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#!/usr/bin/perl
use strict;
use warnings;
use Time::HiRes ();
use HiPi::Interface::MicroDotPHAT;
my $phat = HiPi::Interface::MicroDotPHAT->new();
print q(Sine Wave
Displays a sine wave across your pHAT.
Press Ctrl+C to exit.
);
my $x = 0;
while (1) {
$phat->clear();
my $t = Time::HiRes::time() * 10;
for ( my $x = 0; $x < $phat->width; $x ++) {
my $y = int((sin($t + ($x/2.5)) + 1) * 3.5);
$phat->set_pixel($x, $y, 1);
}
$phat->show();
$phat->sleep_milliseconds( 50 );
}
1;
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