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/FakeBarometer.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
aburch1 83:0d3572a8a851 4 /**
niallfrancis 85:422d0a1b95cf 5 @file : FakeBarometer.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 FakeBarometer 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 pressure.
niallfrancis 85:422d0a1b95cf 13 */
niallfrancis 85:422d0a1b95cf 14
niallfrancis 85:422d0a1b95cf 15
niallfrancis 85:422d0a1b95cf 16
niallfrancis 85:422d0a1b95cf 17
niallfrancis 85:422d0a1b95cf 18 /**
Netaphous 50:c07e968b9582 19 Constructor
Netaphous 50:c07e968b9582 20 Takes in minimum and maximum values for fake pressure readings
aburch1 83:0d3572a8a851 21
aburch1 83:0d3572a8a851 22 @param pressMin : Minimum value for pressure.
aburch1 83:0d3572a8a851 23 @param pressMax : Maximum value for pressure.
Netaphous 50:c07e968b9582 24 */
Netaphous 50:c07e968b9582 25 FakeBarometer::FakeBarometer(float pressMin, float pressMax)
Netaphous 50:c07e968b9582 26 {
Netaphous 50:c07e968b9582 27 pressureMin = pressMin;
Netaphous 50:c07e968b9582 28 pressureMax = pressMax;
Netaphous 50:c07e968b9582 29 }
Netaphous 50:c07e968b9582 30
aburch1 83:0d3572a8a851 31 /**
aburch1 83:0d3572a8a851 32 Fakes a get call to the sensor by doing nothing.
Netaphous 50:c07e968b9582 33 */
Netaphous 50:c07e968b9582 34 void FakeBarometer::get() {}
Netaphous 50:c07e968b9582 35
aburch1 83:0d3572a8a851 36 /**
Netaphous 50:c07e968b9582 37 Generates a random number for pressure using the range given in the constructor
aburch1 83:0d3572a8a851 38
aburch1 83:0d3572a8a851 39 @return actual : The random number generated, simulating pressure.
Netaphous 50:c07e968b9582 40 */
Netaphous 50:c07e968b9582 41 float FakeBarometer::pressure()
Netaphous 50:c07e968b9582 42 {
Netaphous 50:c07e968b9582 43 int rangeMax = 1000;
Netaphous 50:c07e968b9582 44 float targetRange = pressureMax - pressureMin;
Netaphous 50:c07e968b9582 45 srand(time(NULL));
Netaphous 50:c07e968b9582 46 int randNum = (rand()%rangeMax);
Netaphous 50:c07e968b9582 47 float perc = (float)randNum / rangeMax;
Netaphous 50:c07e968b9582 48 float percRange = perc * targetRange;
Netaphous 50:c07e968b9582 49 float actual = percRange + pressureMin;
Netaphous 50:c07e968b9582 50 return actual;
Netaphous 50:c07e968b9582 51 }
Netaphous 50:c07e968b9582 52