Controller Area Network (CAN) driver module for SAM.

#include "compiler.h"

Data Structures
struct	can_mb_conf_t
	Define the struct for CAN message mailbox. More...

Macros
#define	CAN_BPS_1000K 1000
	Define the typical baudrate for CAN communication in KHz. More...

#define	CAN_BPS_10K 10

#define	CAN_BPS_125K 125

#define	CAN_BPS_250K 250

#define	CAN_BPS_25K 25

#define	CAN_BPS_500K 500

#define	CAN_BPS_50K 50

#define	CAN_BPS_5K 5

#define	CAN_BPS_800K 800

#define	CAN_DISABLE_ALL_INTERRUPT_MASK 0xffffffff
	Disable all interrupt mask. More...

#define	CAN_MAILBOX_NOT_READY 0x01
	Receiver is empty or transmitter is busy. More...

#define	CAN_MAILBOX_RX_NEED_RD_AGAIN 0x04
	Application needs to re-read the data register in Receive with Overwrite mode. More...

#define	CAN_MAILBOX_RX_OVER 0x02
	Message overwriting happens or there're messages lost in different receive modes. More...

#define	CAN_MAILBOX_TRANSFER_OK 0
	Define CAN mailbox transfer status code. More...

#define	CAN_MB_CONSUMER_MODE 4

#define	CAN_MB_DISABLE_MODE 0
	Define the mailbox mode. More...

#define	CAN_MB_PRODUCER_MODE 5

#define	CAN_MB_RX_MODE 1

#define	CAN_MB_RX_OVER_WR_MODE 2

#define	CAN_MB_TX_MODE 3

#define	GLOBAL_MAILBOX_MASK 0x000000ff
	Define the Mailbox mask for eight mailboxes. More...

Functions
void	can_disable (Can *p_can)
	Disable CAN Controller. More...

void	can_disable_autobaud_listen_mode (Can *p_can)
	Disable CAN Controller autobaud/listen mode. More...

void	can_disable_interrupt (Can *p_can, uint32_t dw_mask)
	Disable CAN interrupt. More...

void	can_disable_low_power_mode (Can *p_can)
	Disable CAN Controller low power mode. More...

void	can_disable_overload_frame (Can *p_can)
	CAN Controller won't generate overload frame. More...

void	can_disable_time_triggered_mode (Can *p_can)
	Disable CAN Controller time triggered mode. More...

void	can_disable_timer_freeze (Can *p_can)
	Disable CAN Controller timer freeze. More...

void	can_disable_tx_repeat (Can *p_can)
	Disable CAN Controller transmit repeat function. More...

void	can_enable (Can *p_can)
	Enable CAN Controller. More...

void	can_enable_autobaud_listen_mode (Can *p_can)
	Enable CAN Controller autobaud/listen mode. More...

void	can_enable_interrupt (Can *p_can, uint32_t dw_mask)
	Enable CAN interrupt. More...

void	can_enable_low_power_mode (Can *p_can)
	Enable CAN Controller low power mode. More...

void	can_enable_overload_frame (Can *p_can)
	CAN Controller will generate an overload frame after each successful reception for mailboxes configured in Receive mode, Producer and Consumer. More...

void	can_enable_time_triggered_mode (Can *p_can)
	Enable CAN Controller time triggered mode. More...

void	can_enable_timer_freeze (Can *p_can)
	Enable CAN Controller timer freeze. More...

void	can_enable_tx_repeat (Can *p_can)
	Enable CAN Controller transmit repeat function. More...

uint32_t	can_get_internal_timer_value (Can *p_can)
	Get the 16-bit free-running internal timer count. More...

uint32_t	can_get_interrupt_mask (Can *p_can)
	Get CAN Interrupt Mask. More...

uint8_t	can_get_rx_error_cnt (Can *p_can)
	Get CAN receive error counter. More...

uint32_t	can_get_status (Can *p_can)
	Get CAN status. More...

uint32_t	can_get_timestamp_value (Can *p_can)
	Get CAN timestamp register value. More...

uint8_t	can_get_tx_error_cnt (Can *p_can)
	Get CAN transmit error counter. More...

void	can_global_send_abort_cmd (Can *p_can, uint8_t uc_mask)
	Send global abort request. More...

void	can_global_send_transfer_cmd (Can *p_can, uint8_t uc_mask)
	Send global transfer request. More...

uint32_t	can_init (Can *p_can, uint32_t ul_mck, uint32_t ul_baudrate)
	Initialize CAN controller. More...

uint32_t	can_mailbox_get_status (Can *p_can, uint8_t uc_index)
	Get status of the mailbox. More...

void	can_mailbox_init (Can p_can, can_mb_conf_t p_mailbox)
	Initialize the mailbox in different mode and set up related configuration. More...

uint32_t	can_mailbox_read (Can p_can, can_mb_conf_t p_mailbox)
	Read receive information for the mailbox. More...

void	can_mailbox_send_abort_cmd (Can p_can, can_mb_conf_t p_mailbox)
	Send single mailbox abort request. More...

void	can_mailbox_send_transfer_cmd (Can p_can, can_mb_conf_t p_mailbox)
	Send single mailbox transfer request. More...

void	can_mailbox_set_timemark (Can *p_can, uint8_t uc_index, uint16_t us_cnt)
	Configure the timemark for the mailbox. More...

uint32_t	can_mailbox_tx_remote_frame (Can p_can, can_mb_conf_t p_mailbox)
	Require to send out a remote frame. More...

uint32_t	can_mailbox_write (Can p_can, can_mb_conf_t p_mailbox)
	Prepare transmit information and write them into the mailbox. More...

void	can_reset_all_mailbox (Can *p_can)
	Reset the eight mailboxes. More...

void	can_reset_internal_timer (Can *p_can)
	Reset the internal free-running 16-bit timer. More...

void	can_set_rx_sync_stage (Can *p_can, uint32_t ul_stage)

void	can_set_timestamp_capture_point (Can *p_can, uint32_t ul_flag)
	Configure the timestamp capture point, at the start or the end of frame. More...

#define CAN_BPS_1000K 1000

Define the typical baudrate for CAN communication in KHz.

Referenced by run_can_test().

#define CAN_BPS_10K 10

#define CAN_BPS_125K 125

#define CAN_BPS_250K 250

#define CAN_BPS_25K 25

#define CAN_BPS_500K 500

#define CAN_BPS_50K 50

#define CAN_BPS_5K 5

#define CAN_BPS_800K 800

#define CAN_DISABLE_ALL_INTERRUPT_MASK 0xffffffff

Disable all interrupt mask.

Referenced by run_can_test().

#define CAN_MAILBOX_NOT_READY 0x01

Receiver is empty or transmitter is busy.

Referenced by can_mailbox_tx_remote_frame(), and can_mailbox_write().

#define CAN_MAILBOX_RX_NEED_RD_AGAIN 0x04

Application needs to re-read the data register in Receive with Overwrite mode.

Referenced by can_mailbox_read().

#define CAN_MAILBOX_RX_OVER 0x02

Message overwriting happens or there're messages lost in different receive modes.

Referenced by can_mailbox_read().

#define CAN_MAILBOX_TRANSFER_OK 0

Define CAN mailbox transfer status code.

Read from or write into mailbox successfully.

Referenced by can_mailbox_read(), can_mailbox_tx_remote_frame(), and can_mailbox_write().

#define CAN_MB_CONSUMER_MODE 4

#define CAN_MB_DISABLE_MODE 0

Define the mailbox mode.

Referenced by can_reset_all_mailbox().

#define CAN_MB_PRODUCER_MODE 5

Referenced by run_can_test().

#define CAN_MB_RX_MODE 1

Referenced by run_can_test().

#define CAN_MB_RX_OVER_WR_MODE 2

#define CAN_MB_TX_MODE 3

Referenced by run_can_test().

#define GLOBAL_MAILBOX_MASK 0x000000ff

Define the Mailbox mask for eight mailboxes.

Referenced by CAN0_Handler(), can_global_send_abort_cmd(), and can_global_send_transfer_cmd().

Microchip® Advanced Software Framework

Data Structures

Macros

Functions