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Quick Start Guide

GNSS expansion board based on Teseo-LIV3F module for STM32 Nucleo

(X-NUCLEO-GNSS1A1)

Version 3.0 (April, 2019)

Quick Start Guide Contents 2

X-NUCLEO-GNSS1A1: STM32 Nucleo GNSS expansion board

Hardware and Software overview

Setup & Demo Examples

Documents & Related Resources

STM32 Open Development Environment: Overview

Tee

GNSS expansion board

Hardware Overview 3

X-NUCLEO-GNSS1A1 Hardware Description

•The X-NUCLEO-GNSS1A1 expansion board is based on the Teseo-

LIV3F tiny GNSS module.

•It represents an affordable, easy-to-use, global navigation satellite

system (GNSS) module, embedding a Teseo III single die standalone

positioning receiver IC, usable in different configurations in your

STM32 Nucleo project.

•The Teseo-LIV3F is a compact (9.7x10.1 mm) module that provides

superior accuracy thanks to the on-board 26 MHz temperature

compensated crystal oscillator (TCXO) and a reduced time-to-first fix

(TTFF) with its dedicated 32 KHz real-time clock (RTC) oscillator.

•The Teseo-LIV3F module runs complete GNSS firmware (X-CUBE-

GNSS1) to perform all GNSS operations including acquisition,

tracking, navigation and data output without external memory

support.

•The X-NUCLEO-GNSS1A1 expansion board is compatible with the

Arduino™ UNO R3 connector and the ST morpho connector, so it

can be plugged to the STM32 Nucleo development board and

stacked with additional STM32 Nucleo expansion boards.

Key Products on board

Teseo-LIV3F: Single die standalone positioning receiver IC

working on multiple constellations, 10x10mm compact size.

26MHz Temperature Compensated Crystal Oscillator (TCXO)

and reduced Time To First Fix (TTFF) relying to a 32KHz

Real Time Clock (RTC) oscillator for superior accuracy. Latest info available at www.st.com

X-NUCLEO-GNSS1A1

Teseo-LIV3F Battery holder

Antenna connector Arduino UNO R3 Connectors

Latest info available at www.st.com

X-CUBE-GNSS1

GNSS expansion board

Software overview 4

X-CUBE-GNSS1 software description

•The X-CUBE-GNSS1 expansion package for

STM32Cube runs on STM32 and includes drivers for the

Teseo-LIV3F global navigation satellite system (GNSS)

device as well as middleware for the NMEA protocol

support and FreeRTOS for task scheduling ensuring

better asynchronous message parsing.

•It is built on top of STM32Cube software technology for

easy portability across different STM32 microcontrollers.

•The software comes with sample implementations for the

drivers running on the X-NUCLEO-GNSS1A1 expansion

board, when connected to a NUCLEO-F401RE,

NUCLEO-L476RG, or NUCLEO-L073RZ board.

•The software includes also a sample application for

Assisted GNSS provided by the Teseo-LIV3F GNSS

device. The application is tailored for the B-L475E-

IOT01A Discovery kit for IOT node.

Key features

•Complete software to build applications using Teseo-

LIV3F GNSS device

•Middleware for the NMEA protocol, andAssisted GNSS

(A-GNSS) support

•FreeRTOS task scheduling

•Sample applications to transmit GNSS data to a PC,

and for A-GNSS support

•Easy portability across different MCU families, thanks

to STM32Cube

•Free, user-friendly license terms

Overall Software Architecture

Quick Start Guide Contents 5

X-NUCLEO-GNSS1A1: STM32 Nucleo GNSS expansion board

Hardware and Software overview

Setup & Demo Examples

Documents & Related Resources

STM32 Open Development Environment: Overview

Setup & demo examples

HW prerequisites 6

•1 x STM32 Nucleo GNSS expansion board (X-NUCLEO-GNSS1A1)

•1 x STM32 Nucleo development board (NUCLEO-F401RE / NUCLEO-L476RG / NUCLEO-L073RZ / B-

L475E-IOT01)

•1x Laptop/PC with Microsoft Windows 7 (or above)

•1x GPS/GLONASS/BeidouAntenna

•1x USB type A to Mini-B USB cable

Setup & demo examples

SW prerequisites 7

•STSW-LINK009: ST-LINK/V2-1 USB driver

•STSW-LINK007: ST-LINK/V2-1 firmware upgrade

•X-CUBE-GNSS1: expansion software for STM32Cube

•Copy the .zip file content into the “c:\Program Files (x86)\STMicroelectronics\”folder on your PC

•The package contains the source code examples (Keil, IAR EWARM, System Workbench for

STM32) based on NUCLEO-F401RE, NUCLEO-L476RG, NUCLEO-L073RZ, B-L475E-IOT1

Global Navigation Satellite System expansion board

Start coding in just a few minutes with X-CUBE-GNSS1 8

Download and unpack

X-CUBE-GNSS1

Go to www.st.com/x-nucleo

Open project example

GetPos

1

2

3

4

5

Select

X-NUCLEO-GNSS1A1

6

Modify and build application Download and install STM32

Nucleo ST-LINK/V2-1 USB driver

GNSS package docs

GNSS UART and I2C drivers

NMEA, A-GNSS & FreeRTOS Libraries

Application examples

X-CUBE-GNSS1 package

CubeMX configuration files

GNSS expansion board

Evaluate using X-CUBE-GNSS1 (1/2) 9

2

1

From X-CUBE-GNSS1 software

resource package drag and drop

GetPos_*.bin (in Binary folder) on

Nucleo drive

•Connect the STM32 Nucleo board and the X-NUCLEO-GNSS1A1 expansion board

•Connect the GPS/GLONASS antenna to the connector on the X-NUCLEO-

GNSS1A1 expansion board

•Connect the STM32 Nucleo board to your PC

Global Navigation Satellite System expansion board

Evaluate using X-CUBE-GNSS1 (2/2) 10

3

4

Run a Serial Terminal (e.g. TeraTerm) on your PC and open a serial connection

Reset the STM32 Nucleo board and select an option from the menu appearing on

Serial Terminal