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Adventures in device monitoring/controlling over network
I have one of my devices (LUFA based CDC-ACM) connected to a laptop in building A. That laptop is connected to our site's network and can access my home directory. In building B I...
Mon. Apr 15, 2013 - 01:18 PM
Atmel Studio 6.1 2440 beta installer error
I tried to install Atmel Studio 6.1 2440 beta, which crashed with the following error message: "An error (-5001 : 0x80070002) has occured while running the setup. Please make sure...
Tue. Mar 26, 2013 - 06:42 PM
Simulating ATtiny10: I flag cleared for no reason
I'm trying to simulate code for an ATtiny10 that just configures INT0 and provides an ISR. The purpose is to stretch an I2C clock: .include #define SDA PB1 #define SCL PB2 ....
Sun. Mar 24, 2013 - 10:11 AM
Mounting a heat sink to a sharp s202 s02
This is the first time I'll use a solid state relay. I'd like to use a Sharp S202 S02 (600V, 8A, with zero-cross circuit) because it's easy to get and relatively cheap compared to...
Fri. Feb 8, 2013 - 10:46 AM
[TUT][ASM] Accessing C Structs in Assembler
I needed to access C structures in assembler code. There was not much to find on avrfreaks - I've found http://www.avrfreaks.net/index.php?name=PNphpBB2&file=viewtopic&t=...
Thu. Aug 18, 2011 - 10:07 PM
[TUT][ASM] Conditional Branches and Loops
This tutorial covers conditional branches and loops - everything you need to construct the famous if()s, for(;;)-loops and while()-loops you might know from programming languages...
Sun. Aug 14, 2011 - 02:44 PM
[TUT][ASM] Jumps, Calls and the Stack
Hi folks, here is a new tutorial about jumping around, calling subroutines and returning from them. It also contains information about the stack and how it can be used. Hope you...
Sun. Aug 14, 2011 - 02:40 PM
[TUT] [ASM] A short introduction to AVR assembler
Hi folks, it has been years since I updated www.avrbeginners.net and the only relevant example there seems to be the ADC one. While this is no problem for me, I'm absolutely not...
Fri. Jul 8, 2011 - 07:17 PM
.init code overwrites .data
Hi all, I want to check the existence of an external EEPROM with code I have placed in .init8. I use a local variable for the EEPROM address, because my TWI driver needs a pointer...
Thu. May 6, 2010 - 01:10 PM
did gcc re-order my structure?
Hi, I'm having serious problems accessing the members of a structure only by "guessing" their offsets from the structure's base address. In my headers I have typedefed the...
Thu. Apr 22, 2010 - 03:11 PM
Monitoring the voltages of a 10-cell LiPo battery
Hi freaks, I've been asked to come up with a device that can read all 10 cell voltages from a LiPo battery and makes the measurements available via SPI or CAN. Quantity is one or...
Tue. Sep 22, 2009 - 09:18 AM
microSDHC initialization: CMD58 response doesn't make sense
Hi all, another Sd card thread. I bought a microSDHC card (SanDisk, Class 2, 4GB) and I'm trying to initialize it with an ATmega168 running at 10 MHz on an STK500. The card is...
Mon. Mar 9, 2009 - 09:40 PM

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