3 * Driver for the MaxDetect series sensors
5 * Copyright (c) 2012-2013 Gordon Henderson. <projects@drogon.net>
6 ***********************************************************************
7 * This file is part of wiringPi:
8 * https://projects.drogon.net/raspberry-pi/wiringpi/
10 * wiringPi is free software: you can redistribute it and/or modify
11 * it under the terms of the GNU Lesser General Public License as published by
12 * the Free Software Foundation, either version 3 of the License, or
13 * (at your option) any later version.
15 * wiringPi is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public License
21 * along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
22 ***********************************************************************
28 #include <maxdetect.h>
33 ***********************************************************************
35 ***********************************************************************
43 temp = rh = newTemp = newRh = 0 ;
52 if (!readRHT03 (RHT03_PIN, &newTemp, &newRh))
55 if ((temp != newTemp) || (rh != newRh))
59 if ((temp & 0x8000) != 0) // Negative
64 printf ("Temp: %5.1f, RH: %5.1f%%\n", temp / 10.0, rh / 10.0) ;