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An ill ATMega128 slipped through device testing at Atmel... ... and landed on a board, which in turn ended up at my desk. In production, it appeared to work OK and the device went through our testing procedure without any fault, until they... |
Wednesday, 4 August 2010 - 17:35 |
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WinAVR20100701 first impressions Okay, Atmel does not call it this way, but I now will. Downloaded the bundle from http://distribute.atmel.no/tools... (a whopping 265MB) . I am not interested in the diluted... |
Friday, 2 July 2010 - 08:57 |
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Memory barrier: what it does and what it does not do Programs contain sequences of statements, and a naive compiler would execute them exactly in the order as they are written. But an optimizing compiler is free to reorder the... |
Wednesday, 9 June 2010 - 19:18 |
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recent avr-libc activity As a new avr-libc is going to be released soon, there is quite a lot of activity around there. For those who are not subscribed yet to the avr-libc-dev mailing list, but are... |
Tuesday, 8 June 2010 - 22:43 |
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[request for comment] zero-stripped clone of PSTR macro This is again a suggestion for a minor - related enhancement. In small embedded programs, often strings of a fixed length are to be output, for example on a LCD display. Thus,... |
Monday, 7 June 2010 - 17:16 |
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a bizarre avr-gcc behaviour Even describe it is lengthy... I was hunting it down half the day. In a main() running some 2k lines (don't frown, it's sort of generated) with lots of local variables (neatly... |
Wednesday, 2 June 2010 - 18:15 |
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Change in VOL spec for ATMega8 I've noticed that there's a new ATMega8(L) datasheet, rev.X (let's count...). Okay, I said, they've marked it "Mature" or fixed some typo... let's see: ATMega8(L) datasheet rev.X... |
Wednesday, 2 June 2010 - 07:17 |
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Remarks on using avr-gcc on 128/256kB FLASH AVR devices The following text assumes fair familiarity with avr-gcc and its suite (including binutils - namely avr-as and avr-ld - and avr-libc). One of the key issues in using avr-gcc is... |
Saturday, 22 May 2010 - 14:36 |
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[request for comment] strlen_P() enhancement Proposed enhancement to strlen_P(): #define my_strlen_P(s) \ __builtin_choose_expr( \ __builtin_constant_p(__builtin_strlen(... |
Wednesday, 28 April 2010 - 09:26 |
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[RESOLVED] Anybody has avr-libc v1.6.0 sources handy? My current production WinAVR version is 20071221, which appears to contain avr-libc version 1.6.0 according to #define __AVR_LIBC_VERSION_STRING__ "1.6.0" The same version.h... |
Wednesday, 21 April 2010 - 15:23 |
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New atomic.h macros proposal Following discussion in this thread, I concocted a couple of new macros which might potentially provide more "security" for the atomic.h users than it is now. The first is based... |
Tuesday, 23 February 2010 - 12:55 |
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FPSLIC going obsolete? I've just noticed, that the FPSLIC (AVR+FPGA) are not in the "mainstream" product list of Atmel anymore. The "full" product list contains them under the "Mature Products"(right... |
Tuesday, 22 December 2009 - 12:15 |