upm  0.5.1
Sensor/Actuator repository for libmraa (v0.9.1)
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aci_queue.h
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1 /* Copyright (c) 2014, Nordic Semiconductor ASA
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21 
32 #ifndef ACI_QUEUE_H__
33 #define ACI_QUEUE_H__
34 
35 #include "aci.h"
36 #include "hal_aci_tl.h"
37 
38 /*********************************************************************** */
39 /* The ACI_QUEUE_SIZE determines the memory usage of the system. */
40 /* Successfully tested to a ACI_QUEUE_SIZE of 4 (interrupt) and 4 (polling) */
41 /*********************************************************************** */
42 #define ACI_QUEUE_SIZE 4
43 
52 typedef struct {
53  hal_aci_data_t aci_data[ACI_QUEUE_SIZE];
54  uint8_t head;
55  uint8_t tail;
56 } aci_queue_t;
57 
58 void aci_queue_init(aci_queue_t *aci_q);
59 
60 bool aci_queue_dequeue(aci_queue_t *aci_q, hal_aci_data_t *p_data);
61 bool aci_queue_dequeue_from_isr(aci_queue_t *aci_q, hal_aci_data_t *p_data);
62 
63 bool aci_queue_enqueue(aci_queue_t *aci_q, hal_aci_data_t *p_data);
64 bool aci_queue_enqueue_from_isr(aci_queue_t *aci_q, hal_aci_data_t *p_data);
65 
66 bool aci_queue_is_empty(aci_queue_t *aci_q);
67 bool aci_queue_is_empty_from_isr(aci_queue_t *aci_q);
68 
69 bool aci_queue_is_full(aci_queue_t *aci_q);
70 bool aci_queue_is_full_from_isr(aci_queue_t *aci_q);
71 
72 bool aci_queue_peek(aci_queue_t *aci_q, hal_aci_data_t *p_data);
73 bool aci_queue_peek_from_isr(aci_queue_t *aci_q, hal_aci_data_t *p_data);
74 
75 #endif /* ACI_QUEUE_H__ */
76 
Interface for hal_aci_tl.