Header layout reported for a received CAN FD frame. More...

#include <can.h>

Data Fields
union {
struct {
uint32_t frame_type:2
uint32_t is_extended:1
uint32_t is_rtr:1
uint32_t status:10
uint32_t dlc:11
uint32_t id_0_6:7
uint32_t id_7_10:4
uint32_t ext_id:18
uint32_t reserved_53_55:3
uint32_t crc_0_6:7
uint32_t crc_7_20:14
uint32_t sbc:4
uint32_t ide:1
uint32_t esi:1
uint32_t brs:1
uint32_t reserved_85_95:11
uint32_t reserved_96_127
uint32_t timestamp_low
uint32_t timestamp_high
}
};

Detailed Description

Header layout reported for a received CAN FD frame.

The bitfield layout matches the hardware RX descriptor format exactly.

Field Documentation

◆ frame_type

uint32_t can_rx_fd_header_t::frame_type

Frame type

◆ is_extended

uint32_t can_rx_fd_header_t::is_extended

Extended identifier flag

◆ is_rtr

uint32_t can_rx_fd_header_t::is_rtr

Remote transmission request

◆ status

uint32_t can_rx_fd_header_t::status

Frame status

◆ dlc

uint32_t can_rx_fd_header_t::dlc

Data length code

◆ id_0_6

uint32_t can_rx_fd_header_t::id_0_6

Identifier bits 0-6

◆ id_7_10

uint32_t can_rx_fd_header_t::id_7_10

Identifier bits 7-10

◆ ext_id

uint32_t can_rx_fd_header_t::ext_id

Extended identifier

◆ reserved_53_55

uint32_t can_rx_fd_header_t::reserved_53_55

Reserved bits 53-55

◆ crc_0_6

uint32_t can_rx_fd_header_t::crc_0_6

CRC bits 0-6

◆ crc_7_20

uint32_t can_rx_fd_header_t::crc_7_20

CRC bits 7-20

◆ sbc

uint32_t can_rx_fd_header_t::sbc

Stuff bit count

◆ ide

uint32_t can_rx_fd_header_t::ide

Identifier extension

◆ esi

uint32_t can_rx_fd_header_t::esi

Error state indicator

◆ brs

uint32_t can_rx_fd_header_t::brs

Bit rate switch

◆ reserved_85_95

uint32_t can_rx_fd_header_t::reserved_85_95

Reserved bits 85-95

◆ reserved_96_127

uint32_t can_rx_fd_header_t::reserved_96_127

Reserved bits 96-127

◆ timestamp_low

uint32_t can_rx_fd_header_t::timestamp_low

Lower 32 bits of timestamp

◆ timestamp_high

uint32_t can_rx_fd_header_t::timestamp_high

Higher 32 bits of timestamp

Data Fields