aci_queue.h

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/* Copyright (c) 2014, Nordic Semiconductor ASA
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#ifndef ACI_QUEUE_H__
#define ACI_QUEUE_H__

#include "aci.h"
#include "hal_aci_tl.h"

/***********************************************************************    */
/* The ACI_QUEUE_SIZE determines the memory usage of the system.            */
/* Successfully tested to a ACI_QUEUE_SIZE of 4 (interrupt) and 4 (polling) */
/***********************************************************************    */
#define ACI_QUEUE_SIZE  4

typedef struct {
    hal_aci_data_t           aci_data[ACI_QUEUE_SIZE];
    uint8_t                  head;
    uint8_t                  tail;
} aci_queue_t;

void aci_queue_init(aci_queue_t *aci_q);

bool aci_queue_dequeue(aci_queue_t *aci_q, hal_aci_data_t *p_data);
bool aci_queue_dequeue_from_isr(aci_queue_t *aci_q, hal_aci_data_t *p_data);

bool aci_queue_enqueue(aci_queue_t *aci_q, hal_aci_data_t *p_data);
bool aci_queue_enqueue_from_isr(aci_queue_t *aci_q, hal_aci_data_t *p_data);

bool aci_queue_is_empty(aci_queue_t *aci_q);
bool aci_queue_is_empty_from_isr(aci_queue_t *aci_q);

bool aci_queue_is_full(aci_queue_t *aci_q);
bool aci_queue_is_full_from_isr(aci_queue_t *aci_q);

bool aci_queue_peek(aci_queue_t *aci_q, hal_aci_data_t *p_data);
bool aci_queue_peek_from_isr(aci_queue_t *aci_q, hal_aci_data_t *p_data);

#endif /* ACI_QUEUE_H__ */