Type in the full discussion title or a part of it.
Discussion Title Created date
AT90USB1287 possible hardware bug
so I wanted to post this here to see if anyone else has seen this problem, it's very strange, and it appears to be a bug in the hardware of the AT90USB1287 timer0 / USB, I could...
Thursday, 19 April 2012 - 13:53
atmega32u4 boot_page_fill() problem
atmega32u4 datasheet says the chip has 128words and 128pages, 128 words is 256 bytes, but when I call boot_page_fill() it will only fill 128bytes, the other 128bytes are not...
Tuesday, 28 February 2012 - 19:55
DOA? [cant program 1280/1281 (not sure which)]
I just got in some ATMEGA1281's none of them will program with my AVRISP MKII I have two static safe work stations I work at, and I know all of these cannot be bad (5 of them). My...
Friday, 21 October 2011 - 03:01
AVR231 GCC Port
AVR231 GCC Port, https://www.avrfreaks.net/index.php?module=Freaks%20Files&func=viewFile&id=3330&showinfo=1 Anyone tried this on a larger ATMEGA and got this to work?...
Wednesday, 12 October 2011 - 06:23
The AVR Input Capture Timer Expansion Problem
---Foreword---: Atmel ATTINY and ATMEGA chips have 8 or 16 bit counters, which you can extent with software using the overflow interrupts and incrementing a global variable. Input...
Monday, 20 December 2010 - 20:42
Assembly code analyzer for clock ticks
I know people have written stack tools, but has has anyone written a tool that parses the ELF file or the LSS file and tells you (on a per function / per interrupt basis) the...
Monday, 20 December 2010 - 18:14
SREG & Atomic write
using optimize code -Os, can someone give me an example when it is necessary to do this.... uint8_t reg = SREG; cli(); //do atomic code SREG = reg; ...and when it is OK to do just...
Saturday, 18 December 2010 - 16:38
New WinAVR optimizing?
I recently upgraded to AVR Studio 4.18 SP3, and the newest version of WinAVR 20100110. (I was using AVR Studio 4.18 SP1 and a ver of WinAVR 20090313) I noticed right away that the...
Sunday, 12 December 2010 - 21:49
Atmel Version Scheme
So I am noticing Atmel is replacing some chips with different part numbers, and putting an "A" a the end. Example ATTiny24 is now ATTiny24A. I am unable however to find what...
Wednesday, 18 August 2010 - 23:43
32bit Bubble Sort
I am having trouble with a 32bit bubble sort, I let the sort run for a few hours, and eventually it fails to sort correctly, I do have some interrupts triggering, and I have used...
Monday, 9 August 2010 - 16:17
attiny24, 44, 84 code compatability
Atmel docs show the only difference between the ATTINY24, 44, 84, as being the Code size, and page addressing for flash write. So I assume the same code works across the board for...
Thursday, 1 July 2010 - 22:20
Port Pointers
Quick question, I have a library which uses PORTC for a bunch of functions, I was using... #define LIB_PORT PORTC to define what port to use, but now I want to be able to do the...
Sunday, 18 April 2010 - 18:50

Pages