IBTRG
Device-Level
Purpose
Trigger selected device.
Format
C
unsigned long ibtrg (int ud)
Visual Basic
CALL ibtrg (ud%)
or
status% = iltrg (ud%)
Interactive Control (Usage Notes)
ibtrg
Input
| ud | Device descriptor |
Output
| Function Return | The value of Ibsta |
Description
ibtrg sends the Group Execute Trigger (GET) message to the device described by ud.
Possible Errors
| EBUS | No devices are connected to the GPIB. |
| ECIC | The access board is not CIC. See Device-Level Calls and Bus Management. |
| EDVR | The NI-488.2 driver is either configured incorrectly or is not properly installed. |
| EHDL | ud is invalid or out of range. |
| ELCK | The requested operation could not be performed because of an existing lock by another process. |
| ENEB | The interface is not installed or is not properly configured. |
| EOIP | Asynchronous I/O is in progress. |