ipc_msg.h File Reference

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Data Structures
struct	ipc_queue
	IPC Queue Structure used for sync between M0 and M4. More...

Macros
#define	QUEUE_DATA_COUNT(q)   ((uint32_t) ((q)->head - (q)->tail))
#define	QUEUE_IS_FULL(q)   (QUEUE_DATA_COUNT(q) >= (q)->count)
#define	QUEUE_IS_EMPTY(q)   ((q)->head == (q)->tail)
#define	QUEUE_IS_VALID(q)   ((q)->valid == QUEUE_MAGIC_VALID)
#define	QUEUE_VALID   1
#define	QUEUE_INSERT   0
#define	QUEUE_FULL   -1
#define	QUEUE_EMPTY   -2
#define	QUEUE_ERROR   -3
#define	QUEUE_TIMEOUT   -4
#define	QUEUE_MAGIC_VALID   0xCAB51053

Functions
int	IPC_pushMsgTout (const void *data, int tout)
	Function to push a message into queue with timeout.
int	IPC_popMsgTout (void *data, int tout)
	Function to read a message from queue with timeout.
static INLINE int	IPC_tryPushMsg (const void *data)
	Function to push the message into queue with no wait.
static INLINE int	IPC_tryPopMsg (void *data)
	Function to pop the message from queue with no wait.
static INLINE int	IPC_pushMsg (const void *data)
	Function to push the message into queue with wait.
static INLINE int	IPC_popMsg (void *data)
	Function to pop the message from queue with wait.
int	IPC_msgPending (int queue_write)
	Get number of pending items in queue.
void	IPC_msgNotify (void)
	Function to send notificaton interrupt.
void	IPC_initMsgQueue (void *data, int msgSize, int maxNoOfMsg)
	Function to initialize the IPC message queue.
const char *	IPC_strerror (int errnum)
	Function to convert IPC error number to string.