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__divmodhi4 and __divmodsi4
I know that hi4 is int16_t and si4 is int32_t. But what do 'h' and 's' stand for?
Friday, 1 November 2013 - 14:32
PDI does not respond
Trying to program one xmega from another. According to AVR1612, the initial steps are: 1. Load the PDI RESET register with the Reset Signature (0x59). 2. Load the correct NVM...
Monday, 1 April 2013 - 20:39
avr8-gnu-toolchain License.rtf
GNU license in rtf format - for some reason I find that almost offensive. Is this just me?
Tuesday, 19 March 2013 - 18:08
XMEGA-AU four-port EBI
I was under impression that the four-port mode was not supported on any of the currently available chips. Apparently it is. There are new registers in the U version that allow to...
Friday, 15 March 2013 - 13:10
atprogram.exe path
When Atmel Studio gets installed, does it add things like the atprogram.exe folder to the system path? If not, how one would go about finding the folder with atprogram.exe? For...
Saturday, 9 March 2013 - 20:14
Standalone command line utilities
A little background: - We are using more and more xmegas. - The U versions of some of them are no longer supported in AVR Studio 4.19. - I'm NOT looking forward to Visual Studio...
Saturday, 9 March 2013 - 15:43
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