Saturday 26 April 2014

atmel - Moving to ARM from 8 bit AVR - how to take the 1st step?


I've written code for AVRs for several years now and it seems like my needs are calling for a more powerful processor. Since Atmel Studio is the IDE I'm already using and my debugger also works with ARM MCUs, going with an Atmel device seemed like a no-brainer. The troubles began when I tried to actually start and write some code. AVRs have an endless amount of tutorials on forums such as avrfreaks.net but the Atmel ARM MCUs do not. To make things worse, Atmel offers, almost exclusively, code that is written with its ASF software framework which means that if I want to use it I have to adopt a pretty high level approach which I don't like in coding, as I am not entirely aware of what goes on under the hood.


My question is: if someone went through a similar path, what was the correct place to start and learn how to use these M3 MCUs without the ASF!




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