Jamie Satchell / Mbed OS SOFT253_Weather_Sensor_JSatchell

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Dependencies:   LPS25H hts221

Fork of SOFT253_Template_Weather_OS_54 by Stage-1 Students SoCEM

log.cpp@36:af6abc6f7590, 2017-05-15 (annotated)

Committer:
J_Satchell
Date:
Mon May 15 08:58:08 2017 +0000
Revision:
36:af6abc6f7590
Child:
37:13f74964a045
Almost done

Who changed what in which revision?

UserRevisionLine numberNew contents of line
J_Satchell 36:af6abc6f7590 1 #include "Data.hpp"
J_Satchell 36:af6abc6f7590 2
J_Satchell 36:af6abc6f7590 3 Data queue_array[120];
J_Satchell 36:af6abc6f7590 4 int rear = 0;
J_Satchell 36:af6abc6f7590 5 int front = 0;
J_Satchell 36:af6abc6f7590 6
J_Satchell 36:af6abc6f7590 7 Mutex mutex_l;
J_Satchell 36:af6abc6f7590 8
J_Satchell 36:af6abc6f7590 9 void log_init()
J_Satchell 36:af6abc6f7590 10 {
J_Satchell 36:af6abc6f7590 11
J_Satchell 36:af6abc6f7590 12 }
J_Satchell 36:af6abc6f7590 13
J_Satchell 36:af6abc6f7590 14 void log_push(Data data)
J_Satchell 36:af6abc6f7590 15 {
J_Satchell 36:af6abc6f7590 16 rear = (rear + 1) % 120;
J_Satchell 36:af6abc6f7590 17
J_Satchell 36:af6abc6f7590 18 if (rear == front){
J_Satchell 36:af6abc6f7590 19 front = (front + 1) % 120;
J_Satchell 36:af6abc6f7590 20 }
J_Satchell 36:af6abc6f7590 21
J_Satchell 36:af6abc6f7590 22 queue_array[rear] = data;
J_Satchell 36:af6abc6f7590 23 }
J_Satchell 36:af6abc6f7590 24
J_Satchell 36:af6abc6f7590 25 Data log_pop()
J_Satchell 36:af6abc6f7590 26 {
J_Satchell 36:af6abc6f7590 27 Data record;
J_Satchell 36:af6abc6f7590 28 if (front != rear)
J_Satchell 36:af6abc6f7590 29 { record = queue_array[rear];
J_Satchell 36:af6abc6f7590 30 rear = (rear + 1) % 120;
J_Satchell 36:af6abc6f7590 31 }
J_Satchell 36:af6abc6f7590 32 return record;
J_Satchell 36:af6abc6f7590 33
J_Satchell 36:af6abc6f7590 34 }
J_Satchell 36:af6abc6f7590 35
J_Satchell 36:af6abc6f7590 36 int log_length()
J_Satchell 36:af6abc6f7590 37 {
J_Satchell 36:af6abc6f7590 38
J_Satchell 36:af6abc6f7590 39 int length;
J_Satchell 36:af6abc6f7590 40 length = (120 + rear - front) % 120;
J_Satchell 36:af6abc6f7590 41
J_Satchell 36:af6abc6f7590 42 return length;
J_Satchell 36:af6abc6f7590 43
J_Satchell 36:af6abc6f7590 44 }
J_Satchell 36:af6abc6f7590 45
J_Satchell 36:af6abc6f7590 46 Data log_get(int index)
J_Satchell 36:af6abc6f7590 47 {
J_Satchell 36:af6abc6f7590 48
J_Satchell 36:af6abc6f7590 49 Data record;
J_Satchell 36:af6abc6f7590 50 record = queue_array[(front + index) % 120];
J_Satchell 36:af6abc6f7590 51
J_Satchell 36:af6abc6f7590 52 return record;
J_Satchell 36:af6abc6f7590 53
J_Satchell 36:af6abc6f7590 54 }