I have corrected your logic:

On 3 July 2013 06:25, Electronic Consultation <
electronic.consultation.au@gmail.com> wrote:

> I want to have a second interrupt, it's allright if it's not exactly 1 s
>
> Init
> while forever:
>     State 1
>      led on
>  // -- replace this:    counter to 100 ( tick from background on timer)

        check if counter is equal or greater than 100
            if yes clear counter and switch to State 2

>

// -- replace this:    return
>
        continue to the beginning of the while loop


>     State 2
>      led off
> // -- replace this:      counter to 100 ( tick from background on timer)
>
        check if counter is equal or greater than 100
            if yes clear counter and switch to State 1


> // -- replace this:      goto state1
>
     continue to the beginning of the while loop


> // -- remove this as you have an infinite loop:    return
>


In the meanwhile, in your free running Interrupt Handler:

     if counter is less than 255
         then increment counter

Tamas
--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.