Marek Vitula / GoalCounter

This library provides simple interface for the table football goal counter based on a IR LED or laser diode and phototransistor.

Dependents:   goal_counter_project

GoalCounter.cpp@4:fc48ef79f484, 2019-01-14 (annotated)

Committer:
nxf46245
Date:
Mon Jan 14 17:48:02 2019 +0000
Revision:
4:fc48ef79f484
Parent:
3:ce69ad70270a 
Code cleaning, added timeout between two goals

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nxf46245 0:d00bd73d08f8 1 #include "GoalCounter.h"
nxf46245 0:d00bd73d08f8 2
nxf46245 1:eb4ee5706587 3 GoalCounter::GoalCounter(PinName pin, Timer * t) : _t(t) {
nxf46245 0:d00bd73d08f8 4
nxf46245 4:fc48ef79f484 5 InterruptIn *_interrupt = new InterruptIn(pin); // Initialize instace of InterruptIn
nxf46245 4:fc48ef79f484 6 // It has to be done dynamically because of non-copyable class
nxf46245 1:eb4ee5706587 7
nxf46245 4:fc48ef79f484 8 _interrupt->fall(callback(this, &GoalCounter::tstart)); // Set callbacks to timer
nxf46245 1:eb4ee5706587 9 _interrupt->rise(callback(this, &GoalCounter::tstop));
nxf46245 0:d00bd73d08f8 10
nxf46245 1:eb4ee5706587 11 _score = 0;
nxf46245 1:eb4ee5706587 12 _time = 0;
nxf46245 4:fc48ef79f484 13 is_goal = 0;
nxf46245 4:fc48ef79f484 14 _begin = 0;
nxf46245 4:fc48ef79f484 15 _end = 0;
nxf46245 4:fc48ef79f484 16 _last_end = 0;
nxf46245 4:fc48ef79f484 17 _time_between = 0;
nxf46245 4:fc48ef79f484 18
nxf46245 4:fc48ef79f484 19 _t->start();
nxf46245 4:fc48ef79f484 20 }
nxf46245 4:fc48ef79f484 21
nxf46245 4:fc48ef79f484 22 GoalCounter::~GoalCounter()
nxf46245 4:fc48ef79f484 23 {
nxf46245 4:fc48ef79f484 24 delete[] _interrupt; // free up dynamically allocated memory
nxf46245 0:d00bd73d08f8 25 }
nxf46245 0:d00bd73d08f8 26
nxf46245 1:eb4ee5706587 27 void GoalCounter::tstart() {
nxf46245 4:fc48ef79f484 28 _begin = _t->read(); // read value of the timer
nxf46245 0:d00bd73d08f8 29 }
nxf46245 0:d00bd73d08f8 30
nxf46245 1:eb4ee5706587 31 void GoalCounter::tstop() {
nxf46245 4:fc48ef79f484 32 _end = _t->read();
nxf46245 4:fc48ef79f484 33 _time = _end - _begin;
nxf46245 4:fc48ef79f484 34 _time_between = _begin - _last_end;
nxf46245 4:fc48ef79f484 35
nxf46245 4:fc48ef79f484 36 if ( _time > 0 && _time < 2 && _score < 10 && _time_between > 1) {
nxf46245 1:eb4ee5706587 37 _score++;
nxf46245 1:eb4ee5706587 38 _balltimes[_score] = _time;
nxf46245 4:fc48ef79f484 39 _last_end = _end;
nxf46245 1:eb4ee5706587 40 is_goal = 1;
nxf46245 0:d00bd73d08f8 41 }
nxf46245 0:d00bd73d08f8 42 }
nxf46245 0:d00bd73d08f8 43
nxf46245 0:d00bd73d08f8 44
nxf46245 0:d00bd73d08f8 45 uint8_t GoalCounter::get_score() {
nxf46245 1:eb4ee5706587 46 return _score;
nxf46245 0:d00bd73d08f8 47 }
nxf46245 0:d00bd73d08f8 48
nxf46245 0:d00bd73d08f8 49 float GoalCounter::get_balltime(uint8_t score) {
nxf46245 4:fc48ef79f484 50 if (score <= _score && score > 0)
nxf46245 1:eb4ee5706587 51 return _balltimes[score];
nxf46245 0:d00bd73d08f8 52 else
nxf46245 0:d00bd73d08f8 53 return -1;
nxf46245 0:d00bd73d08f8 54 }
nxf46245 0:d00bd73d08f8 55
nxf46245 0:d00bd73d08f8 56 float GoalCounter::get_balltime() {
nxf46245 1:eb4ee5706587 57 return _balltimes[_score];
nxf46245 0:d00bd73d08f8 58
nxf46245 0:d00bd73d08f8 59 }
nxf46245 0:d00bd73d08f8 60
nxf46245 0:d00bd73d08f8 61 float GoalCounter::get_ballspeed(uint8_t score) {
nxf46245 4:fc48ef79f484 62 if (score <= _score && score > 0) {
nxf46245 1:eb4ee5706587 63 float speed = 0.034f/_balltimes[score]*3.6f;
nxf46245 0:d00bd73d08f8 64 return speed;
nxf46245 0:d00bd73d08f8 65 }
nxf46245 0:d00bd73d08f8 66 else
nxf46245 0:d00bd73d08f8 67 return -1;
nxf46245 0:d00bd73d08f8 68 }
nxf46245 0:d00bd73d08f8 69
nxf46245 0:d00bd73d08f8 70 float GoalCounter::get_ballspeed() {
nxf46245 1:eb4ee5706587 71 float speed = 0.034f/_balltimes[_score]*3.6f;
nxf46245 0:d00bd73d08f8 72 return speed;
nxf46245 0:d00bd73d08f8 73 }