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Compiling for A4 vs A4U: different size
SprinterSB wrote:So I already wondered if these instructions are just vapor-ware, made it into a manual but never to silicon? The instruction is supported by the proprietary (not...
Monday, 2 April 2012 - 11:47
8/16-bit AVR microcontroller?
Yeah, I read it as "16-bit performance in an 8-bit architecture". Note that technically, in the XMega, all the index registers are always treated as 24-bits wide for all data...
Monday, 2 April 2012 - 11:24
Static variables not working on mega164 - GCC bug??
david.prentice wrote:If your ISP software supports ATmega164A, use it. Otherwise say ATmega164. If it supports neither, update your ISP software. David. Historical note:...
Monday, 26 March 2012 - 14:28
Static variables not working on mega164 - GCC bug??
Note: this discussion deals only with the ATmega164P/324P/644P subfamily. Other differences will come into play if you consider other devices from other subfamilies. Namely, the...
Monday, 26 March 2012 - 13:20

There will not be any fixes to allow built-in support for more than 64 KB of read-write data in RAM any time soon. Relatively painless support for more than 64 KB of constant data...
Thursday, 22 March 2012 - 11:26
Strings in RAM not initialiced
wek wrote:You can check yourself by going into [toolchain]\lib\gcc\avr\4.5.1\[architecture] and running something like "avr-objdump -d -s -j .init4 libgcc.a >someoutputfile.txt"....
Wednesday, 21 March 2012 - 14:52
Strings in RAM not initialiced
wek wrote:This has nothing to do with make. I absolutely believe you; I anticipated, however, that if I didn't mention the complete conditions of my test, then somebody else might...
Wednesday, 21 March 2012 - 14:40
Strings in RAM not initialiced
clawson wrote:Quote: code is in a highter memory segment, und it uses: lpm r0, Z+ It might have helped if you said you were using a device that needs to use ELPM. The lack of it...
Wednesday, 21 March 2012 - 12:13

legacyII wrote:hi guys, i am toying with avr-gcc and i'd like to put something really big into my big-128Kbyte-flash on my new avr8 chip, but in practical words it means that...
Wednesday, 21 March 2012 - 12:06
6?!
kscharf wrote:gchapman wrote:kscharf wrote:So will this fix the problem with far function pointers in GCC when 4.7 is available?No. Reference GCC AVR Options, section 3.17.3.1...
Friday, 9 March 2012 - 20:05
Is this legal? In Assembler
jgmdesign wrote:I suspected it would work as I had already tried it, but since several heavyweights have chimed I feel better now. FWIW, I do have more to the init routine that...
Friday, 9 March 2012 - 12:08
WinAVR continuation
SprinterSB wrote:lfmorrison wrote:I see that they announced official support for Xmega, and official support for named address spaces, both in the same release.Support for the new...
Thursday, 8 March 2012 - 20:19

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