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## Copyright (C) 2018 John Donoghue <john.donoghue@ieee.org>
##
## This program is free software: you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program. If not, see
## <https://www.gnu.org/licenses/>.
% blink the LED on D13
pkg load instrument-control
a = arduino();
leds = getLEDTerminals(a);
led = getPinsFromTerminals(a, leds{1});
unwind_protect
printf("starting to blink...\n");
while (true)
writeDigitalPin(a, led, 0);
pause(0.5);
writeDigitalPin(a, led, 1);
pause(0.5);
endwhile
unwind_protect_cleanup
clear a
end_unwind_protect
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