close_vcd - 2024.1 English

Vivado Design Suite Tcl Command Reference Guide (UG835)

Document ID
UG835
Release Date
2024-05-30
Version
2024.1 English

Flush VCD information to the VCD output file and close the file

Syntax

close_vcd [‑ports] [‑file <arg>] [‑quiet] [‑verbose]

Usage

Name Description
[-ports] Control extended vcd dump file.
[-file] file name. For dumpports, defaults to dumpports.vcd
[-quiet] Ignore command errors
[-verbose] Suspend message limits during command execution

Categories

Description

Closes the open Value Change Dump (VCD) file.

Only one VCD file can be open in the AMD Vivado™ simulator at one time. You must close the currently opened VCD file before opening another file.

Arguments

-quiet - (Optional) Execute the command quietly, returning no messages from the command. The command also returns TCL_OK regardless of any errors encountered during execution.
Note: Any errors encountered on the command-line, while launching the command, will be returned. Only errors occurring inside the command will be trapped.
-verbose - (Optional) Temporarily override any message limits and return all messages from this command.
Note: Message limits can be defined with the set_msg_config command.

Examples

The following example closes the current VCD object:

close_vcd

See Also