avr32 gnu toolchain 3.3.2.321 readme

avr32 gnu toolchain 3.3.2.321 readme
AVR 32-bit GNU Toolchain: Release
3.3.2.321
The AVR 32-bit GNU Toolchain supports all AVR 32-bit devices. The AVR 32bit Toolchain is based on the free and open-source GCC compiler. The toolchain
includes compiler, assembler, linker and binutils (GCC and Binutils), source code
libraries (Newlib).
8/32-bit
Microcontrollers
Release 3.3.2.321
Installation Instructions
System Requirements
AVR 32-bits GNU Toolchain is supported under the following configurations
Hardware requirements
? Minimum processor Pentium 4, 1GHz
? Minimum 512 MB RAM
? Minimum 500 MB free disk space
AVR 32-bit GNU Toolchain has not been tested on computers with less resources, but may run satisfactorily
depending on the number and size of projects and the user's patience.
Software requirements
? Windows 2000, Windows XP, Windows Vista or Windows 7 (x86 or x86-64).
? Fedora 13 or 12 (x86 or x86-64), RedHat Enterprise Linux 4 or 5, Ubuntu Linux 10.04 or 8.04 (x86 or x86-64), or
SUSE Linux 11.2 or 11.1 (x86 or x86-64). AVR 32bits GNU Toolchain may very well work on other distributions.
However those would be untested and unsupported.
AVR 32-bits GNU Toolchain is not supported on Windows 98, NT or ME.
Downloading and Installing
The package comes in several forms.
? As part of a standalone installer (avr-toolchain-installer)
? As part of AVR Studio 5
It can be downloaded from Atmel's website at http://www.atmel.com
Installing on Windows
When installing as a part of AVR Studio 5 you do not have to do anything. See Release Notes for AVR Studio 5 for
more details.
The AVR Toolchain Installer can be downloaded from the website as noted above. After downloading, doubleclick the installer executable file to install. If you wish to specify the location where the AVR Studio 5 software is
installed, choose "Custom Installation".
Installing on Linux
On Linux AVR 32-bits GNU Toolchain is available as a TAR.GZ archive which can be extracted using the 'tar'
utility. Simply extract to the location where you want the application to run from.
Note that if you will develop Linux applications for the AT32AP7000 you must also install the AVR32 Buildroot.
Upgrading from previous versions
If it is installed via AVR Studio 5 it will be upgrade trough the AVR Studio 5 upgrade. See AVR Studio 5 release
notes for details.
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AVR 32bit GNU
Toolchain
AVR 32bit GNU
Toolchain
If you used the standalone installer on MS-Windows, you might do a clean upgrade by first un-installing the old
version or just upgrade using the latest installer.
On Linux, if you have it unpacked to a local folder, you just delete the old folder and unpack the latest version in a
new folder.
Manifest
1. AVR GNU Binutils 2.20.1
? Binary utilities for AVR 32-bit target (including assembler, linker, etc.).
2. AVR 32-bit GNU Compiler Collection (avr32-gcc) 4.4.3
? C language and C++ language compiler for AVR 32-bit target.
3. Newlib (for AVR 32-bit) 1.16.0
? C Standard Library for AVR 32-bit
Layout
Listed below are some directories you might want to know about.
`<install_dir>` = The directory where you installed AVR 32-bits GNU Toolchain.
? <install_dir>\bin
? The AVR software development programs. This directory should be in your `PATH` environment variable.
This includes:
? GNU Binutils
? GCC
? <install_dir>\avr32\lib
? avr-newlib libraries, startup files, linker scripts,and stuff.
? <install_dir>\avr32\include
? avr-newlib header files. This is where, for example, #include <string.h> comes from.
? <install_dir>\avr32\include\avr32
? avr-newlib header files specific to the AVR microprocessor. This is where, for example, #include <avr/io.h>
comes from.
? <install_dir>\lib
? GCC libraries, other libraries,headers and stuff.
? <install_dir>\libexec
? GCC program components
? <install_dir>\doc
? Various documentation.
? <install_dir>\source
? Documentation on where to find the source code for the various projects and source code patches that were
used to build the tools.
Toolset Background
AVR 32-bit GNU Toolchain is a collection of executable software development tools for the Atmel AVR 32-bit
processor.
These software development tools include:
? Compilers
3
?
?
?
?
?
?
Assembler
Linker
Librarian
File converter
Other file utilities
C Library
Compiler
The compiler is the GNU Compiler Collection, or GCC. This compiler is incredibly flexible and can be hosted on
many platforms, it can target many different different processors/operating systems (back-ends), and can be
configured for multiple different languages (front-ends).
The GCC included is targeted for the AVR 32-bit processor, and is configured to compile C, or C++.
Because this GCC is targeted for the AVR 32-bit, the main executable that is created is prefixed with the target
name: `avr32-gcc`. It is also referred to as AVR 32-bit GCC.
`avr32-gcc` is just a "driver" program only. The compiler itself is called `cc1.exe` for C, or `cc1plus.exe` for C++.
Also, the preprocessor `cpp.exe` will usually automatically be prepended with the target name: `avr32-cpp.exe`.
The actual set of component programs called is usually derived from the suffix of each source code file being
processed.
GCC compiles a high-level computer language into assembly, and that is all. It cannot work alone. GCC is coupled
with another project, GNU Binutils, which provides the assembler, linker, librarian and more. Since GCC is just a
"driver" program, it can automatically call the assembler and linker directly to build the final program.
Assembler, Linker, Librarian and More
GNU Binutils is a collection of binary utilities. This also includes the assembler, as. Sometimes you will see it
referenced as GNU as or gas. Binutils includes the linker, ld; the librarian or archiver, ar. There are many other
programs included that provide various functionality.
Binutils is configured for the AVR 32-bit target and each of the programs is prefixed with the target name. So you
have programs such as:
?
?
?
?
?
?
?
?
?
?
?
?
?
avr32-as: The Assembler.
avr32-ld: The Linker.
avr32-ar: Create, modify, and extract from archives (libraries).
avr32-ranlib: Generate index to archive (library) contents.
avr32-objcopy: Copy and translate object files.
avr32-objdump: Display information from object files including disassembly.
avr32-size: List section sizes and total size.
avr32-nm: List symbols from object files.
avr32-strings: List printable strings from files.
avr32-strip: Discard symbols.
avr32-readelf: Display the contents of ELF format files.
avr32-addr2line: Convert addresses to file and line.
avr32-c++filt: Filter to demangle encoded C++ symbols.
See the binutils user manual for more information on what each program can do.
4
AVR 32bit GNU
Toolchain
AVR 32bit GNU
Toolchain
C Library
Newlib is the Standard C Library for AVR 32-bit GCC. Newlib is a C library intended for use on embedded systems.
It is a conglomeration of several library parts. The library is ported to support the AVR 32-bit processor.
Debugging
Atmel AVR Studio 5.x provides a debugger and also provides simulators for the parts that can be used for
debugging as well. Note that `AVR Studio 5` is currently free to the public, but it is not Open Source.
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New and Noteworthy
This chapter lists new and noteworthy items for the AVR 32-bit GNU Toolchain release.
AVR 32-bit GNU Toolchain
Supported devices
AVR 32-bit GNU Toolchain supports the following devices:
Note:- Devices which are supported in this release are marked with *
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New Features
No new features are added in this release
Component Upgrades
No components are upgraded in this release
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AVR 32bit GNU
Toolchain
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AVR 32bit GNU
Toolchain
Contact Information
For support on AVR 32-bit GNU Toolchain please contact [email protected]
Users of AVR 32-bit GNU Toolchain are also welcome to discuss on the AVRFreaks website forum for AVR32
Software Tools.
Disclaimer and Credits
AVR 32-bit GNU Toolchain is distributed free of charge for the purpose of developing applications for Atmel AVR
processors. Use for other purposes are not permitted; see the software license agreement for details. AVR 32-bit
GNU Toolchain comes without any warranty.
Copyright 2006-2011 Atmel Corporation. All rights reserved. ATMEL, logo and combinations thereof, Everywhere
You Are, AVR, AVR32, and others, are the registered trademarks or trademarks of Atmel Corporation or its
subsidiaries. Windows, Internet Explorer and Windows Vista are either registered trademarks or trademarks
of Microsoft Corporation in the United States and/or other countries. Linux is the registered trademark of Linus
Torvalds in the United States and other countries. Built on Eclipse is a trademark of Eclipse Foundation, Inc. Sun
and Java are registered trademarks of Sun Microsystems, Inc. in the United States and other countries. Mozilla
and Firefox are registered trademarks of the Mozilla Foundation. Fedora is a trademark of Red Hat, Inc. SUSE is a
trademark of Novell, Inc. Other terms and product names may be the trademarks of others.
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