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Global Variable Initialisation to Zero
Hello all, I woudl like to ask about Global Variable initialisation using avr-gcc (WinAVR 20090313). According to the FAQ, any global variables not explicly set should...
Tuesday, 18 August 2009 - 03:44
Alternatives to SJA1000 and MCP2515 CAN Controllers
Hello all, It seems that the two most common CAN controllers are the SJA1000 (Parallel Bus) the MCP2515 (SPI). Are there any alternatives to these parts? Once upon a time, there...
Monday, 17 August 2009 - 23:27
Simulators/Emulators: Current state of the art?
Hello all, What is the current state-of-the-art for AVR simulators? There is a list here: https://www.avrfreaks.net/index.p... but many of them seem to be either unmaintained, or...
Thursday, 6 August 2009 - 11:00
XMEGA: Initial Values in User Signature Row at compile time
Dear all, One of the new features of the XMEGA is a "User Signature Row" that is a dedicated page of flash for storing non-volatile and rarely changed information, such as serial...
Tuesday, 4 August 2009 - 04:01
CMake and AVR - any experience/thoughts?
Hello all, Has anyone played with using CMake instead of writing their own makefiles with avr-gcc? If so, what's your experience been with it? Apparently, there are some cross-...
Sunday, 14 June 2009 - 02:04
Implementing the XMEGA CRC Polynomial in software
Dear Freaks, I am looking to implement the XMEGA CRC in software to in order to verify that application code bootloaded to the device is correct. That is, I want to implement the...
Friday, 12 June 2009 - 01:42
Stripping back AVRDUDE
Hello all, In our application, we have a host processor running linux (ppc), and a couple of AVRs doing their own thing. I'd like to use avrdude for bootloading the AVRs for if (...
Thursday, 11 June 2009 - 07:55
XMEGA Self-Programming Flash Range CRC Calculation
Dear all, I am attempting to implement the "Flash Range CRC" Feature as described in the xmega reference manual (page p370) for the ATxmega128A1. Unfortunantly, the self-...
Monday, 1 June 2009 - 07:06
Post-Build Scripts using AVR Studio + GCC
Dear all, I am looking to run a post-build script on a hex file after it has been built. Specifically, I want to run a CRC program (to be written) over the hex file, and fill the...
Monday, 1 June 2009 - 04:16
New xmega Bootloader (App Note AVR1605) - Port to GCC
Recently, Atmel has (finally!) released a bootloader application note for the xmega (ATxmega128A1). However, the application note only includes a workspace for the IAR compiler. I...
Thursday, 28 May 2009 - 06:33
Use of "register" keyword in modern c compilers
Dear all, A long time ago, it was meant to be good practice to declare a frequently-used variable such as loop counter with the keyword "register". For example: register...
Monday, 11 May 2009 - 03:22
Unit Test / Regression Test framework for AVR (8-bit)
Dear all, On a host programming environment, I have used both the Boost Test Library (http://www.boost.org/doc/libs/1_...) and cppunit for C++ code, both for test-driven...
Thursday, 30 April 2009 - 06:22

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