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The Control Surface Integrator (CSI) is a Reaper plugin that aims to let you integrate your hardware control surfaces into Reaper with a much higher level of control than is possible out of the box. If you're prepared to put in the effort to customize your configuration, you will be able to integrate one or more MIDI, MCU, or OSC, control surfaces into a single virtual surface.

This wiki serves as the official documentation for the CSI project for Reaper.

This started out as a wiki project by Malcolm Groves, but Funkybot is now the major contributor, with a little help from Geoff, the developer of CSI.

If you find something out of date, either comment to let us know. Comments, corrections, additions are very welcome.

CSI supports MIDI, MCU and OSC.

PC (64 bit) and Mac systems(Catalina or later, including Apple Silicon) are supported.

• CSI Overview
• Installation and Setup
  • Updating CSI
• Control Surface Settings
• CSI Changelog
• Defining Control Surface Capabilities
  • Message Generators
  • Feedback Processors
  • Virtual Widgets
• Defining Control Surface Behavior
  • Pages
  • Zones
  • Send Zones
  • Receive Zones
  • FX Zone Activation Methods
  • FX Mapping: Auto-Mapping, Learn Mode, Remap Window
  • FX Mapping: Manual
  • Stepped Parameters and Toggles
  • Action Reference
  • Modifiers
• Troubleshooting
• Tips and Tricks
• Step By Step Guides
  • Setting Up Your Phone or Tablet as an OSC Device in CSI
  • How To: Creating a Touch OSC Template, .ost File, and Zone for Use in CSI