Radu-Adrian Marcu / Mbed OS SOFT253_GroupA_AssignmentRepo

3rd Repo, trying to figure this out.

Dependencies:   LPS25H hts221

Fork of SOFT253_Template_Weather_OS_54 by Stage-1 Students SoCEM

FakeSensor/FakeMeasurer.cpp@85:422d0a1b95cf, 2017-05-13 (annotated)

Committer:
niallfrancis
Date:
Sat May 13 17:35:58 2017 +0000
Revision:
85:422d0a1b95cf
Parent:
83:0d3572a8a851 
Finished commenting classes;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Netaphous 50:c07e968b9582 1 #include "FakeSensor.h"
Netaphous 50:c07e968b9582 2 #include "mbed.h"
Netaphous 50:c07e968b9582 3
niallfrancis 85:422d0a1b95cf 4 /**
niallfrancis 85:422d0a1b95cf 5 @file : FakeMeasurer.cpp
niallfrancis 85:422d0a1b95cf 6 @authors : Radu Marcu, Jacob Williams, Niall Francis, Arron Burch
niallfrancis 85:422d0a1b95cf 7
niallfrancis 85:422d0a1b95cf 8 @section DESCRIPTION
niallfrancis 85:422d0a1b95cf 9
niallfrancis 85:422d0a1b95cf 10 This is the FakeMeasurer class. It is used to generate fake data readings,
niallfrancis 85:422d0a1b95cf 11 meant to simulate the results a real sensor would provide. It generates random
niallfrancis 85:422d0a1b95cf 12 values for humidity and temperature.
niallfrancis 85:422d0a1b95cf 13 */
niallfrancis 85:422d0a1b95cf 14
niallfrancis 85:422d0a1b95cf 15
niallfrancis 85:422d0a1b95cf 16
aburch1 83:0d3572a8a851 17 /**
Netaphous 50:c07e968b9582 18 Constructor
Netaphous 50:c07e968b9582 19 Takes in minimum and maximum values for both temperature and humidity fake readings
aburch1 83:0d3572a8a851 20
aburch1 83:0d3572a8a851 21 @param tempMin : Miniumum value for temperature.
aburch1 83:0d3572a8a851 22 @param tempMax : Maxiumum value for temperature.
aburch1 83:0d3572a8a851 23 @param humiMin : Miniumum value for humidity.
aburch1 83:0d3572a8a851 24 @param humiMax : Maxiumum value for humidity.
Netaphous 50:c07e968b9582 25 */
Netaphous 50:c07e968b9582 26 FakeMeasurer::FakeMeasurer(float tempMin, float tempMax, float humiMin, float humiMax)
Netaphous 50:c07e968b9582 27 {
Netaphous 50:c07e968b9582 28 temperatureMin = tempMin;
Netaphous 50:c07e968b9582 29 temperatureMax = tempMax;
Netaphous 50:c07e968b9582 30 humidityMin = humiMin;
Netaphous 50:c07e968b9582 31 humidityMax = humiMax;
aburch1 83:0d3572a8a851 32 }
aburch1 83:0d3572a8a851 33
aburch1 83:0d3572a8a851 34 /**
aburch1 83:0d3572a8a851 35 @return : True to fake successful initialisation of sensor.
Netaphous 50:c07e968b9582 36 */
Netaphous 50:c07e968b9582 37 bool FakeMeasurer::init()
Netaphous 50:c07e968b9582 38 {
Netaphous 50:c07e968b9582 39 return true;
Netaphous 50:c07e968b9582 40 }
Netaphous 50:c07e968b9582 41
aburch1 83:0d3572a8a851 42 /**
aburch1 83:0d3572a8a851 43 Fakes a calibration call to the sensor by doing nothing.
Netaphous 50:c07e968b9582 44 */
Netaphous 50:c07e968b9582 45 void FakeMeasurer::calib() {}
Netaphous 50:c07e968b9582 46
aburch1 83:0d3572a8a851 47 /**
Netaphous 50:c07e968b9582 48 Generates a random number for both temperature and humidity using the ranges
aburch1 83:0d3572a8a851 49 given in the constructor and stores the random numbers in the variables passed in.
aburch1 83:0d3572a8a851 50
aburch1 83:0d3572a8a851 51 @param temperature : Pointer to float where temperature reading is stored.
aburch1 83:0d3572a8a851 52 @param humidity : Pointer to float where humidity reading is stored.
Netaphous 50:c07e968b9582 53 */
Netaphous 50:c07e968b9582 54 void FakeMeasurer::ReadTempHumi(float *temperature, float *humidity)
Netaphous 50:c07e968b9582 55 {
Netaphous 50:c07e968b9582 56 int rangeMax = 1000;
Netaphous 50:c07e968b9582 57
Netaphous 50:c07e968b9582 58 float targetRange = temperatureMax - temperatureMin;
Netaphous 50:c07e968b9582 59 srand(time(NULL));
Netaphous 50:c07e968b9582 60 int randNum = (rand()%rangeMax);
Netaphous 50:c07e968b9582 61 float perc = (float)randNum / rangeMax;
Netaphous 50:c07e968b9582 62 float percRange = perc * targetRange;
Netaphous 50:c07e968b9582 63 *temperature = percRange + temperatureMin;
Netaphous 50:c07e968b9582 64
Netaphous 50:c07e968b9582 65 targetRange = humidityMax - humidityMin;
Netaphous 50:c07e968b9582 66 srand(time(NULL));
Netaphous 50:c07e968b9582 67 randNum = (rand()%rangeMax);
Netaphous 50:c07e968b9582 68 perc = (float)randNum / rangeMax;
Netaphous 50:c07e968b9582 69 percRange = perc * targetRange;
Netaphous 50:c07e968b9582 70 *humidity = percRange + humidityMin;
Netaphous 50:c07e968b9582 71 }