Tyler Weaver / TMP36 GZ

simple temperature sensor

Dependents:   HARP2 HARP3 Thermostat_NucleoF401 4180Lab4_p1 ... more

TMP36GZ.h@8:2b0feb7bdebc, 2012-09-20 (annotated)

Committer:
tylerjw
Date:
Thu Sep 20 23:33:38 2012 +0000
Revision:
8:2b0feb7bdebc
Parent:
7:9a916a3a059f 
0.9

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tylerjw 3:84ed914fb203 1 /*
tylerjw 0:2bfb76da015b 2 * Copyright (c) 2012 Tyler Weaver, MIT License
tylerjw 0:2bfb76da015b 3 *
tylerjw 0:2bfb76da015b 4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
tylerjw 0:2bfb76da015b 5 * and associated documentation files (the "Software"), to deal in the Software without restriction,
tylerjw 0:2bfb76da015b 6 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
tylerjw 0:2bfb76da015b 7
tylerjw 0:2bfb76da015b 8 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
tylerjw 0:2bfb76da015b 9 * furnished to do so, subject to the following conditions:
tylerjw 0:2bfb76da015b 10 *
tylerjw 0:2bfb76da015b 11 * The above copyright notice and this permission notice shall be included in all copies or
tylerjw 0:2bfb76da015b 12 * substantial portions of the Software.
tylerjw 0:2bfb76da015b 13 *
tylerjw 0:2bfb76da015b 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
tylerjw 0:2bfb76da015b 15 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
tylerjw 0:2bfb76da015b 16 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
tylerjw 0:2bfb76da015b 17 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
tylerjw 0:2bfb76da015b 18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
tylerjw 0:2bfb76da015b 19 */
tylerjw 6:03535a37f125 20
tylerjw 0:2bfb76da015b 21 #include "mbed.h"
tylerjw 0:2bfb76da015b 22
tylerjw 3:84ed914fb203 23 /** TMP36GZ temperature sensor class
tylerjw 0:2bfb76da015b 24 *
tylerjw 6:03535a37f125 25 * @author Tyler Weaver
tylerjw 6:03535a37f125 26 *
tylerjw 0:2bfb76da015b 27 * Example:
tylerjw 0:2bfb76da015b 28 * @code
tylerjw 3:84ed914fb203 29 * #include "mbed.h"
tylerjw 3:84ed914fb203 30 * #include "TMP36GZ.h"
tylerjw 3:84ed914fb203 31 *
tylerjw 3:84ed914fb203 32 * TMP36GZ temp_sensor(p20);
tylerjw 3:84ed914fb203 33 * Serial pc(USBTX, USBRX); // tx, rx
tylerjw 3:84ed914fb203 34 *
tylerjw 3:84ed914fb203 35 * int main() {
tylerjw 3:84ed914fb203 36 * pc.baud(9600);
tylerjw 3:84ed914fb203 37 * while(1) {
tylerjw 3:84ed914fb203 38 * pc.printf("Temp: %6.3f deg/C - %6.3f deg/F\n", temp_sensor.sample(), temp_sensor.sample_f());
tylerjw 3:84ed914fb203 39 * wait(1.0); // wait 1 second
tylerjw 3:84ed914fb203 40 * }
tylerjw 3:84ed914fb203 41 * }
tylerjw 0:2bfb76da015b 42 * @endcode
tylerjw 8:2b0feb7bdebc 43 *
tylerjw 8:2b0feb7bdebc 44 * @section DESCRIPTION
tylerjw 8:2b0feb7bdebc 45 *
tylerjw 8:2b0feb7bdebc 46 * C++ file for TMP36GZ temperature sensor library
tylerjw 8:2b0feb7bdebc 47 *
tylerjw 8:2b0feb7bdebc 48 * /----\
tylerjw 8:2b0feb7bdebc 49 * |1 2 3 |
tylerjw 8:2b0feb7bdebc 50 * --------
tylerjw 8:2b0feb7bdebc 51 *
tylerjw 8:2b0feb7bdebc 52 * 1 - Vs, connect 3.3V (Vout)
tylerjw 8:2b0feb7bdebc 53 * 2 - Vout - connect to input pin
tylerjw 8:2b0feb7bdebc 54 * 3 - GND - connect to ground
tylerjw 8:2b0feb7bdebc 55 *
tylerjw 8:2b0feb7bdebc 56 * 750mV = 25 deg/C
tylerjw 8:2b0feb7bdebc 57 *
tylerjw 8:2b0feb7bdebc 58 * 10mV / deg/C
tylerjw 0:2bfb76da015b 59 */
tylerjw 0:2bfb76da015b 60
tylerjw 0:2bfb76da015b 61 class TMP36GZ
tylerjw 0:2bfb76da015b 62 {
tylerjw 0:2bfb76da015b 63 public:
tylerjw 3:84ed914fb203 64 /** Constructor for TMP36GZ sensor
tylerjw 0:2bfb76da015b 65 *
tylerjw 0:2bfb76da015b 66 * Analog input pin from p15-p20
tylerjw 0:2bfb76da015b 67 *
tylerjw 0:2bfb76da015b 68 * @param pin the analog input pin (connect to pin 2 on sensor)
tylerjw 0:2bfb76da015b 69 */
tylerjw 0:2bfb76da015b 70 TMP36GZ(PinName pin);
tylerjw 3:84ed914fb203 71
tylerjw 3:84ed914fb203 72 /** Sample the sensor in deg C
tylerjw 0:2bfb76da015b 73 *
tylerjw 0:2bfb76da015b 74 * @returns float value in deg C
tylerjw 0:2bfb76da015b 75 */
tylerjw 0:2bfb76da015b 76 float sample();
tylerjw 3:84ed914fb203 77
tylerjw 3:84ed914fb203 78 /** Sample the sensor in deg F
tylerjw 0:2bfb76da015b 79 *
tylerjw 0:2bfb76da015b 80 * @returns float value in deg F
tylerjw 0:2bfb76da015b 81 */
tylerjw 0:2bfb76da015b 82 float sample_f();
tylerjw 3:84ed914fb203 83
tylerjw 3:84ed914fb203 84 private:
tylerjw 3:84ed914fb203 85 AnalogIn *input_pin_;
tylerjw 0:2bfb76da015b 86 };