squarewave_fast.pio

;
; Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
;
; SPDX-License-Identifier: BSD-3-Clause
;

; Note that if you modify squarewave.c to include this program, you'll also
; need to set the wrap registers yourself. This would be handled for you by
; squarewave_program_get_default_config().


.program squarewave_fast
; Like squarewave_wrap, but remove the delay cycles so we can run twice as fast.
    set pindirs, 1   ; Set pin to output
.wrap_target
	set pins, 1      ; Drive pin high
	set pins, 0      ; Drive pin low
.wrap