Driver for the Microchip MCP2515 can controller. More...
Driver for the Microchip MCP2515 can controller.
Files | |
file | candev_mcp2515.h |
Definition of the implementation of the CAN controller driver. | |
file | mcp2515_params.h |
Parameters for the CAN driver implementation. | |
file | mcp2515.h |
Driver for the Microchip MCP2515 can controller. | |
file | mcp2515_defines.h |
Driver for the Microchip MCP2515 can controller. | |
file | mcp2515_spi.h |
Driver for the Microchip MCP2515 can controller. | |
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:
| |
#define | MCP2515_RX_MAILBOXES 2 |
#define | MCP2515_FILTERS_MB0 2 |
#define | MCP2515_FILTERS_MB1 4 |
#define | MCP2515_FILTERS (MCP2515_FILTERS_MB0 + MCP2515_FILTERS_MB1) |
#define CANDEV_MCP2515_DEFAULT_BITRATE 500000 |
Default CAN bitrate.
Definition at line 44 of file candev_mcp2515.h.
#define CANDEV_MCP2515_DEFAULT_SPT 875 |
Default sampling point setup.
Definition at line 51 of file candev_mcp2515.h.
#define MCP2515_FILTERS (MCP2515_FILTERS_MB0 + MCP2515_FILTERS_MB1) |
Definition at line 82 of file candev_mcp2515.h.
#define MCP2515_FILTERS_MB0 2 |
Definition at line 80 of file candev_mcp2515.h.
#define MCP2515_FILTERS_MB1 4 |
Definition at line 81 of file candev_mcp2515.h.
#define MCP2515_RX_MAILBOXES 2 |
Definition at line 79 of file candev_mcp2515.h.
#define MCP2515_TX_MAILBOXES 3 |
Number of transmit mailboxes.
Definition at line 57 of file candev_mcp2515.h.
typedef struct candev_mcp2515 candev_mcp2515_t |
MCP2515 candev descriptor.
Definition at line 86 of file candev_mcp2515.h.
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
.
[out] | dev | mcp2515 device descriptor |
[in] | conf | mcp2515 configuration |