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Mutually Exclusive Opcodes
Ignoring the assembler's nice trick of giving you multiple assembly instructions for a single opcode, I've found two opcodes which are mutually exclusive. They are: STS (16 bit)...
Wednesday, 11 January 2012 - 05:27
Strange opcodes disassembling .hex (AVR8)
I've been toying with writing a custom simulator. Barring all comments regarding the number of simulators currently available, I've run into an issue I could use some assistance...
Tuesday, 10 January 2012 - 20:01
Another AVR TWI Problem (or Mistake)?
Okay, so the last issue was definitely my fault. This one may be too, but it's not exactly obvious to me where I'm going wrong. afaik, what I'm doing is legal. So I'm trying to...
Monday, 5 April 2010 - 02:38
A potential avr TWI bug?
This code is written in WinAVR/AVRGCC. It's short and could be easily ported to assembler so I'm posting it in the general forum. Anyways. I've got some multimaster/slave twi code...
Sunday, 4 April 2010 - 05:49
_delay_ms() across different AVRs
Hello. I'm trying to come up with some functional, fault-resistant I2C multimaster code (it's difficult to work out all the possibilities, though a timeout will go a long way...
Thursday, 18 March 2010 - 10:24
AVR GCC + Optimization + AVR Simulator = Fail.
I've been writing some code for some hardware I don't have in my possession at the moment. So I can't actually test the hardware at the moment. I've been writing a general purpose...
Friday, 26 February 2010 - 04:11
Simple (and imo) awesome debouncing 'library'
I've been trying to get some firmware off the ground lately, and for me anyways starting is always the hardest part.. Since what I'm working on will involve software-controlled...
Thursday, 11 February 2010 - 17:32
Electrical Properties of an AVR switched off....?
I'm working on a schematic for research at school.. I am being paid to do this, this is a learning experience for me and they realize this. It's quite the project for me, more...
Thursday, 17 September 2009 - 20:41
Please check out my project on youtube!
If you want to skip directly to the video: http://www.youtube.com/watch?v=Gdxg0K0t5nk It's my first PCB and one of the more interesting projects I've ever worked on. It's a...
Monday, 16 March 2009 - 19:17
Electronics stores in seattle?
Are there any good parts store in seattle? I'm moving there (accepted at the UW)
Monday, 19 November 2007 - 00:44
Misunderstanding PWM
Hi, I'm trying to control an RC servo with PWM... Previously I was using compare matches on the 16-bit Timer1 on my Atmega8 and software interrupts to generate the PWM.. Basically...
Thursday, 20 September 2007 - 19:00
Weirdest bug I've ever seen
I'm trying to generate UBRR in preprocessor... The preprocessor interpreter generates the correct result. However, placing those values into UBRRL and UBRRH output completely...
Monday, 17 September 2007 - 03:11