Exemplo n.º 1
0
 /*
  * public static Task<GPIBDevice> CreateAsync(int address)
  * {
  *  var ret = new GPIBDevice(address);
  *  return ret.InitializeAsync();
  * }
  * public virtual async Task<GPIBDevice> InitializeAsync()
  * {
  *  await OpenGPIBDevice();
  *  return this;
  * }
  */
 /// <summary>
 /// Send a command through KE-488 usb to GPIB converter to device
 /// </summary>
 /// <param name="sendString"></param>
 public async Task SendGPIBString(string sendString)
 {
     await Task.Run(() =>
     {
         GPIB.ibwrt(_deviceName, sendString, sendString.Length);
         //this causes instrument errors for unknown reasons that don't seem critical
         GPIB.gpib_get_globals(out ibsta, out iberr, out ibcnt, out ibcntl);
         if ((ibsta & (int)GPIB.ibsta_bits.ERR) != 0)
         {
             MessageBox.Show("Error in writing the string command to the GPIB instrument.");
             //Close();
             return;
         }
     }
                    ).ConfigureAwait(false);
 }
Exemplo n.º 2
0
 public async Task CloseGPIBDevice()
 {
     await Task.Run(async() =>
     {
         System.Diagnostics.Debug.WriteLine("closing gpibdevice with addr: " + DevAddress);
         await SendGPIBString("*RST;");      //reset the device
         await SendGPIBString(":SYST:LOC;"); //switch control back to local
         //Offline the GPIB interface
         GPIB.ibonl(_deviceName, 0);
         GPIB.gpib_get_globals(out ibsta, out iberr, out ibcnt, out ibcntl);
         if ((ibsta & (int)GPIB.ibsta_bits.ERR) != 0)
         {
             MessageBox.Show("Error in closing the GPIB interface for device with address: " + _devAddress);
             return;
         }
     }).ConfigureAwait(false);
 }
Exemplo n.º 3
0
 public async Task <string> ReadGPIBString()
 {
     return(await Task.Run(() =>
     {
         System.Diagnostics.Debug.WriteLine("ReadGPIBString");
         StringBuilder strBuild = new StringBuilder(600000);
         GPIB.ibrd(_deviceName, strBuild, 600000);
         if (_devAddress != 14)//ignorant workaround to prevent the KE6485 throwing an error
         {
             GPIB.gpib_get_globals(out ibsta, out iberr, out ibcnt, out ibcntl);
             if ((ibsta & (int)GPIB.ibsta_bits.ERR) != 0)
             {
                 byte lowByte = (byte)(ibsta & 0xff);
                 byte highByte = (byte)((ibsta >> 8) & 0xff);
                 MessageBox.Show("Error in reading the response string from the device with address: " + _devAddress);
             }
         }
         return strBuild.ToString();
     }).ConfigureAwait(false));
 }
Exemplo n.º 4
0
 public async Task OpenGPIBDevice()
 {
     await Task.Run(() =>
     {
         //Initialize device with 0s timeout
         _deviceName = GPIB.ibdev(GPIBAddr, _devAddress, 0, 0, 1, 0);
         if ((ibsta & (int)GPIB.ibsta_bits.ERR) != 0)
         {
             MessageBox.Show("Error in initializing GPIB device with address: " + _devAddress);
             return;
         }
         //clear the specific GPIB instruments
         GPIB.ibclr(_deviceName);
         GPIB.gpib_get_globals(out ibsta, out iberr, out ibcnt, out ibcntl);
         if ((ibsta & (int)GPIB.ibsta_bits.ERR) != 0)
         {
             MessageBox.Show("Error in clearing GPIB device with address: " + _devAddress);
             return;
         }
     }
                    ).ConfigureAwait(false);
 }