{"id":28451249,"url":"https://github.com/systemvll/csv2vcd","last_synced_at":"2026-03-04T20:03:54.597Z","repository":{"id":292756506,"uuid":"981830747","full_name":"SystemVll/csv2vcd","owner":"SystemVll","description":"CSV to VCD Converter - Transform CSV data into industry-standard VCD format for digital waveform visualization in hardware design and verification workflows.","archived":false,"fork":false,"pushed_at":"2025-05-12T00:53:52.000Z","size":5,"stargazers_count":2,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-10-09T18:45:12.534Z","etag":null,"topics":["csv2vcd"],"latest_commit_sha":null,"homepage":"https://pypi.org/project/csv2vcd/","language":"Python","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/SystemVll.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null}},"created_at":"2025-05-12T00:47:53.000Z","updated_at":"2025-06-19T12:27:48.000Z","dependencies_parsed_at":"2025-05-12T01:33:26.118Z","dependency_job_id":"21cf2f42-ef05-47e8-a09c-f9519dfe4b77","html_url":"https://github.com/SystemVll/csv2vcd","commit_stats":null,"previous_names":["systemvll/csv2vcd"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/SystemVll/csv2vcd","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/SystemVll%2Fcsv2vcd","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/SystemVll%2Fcsv2vcd/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/SystemVll%2Fcsv2vcd/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/SystemVll%2Fcsv2vcd/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/SystemVll","download_url":"https://codeload.github.com/SystemVll/csv2vcd/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/SystemVll%2Fcsv2vcd/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":30091581,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-03-04T19:41:02.502Z","status":"ssl_error","status_checked_at":"2026-03-04T19:40:05.550Z","response_time":59,"last_error":"SSL_read: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["csv2vcd"],"created_at":"2025-06-06T16:10:23.638Z","updated_at":"2026-03-04T20:03:54.589Z","avatar_url":"https://github.com/SystemVll.png","language":"Python","funding_links":[],"categories":[],"sub_categories":[],"readme":"# CSV to VCD Converter\n\n[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)\n\nA robust Python utility that converts CSV (Comma-Separated Values) files to VCD (Value Change Dump) format for digital waveform visualization in hardware design and verification workflows.\n\n## Description\n\nThis tool bridges the gap between simple tabular data and industry-standard waveform viewers by transforming CSV data into VCD files. It's particularly useful for hardware engineers, FPGA developers, and digital circuit designers who need to visualize signal changes over time.\n\n## Features\n\n- Convert multi-signal CSV data to standard VCD format\n- Configurable time units (s, ms, us, ns, ps, fs) and timesteps\n- Support for various signal types (wire, reg, integer, parameter)\n- Customizable signal widths (single-bit or multi-bit)\n- Input validation and robust error handling\n- Header row skipping option\n- Automatic or custom signal identifiers\n\n## Installation\n\n```bash\ngit clone https://github.com/SystemVll/csv2vcd.git\ncd csv2vcd\n```\n\nNo additional dependencies required beyond Python's standard library.\n\n## Usage\n\n### Basic Usage\n\n```bash\npython main.py input.csv output.vcd --signal-names signal1 signal2 signal3\n```\n\n### Advanced Usage\n\n```bash\npython main.py input.csv output.vcd \\\n  --signal-names clock data valid \\\n  --timestep 1e-9 \\\n  --time-unit ns \\\n  --signal-width 1 8 1 \\\n  --signal-type wire \\\n  --skip-header\n```\n\n## Arguments\n\n| Argument | Description |\n|----------|-------------|\n| `csv_file` | Input CSV file path |\n| `vcd_file` | Output VCD file path |\n| `--signal-names` | List of signal names |\n| `--timestep` | Time between samples in seconds (default: 1e-6) |\n| `--skip-header` | Skip first row of CSV file (header) |\n| `--time-unit` | Time unit for VCD file: s, ms, us, ns, ps, fs (default: us) |\n| `--signal-width` | List of bit widths for each signal (default: 1) |\n| `--signal-type` | Type of signals: wire, reg, integer, parameter (default: wire) |\n\n## Example\n\n**Input CSV:**\n```\n0,01101100,1\n1,01101101,1\n0,01101101,0\n...\n```\n\n**Command:**\n```bash\npython main.py signals.csv output.vcd --signal-names clk data valid --signal-width 1 8 1\n```\n\n**Output:**\nA VCD file compatible with waveform viewers like GTKWave, ModelSim, etc.\n\n## License\n\nThis project is licensed under the MIT License - see the LICENSE file for details.","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsystemvll%2Fcsv2vcd","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fsystemvll%2Fcsv2vcd","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsystemvll%2Fcsv2vcd/lists"}