py-dvt-ate/config/default.yaml

# py_dvt_ate Default Configuration
# This file contains default settings for the DVT simulation platform.
# Copy this file and modify values as needed for your environment.

# =============================================================================
# Instrument Configuration
# =============================================================================
instruments:
  # Backend selection: "simulator" or "pyvisa"
  # - simulator: Use virtual instruments with physics simulation (for development)
  # - pyvisa: Connect to real instruments via PyVISA (for production testing)
  backend: simulator

  # Simulator backend configuration
  # Used when backend=simulator. Virtual instruments are exposed as TCP servers.
  simulator:
    host: localhost
    thermal_chamber_port: 5001
    power_supply_port: 5002
    multimeter_port: 5003

  # PyVISA backend configuration
  # Used when backend=pyvisa. Provide VISA resource strings for real instruments.
  # Example: "TCPIP::192.168.1.10::5001::SOCKET"
  pyvisa:
    thermal_chamber: null
    power_supply: null
    multimeter: null

# =============================================================================
# Physics Simulation Parameters
# =============================================================================
physics:
  # Physics engine update rate (Hz)
  # Higher rates provide better accuracy but use more CPU.
  update_rate_hz: 100.0

  # Thermal model parameters
  thermal:
    # Chamber thermal time constant (seconds)
    # Time for chamber temperature to reach 63% of final value
    chamber_time_constant_s: 30.0

    # DUT case thermal time constant (seconds)
    # Time for case temperature to reach 63% of final value
    case_time_constant_s: 5.0

    # Junction-to-case thermal resistance (°C/W)
    # How much the junction heats above case per watt dissipated
    theta_jc: 15.0

    # Case-to-ambient thermal resistance (°C/W)
    # How much the case heats above ambient per watt dissipated
    theta_ca: 5.0

  # Thermal chamber behaviour
  chamber:
    # Maximum temperature ramp rate (°C/min)
    # Real chambers have limited heating/cooling rates
    ramp_rate_c_per_min: 10.0

    # Temperature stability window (°C)
    # Chamber is considered stable when within ±this value of setpoint
    stability_window_c: 0.5

    # Stability duration requirement (seconds)
    # Chamber must remain in stability window for this duration
    stability_time_s: 30.0

# =============================================================================
# DUT (Device Under Test) Configuration
# =============================================================================
dut:
  # DUT model type
  # Currently supported: "ldo"
  model: ldo

  # DUT model parameters
  parameters:
    # Nominal output voltage at 25°C (V)
    nominal_output_voltage: 3.3

    # Temperature coefficient (ppm/°C)
    # Voltage change per degree: ΔV = V₀ × tempco × ΔT / 1e6
    tempco_ppm_per_c: 50.0

    # Quiescent current at 25°C (µA)
    quiescent_current_ua: 50.0

    # Quiescent current temperature coefficient (per °C)
    # Iq change per degree: ΔIq = Iq₀ × tempco × ΔT
    quiescent_current_tempco: 0.003

    # Dropout voltage (V)
    # Minimum Vin-Vout differential for regulation
    dropout_voltage: 0.3

# =============================================================================
# Data Storage Configuration
# =============================================================================
data:
  # SQLite database path for test runs and results
  database_path: ./data/py_dvt_ate.db

  # Directory for measurement data files (Parquet format)
  measurements_dir: ./data/measurements

  # Directory for generated reports (PDF, HTML)
  reports_dir: ./data/reports

# =============================================================================
# Logging Configuration
# =============================================================================
logging:
  # Logging level: DEBUG, INFO, WARNING, ERROR, CRITICAL
  level: INFO

  # Log file path
  # Use null to disable file logging
  file: ./data/logs/py_dvt_ate.log

  # Log message format
  # Uses Python logging format strings
  format: "%(asctime)s - %(name)s - %(levelname)s - %(message)s"

# =============================================================================
# Dashboard Configuration (Streamlit)
# =============================================================================
dashboard:
  # Enable/disable the Streamlit dashboard
  enabled: true

  # Dashboard server port
  port: 8501

# =============================================================================
# API Configuration (Phase 2)
# =============================================================================
api:
  # Enable/disable the REST API server
  # Currently not implemented (Phase 2 feature)
  enabled: false

  # API server host
  # Use "0.0.0.0" to listen on all interfaces
  host: "0.0.0.0"

  # API server port
  port: 8000

# =============================================================================
# Report Generation Configuration
# =============================================================================
reporting:
  # Company name displayed in report header
  # This appears in the title block and footer of generated reports
  company_name: py_dvt_ate

  # Path to company logo image file (PNG or JPEG)
  # If null, no logo is displayed in report header
  # Example: ./assets/logo.png
  logo_path: null

  # Include charts in generated reports
  # Charts show voltage vs temperature and results summary
  # Set to false for text-only reports (smaller file size)
  include_charts: true

  # DPI (dots per inch) for chart images
  # Higher values produce sharper charts but larger file sizes
  # Recommended: 150 for screen viewing, 300 for print quality
  chart_dpi: 150