It would help to see your code.
One thing, easy, that you could do is stay in setup() until the switch is pressed, using a while loop. When the switch is pressed, break out of the while loop, which will let setup() end and loop() to begin looping.
It would help to see your code.
One thing, easy, that you could do is stay in setup() until the switch is pressed, using a while loop. When the switch is pressed, break out of the while loop, which will let setup() end and loop() to begin looping.