Nios II Classic Software Developer’s Handbook Subscribe NII5V2 101 Innovation Drive 2015.05.14 San Jose, CA 95134 Send Feedback www.altera.com TOC-2 Contents Overview of Embedded Development................................................................ 1-1 Installing Windows* Subsystem for Linux* (WSL) on Windows*......................................................... 1-1 Prerequisites for Understanding the Embedded Design Suite...............................................................1-1 Finding Nios II EDS Files............................................................................................................................1-2 Software Development Environment........................................................................................................ 1-2 EDS Development Flows.............................................................................................................................1-2 SBT Development Flow...................................................................................................................1-2 Programs....................................................................................................................................................... 1-3 Makefiles and the SBT..................................................................................................................... 1-3 Software Project Types.....................................................................................................................1-4 Intel FPGA Software Packages for Embedded Systems.......................................................................... 1-5 Embedded Design Examples...................................................................................................................... 1-5 Hardware Examples......................................................................................................................... 1-5 Software Examples........................................................................................................................... 1-6 Third-Party Embedded Tools Support...................................................................................................... 1-6 Additional Information...............................................................................................................................1-6 Getting Started with the Graphical User Interface.............................................2-1 Installing Eclipse IDE into EDS..................................................................................................................2-1 Getting Started with Nios II Software in Eclipse..................................................................................... 2-2 The Nios II SBT for Eclipse Workbench........................................................................................2-2 Creating a Project.............................................................................................................................2-3 Navigating the Project..................................................................................................................... 2-4 Building the Project......................................................................................................................... 2-5 Configuring the FPGA.................................................................................................................... 2-5 Running the Project on Nios II Hardware....................................................................................2-5 Debugging the Project on Nios II Hardware................................................................................2-6 Creating a Simple BSP................................................................................................................... 2-11 Makefiles and the SBT for Eclipse............................................................................................................2-12 Eclipse Source Management.........................................................................................................2-12 User Source Management............................................................................................................. 2-13 BSP Source Management.............................................................................................................. 2-14 Using the BSP Editor................................................................................................................................. 2-14 Tcl Scripting and the BSP Editor..................................................................................................2-15 Starting the BSP Editor..................................................................................................................2-15 The BSP Editor Screen Layout......................................................................................................2-15 The Command Area...................................................................................................................... 2-15 The Console Area...........................................................................................................................2-19 Exporting a Tcl Script.................................................................................................................... 2-19 Creating a New BSP.......................................................................................................................2-20 BSP Validation Errors....................................................................................................................2-21 Run Configurations in the SBT for Eclipse.............................................................................................2-21 Altera Corporation TOC-3 Opening the Run Configuration Dialog Box............................................................................. 2-21 The Project Tab...............................................................................................................................2-21 The Target Connection Tab.......................................................................................................... 2-22 The Debugger Tab..........................................................................................................................2-22 Optimizing Project Build Time................................................................................................................2-22 Importing a Command-Line Project.......................................................................................................2-22 Nios II Command-Line Projects..................................................................................................2-22 Importing through the Import Wizard....................................................................................... 2-22 Road Map........................................................................................................................................2-23 Import a Command-Line C/C++ Application...........................................................................2-23 Import a Supporting Project.........................................................................................................2-24 User-Managed Source Files.......................................................................................................... 2-24 Packaging a Library for Reuse..................................................................................................................2-25 Creating the User Library............................................................................................................. 2-25 Using the Library............................................................................................................................2-25 Creating a Software Package.....................................................................................................................2-25 Programming Flash in Intel FPGA Embedded Systems.......................................................................2-28 Starting the Flash Programmer....................................................................................................2-28 Creating a Flash Programmer Settings File................................................................................2-28 The Flash Programmer Screen Layout........................................................................................ 2-29 The Command Area...................................................................................................................... 2-29 The Console Area...........................................................................................................................2-30 Saving a Flash Programmer Settings File....................................................................................2-30 Flash Programmer Options.......................................................................................................... 2-30 Creating Memory Initialization Files...................................................................................................... 2-31 Generate Memory Initialization Files......................................................................................... 2-31 Generate Memory Initialization Files by the Legacy Method..................................................2-31 Memory Initialization Files for User-Defined Memories.........................................................2-32