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processing time for trig functions
Lets say my ATmega was hypothetically running at 10MHz. How would I calculate how much time it takes to process a trig function? For example: arctan(30) sin(80) etc. Both with and...
Saturday, 17 January 2009 - 07:37
watch dog timer won't disable in AVR Studio
Using an ATmega640. It worked fine. Enabled WDT using latest version of AVR Studio b623 using Fuses tab. My ATmega640 would then reset crazy fast. As expected. Now I go back to...
Sunday, 11 January 2009 - 15:23
AVR FLIP bootloader support for non-USB AVRs?
I recently discovered Atmel's bootloading software FLIP for their USB AVR line: http://www.atmel.com/dyn/product... It'd be really nice if the software supported all AVR's with...
Sunday, 9 November 2008 - 09:04
uart interrrupt
I want to set up my AVR to run a program, but if something is ever detected on the UART, it would stop running the program and instead receive data from the UART. How do I set up...
Saturday, 2 August 2008 - 21:43
PWM library for 640 or 2560?
AVRlib only has PWM for the ATmega8 and ATmega128, but I need something easy for my ATmega640. I'm currently using timerx8.c, but it doesn't give me full access to all PWM ports...
Thursday, 31 July 2008 - 04:09
.hex file size = avr flash memory usage?
Im not entirely sure how to determine how much flash memory my program uses. Is it simply the size of the .hex file?
Tuesday, 13 May 2008 - 17:37
internal pull-up resistor needed for button?
Here is the deal, for manufacturing issues I'd like to get rid of a resistor in my design. Currently its an external pull-up resistor with a button - the digital input pin on my...
Monday, 12 May 2008 - 17:58
IrDA in software
I want to convert an IrDA standard input signal to something my ATmega2560 can understand by using only software. Anyone have any source code for this (using any ATmega is fine)?
Monday, 12 May 2008 - 17:01
Xmega and AVRlib
I recently discovered the new Xmega's and decided I'll be using one on my next big project (in about 4+ months). My main concern is I'd really like library support for it . . . so...
Friday, 25 April 2008 - 21:34
software pull-up resistor on reset pin possible?
I forgot to put a pull-up resistor on my ATmega2560 and for design reasons it will cause me a lot of trouble to solder one on between power and reset. Is there a pull up resistor...
Monday, 14 April 2008 - 23:10
got CMUcam source code?
I'm looking to speed the integration of a CMUcam into an AVR of mine. I am using AVRlib UART functions . . . was hoping someone had source code they'd be willing to share. All I...
Saturday, 23 February 2008 - 23:54
a2d.h AVRlib for ATmega2560 problem
I am trying to use the AVRlib a2d.h file for my ATmega2560. I've used it with no problem on my ATmega8, ATmega168, and ATmega644 . . . but its not working for my 2560. My sensor...
Monday, 31 December 2007 - 18:27