CAN Bus Functions

These functions handle CAN bus functionality. More...

Functions
int	mcp2515_can_message_send (pi_mcp2515_t *pi_mcp2515, const pi_mcp2515_can_frame_t *can_frame)
	Send a CAN bus message.
int	mcp2515_can_message_read (pi_mcp2515_t *pi_mcp2515, pi_mcp2515_can_frame_t *can_frame)
	Read a CAN bus message.
int	mcp2515_can_message_read_rxb (pi_mcp2515_t *pi_mcp2515, mcp2515_rxb_t rxb, pi_mcp2515_can_frame_t *can_frame)
bool	mcp2515_can_message_received (pi_mcp2515_t *pi_mcp2515)
	Check if there is a CAN bus message received.

Detailed Description

These functions handle CAN bus functionality.

Function Documentation

mcp2515_can_message_read()

int mcp2515_can_message_read	(	pi_mcp2515_t *	pi_mcp2515,
		pi_mcp2515_can_frame_t *	can_frame )

Read a CAN bus message.

Parameters

pi_mcp2515	the piMCP2515 handle.
can_frame	a pointer to the structure to store the received CAN bus frame.

Returns

zero if success, otherwise non-zero.

mcp2515_can_message_received()

bool mcp2515_can_message_received

(

pi_mcp2515_t *

pi_mcp2515

)

Check if there is a CAN bus message received.

The message can then be read with mcp2515_can_message_read.

Parameters

pi_mcp2515

the piMCP2515 handle.

Returns

true if a message is received in one of the RX buffers.

mcp2515_can_message_send()

int mcp2515_can_message_send	(	pi_mcp2515_t *	pi_mcp2515,
		const pi_mcp2515_can_frame_t *	can_frame )

Send a CAN bus message.

Parameters

pi_mcp2515	the piMCP2515 handle.
can_frame	the CAN bus frame to send.

Returns

zero if success, otherwise non-zero.