Cameron/pico-examples
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graham sanderson
2021-01-20 10:49:34 -06:00
commit 46078742c7
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pio/squarewave/squarewave.pio Normal file
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;
; Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
;
; SPDX-License-Identifier: BSD-3-Clause
;
.program squarewave
set pindirs, 1 ; Set pin to output
again:
set pins, 1 [1] ; Drive pin high and then delay for one cycle
set pins, 0 ; Drive pin low
jmp again ; Set PC to label `again`