script tod raw

#!/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);

}

?>

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