can.h File Reference

CAN driver. More...

#include <avr/io.h>
#include <stdbool.h>
#include <stdint.h>
#include "spi.h"

Go to the source code of this file.

Data Structures
struct	can_msg
	Represents a simple CAN message with an address, data count, and a single byte of data. More...
struct	can_device
	Represents a CAN device, storing the SPI slave controlling the MCP2515. More...
struct	CAN_frame
	Represents a full CAN frame for sending/receiving. More...

Macros
#define	CAN_ID_ERROR   0x01
#define	CAN_ID_GAMEOVER   0x02
#define	CAN_ID_GAMESTART   0x03
#define	CAN_ID_JOYPOS   0x04
#define	CAN_ID_RESET   0x05
#define	CAN_ID_READY   0x06
#define	CAN_ID_SCORE   0x07
#define	CAN_ID_DEFAULT   0x08
#define	CAN_RXQ_SIZE   8

Functions
int8_t	can_init (struct can_device *dev)
	Initialize a CAN device.
int8_t	can_write (struct can_device *dev, struct CAN_frame msg)
	Write a CAN frame to the MCP2515 transmit buffer.
int8_t	can_read_rx0 (struct can_device *dev, struct CAN_frame *out)
	Read a message from RX buffer 0.
int8_t	can_read_rx1 (struct can_device *dev, struct CAN_frame *out)
	Read a message from RX buffer 1.
int	can_rxq_add (struct CAN_frame *msg)
	Add a CAN frame to the internal receive queue.
int	can_rxq_pull (struct CAN_frame *out)
	Pull a CAN frame from the internal receive queue.
int8_t	can_reset (struct can_device *dev, uint8_t address, struct CAN_frame data_frame)
int8_t	MCP2515_init (struct can_device *dev)
int8_t	MCP2515_read (struct can_device *dev, uint8_t rx_buf_num, uint8_t *out)
int8_t	MCP2515_write (struct can_device *dev, uint8_t addr, uint8_t data)
int8_t	MCP2515_request_to_send (struct can_device *dev, uint8_t tx_buf_num)
int8_t	MCP2515_bit_modify (struct can_device *dev, uint8_t reg, uint8_t mask, uint8_t set_val)
int8_t	MCP2515_reset (struct can_device *dev)
int8_t	MCP2515_read_status (struct can_device *dev, uint8_t *out)

Detailed Description

CAN driver.

Definition in file can.h.