simple temperature sensor

Dependents:   HARP2 HARP3 Thermostat_NucleoF401 4180Lab4_p1 ... more

TMP36GZ.cpp

Committer:
tylerjw
Date:
2012-09-20
Revision:
0:2bfb76da015b
Child:
4:24ce620f145c

File content as of revision 0:2bfb76da015b:

/**
* @author Tyler Weaver
*
* @section LICENSE
*
* Copyright (c) 2012 Tyler Weaver, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute,

* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* @section DESCRIPTION
*
* C++ file for TMP36GZ temperature sensor library
*
*   /----\
*  |1 2 3 |
*
* 1 - Vs, connect 3.3V (Vout)
* 2 - Vout - connect to input pin
* 3 - GND - connect to ground
*
* 100mV     -40 deg/C
* 500mV       0 deg/C
* 750mV      25 deg/C
*2000mV     125 deg/C
*
* 10mV / deg/C
*/
#include "TMP36GZ.h"

TMP36GZ::TMP36GZ(PinName pin)
{
    input_pin_ = new AnalogIn(pin);
}

float TMP36GZ::sample()
{
    return input_pin_->read() * 330.0 - 50.0;
}

float TMP36GZ::sample_f()
{
    return sample() * 1.8 + 32.0;
}