DriveWorks SDK Reference
5.18.10 Release
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Sensors.h
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30
54#ifndef DW_SENSORS_SENSORS_H_
55#define DW_SENSORS_SENSORS_H_
56
58#include <dw/core/base/Types.h>
64
65#ifdef __cplusplus
66extern "C" {
67#endif
68
70typedef enum dwPlatformOS {
73
76
79
83
85typedef struct dwSALObject* dwSALHandle_t;
86
88typedef struct dwSensorObject* dwSensorHandle_t;
89
91#define DW_SENSOR_MAX_PROTOCOL_NAME_LENGTH 32
93#define DW_SENSOR_MAX_PARAMETER_STRING_LENGTH 512
94
96typedef struct dwSensorParams
97{
101 const char8_t* protocol;
102
108 const char8_t* parameters;
109
115 const void* auxiliarydata;
116
118
120typedef enum dwSensorType {
142
145{
148
150 uint64_t event;
151
153 uint64_t offset;
154
156 uint64_t size;
157
159
161#define DW_SENSOR_ERROR_ID_OFFSET_BIT 24U
163#define DW_SENSOR_ERROR_ID_OFFSET (1U << DW_SENSOR_ERROR_ID_OFFSET_BIT)
164
169typedef enum dwSensorErrorID {
183 /* Place holder error IDs - use SEH official error IDs later */
190
200
213
225
239
258
275
289
302
315dwStatus dwSAL_getPlatformInfo(char8_t const** const osName, dwPlatformOS const os, dwSALHandle_t const sal);
316
332dwStatus dwSAL_getNumSensors(uint32_t* const num, dwPlatformOS const os, dwSALHandle_t const sal);
333
347dwStatus dwSAL_getSensorProtocol(const char** const name, uint32_t const idx, dwPlatformOS const os, dwSALHandle_t const sal);
348
363dwStatus dwSAL_getSensorParameterString(const char** const parameters, uint32_t const idx,
364 dwPlatformOS const os, dwSALHandle_t const sal);
365
379
393
415
428
441
464dwStatus dwSensor_readRawData(const uint8_t** const data, size_t* const size,
465 dwTime_t const timeoutUs,
466 dwSensorHandle_t const sensor);
467
482dwStatus dwSensor_returnRawData(const uint8_t* const data, dwSensorHandle_t const sensor);
483
500dwStatus dwSensor_getSeekRange(size_t* const eventCount,
501 dwTime_t* const startTimestampUs, dwTime_t* const endTimestampUs,
502 dwSensorHandle_t const sensor);
503
519
532dwStatus dwSensor_getHeader(uint8_t const** const buffer, size_t* bufferSize, dwSensorHandle_t const sensor);
533
550dwStatus dwSensor_seekToTime(dwTime_t const timestampUs, dwSensorHandle_t const sensor);
551
567dwStatus dwSensor_seekToEvent(size_t const event, dwSensorHandle_t const sensor);
568
587
601
616dwStatus dwSensor_getSeekTableEntries(dwSensorSeekTableEntry* const entries, size_t const numEntries, dwSensorHandle_t const sensor);
617
641dwStatus dwSensor_saveSeekTable(const char* const fileName, dwSensorHandle_t const sensor);
642
663dwStatus dwSensor_setThreadPriority(int32_t const priority, dwSensorHandle_t const sensor);
664
685dwStatus dwSensor_setThreadAffinity(uint32_t const affinityMask, dwSensorHandle_t const sensor);
686
700
701#ifdef __cplusplus
702}
703#endif
704
706#endif // DW_SENSORS_SENSORS_H_
NVIDIA DriveWorks API: Core Methods
dwStatus
Status definition.
Definition: ErrorDefs.h:44
NVIDIA DriveWorks API: Health Signal Methods
Egomotion State inputs.
DriveWorks API: Signal Status Library
NVIDIA DriveWorks API: Core Types
NVIDIA DriveWorks API: Core Exports
int64_t dwTime_t
Specifies a timestamp unit, in microseconds.
Definition: BasicTypes.h:65
struct dwContextObject * dwContextHandle_t
Context handle.
Definition: Context.h:86
#define DW_API_PUBLIC
Definition: Exports.h:56
uint64_t event
count of this event
Definition: Sensors.h:150
uint64_t offset
offset into a file of this event
Definition: Sensors.h:153
const void * auxiliarydata
Additional data to pass to sensor creation function.
Definition: Sensors.h:115
const char8_t * parameters
Array of additional parameters provided to sensor creation.
Definition: Sensors.h:108
uint64_t size
size of the event present in the virtual data file, in bytes
Definition: Sensors.h:156
const char8_t * protocol
Name of the protocol.
Definition: Sensors.h:101
dwTime_t timestamp
timestamp of this entry [us]
Definition: Sensors.h:147
DW_API_PUBLIC dwStatus dwSensor_getNumSeekTableEntries(size_t *const size, dwSensorHandle_t const hsensor)
Get the number of entries in the seek Table.
DW_API_PUBLIC dwStatus dwSensor_createSeekTable(dwSensorHandle_t const sensor)
Forces recreation of the seek table, for sensors that support seeking.
DW_API_PUBLIC dwStatus dwSensor_getStats(dwSensorStats *const stats, dwSensorHandle_t const sensor)
Gets sensor statistics (if available).
DW_API_PUBLIC dwStatus dwSensor_reset(dwSensorHandle_t const sensor)
Resets the sensor.
DW_API_PUBLIC dwStatus dwSAL_getPlatform(dwPlatformOS *const os, dwSALHandle_t sal)
Gets current platform the SDK is running on.
DW_API_PUBLIC dwStatus dwSensor_setThreadPriority(int32_t const priority, dwSensorHandle_t const sensor)
Sets the priority of the internal thread, for sensors that use an internal thread to communicate to t...
DW_API_PUBLIC dwStatus dwSensor_saveSeekTable(const char *const fileName, dwSensorHandle_t const sensor)
Saves the seek table for the sensor to a file, for sensors that support seek tables.
DW_API_PUBLIC dwStatus dwSAL_setVehicleState(dwSensorVehicleState *const vehicleState, dwSALHandle_t const sal)
Pass vehicle state to all sensors.
dwStatus dwSensor_getHeader(uint8_t const **const buffer, size_t *bufferSize, dwSensorHandle_t const sensor)
Returns a pointer to the shared buffer with the contents of the sensor header and bufferSize will con...
DW_API_PUBLIC dwStatus dwSAL_createSensor(dwSensorHandle_t *const sensor, dwSensorParams const params, dwSALHandle_t const sal)
Creates a new sensor managed by the SAL module with the given parameters.
DW_API_PUBLIC dwStatus dwSensor_start(dwSensorHandle_t const sensor)
Starts the sensor previously successfully created with 'dwSAL_createSensor()'.
DW_API_PUBLIC dwStatus dwSAL_start(dwSALHandle_t const sal)
Bootstraps all sensors managed by the SAL module.
struct dwSALObject * dwSALHandle_t
Handle representing the Sensor Abstraction Layer interface.
Definition: Sensors.h:85
DW_API_PUBLIC dwStatus dwSensor_getSeekRange(size_t *const eventCount, dwTime_t *const startTimestampUs, dwTime_t *const endTimestampUs, dwSensorHandle_t const sensor)
Retrieves the valid range of seek parameters, for sensors that support seeking.
DW_API_PUBLIC dwStatus dwSAL_release(dwSALHandle_t const sal)
Releases the SAL (sensor abstraction layer) module.
DW_API_PUBLIC dwStatus dwSensor_seekToEvent(size_t const event, dwSensorHandle_t const sensor)
Seeks the sensor to an event, for sensors that support seeking.
DW_API_PUBLIC dwStatus dwSAL_getNumSensors(uint32_t *const num, dwPlatformOS const os, dwSALHandle_t const sal)
Gets number of available sensors for a platform.
DW_API_PUBLIC dwStatus dwSensor_stop(dwSensorHandle_t const sensor)
Stops the sensor.
DW_API_PUBLIC dwStatus dwSAL_initialize(dwSALHandle_t *const sal, dwContextHandle_t const context)
Creates and initializes a SAL (sensor abstraction layer) module.
DW_API_PUBLIC dwStatus dwSensor_readRawData(const uint8_t **const data, size_t *const size, dwTime_t const timeoutUs, dwSensorHandle_t const sensor)
Reads RAW data from sensor as byte array at a given time (TimeoutUs).
DW_API_PUBLIC dwStatus dwSensor_returnRawData(const uint8_t *const data, dwSensorHandle_t const sensor)
Returns RAW data to sensor as a byte array.
DW_API_PUBLIC dwStatus dwSAL_getPlatformInfo(char8_t const **const osName, dwPlatformOS const os, dwSALHandle_t const sal)
Gets detailed information about the running hardware platform and operating system.
DW_API_PUBLIC dwStatus dwSAL_getSensorProtocol(const char **const name, uint32_t const idx, dwPlatformOS const os, dwSALHandle_t const sal)
Gets protocol name of a sensor for a given index, e.g., 'camera.gmsl' or 'can.file'.
DW_API_PUBLIC dwStatus dwSAL_releaseSensor(dwSensorHandle_t const sensor)
Releases a sensor managed by the SAL module.
dwSensorType
Defines the type of sensors that are available in DriveWorks.
Definition: Sensors.h:120
dwPlatformOS
Defines the operating system in use.
Definition: Sensors.h:70
DW_API_PUBLIC dwStatus dwSensor_setThreadAffinity(uint32_t const affinityMask, dwSensorHandle_t const sensor)
Sets the affinity of the internal thread, for sensors that use an internal thread to communicate to t...
DW_API_PUBLIC dwStatus dwSAL_setEgomotionState(dwSensorEgomotionState *const egomotionState, dwSALHandle_t const sal)
Pass egomotion state to all sensors.
DW_API_PUBLIC dwStatus dwSAL_getSensorParameterString(const char **const parameters, uint32_t const idx, dwPlatformOS const os, dwSALHandle_t const sal)
Gets the parameter string acceptable by a sensor whose type is determined by the index.
DW_API_PUBLIC dwStatus dwSensor_getSeekTableEntries(dwSensorSeekTableEntry *const entries, size_t const numEntries, dwSensorHandle_t const sensor)
Fill in the pre-allocated dwSensorSeekTableEntry array.
dwSensorErrorID
Sensor Error ID to be used in, e.g., dwErrorSignal.errorID[31:24] when DW_SENSOR_ERROR_CODE_OFFSET_BI...
Definition: Sensors.h:169
struct dwSensorObject * dwSensorHandle_t
Handle representing a sensor.
Definition: Sensors.h:88
DW_API_PUBLIC dwStatus dwSensor_getCurrentSeekPosition(size_t *const event, dwSensorHandle_t const sensor)
Gets the current seek position of the sensor.
DW_API_PUBLIC dwStatus dwSensor_seekToTime(dwTime_t const timestampUs, dwSensorHandle_t const sensor)
Seeks the sensor to a specific timestamp, for sensors that support seeking.
DW_API_PUBLIC dwStatus dwSAL_reset(dwSALHandle_t const sal)
Resets the SAL (sensor abstraction layer) module.
@ DW_SENSOR_LIDAR
Lidar.
Definition: Sensors.h:124
@ DW_SENSOR_ULTRASONIC
Ultrasonic.
Definition: Sensors.h:138
@ DW_SENSOR_COUNT
Sensor count which the sensor type value is less than.
Definition: Sensors.h:140
@ DW_SENSOR_CAN
CAN.
Definition: Sensors.h:130
@ DW_SENSOR_IMU
IMU.
Definition: Sensors.h:128
@ DW_SENSOR_RADAR
RADAR.
Definition: Sensors.h:132
@ DW_SENSOR_CAMERA
CAMERA.
Definition: Sensors.h:122
@ DW_SENSOR_GPS
GPS.
Definition: Sensors.h:126
@ DW_SENSOR_TIME
TIME.
Definition: Sensors.h:134
@ DW_SENSOR_DATA
DATA.
Definition: Sensors.h:136
@ DW_PLATFORM_OS_V5Q
aarch64 based Drive 5 QNX.
Definition: Sensors.h:78
@ DW_PLATFORM_OS_V5L
aarch64 based Drive 5 Linux.
Definition: Sensors.h:75
@ DW_PLATFORM_OS_LINUX
Default Linux based platform.
Definition: Sensors.h:72
@ DW_PLATFORM_NUM
Number of available platforms.
Definition: Sensors.h:81
@ DW_SENSOR_ERROR_CODE_NO_NEW_DATA
no new data received
Definition: Sensors.h:174
@ DW_SENSORS_ERROR_CODE_IMU_ALIGNMENT_STATUS
IMU sensor bad alignment status.
Definition: Sensors.h:189
@ DW_SENSOR_ERROR_NO_DATA_FROM_PUBLISHER
No data is received from publisher.
Definition: Sensors.h:176
@ DW_RADAR_ERROR_CODE_ZERO_RETURNS
Radar specific errors: zero return.
Definition: Sensors.h:196
@ DW_SENSOR_ERROR_CODE_INVALID
sensor ok
Definition: Sensors.h:171
@ DW_RADAR_ERROR_CODE_NUM_RETURNS_OUT_OF_RANGE
Radar specific errors: return num is out of range.
Definition: Sensors.h:194
@ DW_SENSOR_ERROR_NOT_ENOUGH_DATA
Not enough dats from publisher since initialization.
Definition: Sensors.h:178
@ DW_SENSORS_ERROR_CODE_GPS_ACCURACY
GPS sensor accuracy warning.
Definition: Sensors.h:187
@ DW_RADAR_ERROR_CODE_AZIMUTH_OUT_OF_RANGE
Radar specific errors: azimuth is out of range.
Definition: Sensors.h:192
@ DW_SENSOR_ERROR_E2E_FAILURE
E2E failures.
Definition: Sensors.h:180
@ DW_SENSORS_ERROR_CODE_GPS_MODE
GPS sensor working mode error.
Definition: Sensors.h:185
@ DW_SENSOR_ERROR_STATE_MACHINE_DISABLED
State machine is disabled.
Definition: Sensors.h:182
@ DW_RADAR_ERROR_CODE_END_INDEX
Radar specific errors: end index.
Definition: Sensors.h:198
Holds sets of parameters for sensor creation.
Definition: Sensors.h:97
A seek structure is made of memory offset, eventcount and timestamp.
Definition: Sensors.h:145