DtvLong dal_gfi_set_ipc (flg)

Sets the comnunication mode for the next IPC call to the graphical client.

Input Parameters Significance
char flg communication mode:
'N' = NOWAIT [default]
'W' = WAIT
'S' = STACK [default for DataView, Version 3.0]

Output Parameters Significance
none -

Return Code Significance
0 all ok
1 IPC interface not initialized
2 wrong parameter passing
-1 no graphical interface initialized

The communication mode is reset after each IPC call (function dal_gfi_cal_ipc) to the default value NOWAIT.

The communication modes have the following meaning: