DriveWorks SDK Reference
5.6.215 Release
For Test and Development only

IMU.h
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30
47#ifndef DW_SENSORS_IMU_IMU_H_
48#define DW_SENSORS_IMU_IMU_H_
49
50#include <dw/core/Config.h>
52#include <dw/core/base/Types.h>
53
54#include <dw/sensors/Sensors.h>
55
56#ifdef __cplusplus
57extern "C" {
58#endif
59
61typedef enum dwIMUFlags {
62
63 DW_IMU_HEADING = 1U << 1,
64
65 DW_IMU_ROLL = 1U << 2,
66 DW_IMU_PITCH = 1U << 3,
67 DW_IMU_YAW = 1U << 4,
68
73
74 DW_IMU_ROLL_RATE = 1U << 9,
75 DW_IMU_PITCH_RATE = 1U << 10,
76 DW_IMU_YAW_RATE = 1U << 11,
77
81
84 DW_IMU_MAGNETOMETER_Z = 1U << 17
85
87
89typedef enum dwIMUHeadingType {
90
93
96
98
102typedef struct dwIMUFrame
103{
105 uint32_t flags;
106
109
112
115
118
121
124
127
130
131} dwIMUFrame;
132
150dwStatus dwSensorIMU_readFrame(dwIMUFrame* const frame, dwTime_t const timeoutUs, dwSensorHandle_t const sensor);
151
167dwStatus dwSensorIMU_processRawData(uint8_t const* const data, size_t const size, dwSensorHandle_t const sensor);
168
183
184#ifdef __cplusplus
185}
186#endif
188#endif // DW_SENSORS_IMU_IMU_H_
NVIDIA DriveWorks API: Sensors
NVIDIA DriveWorks API: Core Types
NVIDIA DriveWorks API: Core Exports
#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
double float64_t
Definition: Types.h:71
Defines a double-precision quaternion.
Definition: Types.h:501
dwQuaterniond orientationQuaternion
Quaternion representation (x, y, z, w) of the orientation returned by the IMU.
Definition: IMU.h:114
dwTime_t timestamp_us
Timestamp for the current message. Indicates when it's first received [usec].
Definition: IMU.h:108
float64_t acceleration[3]
Acceleration in X, Y, and Z directions [m/s^2].
Definition: IMU.h:120
dwIMUHeadingType headingType
Type of the heading information.
Definition: IMU.h:129
float64_t magnetometer[3]
Measurement of the magnetometer unit in X, Y, and Z directions [utesla].
Definition: IMU.h:123
float64_t heading
Heading of the IMU measured in respect to the ENU system [degrees], i.e., compass.
Definition: IMU.h:126
float64_t orientation[3]
Roll, pitch, and yaw angle of the orientation returned by the IMU [degree].
Definition: IMU.h:111
float64_t turnrate[3]
Roll, pitch, and yaw turn rate (i.e., gyroscope)[rad/s].
Definition: IMU.h:117
uint32_t flags
The flags to show which values are valid in this IMU frame.
Definition: IMU.h:105
DW_API_PUBLIC dwStatus dwSensorIMU_processRawData(uint8_t const *const data, size_t const size, dwSensorHandle_t const sensor)
Reads the IMU frame from raw data.
dwIMUFlags
Each flag shows if that value is valid in this IMU frame.
Definition: IMU.h:61
DW_API_PUBLIC dwStatus dwSensorIMU_readFrame(dwIMUFrame *const frame, dwTime_t const timeoutUs, dwSensorHandle_t const sensor)
Reads the next IMU frame from the sensor within a given timeout.
dwIMUHeadingType
Types of the heading degree.
Definition: IMU.h:89
DW_API_PUBLIC dwStatus dwSensorIMU_popFrame(dwIMUFrame *const frame, dwSensorHandle_t const sensor)
Returns any IMU data previously processed through the raw data stream.
@ DW_IMU_QUATERNION_X
Definition: IMU.h:69
@ DW_IMU_ROLL
Value of dwIMUFrame.orientation[0] is valid.
Definition: IMU.h:65
@ DW_IMU_MAGNETOMETER_X
Value of dwIMUFrame.magnetometer[0] is valid.
Definition: IMU.h:82
@ DW_IMU_ROLL_RATE
!< Value of dwIMUFrame.orientationQuaternion.w is valid.
Definition: IMU.h:74
@ DW_IMU_HEADING
Value of dwIMUFrame.heading is valid.
Definition: IMU.h:63
@ DW_IMU_MAGNETOMETER_Z
Value of dwIMUFrame.magnetometer[2] is valid.
Definition: IMU.h:84
@ DW_IMU_QUATERNION_Z
!< Value of dwIMUFrame.orientationQuaternion.y is valid.
Definition: IMU.h:71
@ DW_IMU_QUATERNION_Y
!< Value of dwIMUFrame.orientationQuaternion.x is valid.
Definition: IMU.h:70
@ DW_IMU_YAW
Value of dwIMUFrame.orientation[2] is valid.
Definition: IMU.h:67
@ DW_IMU_PITCH_RATE
Value of dwIMUFrame.turnrate[1] is valid.
Definition: IMU.h:75
@ DW_IMU_ACCELERATION_Z
Value of dwIMUFrame.acceleration[2] is valid.
Definition: IMU.h:80
@ DW_IMU_ACCELERATION_X
Value of dwIMUFrame.acceleration[0] is valid.
Definition: IMU.h:78
@ DW_IMU_PITCH
Value of dwIMUFrame.orientation[1] is valid.
Definition: IMU.h:66
@ DW_IMU_YAW_RATE
Value of dwIMUFrame.turnrate[2] is valid.
Definition: IMU.h:76
@ DW_IMU_QUATERNION_W
!< Value of dwIMUFrame.orientationQuaternion.z is valid.
Definition: IMU.h:72
@ DW_IMU_ACCELERATION_Y
Value of dwIMUFrame.acceleration[1] is valid.
Definition: IMU.h:79
@ DW_IMU_MAGNETOMETER_Y
Value of dwIMUFrame.magnetometer[1] is valid.
Definition: IMU.h:83
@ DW_IMU_HEADING_TRUE
True heading.
Definition: IMU.h:92
@ DW_IMU_HEADING_MAGNETIC
Magnetic heading.
Definition: IMU.h:95
An IMU frame containing sensor readings from the IMU sensor.
Definition: IMU.h:103
struct dwSensorObject * dwSensorHandle_t
Handle representing a sensor.
Definition: Sensors.h:86