Write scan data to a file.
Syntax
write_hw_sio_scan [‑force] [‑quiet] [‑verbose] <file> <hw_sio_scan>
Returns
Name of the output file.
Usage
Name | Description |
---|---|
[-force]
|
Overwrite existing file |
[-quiet]
|
Ignore command errors |
[-verbose]
|
Suspend message limits during command execution |
<file>
|
hardware SIO_scan file name |
<hw_sio_scan>
|
hardware SIO scan data object |
Categories
Description
Write the populated hw_sio_scan object after run_hw_sio_scan
completes.
To analyze the margin of a given link, it is often helpful to run a scan of the link using the specialized Eye Scan hardware of Xilinx® UltraScale™ devices or 7 series FPGAs. The Vivado® serial I/O analyzer feature lets you to create, run, and save link scans.
This command saves the scan to disk after completing the scan run. The format of the file is a CSV file of values observed while running the scan.
This command returns the filename of the file output, or returns an error if the command fails.
Arguments
-force
- (Optional) Overwrite the specified file if it already exists.
-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.
-verbose
- (Optional) Temporarily override any message limits and return all messages from this command.
set_msg_config
command.
<file>
- (Required) The filename of the scan file to write. The default suffix of .csv will be assigned to the scan file if a suffix is not specified.
<hw_sio_scan> - (Required) Specify a hw_sio_scan object to write to disk. The hw_sio_scan must be specified as an object as returned by the get_hw_sio_scans
command.
Example
The following example writes the specified hw_sio_scan object to disk, over writing a file of the same name if one exists:
write_hw_sio_scan -force C:/Data/Vivado_Debug/LoopBack_1.csv \
[get_hw_sio_scans {SCAN_3}]