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objdump -S in IAR?
Compiler1 vs compiler2 code size discussion erupts here periodically. There was a thread here recently again ... so I decided to try something for myself. I normally use WinAVR. I...
Wednesday, 23 January 2013 - 16:34
EEPROM write time
A sanity check. I have been using XMEGAs for about a year already, but until now never cared to look into EEPROM write time. As I see it, a single byte write on XMEGAs is slower...
Tuesday, 15 January 2013 - 19:12
How to define a max enum value?
This has nothing to do with AVR. I guess I am abusing the forum a little. What I am looking for a some trick to define an enum value that is equal to the maximum valid value. Non-...
Thursday, 1 November 2012 - 19:48
Static local variables visible in the debugger?
Yesterday I tried the Atmel toolchain compiler for the first time: https://www.avrfreaks.net/index.p... I noticed a few differences in the elf file format (more specifically, the...
Tuesday, 30 October 2012 - 17:57
Compiler creates a body for a static inline function
WinAVR-20100110 creates an unused body for a static inline function. I thought I would try -ffunction-sections. Noticed that it adds an unnecessary "ret" for some functions. Any...
Monday, 29 October 2012 - 16:44
32 MHz vs 2 MHz internal oscillators
What is the point behind the two internal oscillators? More specifically, the 32MHz one, considering that the 2MHz one can be PLL-ed to 32MHz?
Saturday, 27 October 2012 - 23:05
Warning about unused static inline function
Is there a way to get a warning about unused static inline functions? Is there maybe some sort of attribute to ask for warning on a per-function basis? (I had the warnings all the...
Monday, 15 October 2012 - 21:23
I guess this does not really have anything to do with AVR. So, moderators, please move this to off topic if you fill that this does not belong here... The documentation on -Wundef...
Friday, 14 September 2012 - 14:10
Force output compare
I am using "force output compare" to generate two signals in opposite phases. It works most of the time. Sometimes, however, something happens to the timer and both signals end up...
Friday, 11 May 2012 - 20:46
CLKper and CLKcpu
I recently started with XMEGAs. When I first saw the prescalers and PLL, I thought, cool, I can change CPU frequency without changing PER frequency (because changing CLKper often...
Wednesday, 4 April 2012 - 23:08
How does LPM instruction work?
I am new to xmega, but not to avr8 in general. I know I need to RTFM, but there is quite a lot of new stuff and, I guess, I have hard time locating what I need. BTW, I am using...
Tuesday, 27 March 2012 - 14:58
Moving from mega to xmega
I think I will need to do software for an xmega. This is going to be the first for me. I have been doing mega/tiny for a few years and quite comfortable with avr-gcc, mega48/68/...
Tuesday, 6 March 2012 - 20:19