pressuresensor.h

00001 /* Copyright (c) 2017 Philippe Kalaf, MIT License
00002  *
00003  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
00004  * and associated documentation files (the "Software"), to deal in the Software without restriction, 
00005  * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
00006  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 
00007  * furnished to do so, subject to the following conditions:
00008  *
00009  * The above copyright notice and this permission notice shall be included in all copies or 
00010  * substantial portions of the Software.
00011  *
00012  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
00013  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
00014  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
00015  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
00016  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00017  */
00018 
00019 /* Analog Pressure Sensor driver */
00020 
00021 #ifndef PressureSensor_h
00022 #define PressureSensor_h
00023 
00024 #include "mbed.h"
00025 
00026 class PressureSensor 
00027 {
00028 public:
00029     PressureSensor(PinName pin);
00030 
00031     int read_pa();
00032     float read_bars();
00033     void start_count();
00034     float stop_count();
00035 
00036 private:
00037     AnalogIn _input;
00038 
00039     int _read_count;
00040     int _average_pressure;
00041     Thread _worker_thread;
00042 
00043     void _worker();
00044 };
00045 
00046 #endif// PressureSensor_h