queue.h File Reference

#include "pico.h"
#include "hardware/sync.h"
#include "pico/lock_core.h"

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Data Structures
struct	queue_t
	A multi-core and IRQ safe queue instance. More...

Macros
#define	PICO_QUEUE_MAX_LEVEL   0

Functions
bool	queue_init_with_spinlock (queue_t *q, uint element_size, uint element_count, uint spinlock_num)
	Initialise a queue with a specific spinlock for concurrency protection.
static bool	queue_init (queue_t *q, uint element_size, uint element_count)
	Initialise a queue, allocating a (possibly shared) spinlock.
void	queue_free (queue_t *q)
	Destroy the specified queue.
static uint	queue_get_level_unsafe (queue_t *q)
	Unsafe check of level of the specified queue.
static uint	queue_get_level (queue_t *q)
	Check of level of the specified queue.
static bool	queue_is_empty (queue_t *q)
	Check if queue is empty.
static bool	queue_is_full (queue_t *q)
	Check if queue is full.
bool	queue_try_add (queue_t *q, const void *data)
	Non-blocking add value queue if not full.
bool	queue_try_remove (queue_t *q, void *data)
	Non-blocking removal of entry from the queue if non empty.
bool	queue_try_peek (queue_t *q, void *data)
	Non-blocking peek at the next item to be removed from the queue.
void	queue_add_blocking (queue_t *q, const void *data)
	Blocking add of value to queue.
void	queue_remove_blocking (queue_t *q, void *data)
	Blocking remove entry from queue.
void	queue_peek_blocking (queue_t *q, void *data)
	Blocking peek at next value to be removed from queue.