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The Femto OS is a very concise portable preemptive operating system for embedded devices with minimal ram and flash, up to say 16K flash, 1K ram. The main target is the AVR architecture, such as the ATtiny861/461/261 series.
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GNU General Public License version 2.0 (GPLv2)Follow Femto OS
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User Reviews
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It may well be a good system, but presenting a 2k operating system as an 88k file of excessive comments mixed with C mixed with compiler drectives for every AVR version under the sun totally obscures what it may be doing and that is no use to me. I would say it was not so much an operatng system as a program that generates an operating system given the users requirements. If it's a 2kb operating system what I need to see is a very small ASM file that assembles to 2kb with just enough comments to help me follow what it is doing.
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The author has an extensive understanding of operating system design and has written a beautiful OS with extensive documentation. The capabilities of this system are allowing me to take my projects to the next level which is something I could not have done on my own. Kudos! @S. Pinigin - When reviewing software that is designed for a particular chip set it is unprofessional to knock it for not working on some other chip set. Also, you review is completely non-productive.
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Follow his installation and starting documents and you will have a nice experience using this RTOS. cleanly written and with a very usefull API it will help you to save a lot of time.
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AVR only :(
