}
}
function errorhandler($errno, $errstr, $errfile, $errline)
{
throw new Exception(basename($errfile) . '[' . $errline . '] (errno:' . $errno . ') -- ' . $errstr);
}
set_error_handler('errorhandler');
$s = new phpSerial();
try {
if (!$s->confPort('/dev/ttyAMA0', 9600)) {
throw new Exception("confPort() failed");
}
if (!$s->deviceOpen()) {
throw new Exception("deviceOpen() failed");
}
if (!$s->confBlocking(false)) {
throw new Exception("confBlocking() failed");
}
} catch (Exception $e) {
print "exception: {$e}\n";
die;
}
$print_after_read = false;
$keystring = "";
do {
$r = array($s->getFilehandle());
$w = null;
$e = null;
$ready_count = stream_select($r, $w, $e, NULL);
if ($ready_count !== false && $ready_count > 0) {
$keylen = $s->readPort($keystring);
