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Quick Start Guide
Wi-Fi expansion board based on SPWF04SA module for STM32 Nucleo
(X-NUCLEO-IDW04A1)
Version 1.0 (March 3, 2017)
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Quick Start Guide Contents
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X-NUCLEO-IDW04A1: STM32 Nucleo Wi-Fi expansion board
Hardware and Software overview
Setup & Demo Examples
Documents & Related Resources
STM32 Open Development Environment: Overview
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Wi-Fi expansion board
Hardware overview
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STM32
X-NUCLEO-IDW04A1 Hardware description
• The X-NUCLEO-IDW04A1 is a Wi-Fi evaluation board
based on the SPWF04SA module, which expand the
STM32 Nucleo boards. The CE, IC and FCC certified
SPWF04SA module has an embedded STM32 MCU, a
low-power Wi-Fi b/g/n SoC with integrated power amplifier
and power management and an SMD antenna. The
SPWF04SA module communicates with the STM32 Nucleo
developer board host microcontroller though an USART
link. The SPI interface can also be used for the same
purpose.
Main Features
• The X-NUCLEO-IDW04A1 hosts FCC, IC and CE certified
SPWF04SA module (FCC ID: S9NSPWFS04, IC ID:
8976C-SPWFS04 and ETSI compliant)
• Compatible with STM32 Nucleo boards
• Equipped both with Arduino UNO R3 connectors and ST
morpho connector
• Scalable solution; it can cascade multiple boards for larger
systems
• Free development firmware library and examples,
compatible with STM32 Cube
Wi-Fi transciever Chip Antenna
Arduino UNO R3 connector
Key product on board
SPWF04SA: ST Stand-alone and Serial-to-Wi-Fi
Modules, 802.11 b/g/n compliant
Latest info available at www.st.com
X-NUCLEO-IDW04A1
ST morpho connector
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Wi-Fi expansion board
Certification
Radio certification
• Formal notices required by the U.S. Federal Communications Commission (FCC). Any changes or modifications to this
equipment not expressly approved by STMicroelectronics may cause harmful interference and void the user’s authority to operate
this equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this
device may not cause harmful interference, and (2) this device must accept any interference received, including any interference that
may cause undesired operation. This device uses, generates and radiates radio frequency energy. The radio frequency energy
produced by this device is well below the maximum exposure limit established by the Federal Communications Commission (FCC).
The X-NUCLEO-IDW04A1 contains the FCC certified SPWF04SA module (FCC ID: S9NSPWFS04).
• Formal notices required by Industry Canada (IC).
• English: This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two
conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference
that may cause undesired operation of the device.
• French: Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence.
'Exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de
l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le
fonctionnement. The X-NUCLEO-IDW04A1 contains the FCC certified SPWF04SA module (IC ID: 8976C-SPWFS04)
• Formal notices required by the ETSI (CE). This module complies with the following European EMI/EMC and safety directives and
standards:
• EN 300 328 V1.9.1:2015
• EN 301 489-1 V1.9.2:2011 + EN 301 489-17 V2.2.1:2012 + EN 301 489-1 V1.8.1:2008
• EN 60950-1:2006 + A11:2009 + A1:2010 + A12:2011 + A2:2013
• EN 62479:2010
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Latest software available at www.st.com
X-CUBE-WIFI1
Wi-Fi expansion board
Software overview
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X-CUBE-WIFI1 software description
• X-CUBE-WIFI1 is an expansion software package
for STM32Cube. The software runs on STM32 and
it can be used for building Wi-Fi applications using
the SPWF01SA or SPWF04SA module. It is built
on top of STM32Cube software technology that
eases portability across different STM32
microcontrollers.
• It is compatible with the NUCLEO-L476RG and
the NUCLEO-F401RE when connected to one XNUCLEO-IDW04A1. The X-CUBE-WIFI1 software
comes with examples of implementation.
Key features
• Complete middleware to build applications using
the Wi-Fi module SPWF01SA or SPWF04SA
• Easy portability across different MCU families
thanks to the STM32Cube
• Easy to use abstract APIs to configure and use
SPWF01SA or SPWF04SA
• Sample applications that the developer can use to
start experimenting with the code
• Free, user-friendly license terms
Overall system architecture
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Quick Start Guide Contents
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X-NUCLEO-IDW04A1: STM32 Nucleo Wi-Fi expansion board
Hardware and Software overview
Setup & Demo Examples
Documents & Related Resources
STM32 Open Development Environment: Overview
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Setup & demo examples
HW prerequisites
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• 1x Wi-Fi expansion board
(X-NUCLEO-IDW04A1)
• 1x STM32 Nucleo development board
(NUCLEO-L476RG or NUCLEO-F401RE)
• 1x USB type A to Mini-B USB cable
Tera Term
terminal running on PC
Wi-Fi RouterPC (*)
AP
Router with internet
connection
(*) Microsoft Windows 7 or 8, or above
Additional requirements:
X-NUCLEO-IDW04A1
NUCLEO-F401RE
NUCLEO-L476RG
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Setup & demo examples
Software prerequisites (1/2)
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• STSW-LINK009: ST-LINK/V2-1 USB driver
• STSW-LINK007: ST-LINK/V2-1 firmware upgrade
• X-CUBE-WIFI1: 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 example (Keil, IAR EWARM, System Workbench for STM32) based on
NUCLEO-L476RG or NUCLEO-F401RE
• Tera Term Open Source Project (https://ttssh2.osdn.jp/index.html.en)
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Setup & demo examples
Software prerequisites (2/2)
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• Please check the firmware version flashed on the X-NUCLEO-IDW04A1 board
• In order to check the version, please follow these steps:
• STSW-WIFI004
• The STSW-WIFI004 (*) package provides the up-to-date SPSWF04Sx Wi-Fi Module Firmware
• Please see the document “X-NUCLEO-IDW04A1-FW upgrading over UART” located in X-CUBE-
WIFI/Documentation folder for more details on how to flash the FW to the X-NUCLEO-IDW04A1
From WiFi-VCOM project,
drag and drop
Project.bin on Nucleo drive
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Open Tera Term or any other serial port terminal on the PC connected to the STM32 Nucleo board using the
following settings: baud: 115200, Data: 8bit, Parity: None; Stop Bit: 1bit, Flow Ctrl: None
2
Reset the board and type on the terminal AT+S.STS. Visually check the date code for version compare it with
the latest SPWF04SA FW version available on www.st.com/wifimodules.
In case the onboard SPWF04 module FW version is not the latest one, please proceed with the update.
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(*) Available at www.st.com within Q2 / '17
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Wi-Fi expansion board
Start coding in just a few minutes with X-CUBE-WIFI1
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Download and unpack
X-CUBE-WIFI1
Go to www.st.com/x-nucleo
1
2
3
4
Select
X-NUCLEO-IDW04A1
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Modify and build application
Download and install STM32
Nucleo ST-LINK/V2-1 USB driver
STSW-LINK009
Package documentation
Wi-Fi USART driver
Wi-Fi middleware
Application examples
X-CUBE-WIFI1 package
Open project example
HTTP_Request
and in your toolchain select the project/target
configuration.
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Wi-Fi expansion board
Evaluate using X-CUBE-WIFI1 (1/4)
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1
Setup Wi-Fi router and internet connection
• Please setup the Wi-Fi router by powering it on.
• Please make sure that the router is connected to the internet
AP
connected
www
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Wi-Fi expansion board
Evaluate using X-CUBE-WIFI1 (2/4)
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From X-CUBE-WIFI1
software resource package,
drag and drop
Project.bin on STM32 Nucleo drive.
2
Open Tera Term or any other serial port terminal on the PC connected to the STM32
Nucleo board with the provided configuration settings
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Wi-Fi expansion board
Evaluate using X-CUBE-WIFI1 (3/4)
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4
Reset the board by pressing the reset button on the STM32 Nucleo board.
Configure the Application at run-time.
• The user will be prompted to enter the WI-FI settings.
• Change connection parameters of the application:
• ssid: the ssid of the router
• seckey: security key of the router if any
• mode: security type (WEP, WPA2)
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Wi-Fi expansion board
Evaluate using X-CUBE-WIFI1 (4/4)
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View the results on the serial terminal window
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internet
AP
HTTP GET
internet
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Documents & related resources
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X-NUCLEO-IDW04A1:
• Gerber files, BOM, and schematics
• DB3229: Wi-Fi expansion board based on SPWF04SA for STM32 Nucleo – Data Brief
• UM2183: Getting started with X-NUCLEO-IDW04A1, Wi-Fi expansion board based on SPWF04SA module
for STM32 Nucleo – User manual
X-CUBE-WIFI1:
• DB2732: Wi-Fi software expansion for STM32Cube – Data Brief
• UM1973: Getting started with the X-CUBE-WIFI1; Wi-Fi functions and applications software expansion for
STM32Cube – User Manual
• Software setup file
All documents are available in the DESIGN tab of the related products webpage
Consult www.st.com for the complete list
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Quick Start Guide Contents
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X-NUCLEO-IDW04A1: STM32 Nucleo Wi-Fi expansion board
Hardware and Software overview
Setup & Demo Examples
Documents & Related Resources
STM32 Open Development Environment: Overview
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STM32 Open Development Environment
Fast, affordable Prototyping and Development
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• The STM32 Open Development Environment (ODE) consists of a set of stackable boards
and a modular open SW environment designed around the STM32 microcontroller family.
www.st.com/stm32ode
Compatibility with multiple Development environments
STM32Cube development software
STM32 Nucleo expansion boards
STM32 Nucleo development boards
STM32Cube
expansion software
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Power supply
through USB or
external source
Integrated debugging
and programming
ST-LINK probe
STM32 microcontroller
Complete product range
from ultra-low power to high-performance
ST morpho extension header
STM32 Nucleo
Development Boards (NUCLEO)
• A comprehensive range of affordable development boards for all the STM32
microcontroller series, with unlimited unified expansion capabilities and integrated
debugger/programmer functionality.
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www.st.com/stm32nucleo
Arduino™ UNO R3 extension headers
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Move/ActuatePower InteractConnect
Sense
STM32 Nucleo
Expansion Boards (X-NUCLEO)
• Boards with additional functionality that can be plugged directly on top of the STM32
Nucleo development board directly or stacked on another expansion board.
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DIL24 support for
new devices
Motion MEMS sensors
Environmental sensors
www.st.com/x-nucleo
Example of STM32 expansion board (X-NUCLEO-IKS01A1)
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STM32 Open Development Environment
Software components
• STM32Cube software (CUBE) - A set
of free tools and embedded software bricks
to enable fast and easy development on
the STM32, including a Hardware
Abstraction Layer and middleware bricks.
• STM32Cube expansion software
(X-CUBE) - Expansion software provided
free for use with the STM32 Nucleo
expansion board and fully compatible with
the STM32Cube software framework. It
provides abstracted access to expansion
board functionality through high-level APIs
and sample applications.
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www.st.com/stm32cube
• Compatibility with multiple Development Environments - The STM32 Open Development
Environment is compatible with a number of IDEs including IAR EWARM, Keil MDK, and GCC-based
environments. Users can choose from three IDEs from leading vendors, which are free of charge and
deployed in close cooperation with ST. These include Eclipse-based IDEs such as Ac6 System
Workbench for STM32 and the MDK-ARM environment.
Tools&IDEs
Applicationexamples
(e.g.basedon ST OpenSoftwareX)
Hardware
SampleapplicationsApplications
IAREWARM,KeilMDK-ARM,GCC-basedIDEs
(e.g.Ac6SystemWorkbenchfor STM32)
STM32CubeHardware AbstractionLayer(HAL)
STM32Cube
middleware
Upperlevel middleware
(e.g.ST OpenSoftwareX)
Middleware
Hardware
Abstraction
STM32Cubeexpansion middleware
STM32 Nucleo expansionboards (X-NUCLEO)
STM32 Nucleo developerboards
OPEN LICENSE MODELS: STM32Cube software and sample applications are covered by a mix of fully open source BSD license and ST
licenses with very permissive terms.
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STM32 Open Development Environment
Building block approach
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The building blocks Your need Our answer
Move /
Actuate
Connect
Power
Sense
Process
Inertial modules, magnetometer
Proximity, microphone
Pressure, temperature, humidity
Bluetooth LE, Sub-GHz radio
NFC, Wi-Fi, GNSS
Energy management & battery
General-purpose microcontrollers
Stepper motor driver
DC & BLDC motor driver
Audio amplifier
COLLECT
TRANSMIT
ACCESS
CREATE
POWER
PROCESS
Software
Secure microcontrollers
Touch controller
Operation Amplifier
Accelerometer, gyroscope
Translate
Industrial input / output
www.st.com/stm32ode
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