simple temperature sensor

Dependents:   HARP2 HARP3 Thermostat_NucleoF401 4180Lab4_p1 ... more

TMP36GZ.h

Committer:
tylerjw
Date:
2012-09-20
Revision:
1:01194600336b
Parent:
0:2bfb76da015b
Child:
2:c368493b71a9

File content as of revision 1:01194600336b:

/*
* @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
*
* Header 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 "mbed.h"

/** TMP36GZ temperature sensor
*
* Example:
* @code
#include "mbed.h"
#include "TMP36GZ.h"

TMP36GZ temp_sensor(p20);
Serial pc(USBTX, USBRX); // tx, rx

int main() {
    pc.baud(9600);
    while(1) {
        pc.printf("Temp: %6.3f deg/C - %6.3f deg/F\n", temp_sensor.sample(), temp_sensor.sample_f());
        wait(1.0); // wait 1 second
    }
}
* @endcode
*/

class TMP36GZ
{
private:
    AnalogIn *input_pin_;

public:

    /** Constructor for TMP36GZ sensor
    *
    * Analog input pin from p15-p20
    *
    * @param pin the analog input pin (connect to pin 2 on sensor)
    */
    TMP36GZ(PinName pin);
    
    /** Sample the sensor in deg C
    *
    * @returns float value in deg C
    */
    float sample();
    
    /** Sample the sensor in deg F
    *
    * @returns float value in deg F
    */
    float sample_f();
};