Vu 8 Channel LiDAR Module, 48°/0.3°, USB, CAN Bus, RS485 & UART - User Manual
Table Of Contents
- List of Figures
- List of Tables
- 1. Introduction
- 1.1. Description
- 1.2. SPI Carrier Board
- 1.3. USB, CAN and SERIAL Carrier Board
- 1.4. Working Diagram
- 1.4.1. SPI Carrier Board
- 1.4.2. USB, CAN and SERIAL Board
- 2. Underlying Principles
- 3. Getting Started
- 3.1. Optional Power Supply
- 3.2. Optional SPI cable
- 3.3. Setup
- 3.4. Connecting to the LeddarVu Module
- 4. Measurements and Settings
- 4.1. Distance Measurement
- 4.2. Data Description
- 4.3. Acquisition Settings
- 4.3.1. General Settings
- 4.3.2. Enabling and Disabling Segments
- 4.4. Measurement Rate
- 4.5. CPU Load
- 5. Communication Interfaces
- 5.1. SPI Interface
- 5.1.1. SPI Basics
- 5.1.2. SPI Protocol
- 5.1.3. Memory Map
- Configuration Data
- Product Configuration
- Device Information and Constants
- LeddarVu Device Information and Constants
- General Status
- LeddarVu Status
- Detection List
- Transaction Configuration
- 5.1.4. SPI Operation
- 5.1.4.1. SPI Port Configuration
- 5.1.4.2. Sensor Hard Reset
- 5.1.4.3. Speed and timing
- 5.1.4.4. Access
- 5.1.4.5. Modification
- 5.2. I2C Interface
- 5.3. USB Interface
- 5.4. Serial Link Interface
- 5.5. CAN Bus Interface
- 6. Leddar™ Configurator
- 6.1. Introduction to Configurator Software
- 6.2. Connection Window
- 6.3. Leddar™ Configurator Main Window
- 6.3.1. Toolbar
- 6.3.2. Fit to Window
- 6.3.3. Force Equal Horizontal and Vertical Scales
- 6.3.4. Zoom in
- 6.3.5. Zoom out
- 6.3.6. Scale
- 6.3.7. Panning and Zooming
- 6.3.8. Changing the LeddarVu Module Origin
- 6.3.9. Changing the LeddarVu Module Orientation
- 6.4. Settings
- 6.4.1. Module Name
- 6.4.2. Acquisition Settings
- 6.4.3. Serial Port
- 6.4.4. CAN Port
- 6.5. Saving and Loading a Configuration
- 6.6. Configuring Detection Records
- 6.7. Using Detection Records
- 6.8. Data Logging
- 6.9. Firmware Update
- 6.10. Device State
- General
- Device Information
- Carrier
- 6.11. Preferences
- 6.12. Raw Detections
- 7. Specifications
- 7.1. General
- 7.2. Mechanical
- 7.3. Electrical
- 7.4. Optical
- 7.5. Performance
- 7.6. Regulatory Compliance and Safety
- 7.7. Dimensions
- 7.7.1. 98.5 Module
- 7.7.2. 47.5 Module
- 7.7.3. 16 Module
- 8. Technical Support
- Appendix A ̶ Example of a 0x04 function (read input register)
- Appendix B ̶ Example of a 0x41 Modbus Function
- Appendix C ̶ Example of a LeddarVu CAN Bus Detection Request
Page 55 of 129 54A0028-6 042019 © LeddarTech Inc.
Detection List
Table 24: Detection list bank
Offset
Length
Type
Description
0
4
uint32_t
Timestamp: in ms since the power up
4
2
uint16_t
Number of detection (N)
6
2
uint16_t
Current percentage of light source power
8
4
uint32_t
Acquisition options
12
N *
detection
structure
size
Array of detection
structure
Start of detection list array
Refer to Table 25 for details.
Detection Structure Size
Table 25: Detection structure size
Offset
Length
Type
Description
0
4
uint32_t
Distance expressed in distance scale
To convert to meters, the distance must be
divided by the distance scale.
4
4
uint32_t
Amplitude expressed in raw amplitude scale
To convert the amplitude to count, it must be
divided by the amplitude scale.
Amplitude = Contents of this
register/(Amplitude Scale Register + 8192)
8
2
uint16_t
Segment number
10
2
uint16_t
Bit-field detection flags:
Bit 0: Detection is valid (will always be set)
Bit 1: Detection is the result of object
demerging
Bit 2: Reserved
Bit 3: Detection is saturated
Bit 4: Reserved
Bit 5: Reserved
Bit 6: Detection is within the crosstalk zone
Bit 7: Reserved