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Wrong AT90USB1287 stack pointer init
Apologies in advance if this is old news; I just can't seem to drive the forum search features well enough to trust a negative finding. I haven't checked other AVR simulations,...
Friday, 6 March 2009 - 19:51
AT90USBKey demo boards: Why are port sockets solder-filled?
On again and off again, a friend and I present an introductory microcontrollers class for highschool kids. The students build a class project circuit board whose main feature is...
Wednesday, 29 October 2008 - 22:44
[CODE][GCC] A better style for initializers
I'd like to suggest some stylistic improvements for the way in which "initializing" operations get done. They may not seem like such a big deal at first, but if you think about...
Sunday, 10 August 2008 - 06:33
Annoying warning for PROGMEM arrays in C++ code
Hi! I've begun using the WinAVR2008 release, and noticed with gratitude that the setjmp/longjmp library code is no longer incorrect. One other problem that I had with the 2007...
Thursday, 3 July 2008 - 10:18
Problem with breakpoints in AStudio simulator
On a whim, I've thrown a very crude and tiny roundrobin "OS" together, and posted a set of files demonstrating its use in the general AVR forum: https://www.avrfreaks.net/index....
Sunday, 29 June 2008 - 22:32
I want to use subsections in GCC
I've been able to make some small use of the __attribute__ ((section("name"))) decoration on a function's declaration, so long as I used one of the section names automagically...
Sunday, 29 June 2008 - 01:17
What's correct startup/shutdown sequence for JTAGICEmkII?
I'm getting to the stage in my current project where I expect that in-circuit emulation will be very useful, so I'm beginning to putter with a recently purchased "JTAGICE mkII"...
Thursday, 29 May 2008 - 09:19
pointer sought to myUSB
Is there a mirror website for Dean's myUSB driver code? I've been trying to connect with the fourwalledcubicle.com site for the past several days, and getting a "Server not found...
Monday, 12 May 2008 - 02:43
What's bad about interrupt-driven USB Control endpoints?
Hi! I'm trying to adapt Atmel's "at90usbdemo-template" code to suit a couple specialty test fixtures I'm helping develop. Under the goad of having to actually produce something,...
Monday, 28 April 2008 - 02:46
Can "only inititialized vars in pgm space" warning
I'm updating some old AVR C code that's been building with gcc ver 3.4.3, trying to get it to compile cleanly with ver 4.2.2. Everything goes well except that several places where...
Tuesday, 1 April 2008 - 19:28
avr-gcc's zero register convention
The avr-gcc compiler devote a machine register to always containing the value zero; often a very handy thing. But I'd be very interested to hear why R1 was chosen, given that it'...
Thursday, 13 March 2008 - 02:04
AVR Studio does not correctly simulate EIFR register
I'm using AStudio to develop code for an AT90USBKEY demo board (AT90USB1287 target chip), and have noticed a problem which I can't find mentioned in this forum or in the "Known...
Saturday, 1 March 2008 - 00:58

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