add initial project files.

sbin/update.php

@@ -0,0 +1,22 @@
+<?php
+
+define('APPDIR', dirname(__DIR__));
+
+require_once APPDIR.'/vendor/autoload.php';
+
+$config = json_decode(file_get_contents(APPDIR.'/etc/config.json'), true);
+
+$digitemp = new \Orrisroot\DigiTemp($config['digitemp'], APPDIR.'/'.$config['digitemp_config']);
+$rrdtemp = new \Orrisroot\Rrd\Temperature(APPDIR.'/'.$config['database_dir']);
+$num = $digitemp->getNumSensors();
+for ($i = 0; $i < $num; ++$i) {
+    $id = $digitemp->getSensorId($i);
+    $value = $digitemp->readSensor($i);
+    $rrdtemp->addSensor($id);
+    $now = time();
+    $rrdtemp->update($id, $now, $value);
+}
+foreach ($types = ['hour', 'day', 'week', 'month', 'year', '3year'] as $type) {
+    $fpath = APPDIR.'/'.$config['images_dir'].'/graph-'.$type.'.png';
+    $rrdtemp->outputGraph($type, $fpath);
+}