Definition of the implementation of the CAN controller driver. More...
Definition of the implementation of the CAN controller driver.
Definition in file candev_mcp2515.h.
#include <stdbool.h>
#include "can/candev.h"
#include "cpu_conf.h"
#include "periph/gpio.h"
#include "periph/spi.h"
#include "mutex.h"
Go to the source code of this file.
Data Structures | |
struct | candev_mcp2515_conf |
MCP2515 configuration descriptor. More... | |
struct | candev_mcp2515 |
MCP2515 device descriptor. More... | |
Macros | |
#define | CANDEV_MCP2515_DEFAULT_BITRATE 500000 |
Default CAN bitrate. | |
#define | CANDEV_MCP2515_DEFAULT_SPT 875 |
Default sampling point setup. | |
#define | MCP2515_TX_MAILBOXES 3 |
Number of transmit mailboxes. | |
Typedefs | |
typedef struct candev_mcp2515 | candev_mcp2515_t |
MCP2515 candev descriptor. | |
typedef struct candev_mcp2515_conf | candev_mcp2515_conf_t |
MCP2515 configuration descriptor. | |
Functions | |
void | candev_mcp2515_init (candev_mcp2515_t *dev, const candev_mcp2515_conf_t *conf) |
Initialize a mcp2515 device by assigning a timing and an SPI configuration conf . | |
Receive mailboxes and filters number | |
for RX buffers: the MCP2515 managed 6 acceptance filters in 2 mailboxes:
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#define | MCP2515_RX_MAILBOXES 2 |
#define | MCP2515_FILTERS_MB0 2 |
#define | MCP2515_FILTERS_MB1 4 |
#define | MCP2515_FILTERS (MCP2515_FILTERS_MB0 + MCP2515_FILTERS_MB1) |