Author
Date
Topic
Release note
u-blox M8 ADR 4.31 firmware for ADR products
UBX- 20009341 C1-Public
Martin Wallebohr
29 June 2020
Copying, reproduction, modification or disclosure to third parties of this document or an y part thereof is only permitted with the express written permission of u-blox. The information
contained herein is provided “as is” and u-blox assumes no liability for its use. No warranty, either express or implied, is given, including but not limited, with respect to the accuracy,
correctness, reliability and fitness for a particular purpose of the information. This docu ment may be revised by u-blox at any time. For most recent documents, visit www.u-blox.com.
Copyright© u-blox AG.
Contents
1 General information 2
Scope 2
Released firmware image 2
Chipset firmware 2
Module firmware 2
Related documentation 2
u-center 2
Firmware update tool 2
USB drivers 3
USB identification u-blox M8 3
Built-in driver support for directly connected sensors 3
2 ADR 4.31 3
Introduction 3
UDR fallback 3
3 Specialties and known limitations 4
Special vehicle types 4
4 Improvements 4
UBX- 2000934120009341 u-blox M8 ADR 4.31 firmware for ADR products 1/4
C1-Public
1 General information
This firmware operates with UBX-M8030-KT-DR and UBX-M8030-KA-DR chips and NEO-M8L
professional and automotive grade modules.
Scope
This release note covers the changes to the ADR 4.31 firmware compared to the ADR 4.21
firmware version. For a comprehensive list of changes with respect to earlier versions, this
release note should be read in conjunction with the ADR 4.21 release note.
Released firmware image
Chipset firmware
Image file for software-interfaced sensor data:
UBX_M8_301_ADR431_CHIPSET__SWIF.e66975d72c367ecc97b51e273c6af655.bin
Image file pre-configured for directly-connected sensor (hardware sensor interface):
UBX_M8_301_ADR431_CHIPSET__HWIF.30ff7922e6e270c495d519a7f9ee708f.bin
FW ID string: EXT CORE 3.01 (e3981c)
FWVER=ADR 4.31
PROTVER=19.20
Supports ROM base: 2.01, 3.01
Module firmware
Image file pre-configured for the NEO-M8L module:
UBX_M8_301_ADR431_NEO_M8L_HWIF.e34da735178dd8d111ee8831fccc6b59.bin
FW ID string: EXT CORE 3.01 (e3981c)
FWVER=ADR 4.31
PROTVER=19.20
Supports ROM base: 2.01, 3.01
Related documentation
[1] u-blox M8 Receiver Description including Protocol Specification, UBX-13002887 –
Confidential
[2] GNSS firmware 3.01 release notes, UBX-16000319
[3] ADR 4.21 firmware release notes, UBX-18050701 - NDA required
u-center
u-center for Windows v20.01 or later should be used together with this firmware.
Firmware update tool
The firmware update utility tool v. 2.01 supports this product.
☞ Earlier versions of the firmware update tool will not operate with this release.
UBX- 2000934120009341 u-blox M8 ADR 4.31 firmware for ADR products 2/4
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Sensor type
Address
Configuration
Notes
Bosch BMI160
0x68
SD0 connected to GND
Connect CSB to VDDIO
Bosch BMI055
0x18 and 0x68
SDO1 and SDO2 connected to GND
PS connected to VDDIO
Bosch SMI130
0x18 and 0x68
SDO1 and SDO2 connected to GND
PS connected to VDDIO
Bosch SMG130
0x18 and 0x68
SDO1 and SDO2 connected to GND
PS connected to VDDIO
Bosch SMI230
0x18 and 0x68
SDO1 and SDO2 connected to GND
PS connected to VDDIO
Invensense MPU6515
0x68
ADO/SDO to GND
PS connected to VDDIO
Invensense MPU6500
0x68
ADO/SDO to GND
PS connected to VDDIO
ST LSM6DSL
0x6A
SDO/SA0 to GND
PS connected to VDDIO
ST LSM6DS3
0x6A
SDO/SA0 to GND
PS connected to VDDIO
ST LSM6DS0
0x6A
SDO/SA0 to GND
PS connected to VDDIO
USB drivers
u-blox GNSS Standard Driver for Windows v. 1.2.0.8
u-blox GNSS Sensor Device Driver for Windows v. 2.40 and later
u-blox GNSS VCP Device Driver for Windows v. 3.10
The latest drivers are available in the Product resources section of the u-blox website -
http://www.u-blox.com
USB identification u-blox M8
Vendor ID: 0x1546
Product ID: 0x01A8
Driver string: u-blox GNSS receiver
Built-in driver support for directly connected sensors
This release includes built-in support for the following sensors connected via a two-wire
interface (hardware sensor interface). Additional sensors may be supported on request in the
future firmware releases.
2 ADR 4.31
Introduction
This chapter describes the new ADR features and improvements in this release compared to
flash firmware ADR 4.21.
UDR fallback
Note that ADR 4.31 firmware supports UDR fallback. In case of missing wheel tick data, the
firmware will automatically switch to UDR mode.
UBX- 2000934120009341 u-blox M8 ADR 4.31 firmware for ADR products 3/4
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3 Specialties and known limitations
Special vehicle types
This release has been optimized and tested for light road vehicles including motorbikes.
Performance and behavior has not been characterized for trains, trams or trolleybuses.
4 Improvements
The following improvements in terms of positioning accuracy and reliability have been made in
this firmware release:
1. Handling of vertically mounted modules or IMU sensors (Gimbal Lock) (ID1335)
2. Handling of modules or IMU sensors mounted with certain roll angle while using manual
alignment (ID1336)
3. Positioning performance during vehicle acceleration. (ID1349)
4. Switching between DR and no-fix mode (ID1361)
5. Directional output while reversing (ID1343)
6. Map aiding functionality (ID1362)
7. Data transfer via USB interface (ID1366)
8. RTC reset mechanism (ID1379)
9. Hot start behavior under difficult GNSS conditions (ID1360)
10. 3D position accuracy estimation after power cycle (ID1371)
11. Thresholds for turn table mode to enable faster recovery for heading (§7.2.17)
12. Reduced the effect of vibration on INS offset while the vehicle is stationary (§7.2.18)
13. GNSS: Starting bit detection strictly after bit synchronization (§7.2.19)
14. ADR bike platform: INS reset after power cycle (ID1374)
15. Inertial sensor data handling (§7.2.16)
)
UBX- 2000934120009341 u-blox M8 ADR 4.31 firmware for ADR products 4/4
C1-Public
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