a script for triggering and downloading images to host pc

save_image_ext.php

+#!/usr/bin/env php
+<?php
+
+/**
+ * @file save_image_ext.php
+ * @brief run from host pc, trigger and download images (from all ports) to the host pc.
+ * @copyright Copyright (C) 2017 Elphel Inc.
+ * @author Elphel Inc. <support-list@support.elphel.com>
+ *
+ * @par <b>License</b>:
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+if (isset($argv[1])) $_GET['ip'] = $argv[1];
+if (isset($_GET['ip'])) $ip = $_GET['ip'];
+
+$path = "images";
+
+$port0 = 2323;
+
+if (!is_dir($path)) {
+    $old = umask(0);
+    mkdir($path,0777);
+    umask($old);
+}
+
+$oldp = simplexml_load_file("http://$ip/parsedit.php?immediate&TRIG_PERIOD");
+$period = $oldp->TRIG_PERIOD;
+
+$error = false;
+
+if ($fp = simplexml_load_file("http://$ip:2323/trig/pointers")) {
+
+    //elphel_set_P_value(2,ELPHEL_TRIG_PERIOD,0,ELPHEL_CONST_FRAME_IMMED);
+    //usleep(200000);
+    //elphel_set_P_value(2,ELPHEL_TRIG_PERIOD,1,ELPHEL_CONST_FRAME_IMMED);
+    usleep(200000);
+    //$system_status = system("./images.sh $ip $n $path");
+    for($i=0;$i<4;$i++){
+        $port = $port0+$i;
+        exec("wget $ip:$port/img -O $path/{$ip}_{$port}.jp4 -o $path/{$ip}_{$port}.log");
+        rename_image($path,"{$ip}_{$port}.jp4");
+    }
+    //why fopen?
+    //$add_str = "http://{$master['ip']}/camogm_interface.php?cmd=set_parameter&pname=TRIG_PERIOD&pvalue=";
+    $addr_str = "http://$ip/parsedit.php?immediate&TRIG_PERIOD=";
+    $fp = fopen($addr_str.($period+1)."*-2&sensor_port=0", 'r');
+    $fp = fopen($addr_str.($period)."*-2&sensor_port=0", 'r');
+}else{
+    $error = true;
+}
+
+$res_xml = "<Document>\n";
+if ($error){
+  $res_xml .= "\t<result>error</result>\n";
+}else{
+  $res_xml .= "\t<result>ok</result>\n";
+}
+$res_xml .= "</Document>";
+
+header("Content-Type: text/xml");
+header("Content-Length: ".strlen($res_xml)."\n");
+header("Pragma: no-cache\n");
+printf("%s", $res_xml);
+flush();
+
+function rename_image($path,$file){
+	//read exif & rename
+	$ext = pathinfo("$path/$file", PATHINFO_EXTENSION);
+	$exif_data = @exif_read_data("$path/$file");
+	//converting GMT a local time GMT+7
+	$DateTimeOriginal_local=@strtotime($exif_data['DateTimeOriginal']);/*-25200;*/
+	
+        $tmp = explode("_",$exif_data['Model']);
+        
+        if (count($tmp)==2){
+          $model = intval(trim($tmp[1]));
+          $chn = intval($exif_data['PageNumber'])+1;
+          if        ($model==1001) {
+            $k=$chn;
+          }else  if ($model==1002) {
+            $k=$chn+4;
+          }else  if ($model==1003) {
+            $k=$chn+6;
+          }else{
+            $k=$chn;
+          }
+          $new_file_name = $DateTimeOriginal_local."_".$exif_data['SubSecTimeOriginal']."_$k.".$ext;
+          rename("$path/$file","$path/$new_file_name");
+	}
+}
+
+?>
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