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Trouble reading input port
I'm trying to read an active low sensor on port B, pin 6 of an ATMega2561. Pins 5 and 7 are set to output, and 0 and 1, respectively. So I figured I should just sit in a loop...
Friday, 19 June 2009 - 18:08
How to stop a DC motor quickly
I have an application involving a small DC gear motor rotating slowly (~ 5 RPM). I'm using it kind of like a stepper in that it rotates until a sensor detects the right position...
Thursday, 18 June 2009 - 05:57
How to view include files in AVR Studio
AVR Studio (I'm using 4.16) has three folders under the project list on the left of the screen: Object, Source, and Include. The .cof file shows up under the Object folder, my...
Friday, 5 June 2009 - 06:17
Trouble with input capture
(moved from AVR Studio Forum) I'm using a Mega2561 running at 16 MHz to measure the period of a square wave with a period of ~290 us (~3.4 kHz). I'm using input capture on timer1...
Thursday, 4 June 2009 - 18:01
Trouble with input capture
I'm using a Mega2561 running at 16 MHz to measure the period of a square wave with a period of ~290 us (~3.4 kHz). I'm using input capture on timer1, with the timer running with...
Thursday, 4 June 2009 - 04:58
Debugwire parts
Is there a list somewhere of all the megas that support debugwire? Thanks.
Monday, 1 June 2009 - 18:51
Using an input capture unit for measuring frequency on ICP
Are there any discussions or tutorials on doing this? The datasheet (ATMega2561) is a little vague and I thought I'd check here before embarking on my usual approach of pseudo-...
Thursday, 28 May 2009 - 04:36
Breaking on stopwatch, flags
Is it possible to break on a particular stopwatch value? How about the change of a flag (TOV0, e.g.)?
Friday, 8 May 2009 - 06:50
ICCAVR error [solved]
!ERROR file 'crtatmega.o': undefined symbol '_main' Just got this during a compile (after a long time away from ICCAVR). Anybody ever get this? What's it mean, and how do I make...
Friday, 8 May 2009 - 05:18
Does Atmel's JTAG ICE Mk II support ATMega2561?
I'd assume it would, but their brochure (http://tinyurl.com/dfzcja) says only 2560, even though it also says 1280 AND 1281. Thanks.
Friday, 1 May 2009 - 23:00
Trouble measuring current with DMM
I feel like a total noob over this but I can't figure out my problem. I can measure DC current with an old DMM, but when I try to with a newer handheld and desktop (Fluke 45) I...
Wednesday, 29 April 2009 - 06:02
Puzzling AVRISP Mk II behavior
I recently bought an AVRISP Mk II to replace my "Classic" serial interface AVRISP. Both AVRISPs work fine driven by my desktop and connected to one of my own projects as the...
Tuesday, 29 July 2008 - 03:04