21.13.1.14 event_counter

Description

This Tcl command runs on signals that are assigned to Channel A through the Live Probe feature and displays the total events.

It is run after setting the live probe signal to channel A. The user specifies the duration to run the event_counter command.

event_counter -run | -stop -after {duration in seconds}


Parameter	Type	Description
run	none	Run event counter.
stop	none	Stop event counter. This parameter must be specified with the -after parameter.
after	integer	Specify duration in seconds to stop event_counter. This argument is required when –stop argument is specified.


Return Type	Description
string	Displays the total events with value-property format.


Error Code	Description
None	Missing argument. Must specify '-run' or '-stop'.
None	Must specify time by using the argument '-after'.
None	after: Invalid argument value: 'value' (expecting integer value).
None	No signal assigned to channel A.
None	Parameter 'param_name' is not defined. Valid command formatting is'event_counter [-deviceName "device name"] [-run "TRUE \| FALSE"] [-stop "TRUE \| FALSE"] [-after "integer value"]'.

The following example assigns 'Q_c:DFN1_0:Q' signal to Channel A, runts event counter with the 5 delay seconds to stop:

set_live_probe -probeA {Q_c:DFN1_0:Q}
event_counter -run
event_counter -stop -after 5