Intel® Quartus® Prime Pro Edition User Guide: Scripting

ID 683432
Date 6/20/2022
Public

A newer version of this document is available. Customers should click here to go to the newest version.

Document Table of Contents

3.1.24.5. tristate_output_pin (::quartus::logic_analyzer_interface)

The following table displays information for the tristate_output_pin Tcl command:

Tcl Package and Version

Belongs to ::quartus::logic_analyzer_interface

Syntax tristate_output_pin [-h | -help] [-long_help] -instance_name <instance name>
Arguments -h | -help Short help
-long_help Long help with examples and possible return values
-instance_name <instance name> Name of the Logic Analyzer Interface instance to change
Description
Tristate the output pins of the specified Logic Analyzer Interface instance.
Example Usage
# Start a new control sequence.
begin_logic_analyzer_interface_control -hardware_name "USB-Blaster \[USB-0\]" -device_name "@1: EP1C20 (0x020840DD)" -file_path "lai_demo.lai"

# Query the output pin state.
puts "Current output pin state of instance auto_lai_0:"
puts [get_current_state_of_output_pin -instance_name "auto_lai_0"]

# Change input bank source to the output pins
change_bank_to_output_pin -instance_name "auto_lai_0" -bank_name "Bank 1"

# Query the output pin state.
puts "Current output pin state of instance auto_lai_0:"
puts [get_current_state_of_output_pin -instance_name "auto_lai_0"]

# Change input bank source to the output pins
change_bank_to_output_pin -instance_name "auto_lai_0" -bank_index 0

# Query the output pin state.
puts "Current output pin state of instance auto_lai_0:"
puts [get_current_state_of_output_pin -instance_name "auto_lai_0"]

# Tristate the output pins
tristate_output_pin -instance_name "auto_lai_0"

# Query the output pin state.
puts "Current output pin state of instance auto_lai_0:"
puts [get_current_state_of_output_pin -instance_name "auto_lai_0"]

# End the control sequence.
end_logic_analyzer_interface_control
Return Value Code Name Code String Return
TCL_OK 0 INFO: Operation successful
TCL_ERROR 1 ERROR: No Logic Analyzer Interface control sequence has been started.
TCL_ERROR 1 ERROR: The specified device is not found.
TCL_ERROR 1 ERROR: The specified hardware is not found.
TCL_ERROR 1 ERROR: The specified Logic Analyzer Interface instance in the file is not compatible with the instance in the device.
TCL_ERROR 1 ERROR: JTAG communication error is detected. It can be caused by the hardware failure or poor signal integrity in the JTAG chain.
TCL_ERROR 1 ERROR: The specified Logic Analyzer Interface instance cannot be found.
TCL_ERROR 1 ERROR: The version of the specified Logic Analyzer Interface instance is not supported in this release of software.