1 // Copyright (c) 2014 Adafruit Industries

     2 // Author: Tony DiCola

     3 

     4 // Permission is hereby granted, free of charge, to any person obtaining a copy

     5 // of this software and associated documentation files (the "Software"), to deal

     6 // in the Software without restriction, including without limitation the rights

     7 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

     8 // copies of the Software, and to permit persons to whom the Software is

     9 // furnished to do so, subject to the following conditions:

    10 

    11 // The above copyright notice and this permission notice shall be included in all

    12 // copies or substantial portions of the Software.

    13 

    14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

    15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

    16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

    17 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

    18 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

    19 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

    20 // SOFTWARE.

    21 #ifndef PI_2_DHT_READ_H

    22 #define PI_2_DHT_READ_H

    23 

    24 #include "../common_dht_read.h"

    25 

    26 // Read DHT sensor connected to GPIO pin (using BCM numbering).  Humidity and temperature will be 

    27 // returned in the provided parameters. If a successfull reading could be made a value of 0 

    28 // (DHT_SUCCESS) will be returned.  If there was an error reading the sensor a negative value will

    29 // be returned.  Some errors can be ignored and retried, specifically DHT_ERROR_TIMEOUT or DHT_ERROR_CHECKSUM.

    30 int pi_2_dht_read(int sensor, int pin, float* humidity, float* temperature);

    31 

    32 #endif