false)))) {
die($err);
}
$db -> exec('SET CHARACTER SET utf8');
$q = $db -> prepare(
'select
distinct v.sensor_id,s.s_description,p.id as param_id,p.st_description
from
sensor_values v,st_parameters p,sensors s
where
v.timestamp>adddate(now(), -1)
and v.sensor_id=s.id
and s.st_id=p.st_id
and p.id>=0
order by s_description,st_description'
);
$q -> execute();
while ($row = $q -> fetch(PDO::FETCH_ASSOC)) {
echo '
';
echo '';
$ql = $db -> prepare(
'
SELECT unix_timestamp(timestamp) timestamp,DATE_FORMAT(timestamp,"%H:%i") printable,value
FROM
meteo.sensor_values
WHERE
sensor_id='.$row['sensor_id'].' and parameter_id='.$row['param_id'].' and timestamp>addtime(now(), -3600)
ORDER BY
timestamp desc
'
);
$ql -> execute();
$printable_ts = "?";
$value = "?";
if ($rowl = $ql -> fetch(PDO::FETCH_ASSOC)) {
$timestamp = $rowl['timestamp'];
$printable_ts = $rowl['printable'];
$value = $rowl['value'];
$units = get_unit($db,$row['param_id']);
$from_unit = $units['from'];
$to_unit = $units['to'];
$param_unit = $units['name'];
$val = convert_unit($db,$value,$from_unit,$to_unit);
}
echo '
'.$printable_ts.'
';
echo '
'.$val.' '.$param_unit.'
';
?>
";
}
?>