Low level device structure for ESP32 CAN (extension of candev_t) More...

Detailed Description

Low level device structure for ESP32 CAN (extension of candev_t)

STM32 CAN device descriptor.

Definition at line 60 of file can_esp.h.

#include <can_esp.h>

Data Fields
candev_t	candev
	candev base structure

canopt_state_t	state
	current state of device

struct can_frame *	tx_frame
	frame in transmission

struct can_frame	rx_frames [ESP_CAN_MAX_RX_FRAMES]
	frames received

struct can_filter	rx_filters [ESP_CAN_MAX_RX_FILTERS]
	acceptance filter list

uint32_t	rx_frames_wptr
	pointer to ring buffer for write

uint32_t	rx_frames_rptr
	pointer to ring buffer for read

uint32_t	rx_frames_num
	number of frames in ring buffer

uint32_t	rx_filter_num
	number of acceptance filters

bool	powered_up
	device is powered up

uint32_t	events
	events triggered by the last interrupt

const can_conf_t *	conf
	Configuration.

gpio_t	rx_pin
	RX pin.

gpio_t	tx_pin
	TX pin.

gpio_af_t	af
	Alternate pin function to use.

const struct can_frame *	tx_mailbox [CAN_STM32_TX_MAILBOXES]
	Tx mailboxes.

candev_stm32_rx_fifo_t	rx_fifo
	Rx FIFOs.

candev_stm32_isr_t	isr_flags
	ISR flags.

const can_frame_t *	tx_mailbox [FDCAN_STM32_TX_MAILBOXES]
	Tx mailboxes.

candev_stm32_rx_mailbox_t	rx_mailbox
	Rx mailboxes.

Field Documentation

◆ af

gpio_af_t can::af

Alternate pin function to use.

Definition at line 166 of file candev_stm32.h.

◆ candev

candev_t can::candev

candev base structure

Common candev struct.

Definition at line 61 of file can_esp.h.

◆ conf

const can_conf_t * can::conf

Configuration.

Definition at line 163 of file candev_stm32.h.

◆ events

uint32_t can::events

events triggered by the last interrupt

Definition at line 75 of file can_esp.h.

◆ isr_flags

candev_stm32_isr_t can::isr_flags

ISR flags.

Definition at line 170 of file candev_stm32.h.

◆ powered_up

bool can::powered_up

device is powered up

Definition at line 73 of file can_esp.h.

◆ rx_fifo

candev_stm32_rx_fifo_t can::rx_fifo

Rx FIFOs.

Definition at line 169 of file candev_stm32.h.

◆ rx_filter_num

uint32_t can::rx_filter_num

number of acceptance filters

Definition at line 71 of file can_esp.h.

◆ rx_filters

struct can_filter can::rx_filters[ESP_CAN_MAX_RX_FILTERS]

acceptance filter list

Definition at line 66 of file can_esp.h.

◆ rx_frames

struct can_frame can::rx_frames[ESP_CAN_MAX_RX_FRAMES]

frames received

Definition at line 65 of file can_esp.h.

◆ rx_frames_num

uint32_t can::rx_frames_num

number of frames in ring buffer

Definition at line 70 of file can_esp.h.

◆ rx_frames_rptr

uint32_t can::rx_frames_rptr

pointer to ring buffer for read

Definition at line 69 of file can_esp.h.

◆ rx_frames_wptr

uint32_t can::rx_frames_wptr

pointer to ring buffer for write

Definition at line 68 of file can_esp.h.

◆ rx_mailbox

candev_stm32_rx_mailbox_t can::rx_mailbox

Rx mailboxes.

Definition at line 405 of file fdcandev_stm32.h.

◆ rx_pin

gpio_t can::rx_pin

RX pin.

Definition at line 164 of file candev_stm32.h.

◆ state

canopt_state_t can::state

current state of device

Definition at line 62 of file can_esp.h.

◆ tx_frame

struct can_frame* can::tx_frame

frame in transmission

Definition at line 64 of file can_esp.h.

◆ tx_mailbox [1/2]

const struct can_frame* can::tx_mailbox[CAN_STM32_TX_MAILBOXES]

Tx mailboxes.

Definition at line 168 of file candev_stm32.h.

◆ tx_mailbox [2/2]

const can_frame_t* can::tx_mailbox[FDCAN_STM32_TX_MAILBOXES]