aapje monkey / DataLogging

bike datalogging basic

Dependents:   BLEPrototype

Data.cpp@0:ec76b22829d5, 2016-04-16 (annotated)

Committer:
ptuytsch
Date:
Sat Apr 16 14:55:37 2016 +0000
Revision:
0:ec76b22829d5
basic logging

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ptuytsch 0:ec76b22829d5 1 #include "mbed.h"
ptuytsch 0:ec76b22829d5 2 #include "Data.h"
ptuytsch 0:ec76b22829d5 3 #define Period 1 //5000ms
ptuytsch 0:ec76b22829d5 4 #define PPR 1
ptuytsch 0:ec76b22829d5 5 #define periphery 2.233168 //periphery of the wheel, in this example a 28" wheel.
ptuytsch 0:ec76b22829d5 6
ptuytsch 0:ec76b22829d5 7
ptuytsch 0:ec76b22829d5 8
ptuytsch 0:ec76b22829d5 9 int count;
ptuytsch 0:ec76b22829d5 10 time_t StartTime;
ptuytsch 0:ec76b22829d5 11 double distance;
ptuytsch 0:ec76b22829d5 12 double lastDistance;
ptuytsch 0:ec76b22829d5 13 int lastCount;
ptuytsch 0:ec76b22829d5 14
ptuytsch 0:ec76b22829d5 15 void interval(void){
ptuytsch 0:ec76b22829d5 16 lastDistance = count * periphery / PPR;
ptuytsch 0:ec76b22829d5 17 distance += lastDistance;
ptuytsch 0:ec76b22829d5 18 lastCount = count;
ptuytsch 0:ec76b22829d5 19 count = 0;
ptuytsch 0:ec76b22829d5 20 }
ptuytsch 0:ec76b22829d5 21
ptuytsch 0:ec76b22829d5 22 void pressed(void){
ptuytsch 0:ec76b22829d5 23 count++;
ptuytsch 0:ec76b22829d5 24 }
ptuytsch 0:ec76b22829d5 25
ptuytsch 0:ec76b22829d5 26 Data::Data(PinName pin) : button(pin){
ptuytsch 0:ec76b22829d5 27 StartTime = time(NULL);
ptuytsch 0:ec76b22829d5 28 count = 0;
ptuytsch 0:ec76b22829d5 29 distance = 0;
ptuytsch 0:ec76b22829d5 30 tick.attach(interval,Period);
ptuytsch 0:ec76b22829d5 31 button.fall(pressed);
ptuytsch 0:ec76b22829d5 32 }
ptuytsch 0:ec76b22829d5 33
ptuytsch 0:ec76b22829d5 34 double Data::getDistance(void){
ptuytsch 0:ec76b22829d5 35 return distance;
ptuytsch 0:ec76b22829d5 36 }
ptuytsch 0:ec76b22829d5 37
ptuytsch 0:ec76b22829d5 38 int Data::getTime(void){
ptuytsch 0:ec76b22829d5 39 return time(NULL) - StartTime;
ptuytsch 0:ec76b22829d5 40 }
ptuytsch 0:ec76b22829d5 41
ptuytsch 0:ec76b22829d5 42 double Data::getSpeed(void){
ptuytsch 0:ec76b22829d5 43 return lastDistance/Period * 3.6;
ptuytsch 0:ec76b22829d5 44 }
ptuytsch 0:ec76b22829d5 45
ptuytsch 0:ec76b22829d5 46 double Data::getAverage(void){
ptuytsch 0:ec76b22829d5 47 return distance/(time(NULL) - StartTime) * 3.6;
ptuytsch 0:ec76b22829d5 48 }
ptuytsch 0:ec76b22829d5 49
ptuytsch 0:ec76b22829d5 50 int Data::getLastCount(void){
ptuytsch 0:ec76b22829d5 51 return lastCount;
ptuytsch 0:ec76b22829d5 52 }