AVR-Chat

In a word... well... 3 letters... CTC
On Mon, 6 Mar 2006 23:14:48 -0500
"wbounce" <wbounce@safeplace.net> wrote:

> I need to measure how long a pulse is. I have a m128. The pulse goes +5V
> for 1ms to 36.9ms and then goes 0v for a fixed 65ms. I need to time how
> long the +5V part is in 10us increments. How would I do that? I will
> wire the sensor generating the pulse to a pin. I seem to remember
> something about a capture ability but I do not understand how it works
> or how to set it up. The fact that the pulse is assymetrical probably
> does not help.
>  
> I am already using timer0 fir a ms timer and timer3 (a and b) for pwm
> output. so I guess I would have to use timer1 or 2.
>