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Can't view memory
I'm trying to catch a bug where the program restarts without reset (jump in the reset vector). I put a breakpoint at __init, but I don't seem to be able to view any memory except...
Thursday, 22 November 2018 - 11:22
Xmega256A3U "reset"?
Any ideas what could cause the chip to do a "reset" leaving all RST.STATUS bits zero? Could there be something in the ASF library that could cause a jump to reset vector without...
Wednesday, 21 November 2018 - 08:43
XMEGA interrupts
Is the interrupt sequence described somewhere in the documentation? I've tried to find it, but no luck. What I'd like to know is how the device remembers its state before...
Saturday, 10 November 2018 - 09:06
Register aliases??
In an AVR assembly tutorial http://www.avr-asm-tutorial.net/avr_en/beginner/REGISTER.html#Unterschied there was a list of notes about register usage: Quote:Recommendation for the...
Thursday, 22 August 2013 - 12:46
AVR tool problems
I have a weird problem: AVR Studio 6.1 doesn't seem to install in my 64-bit Win 7 machine. It complains that some installation is unfinished, but there is none. Even Ccleaner didn...
Monday, 19 August 2013 - 22:14
AVR-based multiprotocol OBD interfaces
Does anyone know any multiprotocol OBD2/EOBD interfaces based on AVRs? There should be CAN, PWM and K-line HW interfaces and either RS-232 or USB interface for computer connection?
Monday, 26 January 2009 - 09:37
Olimex CAN boards
Does anybody know the AVR CAN development board from Olimex? Does it have the loader, or do you need some additional development tools to load an application? Any other...
Thursday, 22 January 2009 - 06:16
DVK90CAN1 I/O and programming
Does this board have enough I/O capacity to be used as multiprotocol OBD II / EOBD interface? It has CAN-controller, but how about PWM/VPW and K-line? Does it have a pre-...
Saturday, 15 November 2008 - 12:59
Butterfly AREF
I have been trying to figure out the Vref for the voltage reading, but my results do not match the default application. What is the PF3 output voltage and its output impedance? Am...
Monday, 17 March 2008 - 08:12
Application starting and butterfly
Hi. Is there a simple way to get the application software started without touching the joystick? Maybe someone has a known-to-work bootloader that starts the application unless...
Tuesday, 22 May 2007 - 06:14
Butterfly boot and application starting
Hi. Now that I found the bugs in USART output (Butterfly + USART = odd behaviour) I bumped into something else: The double booting was due to PCINT1. Is this due to the boot code...
Wednesday, 2 May 2007 - 06:17
Butterfly + USART = odd behaviour
Has any of you bumped into this kind of behaviour: I wrote an USART driver and a simple main to test it. Input and echoing seems to work fine, but outputting several lines one...
Tuesday, 24 April 2007 - 06:33