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Generate VWF stimulus

quartus_generate_vwf

Generate Quartus II vector waveform files from structured simulation inputs including clocks, pulses, and bus sequences. Optionally attach to project as vector waveform file.

Instructions

Generate a Quartus II Vector Waveform File (.vwf) from structured simulation requirements: signals, clocks, pulses, point events, and bus sequences. Optionally attach it to a project as VECTOR_WAVEFORM_FILE/VECTOR_INPUT_SOURCE.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
installRootNoQuartus root. Accepts either the Quartus install directory or its parent.
use64bitNoUse quartus/bin64 when available. Defaults to true.
projectPathNoPath to a .qpf file or project directory.
projectDirNoProject directory. Relative paths are resolved from the workspace root.
projectNameNoQuartus project name without .qpf.
revisionNoQuartus revision name. Defaults to the active revision in the .qpf.
outputFileNoOutput .vwf path. Relative paths use the project directory when a project is provided, otherwise the workspace root.
attachToProjectNoUpdate QSF VECTOR_WAVEFORM_FILE and VECTOR_INPUT_SOURCE. Defaults to true when a project is provided.
requirementsTextNoOriginal natural-language simulation requirement, kept as a comment in the generated VWF.
simulationTimeYesTotal simulation duration in the selected timeUnit.
timeUnitNoVWF time unit. Defaults to ns.
gridPeriodNoWaveform editor grid period. Defaults to 10.
gridPhaseNoWaveform editor grid phase. Defaults to 0.
gridDutyCycleNoWaveform editor grid duty cycle. Defaults to 50.
signalsNo
clocksNo
pulsesNo
eventsNo
waveformsNo
sequencesNo
timeoutSecondsNo
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden. It only states that the tool generates and optionally attaches the file, without disclosing side effects (e.g., file overwriting behavior, required permissions, error cases). The description is too brief to adequately inform the agent of behavioral traits.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is extremely concise, consisting of two short sentences. The first sentence directly states the primary purpose and key input types; the second adds the optional attachment behavior. No redundant information, and critical information is front-loaded.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool has 21 parameters and no output schema, the description is adequate for a high-level understanding but lacks detail on parameter interdependencies and behavior. It covers the essential purpose and optional feature but does not explain the mechanics or provide enough context for complex usage scenarios.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The schema has 67% parameter description coverage, so the schema provides most parameter semantics. The tool description only lists high-level input categories (signals, clocks, etc.) without adding meaningful detail about how parameters work together. It does not compensate for the 33% of parameters lacking descriptions in the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool generates a Quartus II Vector Waveform File (.vwf) from structured simulation requirements, listing the supported input types (signals, clocks, pulses, etc.). It also mentions optional attachment to a project, which differentiates it from sibling tools like quartus_simulate_vwf (which simulates rather than generates).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No explicit guidance on when to use this tool versus alternatives. The description implies usage for generating VWF files but does not mention exclusions or conditions (e.g., when to use quartus_simulate_vwf instead). The context for use is only implicitly provided by the purpose.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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