Analog Devices EVAL-ADPD7000 Manual de usuario
User Guide | EVAL-ADPD7000
UG-2108
Evaluating the ADPD7000 Multimodal Sensor Front End
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS. Rev. 0 | 1 of 24
FEATURES
►Board supports ADPD7000 population
►6 separately driven LEDs are included: 3 green LEDs around the
center and 3 packaged LEDs, each of which includes 1 infrared
LED and 1 red LED
►4 channels of photodiode input: two channels with a single PD
and two channels with a double PD
►Works with the VSM Client evaluation software allowing the
following:
►Time domain graphing and logging
►Selection of supported functions, including PPG, BIA, EDA,
and ECG
►Real-time data display with various combinations of the sup-
ported functions
EVALUATION KIT CONTENTS
►EVAL-ADPD7000Z evaluation board
►EVAL-VSMUCZ microcontroller board
►Soft cable to connect the EVAL-ADPD7000Z and EVAL-
VSMUCZ
ADDITIONAL EQUIPMENT NEEDED
►USB to Type-C cable
►3.7 V battery
ONLINE RESOURCES
►ADPD7000 data sheet
►VSM Client software (available on the EVAL-ADPD7000 product
page)
GENERAL DESCRIPTION
This user guide describes the operation of the EVAL-ADPD7000Z
demonstration kit, which is an evaluation module for the
ADPD7000.
The ADPD7000 is a fully Integrated analog front end (AFE) for
wearable vital signal monitoring (VSM) devices. The key functions
of the ADPD7000 include photoplethysmography (PPG), electrocar-
diogram (ECG), body impedance analysis (BIA), and electrodermal
activity (EDA).
This demonstration kit includes both software and hardware. The
EVAL-ADPD7000Z can evaluate the AFE feature and verify the
system design based on the AFE. According to the requirements of
the application, the user can use a cable connection or Bluetooth
connection to establish communication between the PC and the
EVAL-ADPD7000Z demonstration kit.
This document also describes an example configuration of the
different functions of the ADPD7000.
For full details on the ADPD7000, see the ADPD7000 data sheet,
which must be consulted in conjunction with this user guide when
using the EVAL-ADPD7000Z.
EVALUATION BOARD PHOTOGRAPH
Figure 1. EVAL-ADPD7000Z Evaluation Board Photograph
User Guide EVAL-ADPD7000
TABLE OF CONTENTS
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Features................................................................ 1
Evaluation Kit Contents......................................... 1
Additional Equipment Needed............................... 1
Online Resources.................................................. 1
General Description...............................................1
Evaluation Board Photograph................................1
Preparation and Setup...........................................3
EVAL-ADPD7000Z Components........................3
PCB Connection.................................................3
Software Installation.............................................. 4
Power on the System............................................ 5
Power on the Cable Connection ........................5
Power on the Bluetooth Connection...................5
Add Device via Bluetooth................................... 5
VSM Client.............................................................7
Find the Device on the VSM Client.................... 7
Configure the Device..........................................8
Receive the Data................................................9
Human Measurement.......................................... 11
PPG Measurement........................................... 11
ECG Measurement...........................................11
BIA Measurement.............................................12
EDA Measurement...........................................12
Evaluation Board Schematics and Artwork......... 14
REVISION HISTORY
5/2023—Revision 0: Initial Version
User Guide EVAL-ADPD7000
PREPARATION AND SETUP
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EVAL-ADPD7000Z COMPONENTS
Figure 2 shows the components needed for evaluation.
Figure 2. EVAL-ADPD7000Z Demonstration Kit Components
PCB CONNECTION
Take the following steps to connect the printed circuit board (PCB).
1. Connect the battery to the connector on the EVAL-VSMUCZ
board. Ensure that the S1′ switch is OFF (see Figure 3).
Figure 3. Battery Connected to the EVAL-ADPD7000Z
2. Connect the EVAL-VSMUCZ board to the EVAL-ADPD7000Z
(see Figure 4 and Figure 5). Ensure that the EVAL-VSMUCZ
and EVAL-ADPD7000Z have the same pin order, and that the
pin numbers match.
Figure 4. EVAL-VSMUCZ Connection
Figure 5. EVAL-ADPD7000Z Connection
The blue tape shown in Figure 5 is used for electrical isolation
between the board and the skin.
User Guide EVAL-ADPD7000
SOFTWARE INSTALLATION
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The VSM Client software is the graphical user interface (GUI)
used for the EVAL-ADPD7000Z demonstration kit. The VSM Client
software is available on the EVAL-ADPD7000Z product page.
Take the following steps to install the VSM Client software:
1. Download and launch the VSM Client installer.
2. Read the software license agreement and click I Agree (see
Figure 6).
Figure 6. License Agreement
3. Select Only for me and click Next> (see Figure 7). Do not
select Anyone who uses this computer (all users) because
this option can cause the installation to suspend or fail.
Figure 7. Choose Installation Options
4. Click Browse... to choose the installation location and then click
Next > (see Figure 8).
Figure 8. Choose Installation Location
5. When the installation is complete, click Finish to complete the
installation process (see Figure 9).
Figure 9. Installation Complete
User Guide EVAL-ADPD7000
POWER ON THE SYSTEM
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After preparing the hardware and installing the software, the EVAL-
ADPD7000Z is ready to power on.
POWER ON THE CABLE CONNECTION
Connect the USB to the Type-C cable from the PC to J5 on the
EVAL-VSMUCZ to power on the EVAL-ADPD7000Z automatically.
The two indicator lights on the EVAL-VSMUCZ (DS1 and DS4) turn
on. If the S1′ switch in Figure 10 is set to on, the battery is charged
by the PC. Figure 10 shows the cable connection.
Figure 10. Cable Connection
POWER ON THE BLUETOOTH CONNECTION
Take the following steps to power on the system without the USB
cable:
1. On the EVAL-VSMUCZ, set the S1' switch to On. The stand-
alone DS1' indicator light emitting diode (LED) in Figure 10
turns on.
2. Press (for about 2 seconds) the S3 button on the EVAL-
VSMUCZ to power on the system. The two indicator lights
on the EVAL-VSMUCZ (DS1 and DS4) turn on.
ADD DEVICE VIA BLUETOOTH
Take the following steps to add the EVAL-VSMUCZ via Bluetooth
(these steps are shown using Windows® 10):
1. Click the Bluetooth Devices icon in the system tray and select
Add a Bluetooth Device (see Figure 11).
Figure 11. Add a Bluetooth Device
2. The Settings window opens (see Figure 12). Under Bluetooth
& other devices, click Add Bluetooth or other device.
Figure 12. Add Bluetooth Device from Settings Window
3. The Add a device window opens (see Figure 13). Select
Bluetooth.
Figure 13. Choose Bluetooth Device Type
User Guide EVAL-ADPD7000
POWER ON THE SYSTEM
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4. Select the EVAL-VSMUCZ from the list of devices (in this
example, Figure 14 shows the device as B8-7425A2). The
device is now connected (see Figure 15).
Figure 14. Select EVAL-VSMUCZ
Figure 15. Device Connected
After adding the EVAL-VSMUCZ, two Bluetooth serial ports
appear in the Device Manager window. For example, the
Standard Serial over Bluetooth link (COM10) and Standard
Serial over Bluetooth link (COM11) shown in Figure 16. The
user selects one of these two ports in the VSM Client software.
Figure 16. Device Manager
User Guide EVAL-ADPD7000
VSM CLIENT
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FIND THE DEVICE ON THE VSM CLIENT
Take the following steps to find the device on the VSM Client
software:
1. After installing the VSM Client, power on the EVAL-ADPD7000Z
and launch the VSM Client.
2. Click Click to connect in the start interface of the VSM Client
(see Figure 17).
Figure 17. Start Interface of the VSM Client
3. In the Hardware Connection pane, select the communication
(COM) port according to the connection method as follows:
a. If using a Bluetooth connection, two ports are available. In
the example shown in Figure 18, these ports are COM156
Microsoft BTHENUM and COM157 Microsoft BTHENUM.
Select one of the two ports. If the following steps cannot
be completed successfully with the selected port, select a
different port.
Figure 18. Bluetooth Connection COM Port
b. If using a cable connection, only one port is available (see
Figure 19). In the example shown in Figure 19, the port
is COM155 Microsoft USB. The COM serial port numbers
shown are examples only. Refer to the Device Manager for
the COM serial port numbers.
Figure 19. Cable Connection COM Port
The COM serial port numbers shown are examples only.
Refer to the Device Manager for the COM serial port
numbers.
4. Toggle the connection switch to Connect (see Figure 20).
When connected, a Success to connect target! pop-up ap-
pears at the top of the VSM Client window (see Figure 21),
and the Click to connect button changes to display Connect-
ed 7000. In addition, if using a Bluetooth connection, when
connected, a blue light in the black board of the EVAL-VSMUCZ
comes on. To disconnect the device, toggle the connection
switch to Disconnect. The following pop-up messages can
appear if the connection is unsuccessful:
a. Failed to connect target: undefined. Please try to recon-
nect. If this pop-up appears (see Figure 22), select the
other COM port and reconnect.
b. Fail to get firmware version! if this pop-up appears (see
Figure 23), the firmware version may not match the soft-
ware version. Update the firmware in the kit. For details on
updating the firmware, see the EVAL-ADPD7000Z product
page.
Figure 20. Toggle Connection Switch
Figure 21. Connection Successful
Figure 22. Failed to Connect Target Error
Figure 23. Failed to Get Firmware Version Error
5. From the Type dropdown menu, select one or more among the
four functions: ECG, PPG, BIOZ, or EDA (see Figure 24). Click
Select to enter the configuration interface.
User Guide EVAL-ADPD7000
VSM CLIENT
analog.com Rev. 0 | 8 of 24
Figure 24. Select Function
CONFIGURE THE DEVICE
Take the following steps to configure the device:
1. Click Load cfg File in the configuration interface of the VSM
Client to load a basic configuration file (see Figure 25). To
export the current configuration file, click Export cfg File to
save the script in the configuration file folder (see Figure 27). To
change the loaded .dcfg file, click Reset before continuing.
Figure 25. Configuration Interface
2. Click Click/Drag a .dcfg file to load to open the .dcfg file in
the Load Configuration window (see Figure 26). According
to the application or measurement conditions, the user can
choose the following initial configuration from the C:\Analog
Devices\VSM Client\VSM_Client\Cfg\ADPD7000 location:
a. ADPD7000_BIOZ_ms6.dcfg: BIA magnitude and phase
measurement
b. ADPD7000_ECG.dcfg: ECG channel signal measurement
c. ADPD7000_PPG_SLOTA_ch4.dcfg: PPG signal measure-
ment using LED1A
Figure 26. Choose Configuration File
The configuration files in the configuration file folder may
differ from those shown in Figure 27.
Figure 27. Configuration File Folder
3. Click Load (see Figure 28) to load the configuration file.
Figure 28. Load Configuration
4. After loading the configuration file, the Highlevel Configura-
tion tab shows the current device data (see Figure 29). This tab
shows the most used controls, which can be configured. To rest
the data, click Reset.
Figure 29. Highlevel Configuration Tab
5. To read or write to an individual register, click to the Register
Configuration tab. To check a register, enter the address in
the Register Address field and click Read (see Figure 30). To
change a register, enter the value in the Register Value field
and click Write (see Figure 31). See the ADPD7000 data sheet
for the detailed values of the registers.
Figure 30. Reading Individual Register
User Guide EVAL-ADPD7000
VSM CLIENT
analog.com Rev. 0 | 9 of 24
Figure 31. Writing Individual Register
6. If a Fail to read register or Fail to write register pop-up
appears (see Figure 32), check whether the device is discon-
nected or broken. If it still fails, reopen the VSM Client software
and restart the EVAL-VSMUCZ board.
Figure 32. Error Message when Configuring Individual Register
RECEIVE THE DATA
Take the following steps to receive data from the first in, first out
(FIFO) after running the EVAL-ADPD7000Z:
1. After connecting the device and loading the configuration file,
click Plot View to view the Plot View interface and click the run
button (see Figure 33).
Figure 33. Plot View Interface
2. The waveform appears in the Plot View page (see Figure 34).
Figure 34. Waveform
3. To adjust the dots number on the x-axis, select a value from the
X-axis dots number dropdown menu (see Figure 35).
Figure 35. Change X-Axis Dots Number
4. To view the waveforms of different slots and channels, select
the check boxes under the PPG Show Lines: (see Figure
36). Figure 36 shows slotA-Channel1 and slotA-Channel4
selected.
Figure 36. Select Slot and Channel Waveforms
5. Click Start Export to begin exporting the data received (see
Figure 37), and click Stop Export to stop exporting the data lo-
cally (see Figure 38). The exported data is saved in an .xlsx file.
If the export is successful, a Success to export data pop-up
appears (see Figure 39) noting the location of the .xlsx file as
follows: C:\Analog Devices\VSM Client\VSM_Client\Export.
In the Export folder, the file name notes the date, time, and
corresponding function of the export (see Figure 40).
Figure 37. Start Export
User Guide EVAL-ADPD7000
VSM CLIENT
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Figure 38. Stop Export
Figure 39. Export Successful
Figure 40. Export Folder
6. Click the pause button to stop receiving data (see Figure 41).
Figure 41. Stop Receiving Data
7. Click the Stop Plot Data button to clear the plot (see Figure
42).
Figure 42. Clear Plot Data
8. On the EVAL-ADPD7000Z, place a white reflective card before
LED and PD pair to get a DC waveform (see Figure 43) that
can be used to measure the performance of the system such
as signal-to-noise ratio (SNR), noise, and ambient light rejection
(ALR).
Figure 43. DC Waveform
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