rt_can_msg Struct Reference

#include <dev_can.h>

Data Fields
rt_uint32_t	id: 29
rt_uint32_t	ide: 1
rt_uint32_t	rtr: 1
rt_uint32_t	rsv: 1
rt_uint32_t	len: 8
rt_uint32_t	priv: 8
rt_int32_t	hdr_index: 8
rt_uint32_t	rxfifo: 2
rt_uint32_t	nonblocking: 1
rt_uint8_t	data [8]

Detailed Description

The CAN message structure.

Field Documentation

id

rt_uint32_t rt_can_msg::id

CAN ID (Standard or Extended).

ide

rt_uint32_t rt_can_msg::ide

Identifier type: 0=Standard ID, 1=Extended ID.

rtr

rt_uint32_t rt_can_msg::rtr

Frame type: 0=Data Frame, 1=Remote Frame.

rsv

rt_uint32_t rt_can_msg::rsv

Reserved bit.

len

rt_uint32_t rt_can_msg::len

Data Length Code (DLC) from 0 to 8.

priv

rt_uint32_t rt_can_msg::priv

Private data, used to specify the hardware mailbox in private mode.

hdr_index

rt_int32_t rt_can_msg::hdr_index

For received messages, the index of the hardware filter that matched the message.

rxfifo

rt_uint32_t rt_can_msg::rxfifo

The RX FIFO where the message was received.

nonblocking

rt_uint32_t rt_can_msg::nonblocking

Send mode: 0=Blocking (default), 1=Non-blocking.

data

rt_uint8_t rt_can_msg::data[8]

CAN message payload (up to 8 bytes).