Group PAG / Mbed OS PAG-CourseWork-NicksEdits

Minor fixes

Dependencies:   LPS25H hts221

Fork of Coursework by Group PAG

Queue.cpp@42:4e0a96b52e65, 2017-05-03 (annotated)

Committer:
pburtenshaw
Date:
Wed May 03 13:30:38 2017 +0000
Revision:
42:4e0a96b52e65
Child:
43:4ddc392dd0cc
queue started

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pburtenshaw 42:4e0a96b52e65 1 #include "Queue.h"
pburtenshaw 42:4e0a96b52e65 2
pburtenshaw 42:4e0a96b52e65 3
pburtenshaw 42:4e0a96b52e65 4 void Queue::Queue(){
pburtenshaw 42:4e0a96b52e65 5 front = 0;
pburtenshaw 42:4e0a96b52e65 6 back = 0;
pburtenshaw 42:4e0a96b52e65 7 count = 0;
pburtenshaw 42:4e0a96b52e65 8 }
pburtenshaw 42:4e0a96b52e65 9 static void Queue::add(Queue q, int i) {
pburtenshaw 42:4e0a96b52e65 10 if ((q.back == {size -1) && q.front == 0) || (q.back - q.front = 1)) {
pburtenshaw 42:4e0a96b52e65 11 // buffer is full, delete oldies
pburtenshaw 42:4e0a96b52e65 12 // put data in front
pburtenshaw 42:4e0a96b52e65 13 // front++ back ++
pburtenshaw 42:4e0a96b52e65 14 } else {
pburtenshaw 42:4e0a96b52e65 15 q.back = q.back + 1;
pburtenshaw 42:4e0a96b52e65 16 q.data [q.back] = i;
pburtenshaw 42:4e0a96b52e65 17 }
pburtenshaw 42:4e0a96b52e65 18 }
pburtenshaw 42:4e0a96b52e65 19
pburtenshaw 42:4e0a96b52e65 20 static int Queue::remove(Queue q) {
pburtenshaw 42:4e0a96b52e65 21 if (q.back < 0) {
pburtenshaw 42:4e0a96b52e65 22 printf("Queue remove ERROR");
pburtenshaw 42:4e0a96b52e65 23 return(-1);
pburtenshaw 42:4e0a96b52e65 24 } else {
pburtenshaw 42:4e0a96b52e65 25 int temporary = q.data[0];
pburtenshaw 42:4e0a96b52e65 26 q.back = q.back -1;
pburtenshaw 42:4e0a96b52e65 27 return (temporary);
pburtenshaw 42:4e0a96b52e65 28 }
pburtenshaw 42:4e0a96b52e65 29 }