Flip Flop

[mister_e]

Not sure to understand the whole thing... but if you just want to Toggle the state of a pin with a single button... i would suggest

IF PORTB.0 = 0
    TOGGLE PORTB.1 ' or PORTB.1=PORTB.1 ^1
    WHILE PORTB.0=0 : WEND ' wait 'till button is released
    PAUSE 50 ' debounce delay
    ENDIF

Still doable in a ISR...

[Melanie]

I'd put the debounce BEFORE the nested While:Wend as so...
[code]
IF PORTB.0 = 0
TOGGLE PORTB.1 ' or PORTB.1=PORTB.1 ^1
PAUSE 50 ' debounce delay
WHILE PORTB.0=0 : WEND ' wait 'till button is released
ENDIF
code

[Melanie]

I'd put the debounce BEFORE the nested While:Wend as so...

IF PORTB.0 = 0
    TOGGLE PORTB.1 ' or PORTB.1=PORTB.1 ^1
    PAUSE 50 ' debounce delay
    WHILE PORTB.0=0 : WEND ' wait 'till button is released
    ENDIF

Otherwise you're not debouncing the original Button-Press and risk running straight through the button-release code.

[mister_e]

yeah but noise on switches/push-buttons appear on both rising and falling edges???

But yeah, here it could be safer to debounce before, as the TOGGLE will execute pretty fast, and the code next to the IF might be long enough to act as Rising edge debouncing.. who know

I'm not a fan of reading push button directly in many cases... Timer interrupt do the whole thing in background and also do the debouncing... why doing simple when you can do it 'complicated'