function xap_sendQueryMsg($msg, $target = '', $source = '', $uid = '')
{
xap_sendMsg("xAPBSC.query", $msg, $target, $source, $uid);
}
function send_data()
{
global $debug, $minmax;
$s = enumerate_w1_sensors();
if (is_array($s)) {
foreach ($s as $k => $v) {
//$k=xap_id $v=sensor metadata
if ($v['AVAILABLE'] == 'YES') {
if ($v['TYPE'] == 28) {
//1 wire temperature sensor
$id = $v['TYPE'] . '-' . $v['SENSOR_ID'];
logformat(sprintf("Reading 1 wire temperature sensor with ID: '%s' and NAME: '%s'.\n", $id, $v['NAME']));
$cmd = 'cat ' . SENSORPATH . '/' . $id . '/w1_slave';
$r = explode("\n", `{$cmd}`);
if (substr($r[0], -3) == 'YES') {
$t = explode("=", $r[1]);
$temp = sprintf("%.03f", $t[1] / 1000);
$dt = date('YmdHis');
// deal with min and max values and save them
if (!isset($minmax[$id])) {
$minmax[$id] = array('min' => $temp, 'mintime' => $dt, 'max' => $temp, 'maxtime' => $dt);
}
if ($temp < $minmax[$id]['min']) {
$minmax[$id]['min'] = $temp;
$minmax[$id]['mintime'] = $dt;
}
if ($temp > $minmax[$id]['max']) {
$minmax[$id]['max'] = $temp;
$minmax[$id]['maxtime'] = $dt;
}
logformat(sprintf("Id=%s,Name=%s,Data=%s°C\n", $id, $v['NAME'], $temp));
$msg = sprintf("info.temperature\n{\nname=%s\ndatetime=%s\nunit=c\nvalue=%s\nsensorId=%s\n}\n", XAPSOURCE . '.' . $v['NAME'], $dt, $temp, $id);
$msg .= sprintf("stats.temperature\n{\nmax=%s\nmaxtime=%s\nmin=%s\nmintime=%s\n}\n", $minmax[$id]['max'], $minmax[$id]['maxtime'], $minmax[$id]['min'], $minmax[$id]['mintime']);
xap_sendMsg('xAPTSC.info', $msg, '', xap_make_endpoint_source(XAPSOURCE, $k), xap_make_endpoint_uid(XAPUID, $k));
}
}
} else {
logformat(sprintf("Skipping 1 wire sensor with ID: '%s-%s' and NAME: '%s'.\n", $v['TYPE'], $v['SENSOR_ID'], $v['NAME']));
}
}
}
return 1;
}
