In summary: as long as Atmel uses the gcc compiler they will have to release the source and patches they do to the toolchain to comply with the GPL. There is also hinting at the debug and programming backend being cross-platform in my opinion a much more important part than the IDE. They will have to provide these no matter what to stay in accordance with the GPL, In addition it is mentioned in the studio 5 thread by multiple atmel employees they do cross compilation of the toolchain internally, but they are not being released at the time. The patches to the toolchain in AS5 is not yet released, but according to a poster on avrfreaks this is just because of the still beta stage of the toolchain. The toolchain is still open and free atmel provides the patches they apply to the toolchain, and there is a discussion in the avr-gcc mailinglist about making them compatible with crosstools-ng. When will the marketing goons at competing microcontroller houses learn that trying to extract a pound of flesh from potential customers via crippled development environments only costs them hugely in the long term? The first real results will be when we compare compiler performance with GCC/AVRlibc combo. But the positives make AVR Studio 5 a welcome sight in my opinion. Yes it is boated, single platform, and now drags the. It still looks like free and uncrippled AVR Studio in conjunction with the highly capable and now uncrippled $49 USD AVR Dragon programmer/debugger remains when it comes to proprietary microcontroller development suites. * Stull needs the Jungo USB driver nonsense for your USB programmer (like the Dragon). * Bloated 500+ MB download, probably eats up more than 1GB HDD space after install. * Looks like it is easy to update, that wasn’t the case with AVR Studio 4. * AVR Dragon is still supported (the fake 32kB limit on the AVR Dragon was removed awhile back). * It still works with WinXP SP3+ as a minimum. * It still seems to be uncrippled freeware (registration required) Voila – AVR Studio 5 with a compiler appears. As a result, many speculated ATMEL was going to release an AVR Studio with an integrated C/C++-compiler. Then WinAVR when stale and has since been declared dead. I read somewhere that awhile back ATMEL hired-away the fellow behind WinAVR.
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