ipc_queue Struct Reference

Detailed Description

IPC Queue Structure used for sync between M0 and M4.

This structure provides head and tail indexes to the uint32_t array of messages.

Definition at line 78 of file ipc_msg.h.

#include "ipc_msg.h"

Data Fields
int32_t	size
int32_t	count
volatile uint32_t	head
volatile uint32_t	tail
uint8_t *	data
uint32_t	valid
uint32_t	reserved [2]

Field Documentation

int32_t count

Toal number of elements that can be stored in the queue

Definition at line 80 of file ipc_msg.h.

uint8_t* data

Pointer to the data

Definition at line 83 of file ipc_msg.h.

volatile uint32_t head

Head index of the queue

Definition at line 81 of file ipc_msg.h.

uint32_t reserved[2]

Reserved entry to keep the structure aligned

Definition at line 85 of file ipc_msg.h.

int32_t size

Size of a single item in queue

Definition at line 79 of file ipc_msg.h.

volatile uint32_t tail

Tail index of the queue

Definition at line 82 of file ipc_msg.h.

uint32_t valid

Queue is valid only if this is QUEUE_MAGIC_VALID

Definition at line 84 of file ipc_msg.h.

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The documentation for this struct was generated from the following file:

• C:/nxp/v1.03/lpcopen_v1.03/lpcopen/applications/lpc18xx_43xx/examples/dualcore_43xx/common/ipc_msg.h