Here is a 'generic' step-by-step to getting an AVR development platform going on your computer using the free AVR toolchain (avr-gcc, avr-libc and avrdude) Pretty much every project uses this toolset so its a good way to get going
AVR Studio 4 is the Integrated Development Environment (IDE) for developing 8-bit AVR applications in Windows NT/2000/XP/Vista/7 environments. AVR Studio provides you with an integrated Assembler, integrated Simulator.
The following two methods both place all of the files in the /usr/local/bin directory in the hard driver. Unfortunately that directory is not in the default path. That means that when you type avrdude into the terminal it cant figure out where to look. In this prep-step you'll change the profile of your Terminal to add /usr/local/bin to the path.
Find the Terminal program, you'll be using this to do most of this stuff. Its in the Applications/Utilities folder In the new Terminal window, type in echo $SHELL and press return If the output is /bin/bash then type the following command: If the output is /bin/csh or /bin/tcsh then type the following command: Close any Terminal windows and open up a new one. This makes sure the .bash_profile or .cshrc is reloaded. Now type in echo $PATH (for bash) or echo $path (for t/csh) you should get something like the following:
The important thing is that at the end of the line is /usr/local/bin
This is the suggested method
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Download the ready to go nice package from ObDev, I havent tried it but a friendly email'er said its great.
This isnt suggested, and is an older method, but we leave the documentation here in case its handy
You will need make which is included in XCode, as OSX-AVR doesn't come with it (ugh)
Step 1. Download and install the mac developer tools (XCode).
You need to have make installed, but it doesn't come with the OSXAVR package. You can try installing it with fink, which will require a lot less space but the following is guaranteed. If you want to have the latest avr-gcc you may also have to do it the 'old way' which guarantees the most recent tools will be installed.
To install XCode you will need the official packages. These are available on your Mac OS X Install CD, or from apple at: apple developer tools. The file is about 900MB so unless you have a fast connection I strongly encourage grabbing it off of the Install CDs that came with your Mac (you do still have those, right?) Basically we need the native Mac OS X compiler tools so that we can generate the AVR compiler tools.
There's finally a good/fast way of installing all these tools under Mac OS X PPC or i386! First, download the OSX-AVR packge for PPC (older macs) or i386 (Intel macs, latest ones) from sourceforge.
Run the OSX-AVR.mpkg
You're done!
(Images of installation and process are forthcoming but its rather easy so go ahead and try it anyways)
Don't forget you have to install XCode as make doesn't come with this package.
Can't get it working? Dont worry, help is available in the forums!
This is the advanced method, for when you need bleeding-edge development and hackability. Not suggested
The following steps are essentially the same for MacOS X or Linux, BSD or any other unixy OS. This is the 'old style' of installing avr-gcc, its longer and more tedious but you are guaranteed to have the latest version.
(Note that this doesn't seem to work on Intel Macs for unknown reasons, we're investigating...)
Leah Buchley has an excellent tutorial, and you should follow it. I've reduplicated it here in case the site goes down. (also with a few minor 'improvements' and images
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Step 2. Download & install binutils (an essential utility for the C compiler)
Download the current release of binutils from : http://www.gnu.org/software/binutils/ (you can also go straight to the download site here) For these examples, we'll be using binutils-2.17.tar.gz but you should use whatever is most recent. Save it into your home directory, not the desktop.
Decompress the downloaded file and double click on it to decompress it (or use Stuffit Expander, in the Applications folder). You should now have a folder called binutils-2.17 which you should drag into your Home directory
Open up a Terminal window and navigate to the binutils directory. Type: cd binutils-2.17 <return> (or whatever you downloaded) theb type in ls to verify everythings there
Configure binutils for AVR. type: ./configure --target=avr <return>
this will start a long process that will spit out a lot of text. Once its done, compile binutils. type: make <return> Once that's done, install binutils. type: sudo make install You will be prompted to enter your password. Only administrators can install software thats why the password is necessary. Step 3. Download & install gcc (the C compiler) First, download the current release of gcc from: http://gcc.gnu.org/mirrors.html currently thats gcc 4.2.0 Decompress the downloaded file and put the decompressed folder in your home directory. Open up a new Terminal window in your home directory, type cd gcc-4.2.0 and then ls to verify its all in there. Next, c reate another directory to install gcc into. Once the configuration is done, compile gcc. This will take a long time so go have a sandwich When its done and you've washed your plate and silverware, install gcc. type: sudo make install<return>
Download the current release of avr-libc from : http://savannah.nongnu.org/projects/avr-libc/ Decompress the downloaded file and put the decompressed folder in your home directory In a new Terminal window, navigagte to the avr-libc directory. from your home directory Configure avr-libc. type: ./configure --host=avr <return> Compile avr-libc. type: make Install avr-libc. type: sudo make install Step 5. Download and install avrdude (the software that loads programs from your machine onto the chips) Download the current release of avrdude from : http://download.savannah.gnu.org/releases/avrdude/ Decompress the downloaded file and put the decompressed folder in your home directory In a Terminal window, navigate to the avrdude directory. From your home directory type: cd avrdude-5.2 (or whatever you downloaded) Yay all the software is installed! Can't get it working? Dont worry, help is available in the forums!
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