revpimodio2
2.9.0rc2

Getting Started

  • Installation
    • System Requirements
    • Prerequisites
      • User Permissions
    • Installing RevPiModIO
      • Using pip
      • From Source
    • Verify Installation
    • Optional Components
      • RevPiPyLoad
        • Configure XML-RPC Server
      • RevPi Commander
    • Next Steps
  • Quick Start
    • Basic Concepts
    • Hardware Configuration
    • Your First Program
      • Simple Input to Output
      • Cyclic Program
      • Event-Driven Program
    • LED Control
    • Common Patterns
      • Initialize and Cleanup
      • Edge Detection
      • Timers
    • Next Steps

User Guide

  • Basics
    • Programming Paradigms
    • Getting Started
      • Basic Instantiation
      • Configuration Parameters
      • Cycle Timing
      • Error Handling
    • Core Objects
      • rpi.io - Input/Output Access
        • IO Properties
      • rpi.core - System Control
        • LED Control
        • System Status
        • Watchdog
      • rpi.device - Device Access
    • Signal Handling
      • Graceful Shutdown
      • Custom Signal Handler
    • Simple Examples
      • Read Input, Control Output
      • LED Control
      • Iterate All IOs
    • Best Practices
      • Use Descriptive IO Names
      • Always Clean Up
      • Check IO Existence
    • See Also
  • Cyclic Programming
    • When to Use Cyclic Programming
    • Basic Structure
      • Simple Cycle Loop
      • Understanding Cycle Time
    • Cycletools Object
    • Initialization and Cleanup
    • Persistent Variables
    • Change Detection
    • Timing Flags
      • Toggle Flags
      • Flank Flags
    • Timers
      • On-Delay Timer (TON/TONC)
      • Off-Delay Timer (TOF/TOFC)
      • Pulse Timer (TP/TPC)
    • State Machines
      • Simple State Machine
      • Complex State Machine
    • Practical Examples
      • Temperature Control
      • Production Counter
    • Best Practices
      • Keep Cycle Logic Fast
      • Use Appropriate Cycle Time
      • Handle Errors Safely
      • Initialize Properly
    • See Also
  • Event Programming
    • When to Use Event-Driven Programming
    • Basic Structure
      • Simple Event Handler
    • Event Registration
      • Value Change Events
      • Multiple Events
    • Debouncing
      • Debouncing with Edge Detection
    • Timer Events
      • Timer Event Parameters
    • Threaded Events
      • EventCallback Object
      • Interruptible Sleep
    • Unregistering Events
    • Practical Examples
      • LED Toggle on Button Press
      • Multiple Button Handler
      • Sensor Logging
      • Threaded Data Processing
    • Best Practices
      • Keep Callbacks Fast
      • Handle Errors Gracefully
      • Clean Up Threads
    • See Also
  • Advanced
    • Custom IOs (Gateway Modules)
      • Understanding Gateway IOs
      • Defining Custom IOs
      • Struct Format Codes
      • Multiple Custom IOs
      • Using Configuration Files
    • Watchdog Management
      • How the Watchdog Works
      • Cyclic Watchdog Toggle
      • Event-Driven Watchdog Toggle
    • Performance Optimization
      • Keep Cycle Logic Fast
      • Choose Appropriate Cycle Time
      • Minimize Event Callbacks
    • Error Handling
      • Graceful Error Recovery
      • Resource Cleanup
      • Monitor I/O Errors
    • Best Practices
      • Naming Conventions
      • Code Organization
      • Documentation
      • Logging
    • Security Considerations
      • Validate External Input
      • Fail-Safe Defaults
    • See Also

API Reference

  • API Reference
    • Overview
    • Quick Examples
      • Basic Usage
      • Cyclic Programming
      • Event-Driven Programming
    • Constants
      • Edge Detection
      • LED Colors
      • IO Types
    • See Also
  • RevPiModIO Classes
    • RevPiModIO
      • Loop Execution Methods
      • Data Synchronization Methods
      • Utility Methods
    • RevPiModIOSelected
    • RevPiModIODriver
    • DevSelect
  • IO Classes and Types
    • IOList
    • IOBase
      • Event Registration Methods
      • Value Manipulation Methods
    • IntIO
      • Integer Value Methods
    • IntIOCounter
    • StructIO
      • Structured Value Methods
    • MemIO
    • RelaisOutput
    • IOEvent
  • Helper Classes
    • Cycletools
      • Change Detection
      • Timer Functions
        • On-Delay Timers
        • Off-Delay Timers
        • Pulse Timers
    • EventCallback
      • Methods
    • ProcimgWriter
  • Device Classes
    • Device
    • DeviceList
    • Base
    • GatewayMixin
    • ModularBaseConnect_4_5
    • Core
    • Connect
    • Connect4
    • Connect5
    • DioModule
    • RoModule
    • Gateway
    • Virtual
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