
 
     public partial class Form1 : Form
 
     {
 
     {
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         //Global valtozok
+
         //Global variables
 
         private Task OutTask;    //kimeneti Task: Dev1/ao0
 
         private Task OutTask;    //kimeneti Task: Dev1/ao0
 
         private AnalogSingleChannelWriter writer;   
 
         private AnalogSingleChannelWriter writer;   
42. sor: 51. sor:
 
         private void Form1_Load(object sender, EventArgs e)
 
         private void Form1_Load(object sender, EventArgs e)
 
         {
 
         {
−
             //a masodik gomb le van tiltva, amig nem nyomjuk meg a felsot
+
             //Read button is disabled when the program loads
 
             readButton.Enabled=false;
 
             readButton.Enabled=false;
 
         }
 
         }
  
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//Inicializalas a meres megkezdese elott
+
//The measurement has to be initialized first
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//peldaul gombnyomasra
+
//For example by using a button press
 
         private void startButton_Click(object sender, System.EventArgs e)
 
         private void startButton_Click(object sender, System.EventArgs e)
 
         {
 
         {
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//Kimenet
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//Output
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OutTask = new Task();  //Task konstruktora
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OutTask = new Task();  //Task constructor
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//Kimeneti csatorna letrehozasa:
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//Creating the output channel
 
OutTask.AOChannels.CreateVoltageChannel("Dev1/ao0", "",
 
OutTask.AOChannels.CreateVoltageChannel("Dev1/ao0", "",
 
                     Minimumvoltage, Maximumvoltage,
 
                     Minimumvoltage, Maximumvoltage,
 
                     AOVoltageUnits.Volts);
 
                     AOVoltageUnits.Volts);
 
writer = new AnalogSingleChannelWriter(OutTask.Stream);
 
writer = new AnalogSingleChannelWriter(OutTask.Stream);
−
//Bemenet
+
//Input
−
InTask = new Task();  //Task konstruktora
+
InTask = new Task();  //Task constructor
−
//Bemeneti csatorna letrehozasa:
+
//Creating the input channel
 
InTask.AIChannels.CreateVoltageChannel("Dev1/ai0", "",
 
InTask.AIChannels.CreateVoltageChannel("Dev1/ai0", "",
 
                     AITerminalConfiguration.Differential, Minimumvoltage, Maximumvoltage,
 
                     AITerminalConfiguration.Differential, Minimumvoltage, Maximumvoltage,
 
                     AIVoltageUnits.Volts);
 
                     AIVoltageUnits.Volts);
 
reader = new AnalogSingleChannelReader(InTask.Stream);
 
reader = new AnalogSingleChannelReader(InTask.Stream);
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                         //miutan inicializaltuk a merest, megnyomhatjuk a masodik gombot is
+
                         //The read button is enabled after the initialization
 
                         readButton.Enabled=true;
 
                         readButton.Enabled=true;
 
}
 
}
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         {
 
         {
 
                         Double input = 0;
 
                         Double input = 0;
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                         //a feszultseg kiadasat es visszaolvasasat az alabbi fuggveny vegzi
+
                         //The below function performs the writing and reading of the voltage values
 
                         input=write_And_Read();
 
                         input=write_And_Read();
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                         //az eredmeny kiirasa
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                         //displaying the result
 
                         inputBox.Text=input.ToString("0.000");
 
                         inputBox.Text=input.ToString("0.000");
 
         }
 
         }
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         //data nagysagu feszultseg kiadasa
+
         //writing voltage (value stored in data variable)
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         //es a bemenet beolvasasa
+
         //and reading voltage on the input
 
private Double write_And_Read()
 
private Double write_And_Read()
 
{
 
{
−
Double data=0.2;  //mindig 0 es 5V kozott!
+
Double data=0.2;  //always between 0 and 5 V!
 
writer.WriteSingleSample(true,data);
 
writer.WriteSingleSample(true,data);
−
                         //a fuggveny a beolvasott ertekkel ter vissza
+
                         //the function returns the measured voltage
 
return reader.ReadSingleSample();
 
return reader.ReadSingleSample();
 
}
 
}
 
         private void Form1_FormClosed(object sender, FormClosedEventArgs e)
 
         private void Form1_FormClosed(object sender, FormClosedEventArgs e)
 
         {
 
         {
−
             //eroforrasok felszabaditasa           
+
             //free up resources
 
    OutTask.Dispose();
 
    OutTask.Dispose();
 
    InTask.Dispose();
 
    InTask.Dispose();

A lap 2019. szeptember 6., 14:14-kori változata

CSharp DAQMX.png

A Form tartalma:

  • Button startButton;
  • Button readButton;
  • TextBox inputBox;

Megjegyzés: a kártya azonosítója ("DevXX") a MAX listájában ellenőrizhető. Az alábbi kódban a "Dev1" stringet át kell írni a megfelelő értékre, amennyiben szükséges.

Tutorial program for DAQMX data acquisition card

Contents of the Form:

  • Button startButton;
  • Button readButton;
  • TextBox inputBox;

Note: The identifier of the card ("DevXX") can be verified using MAX (Measurement and Automation Explorer). When using the following code, replace the "Dev1" string with the actual identifier of the connected device.

<syntaxhighli ght lang=csharp> using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; //Add the following references manually to the header using NationalInstruments.DAQmx; //Don't forget to add the references to the NI libraries in the project explorer as well using System.IO;

namespace DAQMX { 

   public partial class Form1 : Form
   {
       //Global variables
       private Task OutTask;    //kimeneti Task: Dev1/ao0
       private AnalogSingleChannelWriter writer;  
       private Task InTask;    //bemeneti Task: Dev1/ai0
       private AnalogSingleChannelReader reader;

       double Minimumvoltage = 0;
       double Maximumvoltage = 5;
       public Form1()
       {
           InitializeComponent();
       }

       private void Form1_Load(object sender, EventArgs e)
       {
           //Read button is disabled when the program loads
           readButton.Enabled=false;
       }

//The measurement has to be initialized first //For example by using a button press 

       private void startButton_Click(object sender, System.EventArgs e)
       {

//Output OutTask = new Task(); //Task constructor //Creating the output channel OutTask.AOChannels.CreateVoltageChannel("Dev1/ao0", "", 

                   Minimumvoltage, Maximumvoltage,
                   AOVoltageUnits.Volts);

writer = new AnalogSingleChannelWriter(OutTask.Stream); //Input InTask = new Task(); //Task constructor //Creating the input channel InTask.AIChannels.CreateVoltageChannel("Dev1/ai0", "", 

                   AITerminalConfiguration.Differential, Minimumvoltage, Maximumvoltage,
                   AIVoltageUnits.Volts);

reader = new AnalogSingleChannelReader(InTask.Stream); 

                       //The read button is enabled after the initialization
                       readButton.Enabled=true;

} 

       private void readButton_Click(object sender, System.EventArgs e)
       {
                       Double input = 0;
                       //The below function performs the writing and reading of the voltage values
                       input=write_And_Read();
                       //displaying the result
                       inputBox.Text=input.ToString("0.000");
       }
       //writing voltage (value stored in data variable)
       //and reading voltage on the input

private Double write_And_Read() { Double data=0.2; //always between 0 and 5 V! writer.WriteSingleSample(true,data); 

                       //the function returns the measured voltage

return reader.ReadSingleSample(); } 

       private void Form1_FormClosed(object sender, FormClosedEventArgs e)
       {
           //free up resources

OutTask.Dispose(); InTask.Dispose(); 

       }

    }

} </syntaxhighlight>

A lap eredeti címe: „https://fizipedia.bme.hu/index.php?title=DAQMX_kártya_példaprogram&oldid=25337”