Boards that Support the Function
Operation Executes parallel poll.
Format
(VB.NET)
Dim Pprdata, Ret As Integer
Ret = GpExppoll(Pprdata)
(C)
DWORD Pprdata, Ret;
Ret = GpExppoll(&Pprdata);
(C#)
uint Pprdata, Ret;
Ret = gpib.Exppoll(out Pprdata);
(Python)
Pprdata, Ret = ctypes.c_ulong(), ctypes.c_ulong()
Ret.value = GpibPy.GpExppoll(ctypes.byref(Pprdata))
Mode Master mode only
Parameters
Pprdata : Status after PPR (return value)
Ret : Return value
0 : Normal completion
80 : GpIni() hasn't execute
140 : Asynchronous function is executing now
240 : ESC key pressed
252 : GP-IB error
254 : Timeout
255 : Parameter error
(See "Return Values" for details.)
Notes
Value of Pprdata corresponds with DIO Lines as follows
Pprdata =
0x01(00000001) : DIO1
0x02(00000010) : DIO2
0x04(00000100) : DIO3
0x08(00001000) : DIO4
0x10(00010000) : DIO5
0x20(00100000) : DIO6
0x40(01000000) : DIO7
0x80(10000000) : DIO8