script tod raw

src/php_top/raw.php

+#!/usr/local/sbin/php -q
+<?php
+/*!*******************************************************************************
+*! FILE NAME  : raw.php
+*! DESCRIPTION:
+*! Copyright (C) 2008 Elphel, Inc
+*! -----------------------------------------------------------------------------**
+*!
+*!  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/>.
+*! -----------------------------------------------------------------------------**
+*!  $Log: raw.php,v $
+*!  Revision 1.2  2010/02/01 20:21:46  dzhimiev
+*!  1. updated the code
+*!  2. added 'stop' option in order not to return the sensor in continuous mode and thus keep the raw frame in buffer
+*!  3. added setting 8/16 bits for BITS
+*!
+*!  Revision 1.1  2009/10/15 19:42:16  oneartplease
+*!  added raw demo files
+*!
+*!  Revision 1.2  2008/08/18 06:00:34  elphel
+*!  Made it acquire one image at a  time
+*!
+*!  Revision 1.1  2008/08/18 03:27:06  kimstig
+*!  Raw image access demo
+*!
+*!
+*/
+
+$sensor_port = 0;
+if ($_GET ['sensor_port'] != NULL) {
+	$sensor_port = $_GET ['sensor_port'];
+}
+
+function myval ($s) {
+	$s=trim($s,"\" ");
+	if (strtoupper(substr($s,0,2))=="0X")   return intval(hexdec($s));
+	else return intval($s);
+}
+
+$stop=false;
+$parsForRaw=array('SENSOR_RUN'=>1,'BITS'=>8);
+
+foreach($_GET as $key=>$value) switch ($key){
+	case 'stop':
+		$stop=true;
+	break;
+	default:  /// treat as camera native parameters
+		$parsForRaw[$key]=myval($value);
+}
+
+$name = "/dev/image_raw";
+
+$parsSaved=elphel_get_P_arr($sensor_port, $parsForRaw);
+$thisFrameNumber=elphel_get_frame($sensor_port);
+
+elphel_set_P_arr ($sensor_port, $parsForRaw, $thisFrameNumber);
+elphel_wait_frame_abs($sensor_port, $thisFrameNumber);
+
+$fp = fopen($name, 'rb');
+fseek($fp, 0, SEEK_END);  /// file pointer at the end of the file (to find the file size)
+$fsize = ftell($fp);      /// get file size
+fseek($fp, 0, SEEK_SET);  /// rewind to the start of the file
+/// send the headers
+header("Content-Type: application/octet-stream");
+header('Content-Disposition: attachment; '.'filename="image.raw"');
+header("Content-Length: ".$fsize."\n");
+header("Pragma: no-cache\n");
+fpassthru($fp);           /// send the raw data itself
+fclose($fp);
+
+if (!$stop) {
+	$parsSaved['SENSOR_RUN']=2;
+	elphel_set_P_arr ($sensor_port, $parsSaved, $thisFrameNumber);
+}
+
+?>
\ No newline at end of file