I recorded a small presentation how to use the basic features: look here and here.

Currently supported features:

• easy to use managed build system based on the GNU toolchain
• supports C and C++ projects, also ASM Programming
• different project types
  • NDS ROM - ARM9 Sources + NDS Tool
  • NDS ARM7 Code - ARM7 Sources + ObjCopy
  • NDS ARM7 Library - generates a static link lib
  • NDS ARM9 Library - generates a static link lib
• includes ObjCopy and NDS-Tool in the toolchain
• integrate the ARM gdb debug server

Requirements:

• I tested it under Linux and Windows XP/Vista operating system.
• Eclipse 3.4.0 or higher (Ganymede)
• CDT 5.0.0 or higher
• This plugin is made for using the devkitPRO/devkitARM toolchain (version 19-23)

• Emulator with debug support like Desmume

Installation:

• Install the plugin using the updater. Simply add the site (see below) to your update sites and search for new features to install.
• install devkitPro/ARM and set envvar DEVKITPRO/ARM if it is not set by the installer
• that's all

Please use the update site:

• Eclipse Update Site - Online
• Eclipse Update Site - Offline
• Eclipse Update Site OLD version 1.x.x

Full Eclipse packages:

• Eclipse Full Package Win32 - Zip-Format
• Eclipse Full Package Win32 - 7z-Format

License:

• LGPL

Links:

• update site: http://dev.snipah.com/nds/updater
• sources at http://dev.snipah.com/svn/TAGS/eclipse/
• devkitPro tool chain
• Eclipse IDE