Hi there,
I am doing a project using mini2440.In this project i need to
measure the width of the pulse from another system.I need this action to be
INTERRUPT DRIVEN,i.e. whenever there is a transition from low to high an
interrupt has to be invoked.Unfortunately i didn't get how to make it
happen i.e how to setup interrupt and corresponding ISR(interrupt service
routine).
Can anyone help me with this :)
Thanks in advance,
Haven't done this on the ARM board, but in the 8bit world you use <input capture> on a timer or on some uPs have <pin change interrupt>, i.e the ATmega88. I would look closely at the timer module in the datasheet. Had a quick look through the <PWM timer> section and I don't see much that is familiar. Seems to be heavily focussed on PWM usage, funny that! Thought <input capture> was a common method. Searched the datasheet for that term and it found nothing. Good luck!
Hi Dave Festing :)
Thanks for your suggestion.My project involves some
graphics,so i have to go for 32bit processors only.What i mentioned above
is part of my project.I haven't look at the PWM part in datasheet.Anyhow i
will search for this option as well.
Thanks again :)