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An interestingly failed IO pin
Today I was given a box we produce, returned by a customer for repair, with a serial number indicating that it was sold some 2 years ago. The customer said that it worked for...
Monday, 18 July 2011 - 19:46
AVR Toolchain - incorrect startup code for ATMega2561
c:\tmp>"c:\Program Files\Atmel\AVRTools\AVRToolchain\bin\avr-gcc" --version avr-gcc (AVR_8_bit_GNU_Toolchain_3.2.3_314) 4.5.1 c:\tmp>"c:\Program Files\Atmel\AVRTools\...
Thursday, 30 June 2011 - 10:44
Puzzle of the day: ADC drifting in ATMega128
In an application I noticed, that after switching my test specimen on, after several tens of seconds or even minutes, it made a "chirping" noise, as if one of the buttons on its...
Monday, 16 May 2011 - 19:14
WinAVR and sources
To whomever from Atmel listening here: I know you don't call it WinAVR now so insert whatever ridiculous name you invented for it ("Toolchain" is it? I lost clue): will it be...
Thursday, 5 May 2011 - 07:24
A few remarks on the avr-gcc inline assembler
In the hope this will help at least a bit. Similarly, Levenkay wrote: As for resorting to inline assembler, I agree that would let me express the operation succinctly. The...
Monday, 18 April 2011 - 13:09
AVR32Studio becomes Atollic TrueSTUDIO®/AVR
https://www.avrfreaks.net/index.p... I wonder what might that mean for the non-AVR32 AVRStudio's fate. JW
Friday, 12 November 2010 - 05:43
AVR32Studio becomes Atollic TrueSTUDIO®/AVR
Friday, 12 November 2010 - 05:38
Want to solder on AVR's bent pins like a pro?
Some nice pictures in this appnote. :-P JW
Monday, 8 November 2010 - 16:06
What's wrong with SPI slave
I wrote: sparrow2: There is no point in checking other received bytes in the SPI ISR - the issue is, that SPI does not have an Rx double buffer so the span between ISRs is 1 byte...
Friday, 5 November 2010 - 20:00
How fast will an interrupt trigger after being enabled?
The AVR datasheets say, that after RETI and SEI, there is always at least one instruction executed until a (potentially pending) interrupt is being serviced. However, to be able...
Thursday, 4 November 2010 - 21:27
A completely crazy idea about atomic stuff
Now we all know that the issue of atomicity is more than just reading and writing multi-byte variables shared between main and ISR, but that's the most common case when atomicity...
Thursday, 4 November 2010 - 17:46
What does money buy in C compilers?
In this post in the AVR-GCC subforum, Levenkay reported of an experiment where avr-gcc performed sub-optimally in a certain situation. millwood asserted, that paid compilers...
Friday, 29 October 2010 - 07:24