can_common.h File Reference

Common functions and data structures used in every node in the CAN library. More...

#include <stdint.h>
#include "common/freertos/freertos.h"
#include "common/phal/can.h"
#include "common/can_library/generated/can_router.h"

Go to the source code of this file.

Classes
struct	can_peripheral_stats_t
struct	can_stats_t

Macros
#define	CAN_TX_BACKPRESSURE_MS   (2)
#define	CAN_TX_QUEUE_LENGTH   (64)
#define	CAN_RX_QUEUE_LENGTH   (64)
#define	CAN_TX_MAILBOX_CNT   (3)
#define	CAN_TX_TIMEOUT_MS   (15)
#define	CAN_TX_BLOCK_TIMEOUT   (30 * 16000)
#define	CAN_MAILBOX_HIGH_PRIO   0
#define	CAN_MAILBOX_MED_PRIO   1
#define	CAN_MAILBOX_LOW_PRIO   2
#define	CAN_EFF_FLAG   0x80000000U /* EFF/SFF is set in the MSB */
#define	CAN_RTR_FLAG   0x40000000U /* remote transmission request */
#define	CAN_ERR_FLAG   0x20000000U /* error message frame */
#define	CAN_SFF_MASK   0x000007FFU /* standard frame format (SFF) */
#define	CAN_EFF_MASK   0x1FFFFFFFU /* extended frame format (EFF) */
#define	CAN_ERR_MASK   0x1FFFFFFFU /* omit EFF, RTR, ERR flags */
#define	CAN1_IDX   0
#define	CAN2_IDX   1
#define	CAN3_IDX   2
#define	GET_PERIPH_IDX(bus)
#define	NUM_CAN_PERIPHERALS_MAX   2

Functions
void	CAN_enqueue_tx (CanMsgTypeDef_t *msg)
void	CAN_tx_update ()
void	CAN_rx_update ()
bool	CAN_library_init ()
void	CAN_handle_irq (CAN_TypeDef *bus, uint8_t fifo)

Variables
can_stats_t	can_stats
volatile uint32_t	last_can_rx_time_ms
QueueHandle_t	q_rx_can

Detailed Description

Common functions and data structures used in every node in the CAN library.

Author

Irving Wang (irvin.nosp@m.gw@p.nosp@m.urdue.nosp@m..edu)

Ronak Jain (jain7.nosp@m.17@p.nosp@m.urdue.nosp@m..edu)

Macro Definition Documentation

GET_PERIPH_IDX

#define GET_PERIPH_IDX

(

bus

)

Value:

((bus == CAN1) ? CAN1_IDX : CAN2_IDX)