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  • DriveWorks SDK Reference
    5.6.215 Release
    For Test and Development only

    All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Macros Modules Pages
    CAN.h
    Go to the documentation of this file.
    1
    2//
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    30
    47#ifndef DW_SENSORS_CANBUS_CAN_H_
    48#define DW_SENSORS_CANBUS_CAN_H_
    49
    50#include <dw/core/Config.h>
    52#include <dw/core/base/Types.h>
    53
    54#include <dw/sensors/Sensors.h>
    55
    56// clang-format off
    57
    94// clang-format on
    95
    97#define DW_SENSORS_CAN_MAX_ID_LEN 29
    98
    100#define DW_SENSORS_CAN_MAX_MESSAGE_LEN 64
    101
    103#define DW_SENSORS_CAN_MAX_FILTERS 255
    104
    105#ifdef __cplusplus
    106extern "C" {
    107#endif
    108
    109#pragma pack(push, 1) // Makes sure you have consistent structure packings.
    110
    112typedef struct dwCANMessage
    113{
    116
    118 uint32_t id;
    119
    121 uint16_t size;
    122
    126
    127#pragma pack(pop)
    128
    151
    175dwStatus dwSensorCAN_setMessageFilter(const uint32_t* ids, const uint32_t* masks,
    176 uint16_t num, dwSensorHandle_t sensor);
    177
    194dwStatus dwSensorCAN_readMessage(dwCANMessage* const msg, dwTime_t const timeoutUs, dwSensorHandle_t const sensor);
    195
    218 dwTime_t const timeoutUs, dwSensorHandle_t const sensor);
    219
    237dwStatus dwSensorCAN_processRawData(const uint8_t* data, size_t size,
    238 dwSensorHandle_t sensor);
    239
    254 dwSensorHandle_t sensor);
    255
    256#ifdef __cplusplus
    257}
    258#endif
    260#endif // DW_SENSORS_CANBUS_CAN_H_
    NVIDIA DriveWorks API: Sensors
    NVIDIA DriveWorks API: Core Types
    NVIDIA DriveWorks API: Core Exports
    uint8_t data[DW_SENSORS_CAN_MAX_MESSAGE_LEN]
    Payload.
    Definition: CAN.h:124
    dwTime_t timestamp_us
    Timestamp of the message in microseconds (using clock of the context).
    Definition: CAN.h:115
    uint16_t size
    Number of bytes of the payload.
    Definition: CAN.h:121
    uint32_t id
    CAN ID of the message sender.
    Definition: CAN.h:118
    DW_API_PUBLIC dwStatus dwSensorCAN_setMessageFilter(const uint32_t *ids, const uint32_t *masks, uint16_t num, dwSensorHandle_t sensor)
    Specifes a set of CAN IDs to be filtered.
    DW_API_PUBLIC dwStatus dwSensorCAN_processRawData(const uint8_t *data, size_t size, dwSensorHandle_t sensor)
    Decodes CAN data previously read as a RAW data stream into internal queue.
    DW_API_PUBLIC dwStatus dwSensorCAN_popMessage(dwCANMessage *msg, dwSensorHandle_t sensor)
    Returns any CAN data previously processed through a RAW data stream.
    DW_API_PUBLIC dwStatus dwSensorCAN_readMessage(dwCANMessage *const msg, dwTime_t const timeoutUs, dwSensorHandle_t const sensor)
    Reads a CAN packet with a given timeout from the CAN bus.
    DW_API_PUBLIC dwStatus dwSensorCAN_sendMessage(const dwCANMessage *const msg, dwTime_t const timeoutUs, dwSensorHandle_t const sensor)
    Sends a message over the CAN bus within a specified timeout.
    #define DW_SENSORS_CAN_MAX_MESSAGE_LEN
    Maximal length of the supported CAN payload [bytes].
    Definition: CAN.h:100
    DW_API_PUBLIC dwStatus dwSensorCAN_setUseHwTimestamps(bool const flag, dwSensorHandle_t const sensor)
    Enables or disables hardware timestamp of the CAN messages.
    Holds a CAN package.
    Definition: CAN.h:113
    #define DW_API_PUBLIC
    Definition: Exports.h:54
    dwStatus
    Status definition.
    Definition: Status.h:170
    int64_t dwTime_t
    Specifies a timestamp unit, in microseconds.
    Definition: Types.h:82
    struct dwSensorObject * dwSensorHandle_t
    Handle representing a sensor.
    Definition: Sensors.h:86
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