#include "hpm_mcan_drv.h"
#include <string.h>
#include <assert.h>

Data Structures
struct	mcan_bit_timing_table_struct
	MCAN bit timing table. More...

Macros
#define	MCAN_CAN_BAUDRATE_DEFAULT (500UL * 1000UL)

#define	MCAN_CANFD_BAUDRATE_DEFAULT (2UL * 1000UL * 1000UL)

#define	MCAN_STD_FILTER_ELEM_CNT_MAX (128U)

#define	MCAN_EXT_FILTER_ELEM_CNT_MAX (64U)

#define	MCAN_RXFIFO_ELEM_CNT_MAX (64U)

#define	MCAN_RXBUF_ELEM_CNT_MAX (64U)

#define	MCAN_TXEVT_FIFO_ELEM_CNT_MAX (32U)

#define	MCAN_TXBUF_ELEM_CNT_MAX (32U)

#define	NUM_TQ_SYNC_SEG (1U)

#define	TSEG1_MIN_FOR_CAN2_0 (2U)
	CAN2.0 Timing related definitions. More...

#define	TSEG1_MAX_FOR_CAN2_0 (256U)

#define	TSEG2_MIN_FOR_CAN2_0 (2U)

#define	TSEG2_MAX_FOR_CAN2_0 (128U)

#define	TSJW_MIN_FOR_CAN2_0 (1U)

#define	TSJW_MAX_FOR_CAN2_0 (128U)

#define	PRESCALER_MIN_FOR_CAN2_0 (1U)

#define	PRESCALER_MAX_FOR_CAN2_0 (512U)

#define	NUM_TQ_MIN_FOR_CAN2_0 (8U)

#define	NUM_TQ_MAX_FOR_CAN2_0 (TSEG1_MAX_FOR_CAN2_0 + TSEG2_MAX_FOR_CAN2_0)

#define	TSEG1_MIN_FOR_CANFD_NOMINAL (2U)
	CANFD Nominal Timing related definitions. More...

#define	TSEG1_MAX_FOR_CANFD_NOMINAL (256U)

#define	TSEG2_MIN_FOR_CANFD_NOMINAL (1U)

#define	TSEG2_MAX_FOR_CANFD_NOMINAL (32U)

#define	TSJW_MIN_FOR_CANFD_NOMINAL (1U)

#define	TSJW_MAX_FOR_CANFD_NOMINAL (128U)

#define	NUM_TQ_MIN_FOR_CANFD_NOMINAL (8U)

#define	NUM_TQ_MAX_FOR_CANFD_NOMINAL (TSEG1_MAX_FOR_CANFD_NOMINAL + TSEG2_MAX_FOR_CANFD_NOMINAL)

#define	PRESCALER_MIN_FOR_CANFD_NOMINAL (1U)

#define	PRESCALER_MAX_FOR_CANFD_NOMINAL (512U)

#define	TSEG1_MIN_FOR_CANFD_DATA (2U)
	CANFD Data Timing related definitions. More...

#define	TSEG1_MAX_FOR_CANFD_DATA (31U)

#define	TSEG2_MIN_FOR_CANFD_DATA (0U)

#define	TSEG2_MAX_FOR_CANFD_DATA (15U)

#define	TSJW_MIN_FOR_CANFD_DATA (0U)

#define	TSJW_MAX_FOR_CANFD_DATA (15U)

#define	PRESCALER_MIN_FOR_CANFD_DATA (1U)

#define	PRESCALER_MAX_FOR_CANFD_DATA (32U)

#define	NUM_TQ_MIN_FOR_CANFD_DATA (8U)

#define	NUM_TQ_MAX_FOR_CANFD_DATA (TSEG1_MAX_FOR_CANFD_DATA + TSEG2_MAX_FOR_CANFD_DATA)

#define	MIN_TQ_MUL_PRESCALE (8U)

#define	NUM_PRESCALE_MAX (256U)

#define	CAN_SAMPLEPOINT_MIN (750U)

#define	CAN_SAMPLEPOINT_MAX (875U)

#define	MCAN_RAM_ADDR_INVALID ((1UL << 16) - 1U)

#define	MCAN_MAX_TDC_OFFSET ((uint32_t)(MCAN_TDCR_TDCO_MASK >> MCAN_TDCR_TDCO_SHIFT))

#define	MCAN_MAX_TDC_FILTER_WIN ((uint32_t)(MCAN_TDCR_TDCF_MASK >> MCAN_TDCR_TDCF_SHIFT))

Typedefs
typedef struct mcan_bit_timing_table_struct	mcan_bit_timing_table_t
	MCAN bit timing table. More...

Functions
static void	mcan_set_can_nominal_bit_timing (MCAN_Type ptr, const mcan_bit_timing_param_t bit_timing)
	Set Nominal Bit timing. More...

static void	mcan_set_can_data_bit_timing (MCAN_Type ptr, const mcan_bit_timing_param_t bit_timing)
	Set CANFD Data Bit timing. More...

static uint32_t	mcan_find_optimal_prescaler (uint32_t num_tq_mul_prescaler, uint32_t start_prescaler, uint32_t max_tq, uint32_t min_tq)
	Calculate the closest prescaler. More...

static hpm_stat_t	mcan_calc_bit_timing_from_baudrate (uint32_t src_clk_freq, mcan_bit_timing_option_t option, uint32_t baudrate, uint16_t samplepoint_min, uint16_t samplepoint_max, mcan_bit_timing_param_t *timing_param)
	Calculate Bit timing from baudrate. More...

static hpm_stat_t	mcan_set_bit_timing_from_baudrate (MCAN_Type *ptr, mcan_bit_timing_option_t option, uint32_t src_clk_freq, uint32_t baudrate, uint16_t samplepoint_min, uint16_t samplepoint_max)
	Set MCAN bit timing from Baudrate. More...

static hpm_stat_t	mcan_set_tsu (MCAN_Type ptr, mcan_tsu_config_t config)
	Configure MCAN TSU. More...

static hpm_stat_t	mcan_set_internal_timestamp (MCAN_Type ptr, mcan_internal_timestamp_config_t config)
	Configure MCAN internal timestamp. More...

static bool	is_mcan_bit_timing_param_valid (mcan_bit_timing_option_t option, const mcan_bit_timing_param_t *param)
	Check whether the MCAN bit timing parameter is valid. More...

void	mcan_get_default_ram_config (MCAN_Type ptr, mcan_ram_config_t simple_config, bool enable_canfd)
	Get Default MCAN RAM configuration If the device is configured as classic CAN node, the default CAN RAM settings are as below: More...

void	mcan_get_default_ram_flexible_config (MCAN_Type ptr, mcan_ram_flexible_config_t ram_config, bool enable_canfd)
	Get Default Full MCAN RAM configuration If the device is configured as classic CAN node, the default CAN RAM settings are as below: More...

void	mcan_get_default_config (MCAN_Type ptr, mcan_config_t config)
	Get Default CAN configuration. More...

static void	mcan_config_rxfifo (MCAN_Type *ptr, uint32_t index, uint32_t reg_val)

hpm_stat_t	mcan_config_ram (MCAN_Type ptr, mcan_ram_config_t config)
	Configure MCAN RAM will Simplified RAM configuration. More...

hpm_stat_t	mcan_config_ram_with_flexible_config (MCAN_Type ptr, mcan_ram_flexible_config_t config)
	Configure MCAN RAM will Full RAM configuration. More...

hpm_stat_t	mcan_config_all_filters (MCAN_Type ptr, mcan_all_filters_config_t config)
	Configure All CAN filters. More...

hpm_stat_t	mcan_init (MCAN_Type ptr, mcan_config_t config, uint32_t src_clk_freq)
	Initialize CAN controller. More...

void	mcan_deinit (MCAN_Type *ptr)
	De-Initialize CAN controller. More...

hpm_stat_t	mcan_set_filter_element (MCAN_Type ptr, const mcan_filter_elem_t filter_elem, uint32_t index)
	Set CAN filter element. More...

static uint32_t	mcan_get_rxfifo0_base (MCAN_Type *ptr)

static uint32_t	mcan_get_rxfifo1_base (MCAN_Type *ptr)

static uint32_t	mcan_get_rxbuf_elem_addr (MCAN_Type *ptr, uint32_t index)

static uint32_t	mcan_get_txbuf_elem_addr (MCAN_Type *ptr, uint32_t index)

uint8_t	mcan_get_message_size_from_dlc (uint8_t dlc)
	Get message Size from Data Length Code. More...

uint8_t	mcan_get_data_field_size (uint8_t data_field_size_option)
	Get the Data field size from data field size option. More...

hpm_stat_t	mcan_write_txbuf (MCAN_Type ptr, uint32_t index, mcan_tx_frame_t tx_frame)
	Write Frame to CAN TX Buffer. More...

hpm_stat_t	mcan_write_txfifo (MCAN_Type ptr, mcan_tx_frame_t tx_frame)
	Write Frame CAN to TXFIFO. More...

hpm_stat_t	mcan_read_rxbuf (MCAN_Type ptr, uint32_t index, mcan_rx_message_t rx_frame)
	Read message from CAN RXBUF. More...

hpm_stat_t	mcan_read_rxfifo (MCAN_Type ptr, uint32_t fifo_index, mcan_rx_message_t rx_frame)
	Read message from CAN RXBUF. More...

hpm_stat_t	mcan_read_tx_evt_fifo (MCAN_Type ptr, mcan_tx_event_fifo_elem_t tx_evt)
	Read TX Event from CAN TX EVENT FIFO. More...

hpm_stat_t	mcan_transmit_via_txbuf_nonblocking (MCAN_Type ptr, uint32_t index, mcan_tx_frame_t tx_frame)
	Transmit CAN message via TX in non-blocking way. More...

hpm_stat_t	mcan_transmit_blocking (MCAN_Type ptr, mcan_tx_frame_t tx_frame)
	Transmit CAN message in blocking way. More...

hpm_stat_t	mcan_request_and_fill_txfifo (MCAN_Type ptr, mcan_tx_frame_t tx_frame, uint32_t *fifo_index)
	Request TXFIFO and fill data into TXFIFO. More...

hpm_stat_t	mcan_transmit_via_txfifo_nonblocking (MCAN_Type ptr, mcan_tx_frame_t tx_frame, uint32_t *fifo_index)
	Transmit CAN message via TX FIFO in non-blocking way. More...

hpm_stat_t	mcan_receive_from_buf_blocking (MCAN_Type ptr, uint32_t index, mcan_rx_message_t rx_frame)
	Receive CAN Frame from RXBUF in blocking way. More...

hpm_stat_t	mcan_receive_from_fifo_blocking (MCAN_Type ptr, uint32_t fifo_index, mcan_rx_message_t rx_frame)
	Receive CAN Frame from RXFIFO in blocking way. More...

void	mcan_get_high_priority_message_status (MCAN_Type ptr, mcan_high_priority_message_status_t status)
	Get High Priority Message Status. More...

hpm_stat_t	mcan_set_global_filter_config (MCAN_Type ptr, mcan_global_filter_config_t filter_config)
	Configure Global Filter. More...

hpm_stat_t	mcan_config_transmitter_delay_compensation (MCAN_Type ptr, mcan_tdc_config_t config)
	Configure Transmitter Delay Compensation. More...

uint32_t	mcan_read_32bit_tsu_timestamp (MCAN_Type *ptr, uint32_t index)
	Read 32bit Timestamp value from TSU. More...

uint64_t	mcan_read_64bit_tsu_timestamp (MCAN_Type *ptr, uint32_t index)
	Read 64bit Timestamp value from TSU. More...

hpm_stat_t	mcan_get_timestamp_from_tx_event (MCAN_Type ptr, const mcan_tx_event_fifo_elem_t tx_evt, mcan_timestamp_value_t *timestamp)
	Get Timestamp from MCAN TX Event. More...

hpm_stat_t	mcan_get_timestamp_from_received_message (MCAN_Type ptr, const mcan_rx_message_t rx_msg, mcan_timestamp_value_t *timestamp)
	Get Timestamp from MCAN RX frame. More...

hpm_stat_t	mcan_parse_protocol_status (uint32_t psr, mcan_protocol_status_t *protocol_status)
	Parse the Protocol Status register value. More...

hpm_stat_t	mcan_get_protocol_status (MCAN_Type ptr, mcan_protocol_status_t protocol_status)
	Get MCAN Protocol Status. More...

Variables
static const mcan_bit_timing_table_t	k_mcan_bit_timing_tbl [3]

static const mcan_filter_elem_t	k_default_std_id_filter

static const mcan_filter_elem_t	k_default_ext_id_filter

Macro Definition Documentation

◆ CAN_SAMPLEPOINT_MAX

#define CAN_SAMPLEPOINT_MAX (875U)

◆ CAN_SAMPLEPOINT_MIN

#define CAN_SAMPLEPOINT_MIN (750U)

◆ MCAN_CAN_BAUDRATE_DEFAULT

#define MCAN_CAN_BAUDRATE_DEFAULT (500UL * 1000UL)

Default CAN2.0 baudrate:500 kbps

◆ MCAN_CANFD_BAUDRATE_DEFAULT

#define MCAN_CANFD_BAUDRATE_DEFAULT (2UL * 1000UL * 1000UL)

Default CANFD baudrate: 2 Mbps

◆ MCAN_EXT_FILTER_ELEM_CNT_MAX

#define MCAN_EXT_FILTER_ELEM_CNT_MAX (64U)

◆ MCAN_MAX_TDC_FILTER_WIN

#define MCAN_MAX_TDC_FILTER_WIN ((uint32_t)(MCAN_TDCR_TDCF_MASK >> MCAN_TDCR_TDCF_SHIFT))

◆ MCAN_MAX_TDC_OFFSET

#define MCAN_MAX_TDC_OFFSET ((uint32_t)(MCAN_TDCR_TDCO_MASK >> MCAN_TDCR_TDCO_SHIFT))

◆ MCAN_RAM_ADDR_INVALID

#define MCAN_RAM_ADDR_INVALID ((1UL << 16) - 1U)

◆ MCAN_RXBUF_ELEM_CNT_MAX

#define MCAN_RXBUF_ELEM_CNT_MAX (64U)

◆ MCAN_RXFIFO_ELEM_CNT_MAX

#define MCAN_RXFIFO_ELEM_CNT_MAX (64U)

◆ MCAN_STD_FILTER_ELEM_CNT_MAX

#define MCAN_STD_FILTER_ELEM_CNT_MAX (128U)

◆ MCAN_TXBUF_ELEM_CNT_MAX

#define MCAN_TXBUF_ELEM_CNT_MAX (32U)

◆ MCAN_TXEVT_FIFO_ELEM_CNT_MAX

#define MCAN_TXEVT_FIFO_ELEM_CNT_MAX (32U)

◆ MIN_TQ_MUL_PRESCALE

#define MIN_TQ_MUL_PRESCALE (8U)

◆ NUM_PRESCALE_MAX

#define NUM_PRESCALE_MAX (256U)

◆ NUM_TQ_MAX_FOR_CAN2_0

#define NUM_TQ_MAX_FOR_CAN2_0 (TSEG1_MAX_FOR_CAN2_0 + TSEG2_MAX_FOR_CAN2_0)

◆ NUM_TQ_MAX_FOR_CANFD_DATA

#define NUM_TQ_MAX_FOR_CANFD_DATA (TSEG1_MAX_FOR_CANFD_DATA + TSEG2_MAX_FOR_CANFD_DATA)

◆ NUM_TQ_MAX_FOR_CANFD_NOMINAL

#define NUM_TQ_MAX_FOR_CANFD_NOMINAL (TSEG1_MAX_FOR_CANFD_NOMINAL + TSEG2_MAX_FOR_CANFD_NOMINAL)

◆ NUM_TQ_MIN_FOR_CAN2_0

#define NUM_TQ_MIN_FOR_CAN2_0 (8U)

◆ NUM_TQ_MIN_FOR_CANFD_DATA

#define NUM_TQ_MIN_FOR_CANFD_DATA (8U)

◆ NUM_TQ_MIN_FOR_CANFD_NOMINAL

#define NUM_TQ_MIN_FOR_CANFD_NOMINAL (8U)

◆ NUM_TQ_SYNC_SEG

#define NUM_TQ_SYNC_SEG (1U)

◆ PRESCALER_MAX_FOR_CAN2_0

#define PRESCALER_MAX_FOR_CAN2_0 (512U)

◆ PRESCALER_MAX_FOR_CANFD_DATA

#define PRESCALER_MAX_FOR_CANFD_DATA (32U)

◆ PRESCALER_MAX_FOR_CANFD_NOMINAL

#define PRESCALER_MAX_FOR_CANFD_NOMINAL (512U)

◆ PRESCALER_MIN_FOR_CAN2_0

#define PRESCALER_MIN_FOR_CAN2_0 (1U)

◆ PRESCALER_MIN_FOR_CANFD_DATA

#define PRESCALER_MIN_FOR_CANFD_DATA (1U)

◆ PRESCALER_MIN_FOR_CANFD_NOMINAL

#define PRESCALER_MIN_FOR_CANFD_NOMINAL (1U)

◆ TSEG1_MAX_FOR_CAN2_0

#define TSEG1_MAX_FOR_CAN2_0 (256U)

◆ TSEG1_MAX_FOR_CANFD_DATA

#define TSEG1_MAX_FOR_CANFD_DATA (31U)

◆ TSEG1_MAX_FOR_CANFD_NOMINAL

#define TSEG1_MAX_FOR_CANFD_NOMINAL (256U)

◆ TSEG1_MIN_FOR_CAN2_0

#define TSEG1_MIN_FOR_CAN2_0 (2U)

CAN2.0 Timing related definitions.

◆ TSEG1_MIN_FOR_CANFD_DATA

#define TSEG1_MIN_FOR_CANFD_DATA (2U)

CANFD Data Timing related definitions.

◆ TSEG1_MIN_FOR_CANFD_NOMINAL

#define TSEG1_MIN_FOR_CANFD_NOMINAL (2U)

CANFD Nominal Timing related definitions.

◆ TSEG2_MAX_FOR_CAN2_0

#define TSEG2_MAX_FOR_CAN2_0 (128U)

◆ TSEG2_MAX_FOR_CANFD_DATA

#define TSEG2_MAX_FOR_CANFD_DATA (15U)

◆ TSEG2_MAX_FOR_CANFD_NOMINAL

#define TSEG2_MAX_FOR_CANFD_NOMINAL (32U)

◆ TSEG2_MIN_FOR_CAN2_0

#define TSEG2_MIN_FOR_CAN2_0 (2U)

◆ TSEG2_MIN_FOR_CANFD_DATA

#define TSEG2_MIN_FOR_CANFD_DATA (0U)

◆ TSEG2_MIN_FOR_CANFD_NOMINAL

#define TSEG2_MIN_FOR_CANFD_NOMINAL (1U)

◆ TSJW_MAX_FOR_CAN2_0

#define TSJW_MAX_FOR_CAN2_0 (128U)

◆ TSJW_MAX_FOR_CANFD_DATA

#define TSJW_MAX_FOR_CANFD_DATA (15U)

◆ TSJW_MAX_FOR_CANFD_NOMINAL

#define TSJW_MAX_FOR_CANFD_NOMINAL (128U)

◆ TSJW_MIN_FOR_CAN2_0

#define TSJW_MIN_FOR_CAN2_0 (1U)

◆ TSJW_MIN_FOR_CANFD_DATA

#define TSJW_MIN_FOR_CANFD_DATA (0U)

◆ TSJW_MIN_FOR_CANFD_NOMINAL

#define TSJW_MIN_FOR_CANFD_NOMINAL (1U)

Typedef Documentation

◆ mcan_bit_timing_table_t

typedef struct mcan_bit_timing_table_struct mcan_bit_timing_table_t

MCAN bit timing table.

Function Documentation

◆ is_mcan_bit_timing_param_valid()

static bool is_mcan_bit_timing_param_valid	(	mcan_bit_timing_option_t	option,
		const mcan_bit_timing_param_t *	param
	)

static

Check whether the MCAN bit timing parameter is valid.

Parameters

[in]	option	MCAN bit timing option
[in]	param	MCAN bit timing parameter

Return values

true	MCAN bit timing parameter is valid
false	MCAN bit timing parameter is invalid

◆ mcan_calc_bit_timing_from_baudrate()

static hpm_stat_t mcan_calc_bit_timing_from_baudrate	(	uint32_t	src_clk_freq,
		mcan_bit_timing_option_t	option,
		uint32_t	baudrate,
		uint16_t	samplepoint_min,
		uint16_t	samplepoint_max,
		mcan_bit_timing_param_t *	timing_param
	)

static

Calculate Bit timing from baudrate.

Parameters

[in]	src_clk_freq	CAN IP clock used for generating bit timing
[in]	option	CAN bit timing option
[in]	baudrate	CAN baudrate in bps
[in]	samplepoint_min	Minimum sample point, value = actual sample point * 1000
[in]	samplepoint_max	Maximum sample point, value = actual sample point * 1000
[out]	timing_param	Calculated Bit timing parameter

Return values

status_success	if no errors happened
status_invalid_argument	if the timing parameters cannot be calculated from specified baudrate

◆ mcan_config_rxfifo()

static void mcan_config_rxfifo	(	MCAN_Type *	ptr,
		uint32_t	index,
		uint32_t	reg_val
	)

static

◆ mcan_find_optimal_prescaler()

static uint32_t mcan_find_optimal_prescaler	(	uint32_t	num_tq_mul_prescaler,
		uint32_t	start_prescaler,
		uint32_t	max_tq,
		uint32_t	min_tq
	)

static

Calculate the closest prescaler.

Parameters

[in]	num_tq_mul_prescaler	Number of TQ * Prescaler
[in]	start_prescaler	Start of Prescaler value
[in]	max_tq	Maximum Timing Quantum
[in]	min_tq	Minimum Timing Quantum

Returns: Calculated prescaler value

◆ mcan_get_rxbuf_elem_addr()

static uint32_t mcan_get_rxbuf_elem_addr	(	MCAN_Type *	ptr,
		uint32_t	index
	)

static

◆ mcan_get_rxfifo0_base()

static uint32_t mcan_get_rxfifo0_base ( MCAN_Type * ptr )

static

◆ mcan_get_rxfifo1_base()

static uint32_t mcan_get_rxfifo1_base ( MCAN_Type * ptr )

static

◆ mcan_get_txbuf_elem_addr()

static uint32_t mcan_get_txbuf_elem_addr	(	MCAN_Type *	ptr,
		uint32_t	index
	)

static

◆ mcan_set_bit_timing_from_baudrate()

static hpm_stat_t mcan_set_bit_timing_from_baudrate	(	MCAN_Type *	ptr,
		mcan_bit_timing_option_t	option,
		uint32_t	src_clk_freq,
		uint32_t	baudrate,
		uint16_t	samplepoint_min,
		uint16_t	samplepoint_max
	)

static

Set MCAN bit timing from Baudrate.

Parameters

[in]	ptr	MCAN base
[in]	option	MCAN bit timing option
[in]	src_clk_freq	CAN IP clock used for generating bit timing
[in]	baudrate	Baudrate in bps
[in]	samplepoint_min	Minimum sample point, value = actual sample point * 1000
[in]	samplepoint_max	Maximum sample point, value = actual sample point * 1000

Return values

status_success	if no errors happened
status_invalid_argument	if the timing parameters cannot be calculated from specified baudrate

◆ mcan_set_can_data_bit_timing()

static void mcan_set_can_data_bit_timing	(	MCAN_Type *	ptr,
		const mcan_bit_timing_param_t *	bit_timing
	)

static

Set CANFD Data Bit timing.

Parameters

[in]	ptr	MCAN base
[in]	bit_timing	Bit timing parameter

◆ mcan_set_can_nominal_bit_timing()

static void mcan_set_can_nominal_bit_timing	(	MCAN_Type *	ptr,
		const mcan_bit_timing_param_t *	bit_timing
	)

static

Set Nominal Bit timing.

Parameters

[in]	ptr	MCAN base
[in]	bit_timing	Bit timing parameter

◆ mcan_set_internal_timestamp()

static hpm_stat_t mcan_set_internal_timestamp	(	MCAN_Type *	ptr,
		mcan_internal_timestamp_config_t *	config
	)

static

Configure MCAN internal timestamp.

Parameters

[in]	ptr	MCAN base
[in]	config	Internal Timestamp Configuration

Return values

status_success	if no errors happened
status_invalid_argument	if any parameters are invalid

◆ mcan_set_tsu()

static hpm_stat_t mcan_set_tsu	(	MCAN_Type *	ptr,
		mcan_tsu_config_t *	config
	)

static

Configure MCAN TSU.

Parameters

[in]	ptr	MCAN base
[in]	config	TSU configuration

Return values

status_success	if no errors happened
status_invalid_argument	if any parameters are invalid

Variable Documentation

◆ k_default_ext_id_filter

const mcan_filter_elem_t k_default_ext_id_filter

static

Initial value:

= {
    
    .filter_type = MCAN_FILTER_TYPE_CLASSIC_FILTER,
    
    .filter_config = MCAN_FILTER_ELEM_CFG_STORE_IN_RX_FIFO0_IF_MATCH,
    
    .can_id_type = MCAN_CAN_ID_TYPE_EXTENDED,
    
    .sync_message = 0,
    
    .filter_id = 0,
    
    .filter_mask = 0x1FFFFFFFUL,
}

◆ k_default_std_id_filter

const mcan_filter_elem_t k_default_std_id_filter

static

Initial value:

= {
    
    .filter_type = MCAN_FILTER_TYPE_CLASSIC_FILTER,
    
    .filter_config = MCAN_FILTER_ELEM_CFG_STORE_IN_RX_FIFO0_IF_MATCH,
    
    .can_id_type = MCAN_CAN_ID_TYPE_STANDARD,
    
    .sync_message = 0U,
    
    .filter_id = 0U,
    
    .filter_mask = 0x7FFU,
}

◆ k_mcan_bit_timing_tbl

const mcan_bit_timing_table_t k_mcan_bit_timing_tbl[3]

static

Initial value:

= {
    
    {
        
        .tq_min =  (8U) , .tq_max =  ( (256U)  +  (128U) ) ,
        
        .seg1_min =  (2U) , .seg1_max =  (256U) ,
        
        .seg2_min =  (2U) , .seg2_max =  (128U) ,
        
        .sjw_min =  (1U) , .sjw_max =  (128U) , .min_diff_seg1_minus_seg2 = 2,
        
        .prescaler_min =  (1U) , .prescaler_max =  (512U) ,
    },
    
    {
        
        .tq_min =  (8U) , .tq_max =  ( (256U)  +  (32U) ) ,
        
        .seg1_min =  (2U) , .seg1_max =  (256U) ,
        
        .seg2_min =  (1U) , .seg2_max =  (32U) ,
        
        .sjw_min =  (1U) , .sjw_max =  (128U) , .min_diff_seg1_minus_seg2 = 2,
        
        .prescaler_min =  (1U) , .prescaler_max =  (512U) 
    },
    
    {
        
        .tq_min =  (8U) , .tq_max =  ( (31U)  +  (15U) ) ,
        
        .seg1_min =  (2U) , .seg1_max =  (31U) ,
        
        .seg2_min =  (0U) , .seg2_max =  (15U) ,
        
        .sjw_min =  (0U) , .sjw_max =  (15U) , .min_diff_seg1_minus_seg2 = 1,
        
        .prescaler_min =  (1U) , .prescaler_max =  (32U) 
    }
}

Data Structures

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

◆ CAN_SAMPLEPOINT_MAX

◆ CAN_SAMPLEPOINT_MIN

◆ MCAN_CAN_BAUDRATE_DEFAULT

◆ MCAN_CANFD_BAUDRATE_DEFAULT

◆ MCAN_EXT_FILTER_ELEM_CNT_MAX

◆ MCAN_MAX_TDC_FILTER_WIN

◆ MCAN_MAX_TDC_OFFSET

◆ MCAN_RAM_ADDR_INVALID

◆ MCAN_RXBUF_ELEM_CNT_MAX

◆ MCAN_RXFIFO_ELEM_CNT_MAX

◆ MCAN_STD_FILTER_ELEM_CNT_MAX

◆ MCAN_TXBUF_ELEM_CNT_MAX

◆ MCAN_TXEVT_FIFO_ELEM_CNT_MAX

◆ MIN_TQ_MUL_PRESCALE

◆ NUM_PRESCALE_MAX

◆ NUM_TQ_MAX_FOR_CAN2_0

◆ NUM_TQ_MAX_FOR_CANFD_DATA

◆ NUM_TQ_MAX_FOR_CANFD_NOMINAL

◆ NUM_TQ_MIN_FOR_CAN2_0

◆ NUM_TQ_MIN_FOR_CANFD_DATA

◆ NUM_TQ_MIN_FOR_CANFD_NOMINAL

◆ NUM_TQ_SYNC_SEG

◆ PRESCALER_MAX_FOR_CAN2_0

◆ PRESCALER_MAX_FOR_CANFD_DATA

◆ PRESCALER_MAX_FOR_CANFD_NOMINAL

◆ PRESCALER_MIN_FOR_CAN2_0

◆ PRESCALER_MIN_FOR_CANFD_DATA

◆ PRESCALER_MIN_FOR_CANFD_NOMINAL

◆ TSEG1_MAX_FOR_CAN2_0

◆ TSEG1_MAX_FOR_CANFD_DATA

◆ TSEG1_MAX_FOR_CANFD_NOMINAL

◆ TSEG1_MIN_FOR_CAN2_0

◆ TSEG1_MIN_FOR_CANFD_DATA

◆ TSEG1_MIN_FOR_CANFD_NOMINAL

◆ TSEG2_MAX_FOR_CAN2_0

◆ TSEG2_MAX_FOR_CANFD_DATA

◆ TSEG2_MAX_FOR_CANFD_NOMINAL

◆ TSEG2_MIN_FOR_CAN2_0

◆ TSEG2_MIN_FOR_CANFD_DATA

◆ TSEG2_MIN_FOR_CANFD_NOMINAL

◆ TSJW_MAX_FOR_CAN2_0

◆ TSJW_MAX_FOR_CANFD_DATA

◆ TSJW_MAX_FOR_CANFD_NOMINAL

◆ TSJW_MIN_FOR_CAN2_0

◆ TSJW_MIN_FOR_CANFD_DATA

◆ TSJW_MIN_FOR_CANFD_NOMINAL

Typedef Documentation

◆ mcan_bit_timing_table_t

Function Documentation

◆ is_mcan_bit_timing_param_valid()

◆ mcan_calc_bit_timing_from_baudrate()

◆ mcan_config_rxfifo()

◆ mcan_find_optimal_prescaler()

◆ mcan_get_rxbuf_elem_addr()

◆ mcan_get_rxfifo0_base()

◆ mcan_get_rxfifo1_base()

◆ mcan_get_txbuf_elem_addr()

◆ mcan_set_bit_timing_from_baudrate()

◆ mcan_set_can_data_bit_timing()

◆ mcan_set_can_nominal_bit_timing()

◆ mcan_set_internal_timestamp()

◆ mcan_set_tsu()

Variable Documentation

◆ k_default_ext_id_filter

◆ k_default_std_id_filter

◆ k_mcan_bit_timing_tbl