can.h File Reference
Definitions high-level CAN interface. More...
Detailed Description
Definitions high-level CAN interface.
Definition in file can.h.
#include <stdint.h>
Include dependency graph for can.h: This graph shows which files directly or indirectly include this file:Go to the source code of this file.
Data Structures | |
| struct | can_frame |
| Controller Area Network frame. More... | |
| struct | can_filter |
| Controller Area Network filter. More... | |
| struct | can_bittiming |
| CAN bit-timing parameters. More... | |
| struct | can_bittiming_const |
| CAN hardware-dependent bit-timing constant. More... | |
Typedefs | |
| typedef uint32_t | canid_t |
| Controller Area Network Identifier structure. More... | |
| typedef struct can_frame | can_frame_t |
| CAN frame. | |
Enumerations | |
| enum | can_state { CAN_STATE_ERROR_ACTIVE = 0 , CAN_STATE_ERROR_WARNING , CAN_STATE_ERROR_PASSIVE , CAN_STATE_BUS_OFF , CAN_STATE_STOPPED , CAN_STATE_SLEEPING , CAN_STATE_MAX } |
| CAN operational and error states. More... | |
| #define | CAN_MAX_DLEN (8) |
| Max data length for classic and FD CAN frames (compliant with libsocketcan macros) More... | |
| #define | CANFD_MAX_DLEN (64) |
| CAN FD maximum data length. | |
CAN_ID flags and masks | |
| #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 | |
CAN FD flags extracted from libsocketcan | |
| #define | CANFD_BRS 0x01 |
| bit rate switch (second bitrate for payload data) | |
| #define | CANFD_ESI 0x02 |
| error state indicator of the transmitting node | |
| #define | CANFD_FDF 0x04 |
| mark CAN FD for dual use of struct canfd_frame | |
