GPUTILS is a collection of tools for the Microchip (TM) PIC microcontrollers. It includes gpasm, gplink, and gplib. It's distributed under the terms of the GNU Public License. There are other GNU PIC tools available such as gpsim, a gputils compatible simulator.
GPUTILS was created by Craig Franklin and James Bowman. Currently, it is primarily supported by Marko Kohtala. In the past it has been supported by David Barnett and Scott Dattalo.
Linux (and other unices), Mac OS X, and MS-Windows are supported. GPUTILS will compile natively on Linux using gcc. Mac OS X users will need the December 2001 Developer Tools. Windows 98/NT users will need MinGW32 if they wish to compile the tools.
See the Sourceforge download page for source and binary packages.
The latest development sources are available from our svn server. Note: we migrated from CVS and the CVS server is no longer in use.
The following command will checkout all of the sources and place them in a gputils subdirectory:
svn co https://gputils.svn.sourceforge.net/svnroot/gputils local_target_dir
Of course, you will probably want to add "/trunk" to the URL to check out the main trunk of development.
You can browse our svn tree here.
SourceForge has further documentation on accessing a svn tree here.
Older gputils and gpasm releases are available.
Users have ported gputils to many other platforms. Some of these binaries are for the old gpasm package.
If you have generated a binary of gputils please notify the maintainer of this website, so that it can be added.
Microchip offers an integrated development environment called MPLAB. This environment is only available for MS-Windows. The gputils project has developed an MPLAB plugin. With this plugin, gputils-mplab, MPLAB can be used as an IDE for gputils.
Microchip provided the project with a set of test files that they use to test MPASM for each release. These files were reformatted, some typos were fixed, and scripts to run the tests were generated. The files and scripts are located in svn and can be accessed here.
For anyone interested, the original unaltered files are available in this archive. For information about the archive please read this file. These files were provided by Microchip without any warranty or any level of support. If you have a question about the files ask the current gputils project administrator, not Microchip.
January 7, 2012 -- gputils-0.14.1 Released
October 29, 2011 -- gputils-0.14.0 Released
Added support for pic 14 bit devices enhanced instruction set
Added support for pic18f2xk22 / pic18f4xk22 family
Added support for EEPROM16
GPUTILS comes with some documentation and examples. When that isn't enough, you can find help in the following places:
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User Manual - for information on the tools in Acrobat format. You might also want to take a look at Microchip's MPASM manual. For information on Microchip's COFF files, look in this manual.
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gputils Wiki - for in-depth documentation, etc. (additions welcome).
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FAQ - for frequently asked questions.
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Relocatable object HOWTO - for brief information about using gputils with relocatable objects.
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Mailing list - if you have a general question about PIC micro controllers or the tools. Subscribe to the GNUPIC mailing list by sending a message to:
gnupic-subscribe@linuxhacker.org
with the word subscribe in the body.
gnupic@linuxhacker.org is the address of the list.
There's also the gnupic archive.
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Bug Reporting - if you have a problem using GPUTILS, we need to hear about it.
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Feature Requests - if you would like to see a new feature.
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Source Forge Website - for further information.
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GPSIM Information - for information on the gputils compatible simulator.
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XGPASM Information - for information on a gui for gpasm.
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PiKdev Information - for information on an IDE for gpasm.
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Last updated: January 01, 2012