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<?php
$f = popen('/usr/bin/gpio read 27','r');
if ($f === false) {
print 'Cannot access gpio';
die();
}
$l = trim(fgets($f));
pclose($f);
print "<html>\n";
print "<head>\n";
print '<title>fileserver lights-out</title>' . "\n";
if (array_key_exists('push', $_GET))
print '<meta http-equiv="refresh" content="1;/">' . "\n";
print "</head>\n";
print "<body>\n";
print 'Fileserver is currently ';
if ($l == '1')
print '<font color="ff0000">off</font>';
else
print '<font color="00ff00">on</font>';
print "<br>\n";
if (array_key_exists('push', $_GET)
&& ($_GET['push'] > 0)
&& ($_GET['push'] < 300)) {
print 'pushing for ' . ($_GET['push'] * 0.1) . ' seconds ... <br>' . "\n";
shell_exec('/usr/bin/gpio write 28 1');
flush();
usleep(100000 * $_GET['push']);
shell_exec('/usr/bin/gpio write 28 0');
print '... done<br>' . "\n";
}
print '<a href="?push=1">short power button push</a>';
print "<br>\n";
print '<a href="?push=150">long power button push</a>';
print "<br>\n";
print "</body>\n";
print "</html>\n";
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