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Discussion Title Created date
ATxmega64A4 Availability
Hi all, We're considering using the ATxmega64A4 in a design. We've approached our local distributor who has advised a lead time of 26 weeks, and samples are difficult to get a...
Saturday, 22 May 2010 - 06:00
[TUT] [THEORY] GPS/INS Integration
Hi All, I didn't write it, but I have come across quite a good GPS/INS integration video tutorial for those that want the nuts and bolts of how it's done. You'll need some maths...
Tuesday, 20 April 2010 - 02:57
C and C++ - not a war
I've been inspired by the following thread: https://www.avrfreaks.net/index.p... Likewise, I'm not interested in "C++ has code bloat than C" arguments any more than "C has more...
Tuesday, 30 March 2010 - 11:28
Efficient Implementation of Multi-Slave TWI
Dear all, I am coding a device that responds on multiple slave TWI addresses. I'd like to do it in a way that is fast, yet still portable from one project to another....
Monday, 29 March 2010 - 07:31
[TUT] [HARD] Gyros and Accelerometers: The Basics
Gyros and Accelerometers: The Basics 1. Introduction Once upon a time, gyros and accelerometers where mythical devices that started at the cost of a small car and ranged to the...
Wednesday, 3 February 2010 - 06:36
ELF "Production File Format" generation
Hi All, Now that we've got a nice build server happening largely thanks to Bingo's .deb file, we still have one manual process we want to automate: combining two hex files, fuses...
Wednesday, 13 January 2010 - 13:08
ATxmega32A4:Crystal Oscillator : Trial and Error
Hello all, Over the last couple of days, we have been attemping to use the crystal oscillator on the ATxmega32A4. In short, we have gotten one combination of crystals and caps to...
Wednesday, 18 November 2009 - 07:53
Problem building avr-gcc on Ubuntu 9.10 using Bingo's Script
Hello all, Today I attempted to build the agv-gcc toolchain for Ubuntu 9.10 (Karmic) - file is build-avr-gcc-4.3.3-libc-1.6.7-insight6.8-arch25-fix.zip from thread https://www....
Sunday, 1 November 2009 - 02:53
Compile-time look-up table
Hello All, I would like to create a compile time lookup table. In short, I have a scenario that looks like: packet->commandByte = AddParityByte(COMMAND_FLAG1 | COMMAND_FLAG2...
Saturday, 31 October 2009 - 02:56
1-Wire Master with other simultaneous tasks
Hello all, I'm just trying to solicit some opinions for the early stages of a potential project. We have some batteries (legacy requirement, so we can't change that) that...
Monday, 19 October 2009 - 12:01
[TUT] [THEORY] What is a Kalman Filter?
(1) Why am I bothering to write this? Every now and again, somebody poses a problem on the forums with a reply like "Just use a Kalman Filter!" Problem is, few people understand...
Wednesday, 7 October 2009 - 00:33
Hand optimisation of Byte Array Serialisation Code
Dear all, I am currently attempting to optimise (for flash space) some byte array serialisation code. That is, take a float/unsigned int/whatever and put it into a byte array for...
Monday, 24 August 2009 - 09:14

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