ST STEVAL-IPC004V1 User manual

May 2014 DocID023545 Rev 1 1/59
UM1560
User manual
STEVAL-IPC004V1: handheld point-of-sale (POS)
based on the STM32F1 series
Introduction
This user manual describes the functioning of the handheld point-of-sale system (the
STEVAL-IPC004V1) based on the STM32F1 series.
The system consists of the inbuilt thermal printer, external bar code scanner, memory
interface, LCD display, rechargeable battery supply system and many other features.
This system works like a typical POS. It catches the item information thanks to a USB-based
bar code scanner and after processing the information, adds it to the transaction record.
There are 2 methods of payment: smart card/ magnetic card interface over GPRS or cash
through keypad. The thermal printer prints the sales report and the result is recorded in the
onboard memory. The STEVAL-IPC004V1 operates from a 5 V adaptor, which is connected
to the board through the power jack provided. The system also comes with a PC-based
server application which has various access levels to control the STEVAL-IPC004V1
activities such as registration, the loading of item allotment tables in the internal memory,
and the storage of sales data for future reference. The server keeps sales data in the
database up to 2 months and it also monitors the STEVAL-IPC004V1 health status and
accordingly enables/disables its functioning. For human interaction, there is a keypad with
16 keys allowing a flexible interface. Finally, the system can be customized to include
interfaces such as: smart card, GPRS as per customer requests.
Figure 1. STEVAL-IPC004V1 evaluation board
www.st.com

Contents UM1560
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Contents
1 Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1 System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.2 Package contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.3 Hardware installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.3.1 Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.3.2 Jumper/ connector settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.4 Software installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2 STEVAL-IPC004V1 evaluation board description . . . . . . . . . . . . . . . . . 11
2.1 STEVAL-IPC004V1 evaluation board architecture . . . . . . . . . . . . . . . . . . .11
2.2 STEVAL-IPC004V1 evaluation board block diagram . . . . . . . . . . . . . . . . 12
2.3 STEVAL-IPC004V1 behavior diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3 Major component description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.1 STEVAL-IPC004V1 PC server application . . . . . . . . . . . . . . . . . . . . . . . . 14
3.2 Web-based virtual bank application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.3 Front keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.4 Thermal printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.5 External bar code scanner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.6 Monochrome graphic LCD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.7 GPRS interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.8 Smart card interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.9 Magnetic card interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.10 Memory interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.11 Battery charger interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.12 Other interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4 Interaction with the server to setup the STEVAL-IPC004V1 . . . . . . . . 18
4.1 Starting the STEVAL-IPC004V1 evaluation board . . . . . . . . . . . . . . . . . . 18
4.2 Starting the STEVAL-IPC004V1 server application . . . . . . . . . . . . . . . . . 18
4.3 Connecting the STEVAL-IPC004V1 to the server application . . . . . . . . . 20
4.4 STEVAL-IPC004V1 registration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

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4.5 STEVAL-IPC004V1 synchronization with server application . . . . . . . . . . 22
5 Using the STEVAL-IPC004V1 for transactions . . . . . . . . . . . . . . . . . . . 24
5.1 Starting transaction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
5.2 Adding item to the transaction table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
5.3 Completing the transaction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5.4 Payment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5.4.1 Cash mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5.4.2 Card mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
5.5 Recording of sales record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6 Inventory management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6.1 Adding item to the inventory list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6.2 To view the inventory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
6.3 Updating inventory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
6.4 Sales record view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Appendix A Schematic diagram and bill of materials. . . . . . . . . . . . . . . . . . . . . 33
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

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List of figures
Figure 1. STEVAL-IPC004V1 evaluation board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Figure 2. Component dependency. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 3. SQL server installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 4. SQL server component installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 5. Installation window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 6. License window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 7. Customer information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 8. Destination folder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 9. Ongoing installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 10. STEVAL-IPC004V1 layered architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 11. STEVAL-IPC004V1 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 12. STEVAL-IPC004V1 behavior diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 13. STEVAL-IPC004V1 PC-based server application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 14. Virtual bank application. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 15. STEVAL-IPC004V1 keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 16. User login information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 17. Connecting STEVAL-IPC004V1 to server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 18. Unregistered terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 19. Register window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 20. Authenticated STEVAL-IPC004V1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 21. Synchronize tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 22. Synchronization operation result . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 23. Inventory report tab. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 24. Add to inventory tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 25. Item added successfully . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 26. View inventory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 27. Search result by category search criteria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 28. Updated item in inventory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 29. Sales tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 30. Sales record tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 31. Schematic diagram (1/11). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 32. Schematic diagram (2/11). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 33. Schematic diagram (3/11). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 34. Schematic diagram (4/11). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 35. Schematic diagram (5/11). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 36. Schematic diagram (6/11). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 37. Schematic diagram (7/11). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 38. Schematic diagram (8/11). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Figure 39. Schematic diagram (9/11). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Figure 40. Schematic diagram (10/11). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 41. Schematic diagram (11/11). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

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1 Getting started
1.1 System requirements
Software
– Processor: minimum 500 MHz, recommended 1.0 GHz
– RAM: minimum 256 MB, recommended 1 GB depending on the operating system
used
– Hard disk: 7200 rpm HDD
– Supported operating systems: Windows Server 2003; Windows XP
– The latest service pack and critical updates are requested according to the version
of Windows used. These can be downloaded from Microsoft update website
– Microsoft .NET Framework 2.0 SP1 has to be installed on the PC
– Microsoft Internet Explorer 7.0 (with the latest service pack) has to be installed
– VC++ 2005 runtime has to be installed on the system
– Full installation of POS software application requires about 10 MB of hard disk
space. Additional space may be required for inventory database
To know the operating system present in the computer, below steps can be followed:
1. Click “start”
2. Right click “my computer”
3. Click “properties”
4. Go to system tab where the operating system is listed
1.2 Package contents
The STEVAL-IPC004V1 system includes the following items:
1. Hardware content: the STEVAL-IPC004V1 evaluation board
2. Software content: PC-based server application software with help file
1.3 Hardware installation
1.3.1 Power supply
The board can be powered either connecting a 5 V, 2.5 A adapter to J12 or by 7.2 V, 2 A Li-
Ion-based battery pack. The correct terminal of the battery, BT1, has to be connected to the
main board (refer to the schematic in appendix A). A battery charging circuitry is also
implemented on the board.
1.3.2 Jumper/ connector settings
Most of connectors are always available on the system and some of them are very
important for the correct use of the system.

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BT1 (battery connector):
BT1 is the optional battery connector, which connects the battery to the system and its
specifications are: 7.2 V, 2 A.
J12 (power jack connector):
J12, power jack connector, connects the external DC supply to the system (2.5 A power
supply); the default supply is 5 V, 2.5 A. However, the print quality of the thermal printer can
be improved if a higher voltage: 7 V, 2.5 A is connected.Therfore, J12 should be connected
manually to the appropriate external power supply. The maximum DC input should be less
than 10 V for safe operation.
J14 (USB micro AB connector):
J14 is used for USB operation to connect to PC or to connect to USB scanner. J2 (DFU
connector) enables DFU mode to upgrade the firmware.
1.4 Software installation
The latest version of the PC application software can be downloaded from St’s official
website.
To install the PC-based STEVAL-IPC004V1 server application software, follow below steps:
•Step 1: click the setup.exe icon and the following window appears.
Figure 2. Component dependency
This window appears if SQL server 2005 is not installed in your system. So, click “Install” to
start the installation as shown in Figure 3.

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Figure 3. SQL server installation
Please, follow instructions and accept both terms and conditions as displayed in Figure 4.
Figure 4. SQL server component installation

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•Step 2: when the software has been installed, the following window appears, see Figure 5.
Click on “Next” button.
Figure 5. Installation window
•Step 3: read the license file and click on “I accept” button if you accept it.
Figure 6. License window

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•Step 4: below, the application registration window, fill in the form and click on “Next”
button.
Figure 7. Customer information
•Step 5: select the folder where the software has to be installed. The destination folder is
by default C:\....\STMicroelectronics\POS PC Application\.
Figure 8. Destination folder

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•Step 6: click on “Next” button to start the software installation.
Figure 9. Ongoing installation
When the installation has been completed, the window appears, so click on “Finish” button
to complete the operation. The software is now available in the selected directory or in the
default directory. Besides, the shortcut of this software is also available in START menu.
Warning: When POS evaluation board is connected for the first time,
the driver is requested. The path for driver installation is by
default C:\Program Files\STMicroelectronics\POS PC
Application\Driver.

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2 STEVAL-IPC004V1 evaluation board description
2.1 STEVAL-IPC004V1 evaluation board architecture
POS evaluation board is a modular system based on the STM32F1 series which comes with
server applications to complete the transaction.
The STEVAL-IPC004V1 bases on a layered architecture which can be divided in the
following sections:
a) Application management layer
b) Component layer
c) Peripheral layer
Figure 10. STEVAL-IPC004V1 layered architecture
a) Application management layer.
This is the main application layer of the STEVAL-IPC004V1, whose major role is to
interact with the server application and to handle various events and output the
correct message on LCD.
b) Component layer management.
This is a critical layer, which acts as a bridge between various device libraries and
the application layer. Each component of this layer has a specific behavior. For
example the bar code scanner component handles all events related to the bar
code scanner.
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c) Peripheral layer.
This is the driver layer and it is the software implementation over the STM32F1
hardware to use all available peripherals.
2.2 STEVAL-IPC004V1 evaluation board block diagram
Figure 11. STEVAL-IPC004V1 block diagram

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2.3 STEVAL-IPC004V1 behavior diagram
Figure 12 shows the STEVAL-IPC004V1 behavior diagram.
Figure 12. STEVAL-IPC004V1 behavior diagram
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3 Major component description
3.1 STEVAL-IPC004V1 PC server application
The STEVAL-IPC004V1 evaluation board is a modular system based on the STM32F1
series, which comes with server applications to complete the transaction.
The system interacts with a PC-based server application on a USB-based vendor specific
protocol. Before the initialization, an authentication process based on AES128 encryption
algorithm is performed. Once the STEVAL-IPC004V1 system is authenticated, access to
sales record is allowed.
Figure 13. STEVAL-IPC004V1 PC-based server application
To know the details about the STEVAL-IPC004V1 server application, please refer to its help
file.

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3.2 Web-based virtual bank application
In this web-based virtual bank application, a new account can be added. During the
cashless transaction, the STEVAL-IPC004V1 system uses the magnetic card/ smart card
interface over GPRS.
Figure 14. Virtual bank application
3.3 Front keypad
The STEVAL-IPC004V1 keypad is given in Figure 15.
Figure 15. STEVAL-IPC004V1 keypad
On the front keypad, 16 keys are present:
•“A” complete key: to complete the ongoing transaction.
•“C” cancel key: to cancel the ongoing transaction.
•“B” back key: to delete one character from the LCD during bar code and cash entry from
the numeric keypad. By pressing “B” key the previous transaction can be deleted.

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•“*” up key: to go up in the menu.
•“#” down key: to go down in the menu.
•“D” enter key: to select the current selected item from the menu.
•“0” - “9” numeric keys: they are only used to manually enter the bar code information and
the cash information.
3.4 Thermal printer
Fujitsu FTP-628 MCL101/103 series ultra compact thermal printer is used in the current
STEVAL-IPC004V1 evaluation board. This kind of printer is quite useful in applications such
as handheld POS. For detailed information, please refer to FTP-628 MCL101/103 series.
3.5 External bar code scanner
The STEVAL-IPC004V1 supports any USB driver bar code scanner. So any external power
supply for this scanner is useless.
3.6 Monochrome graphic LCD
This system uses a 132x64 monochrome graphic LCD HTG13264C, with a 3.3 V supply.
3.7 GPRS interface
This system supports GPRS interface over USART. The current supported module is
SIM900D but it can also be customized for other modules.
3.8 Smart card interface
This system supports the ST8024 smart card interface.
3.9 Magnetic card interface
The system supports dual and single track interface.
3.10 Memory interface
The system uses serial NOR N25Q064. In addition, NAND512 interface is also provided for
additional memory requirements.

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UM1560 Major component description
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3.11 Battery charger interface
Driven by the STM8S microcontroller, this section comes with a customizable dual cell Li-
Ion battery charger. This charger is flexible in terms of setting charging voltage, charging
current etc.
3.12 Other interfaces
The STEVAL-IPC004V1 also has the following interfaces:
•UART interface
•Pen drive interface

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4 Interaction with the server to setup the STEVAL-
IPC004V1
4.1 Starting the STEVAL-IPC004V1 evaluation board
The STEVAL-IPC004V1 evaluation board has to be powered up, as described in
Section 1.3.1. Some messages can be read on the LCD screen, finally the below message
appears:
•"In Conf Mode"
This means that the STEVAL-IPC004V1 board has been correctly started and user can go
ahead.
Note: A different final message appears when the STEVAL-IPC004V1 evaluation board is
connected to the server application, as described in the coming section.
4.2 Starting the STEVAL-IPC004V1 server application
Figure 16. User login information
Double click on POSApplication.exe, and the user login window appears. The
administration password is given by default and it allows the user to enter the application.
Click on “Login” button, and the server application opens.

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User access levels
Depending on the access level given, the following user profiles are supported.
Table 1. User access levels in GUI
Feature Description Change
password View inventory Synchronize terminal Sales record Add to
inventory Update inventory Delete inventory Register
terminal
Remove\
clear
terminal
Add\
delete
user
Unconditional
format
Level 0 No access Yes No No No No No No No No No No
Level 1 Guest Yes Yes Yes No No No No No No No No
Level 2 Sales person Yes Yes Yes Yes No No No No No No No
Level 3 Store
manager Yes Yes Yes Yes Yes Yes Yes Yes No No No
Level 4 System
manager Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
Level 5 Administ rator Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes

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4.3 Connecting the STEVAL-IPC004V1 to the server application
To connect a new STEVAL-IPC004V1 to the server application, go to “Synchronize” tab,
click on “Connect” button as shown in Figure 17.
Figure 17. Connecting STEVAL-IPC004V1 to server
A new STEVAL-IPC004V1 appears as shown in Figure 18:
Figure 18. Unregistered terminal
Next step is to register the STEVAL-IPC004V1.