Cypress CYW954907AEVAL1F User Manual
CYW954907AEVAL1F
Evaluation Kit User Guide
Doc. No. 002-22338 Rev. **
Cypress Semiconductor
198 Champion Court
San Jose, CA 95134-1709
www.cypress.com
Copyrights
Copyrights
© Cypress Semiconductor Corporation, 2018. This document is the property of Cypress Semiconductor Corporation and its
subsidiaries, including Spansion LLC (“Cypress”). This document, including any software or firmware included or referenced
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CYW954907AEVAL1F Evaluation Kit User Guide, Doc. No. 002-22338 Rev. ** 2
Contents
1. Introduction 6
1.1 CYW954907AEVAL1F EVK Contents .........................................................................6
1.2 CYW954907AEVAL1F Board Details ..........................................................................8
1.3 WICED Studio Development System Overview ........................................................10
1.4 WICED Studio Code Examples .................................................................................11
1.5 Kit Code Examples ....................................................................................................12
1.6 Getting Started...........................................................................................................12
1.7 IoT Resources and Technical Support ......................................................................13
1.8 Additional Learning Resources..................................................................................13
1.9 Document Conventions .............................................................................................13
1.10 Acronyms...................................................................................................................14
2. Software Installation 15
2.1 Before You Begin.......................................................................................................15
2.2 Install Software ..........................................................................................................15
3. Kit Operation 18
3.1 Theory of Operation...................................................................................................18
3.2 On-board programmer/Debugger and Serial Interface Chip......................................18
3.3 CYW954907AEVAL1F Kit Connection ......................................................................19
3.3.1 Verifying Driver Installation.............................................................................19
3.3.2 Troubleshooting..............................................................................................20
3.3.3 External Power Supply..................................................................................20
3.4 Building, Programming, and Debugging CYW954907AEVAL1F EVK.......................21
3.4.1 Building and Programming a Project for CYW954907AEVAL1F
in WICED Studio IDE .....................................................................................21
3.4.2 Troubleshooting..............................................................................................24
3.4.3 Debugging a Project using Breakpoints .........................................................25
4. Hardware 29
4.1 Bootstrap ...................................................................................................................29
4.2 User Switches............................................................................................................30
4.3 LED............................................................................................................................31
4.4 Reset Control.............................................................................................................32
4.5 Ethernet .....................................................................................................................33
4.6 Micro SD Connector/Slot ...........................................................................................35
4.7 JTAG Connector ........................................................................................................36
4.7.1 On-board Programmer/Debugger and Serial Interface Chip..........................36
4.7.2 External JTAG................................................................................................36
4.8 Connectors ................................................................................................................38
4.8.1 WICED Header ..............................................................................................38
4.8.2 Arduino-Compatible Headers.........................................................................40
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Contents
4.9 UART Port Configuration on CYW954907AEVAL1F Kit............................................41
4.10 External ADC .............................................................................................................42
4.11 PWM ..........................................................................................................................43
5. Code Examples 45
5.1 Using Code Examples ...............................................................................................45
5.2 GPIO..........................................................................................................................45
5.2.1 Project Description .........................................................................................45
5.2.2 Hardware Connections...................................................................................45
5.2.3 Verify Output ..................................................................................................46
5.3 Config_join_ping ........................................................................................................46
5.3.1 Project Description .........................................................................................46
5.3.2 Hardware Connections...................................................................................46
5.3.3 Flow Chart......................................................................................................47
5.3.4 Verify Output ..................................................................................................48
5.4 ADC_measure ...........................................................................................................51
5.4.1 5.4.1 Project Description ...............................................................................51
5.4.2 Hardware Connections...................................................................................52
5.4.3 Flow Chart......................................................................................................53
5.4.4 Access Point Credentials ...............................................................................54
5.4.5 Verify Output ..................................................................................................54
5.5 Publish_subscribe_aws .............................................................................................55
5.5.1 Project Description .........................................................................................55
5.5.2 Hardware Connections...................................................................................56
5.5.3 Flow Chart......................................................................................................56
5.5.4 Verify Output ..................................................................................................57
Revision History 67
CYW954907AEVAL1F Evaluation Kit User Guide, Doc. No. 002-22338 Rev. ** 4
Safety Information
The CYW954907AEVAL1F EVK is intended for use as a development platform for hardware or software in a laboratory environment. The board is an open-system design, which does not include a
shielded enclosure. Due to this reason, the board may cause interference with other electrical or
electronic devices in close proximity. In a domestic environment, this product may cause radio interference. In such cases, take adequate preventive measures. Also, do not use this board near any
medical equipment or RF devices.
Attaching additional wiring to this product or modifying the product operation from the factory default
may affect its performance and cause interference with other apparatus in the immediate vicinity. If
such interference is detected, suitable mitigating measures must be taken.
The CYW954907AEVAL1F contains electrostatic discharge (ESD)-sensitive devices.
Electrostatic charges readily accumulate on the human body and any equipment, and can
discharge without detection. Permanent damage may occur on devices subjected to highenergy discharges. Proper ESD precautions are recommended to avoid performance
degradation or loss of functionality. Store unused CYW954907AEVAL1F in the protective
shipping package.
End-of-Life/Product Recycling
This kit has an end-of-life cycle of five years from the year of manufacturing mentioned
on the back of the box. Contact your nearest recycler for discarding the kit.
General Safety Instructions
ESD Protection
ESD can damage boards and associated components. Cypress recommends that the user perform
procedures only at an ESD workstation. If an ESD workstation is not available, use appropriate ESD
protection by wearing an antistatic wrist strap attached to the chassis ground (any unpainted metal
surface) on the board when handling parts.
Handling Boards
CYW954907AEVAL1F boards are sensitive to ESD. Hold the board only by its edges. After removing the board from its box, place it on a grounded, static-free surface. Use a conductive foam pad if
available. Do not slide the board over any surface. Any physical action on CYW954907AEVAL1F
such as changing wires, jumper settings, or measuring voltages can cause stress on the
CYW954907AEVAL1F printed circuit board assembly (PCBA). You must ensure that the PCBA has
proper support on the bottom side to avoid stress on the PCBA when the EVK is in operation.
CYW954907AEVAL1F Evaluation Kit User Guide, Doc. No. 002-22338 Rev. ** 5
1. Introduction
Thank you for your interest in the CYW954907AEVAL1F Evaluation Kit (EVK). The CYW954907AEVAL1F EVK enables customers to evaluate and develop single-chip Wi-Fi applications using
CYW54907 devices.
The CYW954907AEVAL1F EVK uses WICED Studio 6.0 (or later) to develop and debug your
CYW54907 project. CYW954907AEVAL1F EVK offers footprint-compatibility with Arduino shields. In
addition, the kit features an RJ-45 Ethernet connector, and onboard programmer/debugger and
serial bridge chip. The CYW954907AEVAL1F EVK supports only 3.3 V as the operating voltage.
WICED Studio 6.0 (or later) supports application development using a WICED development board
(CYW954907AEVAL1F). The development system is compatible with the Windows, OS X, and Linux
operating systems. This document provides instructions for utilizing peripherals, such as I2C or SPI,
in WICED sample applications using the WICED Studio Integrated Development Environment (IDE).
Note: This document applies to WICED Studio 6.0 (or later).
The CYW954907AEVAL1F EVK is available through the Cypress Online Store or through our distrib-
utors.
1.1 CYW954907AEVAL1F EVK Contents
The CYW954907AEVAL1F EVK includes the following:
■ One CYW954907AEVAL1F Evaluation Board with assembled Arduino headers
■ One USB 2.0 Type-A to Micro-B cable
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Figure 1-1. CYW954907AEVAL1F Kit Contents
Introduction
Inspect the contents of the kit. If you find any part missing, contact your nearest Cypress sales office
for assistance: www.cypress.com/support.
Hardware Not Included with the Kit
The CYW954907AEVAL1F EVK does not come with all the hardware needed to perform the demonstrations documented in this guide.
The following hardware is not included with this kit:
■ RJ-45 Ethernet cable
■ External power supply
■ Dual external antenna
■ Potentiometer
■ Jumper Wires
■ SD card
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1.2 CYW954907AEVAL1F Board Details
The CYW954907AEVAL1F board consists of the blocks shown in Figure 1-2 and Figure 1-3.
1. Reset Switch (SW2)
2. RJ45 Connector (J14)
3. Micro USB (Programming and Debugging) (J5)
4. 5-12V Power Input (J8)
5. WICED Header (J6)
6. Arduino Header (J13)
7. User Switch 1 (SW3)
8. User Switch 2 (SW1)
9. Arduino Header (J9)
10. PCB Antenna-Main (ANT1)
11. Connector for External Antenna 1 (J1)
12. CYW54907 Type 1PS Module (Murata) (U14)
13. PCB Antenna-Diversity (ANT0)
14. Connector for External Antenna 0 (J2)
15. On-board /External JTAG Switch (SW4)
16. External JTAG Header (J3)
17. Arduino Header (J10)
18. Arduino Header (J12)
19. External PHY chip(U12) - BCM5241
20. External ADC Chip (U3)
21. Micro SD Connector/slot (J7)
Introduction
Figure 1-2. CYW954907AEVAL1F Evaluation Board
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Figure 1-3. CYW954907AEVAL1F Evaluation Board (Back View)
Introduction
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1.3 WICED Studio Development System Overview
WICED Studio 6.0 (or later) supports application development using the WICED Evaluation Board
(CYW954907AEVAL1F EVK). Tabs and their location in the WICED IDE are as shown in Figure 1-4.
Figure 1-4 illustrates the following:
1. Edit your application firmware.
2. Help Window that contains instructions on building and downloading applications.
3. Explore existing applications/firmware and library of the Software Development Kit (SDK).
4. View Build messages in the Console window.
5. Create and edit Make Targets for the platform to build your Application/Project.
Figure 1-4. WICED IDE
Introduction
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1.4 WICED Studio Code Examples
WICED Studio includes libraries and code examples supporting both Bluetooth and Wi-Fi platforms.
Selecting the 43xxx_Wi-fi Filter will show only Wi-Fi platform related files in the project explorer as
shown in Figure 1-5.
Application examples can speed up the design process by serving as templates for development.
Code examples are located under the apps category (in the Project explorer window), as shown in
Figure 1-6. Code examples under apps are further grouped into demo, snip, test, waf (WICED Appli-
cation Framework), and wwd (WICED Wi-Fi Driver Application) directories.
The demo directory contains applications that combine various WICED features into a single application. The snip directory contains application snippets that demonstrate how to use various WICED
libraries and API functions. The test directory contains applications that are used for simple test and
utility. The waf directory contains applications that are part of WICED Application framework, for
instance, the bootloader. The wwd directory contains applications that are developed using the low
level wwd API calls and do not rely on higher level WICED APIs. Located within each subdirectory in
the apps folder is a README.txt that lists and summarizes the applications located within the folder.
It should also be noted that not all applications are supported in all platforms. The snip directory contains a README.txt with a matrix on what applications are supported in what platforms. For more
details on the WICED software stack and APIs, review the Application notes and documents available in the doc folder <WICED SDK installation folder>/WICED-Studio-6.0/43xxx_Wi-Fi/doc.
WICED-QSG204 available in the same path is a good document to start with.
Introduction
Figure 1-5. Filter for Wi-Fi Code Example in WICED Studio
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Figure 1-6. Code Examples under apps Category
Introduction
1.5 Kit Code Examples
In addition to the examples available in WICED Studio, this EVK includes a few additional code
examples, which can be used to quickly evaluate CYW54907 using this kit. These examples are
described in the Code Examples chapter.
1.6 Getting Started
To learn quickly about CYW954907AEVAL1F EVK, refer to the CYW954907AEVAL1F Quick Start
Guide inside the kit box.
This user guide will help you get acquainted with CYW954907AEVAL1F EVK:
■ The Software Installation chapter describes the installation of the kit software. This includes
extracting the required files for WICED Studio 6.0 (or later).
■ The Kit Operation chapter describes the major sections of the kit such as the on-board program-
mer/debugger chip, reset control, headers, programming and debugging of the kit, and Ethernet
interface.
■ The Hardware chapter describes the CYW954907AEVAL1F EVK hardware and its different
blocks.
■ The Code Examples chapter describes code examples that will help you understand how to get
started with WLAN basic examples.
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1.7 IoT Resources and Technical Support
Cypress provides a wealth of data at www.cypress.com/internet-things-iot to help you to select the
right IoT device for your design, and quickly and effectively integrate the device into your design.
Cypress provides customer access to a wide range of information, including technical documentation, schematic diagrams, product bill of materials, PCB layout information, and software updates.
Customers can acquire technical documentation and software from the Cypress Support Community
website (https://community.cypress.com). For assistance, go to: www.cypress.com/support.
1.8 Additional Learning Resources
Visit CYW954907AEVAL1F EVK and CYW54907 for additional learning resources including data-
sheets and application notes.
1.9 Document Conventions
Table 1-1. Document Conventions for Guides
Convention Usage
Courier New
Italics Displays file names and reference documentation.
[Bracketed, Bold]
File > Open
Bold
Times New Roman
Text in gray boxes Describes Cautions or unique functionality of the product.
Displays file locations, user entered text, and source code:
C:\ ...cd\icc\
Displays keyboard commands in procedures:
[Enter] or [Ctrl] [C]
Represents menu paths:
File > Open > New Project
Displays commands, menu paths and icon names in procedures:
Click the File icon and then click Open.
Displays an equation:
2 + 2 = 4
Introduction
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1.10 Acronyms
Table 1-2. List of Acronyms used in this Document
Acronym Definition
SPI Serial Peripheral Interface
EVK Evaluation Kit
SDK Software Development Kit
WICED Wireless Internet Connectivity for Embedded Devices
JTAG Joint Test Action Group
2
C
I
MQTT Message Queue Telemetry Transport
POR Power-on-Reset
PMU Power Management Unit
VTRIM Voltage Trimming
LPO Low Power Oscillator
GPIO General Purpose Input Output
UART Universal Asynchronous Receiver/Transmitter
AWS Amazon Web Services
IDE Integrated Development Environment
WLAN Wireless Local Area Network
Introduction
Inter-Integrated Circuit
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2. Software Installation
This chapter describes the steps to install the software tools and packages on a PC for using the
CYW954907AEVAL1F EVK. This includes the WICED IDE in which the projects will be built and
used for programming.
2.1 Before You Begin
All Cypress software installations require administrator privileges. Ensure that you have the required
privileges on the system for successful installation. Before you install the kit software, close any
other Cypress software that is currently running. Ensure you have installed WICED Studio 6.0 (or
later).
2.2 Install Software
Follow these steps to install the CYW954907AEVAL1F Evaluation Kit software:
1. Download and install WICED Studio 6.0 (or later) from this web page. Following is a screenshot
of the Installer Window when opened.
2. Select two Folders, one for the IDE and the other for the SDK. The folder for the SDK contains
the Framework for developing Wi-Fi applications.
3. As a last step in installation, installer will ask to select between Wi-Fi and Bluetooth platform.
Select 43xxx_Wi-Fi as default.
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Software Installation
4. Download the CY954907AEVAL1F_KitPackage.zip software from here. The software is available as a zip file.
5. Locate the WICED Wi-Fi-SDK directory in your PC. The default location is C:\Users\<user
name>\Documents\WICED-Studio-6.0\43xxx_Wi-Fi, as shown in Figure 2-1. However, it may be
in a different location depending on the path you choose when installing WICED Studio.
USB to serial UART with 3.3V TTL Adapter cable allows to connect between Host or computer
and CYW89072EVAL. This connection refers as a regular serial communication
Figure 2-1. WICED SDK Directory
6. Copy the CY954907AEVAL1F_KitPackage.zip file and extract to a temporary location such as
"temp". The zip file will extract two directories called "apps" and "resources" inside the temp/
CYW954907AEVAL1F_KitPackage/ directory. Select both of them, Copy (CTRL+C) and paste
(CTRL+V) into C:\Users\<user name>\Documents\WICED-Studio-6.0\43xxx_Wi-Fi. Choose the
option to merge with existing folders.
Alternately, copy the CY954907AEVAL1F_KitPackage.zip to the location specified above and
use the Extract Here option if you have 7-Zip or another unzip utility. The zip file should be
merged to the existing folders. If WICED Studio 6.0 (or later) is opened with 43xxx_Wi-Fi as the
WICED Filter (Figure 1-5), then the new folders appear as shown in Figure 2-2.
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Figure 2-2. Setup Package in WICED Studio 6.0 (or later)
Software Installation
7. The CY954907AEVAL1F_KitPackage.zip package contains three code examples which add to
the existing set of examples available in WICED Studio 6.0 or later. Unzipping creates the kits
directory under apps, and adc_measure in the resources\apps directory.
After unzipping, if the projects are not visible in WICED Studio 6.0 (or later), then right-click the
top most folder (43xxx_Wi-Fi) and click Refresh, as shown in Figure 2-3.
Figure 2-3. Refresh Top Folder
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3. Kit Operation
This chapter introduces you to the CYW954907AEVAL1F EVK and the features that will be used as
part of Kit operation. Features such as Wi-Fi connection and programming/debugging are discussed
in this chapter. The chapter also describes the USB-UART that can be used to communicate with the
CYW54907 device on this EVK.
3.1 Theory of Operation
Figure 3-1 illustrates the block diagram of the CYW954907AEVAL1F EVK. This board contains
CYW54907 based SiP which is a Type 1PS Wireless module. This module is an embedded network
controller solution from Murata. This board also contains a USB-Serial interface / JTAG programmer
/ debugger. This board features Arduino form-factor compatible headers, which enables Arduino
shields to be plugged on top, extending its capabilities. This board also features two user switches,
two user LEDs, an RJ-45 connector for Ethernet, and a reset switch for the wireless module.
Figure 3-1. Block Diagram of CYW954907AEVAL1F EVK
3.2 On-board programmer/Debugger and Serial Interface Chip
An FT-2232-HQ chip is used for onboard programming, debugging and USB-Serial functionality. It
connects to the computer over a USB interface and connects to the CYW54907 based SiP module
over JTAG and UART pins. Alternately, you can use the External JTAG connector (J3) along with
switch SW4 (in all closed positions) in order to use JTAG from connectors such as Olimex.
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3.3 CYW954907AEVAL1F Kit Connection
The CYW954907AEVAL1F EVK can be powered by the following options:
■ External power supply
■ USB
When using external power supply, you should use a 5 V - 12 V, 2A power supply with 2.1 mm DC
Jack (center pin positive). When powered from USB, there are two logical USB devices: a USBJTAG device and a USB-UART device. Drivers for the CYW954907AEVAL1F EVK are automatically
installed during the WICED SDK installation process. When you connect the kit for first time to your
PC, it will initiate the driver search as shown in Figure 3-2.
Figure 3-2. Driver Software Installation
Kit Operation
3.3.1 Verifying Driver Installation
To verify the successful completion of driver installation, perform these steps:
1. Right-click My Computer > Properties.
2. In the System Properties window, select Device Manager.
a. The WICED USB Serial Port is listed under Ports (COM & LPT) as shown in Figure 3-3.
b. The WICED USB JTAG Port is listed under WICED USB JTAG Devices as shown in
Figure 3-3.
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Kit Operation
In Figure 3-3, the Device Manager window identifies the WICED USB Serial COM port as COMXX.
The assigned port number varies between systems. If the device displays two WICED USB Serial
Ports (WICED USB Serial port and WICED USB JTAG Port) instead of one, then follow the link mentioned in this post.
Figure 3-3. Verifying Device Driver Installation
3.3.2 Troubleshooting
If an error occurred during the automatic driver installation process, the driver may be manually
installed from the following directory: <WICED-SDK>\Drivers\Windows\wiced_uart.
If the CYW954907AEVAL1F EVK does not appear in the Device Manager, verify that the +3V3 LED
is turned ON and check the USB cable.
3.3.3 External Power Supply
The CYW954907AEVAL1F EVK can be supplied using an external power supply (5V-12V, 2A), using
a 2.5 mm DC Jack with center pin positive. When using external power supply and also connecting a
USB cable (for programming/debugging or USB-UART), the voltage on the external power supply
should be greater than that of the USB supply, if not the kit will be actually sourcing its power from
USB rather than the external power supply.
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Kit Operation
3.4 Building, Programming, and Debugging CYW954907AEVAL1F EVK
3.4.1 Building and Programming a Project for CYW954907AEVAL1F in WICED Studio
IDE
To build and program a project for CYW954907AEVAL1F EVK, perform the following steps:
1. To open the WICED IDE on Windows PC, go to Start > All Programs > Cypress > WICED-Stu-
dio.
2. Select 43xxx_Wi-Fi in the WICED Target selector drop-down box as shown in Figure 1-4. Build-
ing a project requires a corresponding make target, located in the Make Target window. All Applications should go under the apps directory. The make target path will contain the directory
hierarchy starting from apps with directory names separated by a period. The project name is
followed by a hyphen and then the platform name. Finally, the actions to be performed after the
build are specified such as download and run. For example, to build, download, and run the
application scan which exists in apps\snip\scan, create the following make target:
snip.scan-CYW954907AEVAL1F download run
This project will periodically scan for Wi-Fi access points and will list them using the serial to USB
connection on the kit.
Note: By default, kit comes pre-programmed with the same snip.scan example.
Perform these steps to create the make target, build, program, and test application scan:
3. Right-click 43xxx_Wi-Fi in Make Target window as shown in Figure 3-4 and click New.
Figure 3-4. Creating New Make Target
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