Mon, 05 Oct 2015 15:21:46 +0200
Make sure that a DS2413 device used as input has the output latch turned off.
<?php /***************************************************************************** * Copyright (C) 2014 * * Michiel Broek <mbroek at mbse dot eu> * * This file is part of ThermFerm * * This 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 2, or (at your option) any * later version. * * ThermFerm 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 ThermFerm; see the file COPYING. If not, write to the Free * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *****************************************************************************/ require_once('utilities.php'); $answer = send_cmd('GLOBAL GET'); $arr = explode("\r\n", $answer); $temp_value = "NA"; $temp_state = "NA"; $hum_value = "NA"; $hum_state = "NA"; if (startsWith($arr[0], "213")) { $j = 1; while (1) { if (strcmp($arr[$j], ".") == 0) break; $f = explode(",", $arr[$j]); if ($f[0] == "TEMP_STATE") $temp_state = $f[1]; if (($f[0] == "TEMP_VALUE") && ($temp_state == "OK")) $temp_value = $f[1].' °C'; if ($f[0] == "HUM_STATE") $hum_state = $f[1]; if (($f[0] == "HUM_VALUE") && ($hum_state == "OK")) $hum_value = $f[1].' %'; $j++; } } $reply = array ( 'temperature' => $temp_value, 'humidity' => $hum_value ); echo json_encode($reply); ?>