Interpreter.h

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2016-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: LicenseRef-NvidiaProprietary
 *
 * NVIDIA CORPORATION, its affiliates and licensors retain all intellectual
 * property and proprietary rights in and to this material, related
 * documentation and any modifications thereto. Any use, reproduction,
 * disclosure or distribution of this material and related documentation
 * without an express license agreement from NVIDIA CORPORATION or
 * its affiliates is strictly prohibited.
 */
 
#ifndef DW_SENSORS_CANBUS_INTERPRETER_H_
#define DW_SENSORS_CANBUS_INTERPRETER_H_
 
#include <dw/core/base/Config.h>
#include <dw/core/base/Exports.h>
 
#include <dw/sensors/canbus/CAN.h>
#include <dw/sensors/canbus/VehicleData.h>
 
#define DW_SENSORS_CAN_INTERPRETER_MESSAGE_MAX_SIGNALS 128
 
#define DW_SENSORS_CAN_INTERPRETER_MAX_MESSAGE_NAME_LEN 32
 
#define DW_SENSORS_CAN_INTERPRETER_MAX_SIGNAL_NAME_LEN 32
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct dwCANInterpreterObject* dwCANInterpreterHandle_t;
 
typedef void (*dwCANInterpreterAddMessageFunc_t)(const dwCANMessage* msg, void* userData);
 
typedef uint32_t (*dwCANInterpreterGetNumAvailableFunc_t)(void* userData);
 
typedef bool (*dwCANInterpreterGetSignalInfoFunc_t)(const char8_t** name, dwTrivialDataType* type,
                                                    dwCANVehicleData* data,
                                                    uint32_t idx, void* userData);
 
typedef bool (*dwCANInterpreterGetDataf32Func_t)(float32_t* value, dwTime_t* timestamp_us, uint32_t idx, void* userData);
 
typedef bool (*dwCANInterpreterGetDataf64Func_t)(float64_t* value, dwTime_t* timestamp_us, uint32_t idx, void* userData);
 
typedef bool (*dwCANInterpreterGetDatai32Func_t)(int32_t* value, dwTime_t* timestamp_us, uint32_t idx, void* userData);
 
typedef struct dwCANInterpreterInterface
{
    dwCANInterpreterAddMessageFunc_t addMessage;
    dwCANInterpreterGetNumAvailableFunc_t getNumAvailableSignals;
    dwCANInterpreterGetSignalInfoFunc_t getSignalInfo;
    dwCANInterpreterGetDataf32Func_t getDataf32;
    dwCANInterpreterGetDataf64Func_t getDataf64;
    dwCANInterpreterGetDatai32Func_t getDatai32;
 
} dwCANInterpreterInterface;
 
DW_API_PUBLIC
dwStatus dwCANInterpreter_buildFromCallbacks(dwCANInterpreterHandle_t* interpreter, dwCANInterpreterInterface callbacks,
                                             void* userData, dwContextHandle_t context);
 
DW_API_PUBLIC
dwStatus dwCANInterpreter_buildFromDBC(dwCANInterpreterHandle_t* interpreter,
                                       const char8_t* inputDBC,
                                       dwContextHandle_t ctx);
 
DW_API_PUBLIC
dwStatus dwCANInterpreter_buildFromDBCString(dwCANInterpreterHandle_t* interpreter,
                                             const char8_t* dbc,
                                             dwContextHandle_t ctx);
 
DW_API_PUBLIC
dwStatus dwCANInterpreter_release(dwCANInterpreterHandle_t interpreter);
 
// ------------ encoding
DW_API_PUBLIC
dwStatus dwCANInterpreter_getNumberSignalsInMessage(uint32_t* num,
                                                    const dwCANMessage* msg,
                                                    dwCANInterpreterHandle_t interpreter);
 
DW_API_PUBLIC
dwStatus dwCANInterpreter_getSignalNameInMessage(const char8_t** name, uint32_t idx,
                                                 const dwCANMessage* msg,
                                                 dwCANInterpreterHandle_t interpreter);
 
DW_API_PUBLIC
dwStatus dwCANInterpreter_createMessage(dwCANMessage* msg, uint32_t id, dwCANInterpreterHandle_t interpreter);
 
DW_API_PUBLIC
dwStatus dwCANInterpreter_createMessageFromName(dwCANMessage* msg, const char8_t* msgName,
                                                dwCANInterpreterHandle_t interpreter);
 
DW_API_PUBLIC
dwStatus dwCANInterpreter_encodef32(float32_t value, const char8_t* signal,
                                    dwCANMessage* msg,
                                    dwCANInterpreterHandle_t interpreter);
 
DW_API_PUBLIC
dwStatus dwCANInterpreter_encodef64(float64_t value, const char8_t* signal,
                                    dwCANMessage* msg,
                                    dwCANInterpreterHandle_t interpreter);
 
DW_API_PUBLIC
dwStatus dwCANInterpreter_encodei32(int32_t value, const char8_t* signal,
                                    dwCANMessage* msg,
                                    dwCANInterpreterHandle_t interpreter);
 
// ----------------- consumption
DW_API_PUBLIC
dwStatus dwCANInterpreter_consume(const dwCANMessage* msg,
                                  dwCANInterpreterHandle_t interpreter);
 
DW_API_PUBLIC
dwStatus dwCANInterpreter_getNumberSignals(uint32_t* num, dwCANInterpreterHandle_t interpreter);
 
DW_API_PUBLIC
dwStatus dwCANInterpreter_getDataSignalIndex(uint32_t* idx, dwCANVehicleData data,
                                             dwCANInterpreterHandle_t interpreter);
 
DW_API_PUBLIC
dwStatus dwCANInterpreter_getSignalName(const char8_t** name, uint32_t idx,
                                        dwCANInterpreterHandle_t interpreter);
 
DW_API_PUBLIC
dwStatus dwCANInterpreter_getSignalType(dwTrivialDataType* type, uint32_t idx,
                                        dwCANInterpreterHandle_t interpreter);
 
DW_API_PUBLIC
dwStatus dwCANInterpreter_getSignalRange(float64_t* minimum, float64_t* maximum, uint32_t idx,
                                         dwCANInterpreterHandle_t interpreter);
 
DW_API_PUBLIC
dwStatus dwCANInterpreter_getf32(float32_t* value, dwTime_t* timestamp_us, uint32_t idx, dwCANInterpreterHandle_t interpreter);
 
DW_API_PUBLIC
dwStatus dwCANInterpreter_getf64(float64_t* value, dwTime_t* timestamp_us, uint32_t idx, dwCANInterpreterHandle_t interpreter);
 
DW_API_PUBLIC
dwStatus dwCANInterpreter_geti32(int32_t* value, dwTime_t* timestamp_us, uint32_t idx, dwCANInterpreterHandle_t interpreter);
 
#ifdef __cplusplus
}
#endif
 
#endif // DW_SENSORS_CANBUS_INTERPRETER_H_