ATtiny85 relay control

[unknown5591]

So when

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if (digitalRead(buttonPin)==LOW)

meaning the button is pressed it starts the timer of

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volatile uint32_t pressStart

If its held for longer then 500ms it should start the switch statement. Else the ATtiny remains asleep.

I'm not sure how they get cleared independently of any debounce timing. I am pretty code illiterate I'm trying to make as much sense of this as I can.

I am unsure what you suggest I do.

Thanks for all your help so far.

[adafruit_support_bill]

It looks like you are trying to do multiple possibly conflicting things based on the button up and down times.

Please define exactly what behavior you are trying to implement.

[unknown5591]

Ok

After running through the setup sequence the AT goes to sleep.

A prolonged button press wakes the AT. When awake the relay turns on by a flip in polarity of the coil pins.

While awake additional button presses will toggle the relay between two states (steady and flashing).

Only a prolonged press will put the AT back to sleep and reverse the poles of the relay.

[adafruit_support_bill]

So put that all the button timing in your ISR logic, and eliminate all the time-related stuff in your loop;

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ISR(PCINT0_vect) 
{
	if(digitalRead(buttonPin) == LOW) // low will indicate the button press
	{   
		pressStart = millis();              // start/enable a 'soft' timer
	}
	else 
	{
		if (millis() - pressStart > 500)  // button has been down for > 500ms
		{
			onOff = !onOff; // toggle on/off state
		}
		else
		{
			buttonPushCounter++;  // increment the button press
		}
	}
} //end of ISR

[unknown5591]

That did it!!!!!

Works like a dream!

[unknown5591]

THANK YOU SO MUCH!

[adafruit_support_bill]

Good to hear it is working. Thanks for the follow-up.