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electrical characteristics of debugwire?
Hi - a while ago I designed a board that has an MCP2515 and a ATMEGA168 connected together. In order to save board space, I connected the reset' lines and put a grounded cap and...
Saturday, 28 April 2007 - 22:47
Looking for suggestions in interrupt/timing problem
Hi there - I've run into a bit of a situation. I am working on a 6 legged robot. Each leg has 3 servo motors (hobby servo motors designed for RC planes and whatnot). Each leg has...
Thursday, 26 April 2007 - 17:45
debugging with winAVR?
Hi - is there any way with WinAVR to debug over debugwire without using AVR Studio? My current setup is to do all my programming in PN, then do a make all in PN, then switch over...
Sunday, 22 April 2007 - 22:35
Dynamic memory management in AVR GCC
Hi there - Can anybody tell me if there's anything I need to be worried about with using dynamic memory allocation and deallocation in AVR GCC? Does it work just like on any other...
Tuesday, 20 March 2007 - 04:27
JTAG MKII v. Dragon
Hi there - I've been a AVR-ISP user for a long time now (the original MKI - none of this USB fancyness). I ended up getting in on the free Dragon giveaway though and then one day...
Sunday, 4 March 2007 - 04:28
How to use Dragon with programmers notepad/mfile/avrdude?
Hi - right now I code with Programmer's Notepad, do a make all from within PN, and then switch to AVR Studio and program my AVR with an AVR Dragon with ISP. Ideally I'd like to be...
Saturday, 3 March 2007 - 23:55
cannot access SD/transflash card - illegal command error
Hi - I'm trying to access a transflash card, but am having limited luck. I am essentially following the instructions here: http://elm-chan.org/docs/mmc/mmc... Anyways, when I send...
Saturday, 20 January 2007 - 06:08
Creating a bootloader
Hi - I have a 6 legged robot that has an ATMEGA168 on each leg. They talk to each other using MCP2515 CAN controller chips. They are also connected to a central ARM chip (an...
Friday, 5 January 2007 - 05:34
Anybody familiar with SD/MMC/transflash memory cards?
Hi - I just wrote a whole pile of code to read to and write from SD/MMC/transflash memory cards. I'm using SPI, naturally. One thing that I'm not entirely sure about regarding...
Friday, 29 December 2006 - 07:48
ATtiny861 - availability and the new ADC
Hi - The ATtiny861 looks like a very good candidate for a new board I hope to be sending out soon. Does anybody know anything about availability of these chips? Also - the ADC on...
Sunday, 19 November 2006 - 01:41
Better to use a char or an int as array index?
Hi - I often use variables as array indexes like foo[bar]. My question is this: Is it better for bar to be an unsigned char or an unsigned int? (or something else?). Better...
Tuesday, 17 October 2006 - 20:16
how to set up ATMEGA168 so that it is debugwire capable?
Hi - I was wondering, is there a generally accepted way of setting up an AVR's reset pin so that it can be used for debugwire as well as SPI programming? I've been using a 10K...
Wednesday, 11 October 2006 - 15:53

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