Int_rb using RB3,RB2..

Userrr · Joined: 09 Jul 2004 Posts: 40 Location: Europe

How do you think is that must work? or not?

www.icd2.front.ru/switch.jpg

Guest · Posted: Sat Oct 16, 2004 9:18 pm

Mark · Joined: 07 Sep 2003 Posts: 2838 Location: Atlanta, GA

Well, any time switch 1 is closed both RB3 and RB4 will be tied to ground no matter what switch 2 is doing. Don't see the point in having switch 1 being a 2 pole switch. Of course you will need to turn on port B pullups.

Userrr · Joined: 09 Jul 2004 Posts: 40 Location: Europe

But how realize debounce between this stitch and how realize RB3.
I must
get interrupt for RB4,and for RB3:
How for SW1 get it?

#int_rb
void detect_rb_change() {
int current;
set_tris_b(0xFF); // all input
current=input_b(); //save old value

#if LOWTOHIGH

if ((!bit_test(last,4))&&(bit_test(current,4)))
{ } //SW2 push down

}