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105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
/*
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* Copyright (C) 2016 OTA keys S.A.
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @defgroup drivers_candev_linux SocketCAN driver
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* @ingroup drivers_can
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* @brief Implementation of simulated CAN controller driver using SocketCAN on Linux
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* @{
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*
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* @file
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* @brief Implementation of simulated CAN controller driver using SocketCAN on Linux
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*
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* @author Hermann Lelong <hermann@otakeys.com>
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* @author Aurelien Gonce <aurelien.gonce@altran.com>
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* @author Vincent Dupont <vincent@otakeys.com>
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*/
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#ifndef CANDEV_LINUX_H
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#define CANDEV_LINUX_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(__linux__) /* SocketCAN is supported only on Linux */ || defined(DOXYGEN)
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#include <stdbool.h>
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#include "can/candev.h"
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#include "mutex.h"
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/**
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* Maximum size of an interface name
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*/
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#define CAN_MAX_SIZE_INTERFACE_NAME (5)
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/**
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* Linux candev configuration
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*/
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typedef struct candev_linux_conf {
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/** local interface name */
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char interface_name[CAN_MAX_SIZE_INTERFACE_NAME + 1];
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} candev_linux_conf_t;
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#ifndef CANDEV_LINUX_MAX_FILTERS_RX
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/**
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* Max number of rx filters which can be set
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*/
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#define CANDEV_LINUX_MAX_FILTERS_RX (16)
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#endif
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#ifndef CANDEV_LINUX_DEFAULT_BITRATE
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/**
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* Default bitrate setup
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*/
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#define CANDEV_LINUX_DEFAULT_BITRATE (500000)
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#endif
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#ifndef CANDEV_LINUX_DEFAULT_SPT
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/**
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* Default sampling point setup
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*/
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#define CANDEV_LINUX_DEFAULT_SPT (875)
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#endif
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/**
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* @brief The candev_linux struct
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*/
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typedef struct candev_linux {
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candev_t candev; /**< candev base structure */
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int sock; /**< local socket id */
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const candev_linux_conf_t *conf; /**< device configuration */
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/** filter list */
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struct can_filter filters[CANDEV_LINUX_MAX_FILTERS_RX];
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} candev_linux_t;
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/**
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* @brief Device specific initialization function
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*
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* @param[inout] dev the device to initialize
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* @param[in] conf the device configuration
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*
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* @return 0 on success
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*/
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int candev_linux_init(candev_linux_t *dev, const candev_linux_conf_t *conf);
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/**
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* @brief Array containing socketCAN device names
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*/
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extern candev_linux_conf_t candev_linux_conf[CAN_DLL_NUMOF];
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#endif /* defined(__linux__) */
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#ifdef __cplusplus
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}
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#endif
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#endif /* CANDEV_LINUX_H */
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/** @} */
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