AVR 8-bit GNU Toolchain: Release 3.3.0.364
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1. AIMEL 3 AMEL 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 in AVR 8 bits GNU Toolchain is targeted for the AVR 8 bits MCU and is configured to compile C or C CAUTION There are caveats on using C See the avr libc FAQ Because this GCC is targeted for the AVR 8 bits MCU the main executable that is created is prefixed with the target name avr gcc with exe extension on MS Windows It is also referred to as AVR GCC avr gcc is just a driver program only The compiler itself is called cc1 exe for C or cciplus exe for C Also the preprocessor cpp exe will usually automatically be prepended with the target name avr cpp 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 b2. AVR 8 bit GNU Toolchain Release 3 3 0 364 Alin L The AVR 8 bit GNU Toolchain supports all AVR 8 bit devices The AVR 8 bit T 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 AVRLibC and debugger GDB 8 32 bit AMR Microcontrollers Release 3 3 0 364 AEL AMEL Installation Instructions System Requirements AVR 8 bits GNU Toolchain is supported under the following configurations Hardware requirements e Minimum processor Pentium 4 1GHz e Minimum 512 MB RAM e Minimum 500 MB free disk space AVR 8 bits 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 e Windows 2000 Windows XP Windows Vista or Windows 7 x86 or x86 64 e 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 8 bits GNU Toolchain may very well work on other distributions However those would be untested and unsupported AVR 8 bits GNU Toolchain is not supported on Windows 98 NT or ME Downloading and Installing The package comes in several forms e As part of a standalone installer avr toolchain installer e As part of AVR Studio 5 Installer It can be downloaded from Atmel s website
3. at hAtto Avww 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 double click the installer executable file to install If you wish to specify the location where the AVR Toolchain software is installed choose Custom Installation Installing on Linux 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 On Linux AVR 8 bits GNU Toolchain is also 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 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 2 AVR 8 bit GNU Toolchain AVR 8 bit 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 8 bits GNU Binutils 2 20 1 e Binary utilities for AVR 8 bits target including assembler linker etc 2 AVR 8 bits GNU Compi
4. 64m1 90usb647 megal284p ooonononoownwowowvwoenoowewoowoeowewoeovooeoowoeooweoeoa p UT AF OUT AE EE AP UF CE EF OUR OUT AO OE UF OO AF UF EE EE EE a ON OUT CF TE EF tiny22 90c8534 tiny2313a tiny84 tiny26la tiny87 mega103 mega32u2 mega48pa mega8515 90pwm3 megal61 megal65a megal69 megal6hvb mega324a mega325pa mega328p mega3290a mega32u6 mega644p mega6450a mega6490a mega32hvb megal6 cl megal6u4 94k megal28rfal AVR 8 bit GNU Toolchain at90can128 at 90usb1287 atmega2560 atmega2561 atxmegal6a4 atxmegal6a4u atxmegal6d4 atxmega32a4 atxmega32a4u atxmega32d4 atxmega32x1 atxmega64a3 atxmega64a3u atxmega64d3 atxmega64alu atxmegal28a3 atxmegal28a3u atxmegal28bl atxmegal28d3 atxmegal92a3 atxmegal92a3u atxmega256a3 atxmega256a3b atxmega256a3bu atxmega256a3u atxmega256d3 atxmegal28al attiny4 attiny5 attiny9 attiny10 attiny20 at90s1200 attinyll attiny12 attinyl5 New Features No new features are added in this release Component Upgrades No components are upgraded in this release Known Issues e Support for AVR Tiny 4 5 9 10 20 40 devices is in beta stage e Support for ATtiny1634 does not include clock_prescaler_set and wdt_enable macros AIMEL 7 AMEL AVR 8 bit GNU Toolchain AVR 8 bit GNU Toolchain Contact Information For support on AVR 8 bit GNU Toolchain please contact avr atmel com Users of AVR 8 bit GNU Toolchain are also welcome to discus
5. inary utilities This also includes the assembler as Sometimes you will see it referenced as GNU as or gas Binutils includes the linker Id the librarian or archiver ar There are many other programs included that provide various functionality Note that while the assembler uses the same mnemonics as proposed by Atmel the glue pseudo ops operators expression syntax is derived from the common assembler syntax used in Unix assemblers so it is not directly compatible to Atmel assembler source files Binutils is configured for the AVR target and each of the programs is prefixed with the target name So you have programs such as avr as The Assembler e avr ld The Linker e avr ar Create modify and extract from archives libraries e avr ranlib Generate index to archive library contents avr objcopy Copy and translate object files avr objdump Display information from object files including disassembly e avr size List section sizes and total size avr nm List symbols from object files e avr strings List printable strings from files avr strip Discard symbols avr readelf Display the contents of ELF format files avr addr2line Convert addresses to file and line e avr c 4filt Filter to demangle encoded C symbols See the binutils user manual for more information on what each program can do C Library avr libc is the Standard C Library for AVR 8 bits GCC It contains many of the standard C r
6. iny1634 mega 88 mega8hva 90pwm8 1 megal63 megal65pa megal69a megal6hvbrevb mega324p mega3250 mega329 mega3290p mega406 m m m m m m 0 ega644pa ega6450p ega6490a ega32hvbrevb ega32cl ega32u4 00 fe umn En un IL UL EL UE ER UIE UR EEA OV UL EL IL tw tE tt tft t fkt oet terete tet ete tet er te et et ge ft oe et m 6 AVR 8 bit GNU t90s2323 t90s4433 ttinyl3 ttiny4313 ttiny45 ttiny861 t86rf401 t90usb162 tmega8 tmega88a t90pwml t 90pwml 61 tmegal64a tmegal68 tmegal69pa atmegal6u4 a voup yp yp ypy M VS oe ow ega325 ega3250p ega329p ega32cl ega640 ega645p ega649a ega64cl t90can64 megal6m1 90scr100 megal280 m m m m m m m m oooooo ow pp a a a Toolchain ooononononownwvwovwoeowewonvwoeoe oovweoowoeaooweoeoa w t90s2333 t90s4434 ttinyl3a tiny44 tiny85 tiny86la 43usb355 mega8u2 mega48 mega88p 90pwm2 megal6 megal64p megal68a megal hva mega32 mega325a mega3250pa mega329pa mega32m1 mega644 mega645 mega649p mega64m1 90pwm216 mega32m1 90usb646 megal281 vuy yy yy ypy yp yop vuoyp uoy uoy yop yy ypy yyy t90s2343 t90s8515 ttiny2313 tiny44a tiny261 tiny43u 76c711 mega 1l6u2 mega48a mega88pa 90pwm2b megal6a megal65 megal68p megal 6hva2 mega323 mega325p mega328 mega3290 mega32u4 mega644a mega6450 mega6490 mega64hve 90pwm316 mega
7. ler Collection avr gcc 4 5 1 e C language and C language compiler for AVR 8 bits target 3 AVRLibC 1 7 1 e C Standard Library for AVR 8 bits 4 AVR 8 bits GNU Debugger avr gdb 7 0 1 e GDB is a command line debugger Layout Listed below are some directories you might want to know about lt install_dir gt The directory where you installed AVR 8 bits GNU Toolchain e lt install_dir gt bin e The AVR software development programs This directory should be in your PATH environment variable This includes e GNU Binutils e GCC e GNU Debugger GDB e lt install_dir gt avr lib avr libc libraries startup files linker scripts and stuff e lt install_dir gt avr include e avr libc header files for AVR 8 bits e lt install_dir gt avr include avr e header files specific to the AVR 8 bits MCU This is where for example include lt avr io h gt comes from e lt install_dir gt lib e GCC libraries other libraries headers and stuff e lt install_dir gt libexec e GCC program components e lt install_dir gt doc e Various documentation e lt install_dir gt source e 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 8 bits GNU Toolchain is a collections of executable open source software development tools for the Atmel AVR 8 bit series of Micro Controller Units MCU It includes the GNU GCC compiler for C and C
8. outines and many non standard routines that are specific and useful for the AVR 8 bits MCU 4 AVR 8 bit GNU Toolchain AVR 8 bit GNU Toolchain NOTE The actual library is currently split into two main parts libc a and libm a where the latter contains mathematical functions everything mentioned in lt math h gt and a bit more Thus it is a good idea to always include the Im linker option Also there are additional libraries which allow a customization of the printf and scanf function families avr libc also contains the most documentation on how to use and build the entire toolset including code examples The avr libc user manual also contains the FAQ on using the toolset Debugging The GNU Debugger GDB is the main package that can be used for general debugging GDB is a command line program only There are also alternatives for debugging and simulation Atmel offers a free package called AVR Studio 5 which can also do simulation Note that AVR Studio 5 is currently free to the public but it is not Open Source AIMEL 5 New and Noteworthy AMEL This chapter lists new and noteworthy items for the AVR 8 bit GNU Toolchain release AVR 8 bit GNU Toolchain Supported Devices AVR 8 bit GNU Toolchain supports the following devices Note Devices which are supported in this release are marked with t9052313 t90s4414 ta6289 tiny24a tiny25 tiny46la tiny88 90usb82 t
9. s on the AVRFreaks website forum for AVR Software Tools Disclaimer and Credits AVR 8 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 8 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 AIMEL 9
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