internal override void ClearInBuffer()
{
if (IsConnected())
{
li.ibclr(Dev);
}
}
public GPIB(int ADDR) //构造函数
{
//ADDR为GPIB设备地址
try
{
li = new LangInt(); // Contains all GPIB functions
c = new GpibConstants(); // Contains all GPIB global constants
TIMEOUT = c.T3s;
Dev = li.ibdev(BDINDEX, ADDR, NO_SECONDARY_ADDR, TIMEOUT, EOTMODE, EOSMODE); //Get the device handle
if ((li.ibsta & c.ERR) != 0)
{
throw new System.Exception("Unable to open device!\nibsta:" + li.ibsta + "\nERR:" + c.ERR);
}
li.ibclr(Dev);
if ((li.ibsta & c.ERR) != 0)
{
throw new System.Exception("Unable to clear device!\nibsta:" + li.ibsta + "\nERR:" + c.ERR);
}
}
catch (System.Exception ex)
{
throw new Exception(ex.Message);
}
}
//read data form device
public string GPIBrd(int buffersize)
{
try
{
li.ibrd(Dev, out ValueStr, buffersize);
li.ibclr(Dev);
return(ValueStr);
}
catch (System.Exception Ex)
{
throw new Exception("Error: " + Ex.Message + //error Name
"ibsta = " + li.ibsta + //ibsta
"iberr = " + li.iberr + //iberr
ErrorMnemonic[li.iberr]); //error code
}
}