STMicroelectronics STEVAL-MKI109V2 User manual
Introduction
The STEVAL-MKI109V2 (eMotion) is a motherboard designed to provide the user with a complete ready-to-use platform for the
demonstration of MEMS devices mounted on adapter boards.
The STEVAL-MKI109V2 uses an STM32F103RET6 microcontroller which functions as a bridge between the sensor on the
adapter board and the PC on which it is possible to use the Unico graphical user interface (GUI) downloadable from the ST
website or dedicated software routines for customized applications.
This user manual describes the hardware included with the demonstration kit and provides the information required to install the
demonstration board and how to upgrade the firmware of the microcontroller.
For details regarding the features of each sensor, please refer to the datasheet available for each individual device.
STEVAL-MKI109V2: eMotion motherboard for MEMS adapter boards
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User manual
UM0979 - Rev 6 - February 2018
For further information contact your local STMicroelectronics sales office.
www.st.com/
1 Demonstration kit description
The eMotion is a complete demonstration kit that allows demonstration of both digital and analog MEMS sensors.
Thanks to its DIL 24 connector, a wide range of MEMS adapter boards can be used.
The block diagram of the demonstration kit is shown in Figure 1. Demonstration board block diagram.
Figure 1. Demonstration board block diagram
Control Switches
(reset, left, right)
MEMS
device
USB
Connector
SPI/I C/
U.S.B.
Analog
Controls
(ST,PD,FS)
Power On LED
Interrupt LEDs
General Purpose LEDs
With DFU
Feature
DIL 24
Connector
Analog
(ADC)
STM32F103RET6 µC
2
As shown in the Figure 1. Demonstration board block diagram, the eMotion demonstration kit is based on the
STM32F103RET6 microcontroller and can be connected to the PC through the USB bus. Data coming from the
MEMS sensor connected to the board can be read through the PC GUI provided with the kit.
The eMotion also implements the DFU (device firmware upgrade) feature, therefore, in the case of a new
firmware release, it can be reprogrammed without the need to use a programmer. See www.st.com/mems for new
firmware releases.
The eMotion also integrates three general-purpose LEDs, two LEDs connected directly to the interrupt pins of
digital adapters and the power/USB LED. Moreover, the eMotion integrates three buttons: two are available to the
user on a dedicated GPIO of the microcontroller, while the other is used as reset for the microcontroller.
All the MEMS adapter pins are available on two connectors placed on the board (Figure 2. Top silkscreen of the
eMotion kit JP2 and JP3).
The top silkscreen view and image of the full board are shown in Figure 2. Top silkscreen of the eMotion kit and
Figure 3. Board top view respectively.
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Figure 2. Top silkscreen of the eMotion kit
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Figure 3. Board top view
In order to use the eMotion demonstration kit, installation of a dedicated driver is required, which is included in the
installation pack, together with a GUI interface which allows simple interaction with the sensor. The steps required
for driver and software installation are described in the following sections.
In Figure 3. Board top view some main components placed on the top layer of the eMotion kit are highlighted.
• Jumpers JP9 and JP10 (Figure 3. Board top view, ref 10, ref 11) are used to select the STM32 boot mode.
When the eMotion is used together with MEMS adapters, JP9 and JP10 must be fitted (see STM32
datasheet for more information).
• Jumper J2 (Figure 3. Board top view, ref 7) can be used to directly supply the board (from 3.5 V to 6 V)
instead of using the USB connector.
• Jumper JP1 allows the user to measure the sensor current consumption by connecting a multimeter in
series with its terminals (Figure 3. Board top view, ref 9).
• Jumpers JP4, JP5, and JP6 (Figure 3. Board top view, ref 8) are used to manually set some features which
are available for just some of the analog MEMS adapters (see Table 1. Jumper configuration for power-down
(PD), self test (ST), and high-pass filter reset (HP) for more details). JP4 is used to set the self-test feature,
JP5 to handle the power-down pin, and JP6 to reset the MEMS high-pass filter. When they are fitted on pins
2-3, these functions are handled by the firmware itself.
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Table 1. Jumper configuration for power-down (PD), self test (ST), and high-pass filter reset (HP)
Jumper on 1-2 position Jumper on 2-3 position Jumper unfitted
JP4
ST
logic level 1:
self-test ON Self-test is handled by the firmware logic level 0:
self-test OFF, default
JP5
PD
logic level 1:
power-down mode Power-down is handled by the firmware logic level 0:
normal mode, default
JP6
HP logic level 1: external high-pass filter reset High-pass filter reset is handled by the firmware logic level 0:
normal mode, default
• J1 connector (Figure 3. Board top view, ref 3) can be used to both reprogram the STM32 and to debug the
code through the JTAG or SWD protocols.
• Jumper JP7 (Figure 3. Board top view, ref 4) is used to select either JTAG (JP7 unfitted) or SWD (JP7 fitted)
mode.
• eMotion also integrates six LEDs and three buttons:
– LED D1 (Figure 3. Board top view, ref 6) is switched on when the board is power supplied.
– LEDs D2 and D3 (Figure 3. Board top view, ref 13) are directly connected to the interrupt pins of the
MEMS digital adapters (if available on the sensor mounted on the adapter board).
– LEDs D4, D5, and D6 (Figure 3. Board top view, ref 12) are general-purpose LEDs and are used to
indicate firmware states. For example, LED D6 is switched on when a specific firmware is selected
from those available. LED D5 on indicates that the microcontroller is well configured for communication
with the sensor. Finally the LED D4 blinks according to the sensor data rate selected.
– Button SW3 (Figure 3. Board top view, ref 1) is used to reset the STM32.
– Button SW1 and SW2 (Figure 3. Board top view, ref 2 and ref 5) are connected to STM32 GPIOs and
are available to the user.
Figure 4. How to connect the DIL24 adapter board to the STEVAL-MKI109V2 shows how to properly mount the
DIL24 adapter board on the STEVAL-MKI109V2 board.
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Figure 4. How to connect the DIL24 adapter board to the STEVAL-MKI109V2
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2 eMotion board installation
The software package can be downloaded from the st.com website and includes the following directory structure:
• DRIVER: it contains the installation package for the USB drivers needed to connect the eMotion board to the
PC. No driver is needed on Linux and Mac OS platforms, so this directory is included in the Windows
installation package only.
• DFU: it contains the .dfu files and the installation package for the software needed to upgrade the firmware
of the eMotion board.
• FIRMWARE: it contains the source code of the firmware of the eMotion board together with the
corresponding binary file that can be flashed to the board using the DFU software.
The section below describes the procedure to install the driver for the eMotion board (needed on Windows
platforms only) and the DFU software.
2.1 Hardware installation (Windows platforms)
No driver installation is needed on Linux and Mac OS platforms.
To install the STM32 virtual COM port driver on Windows platforms, launch the “VCPDriver_V1.4.0_Setup.exe”
included in the Windows installation package under the “DRIVER” folder and follow the instructions on the screen.
Once the driver is installed, insert the demonstration kit board into a free USB port. A notification message should
appear, as in Figure 5. Notification message.
Figure 5. Notification message
Now the eMotion should be recognized by the PC as a virtual COM. In order to confirm which COM port has been
assigned to the board, right click on “My Computer” and select “Manage”, select “Device Manager” and scroll
through the list until “Ports (COM & LPT)”. In the following example (Figure 6. Virtual COM port assignment) the
COM11 has been assigned to the board.
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Figure 6. Virtual COM port assignment
2.2 DFU
The MEMS STEVAL-MKI109V2 demonstration board is capable of reprogramming an application through the
USB, in accordance with the DFU class specification defined by the USB Implementers Forum. This capability is
useful because it allows reprogramming the microcontroller directly in the field and is particularly well-suited to
USB applications where the same USB connector can be used both for the standard operating mode and for the
reprogramming process.
In order to configure the eMotion board in DFU mode button SW2 must be pressed before supplying the board
and released when the LEDs D1, D4, D5, and D6 light up.
If the firmware version in use is lower than V3.0.0, it’s mandatory to patch the DFU feature using the
“DFU_Patcher_V1.0.2.dfu” file available under the “DFU” folder before proceeding with the upgrade of the
firmware with a version equal to or higher than V3.0.0. The procedure to patch the DFU feature corresponds to
the one used during a standard firmware upgrade with the DFU tool. At the end of this procedure, if the green
LED D4 is on, it indicates that the procedure is successfully completed; if the red LED D5 is on, the procedure
failed and has to be repeated. Before proceeding with the new firmware upgrade the board must be reset using
the SW3 button.
2.2.1 DFU on Windows
To install the DFU software, launch the “DfuSe_Demo_V3.0.5_Setup.exe” included in the software package under
the “DFU” folder and follow the instructions on the screen. To launch the software, select “Start >
STMicroelectronics > DfuSe > DfuSe Demonstration”.
In the ‘Upgrade or Verify Action’ section of the Dfuse Demo tool click on the ‘Choose...’ button and select the
target .dfu file; then click the ‘Upgrade’ button to start the firmware upgrade.
For more details regarding DFU and the microcontroller ST GUI, see the related user manual located under “Start
> STMicroelectronics > DfuSe > Docs > DfuSe Getting Started”.
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2.2.2 DFU on Linux
The DFU program used for Linux operating systems is ‘dfu-util’.
The procedure for Ubuntu Linux operating systems is described below.
To install this program, open a terminal and write the following command (with sudo to ensure having the correct
permissions):
sudo apt-get install dfu-util
Create a udev rules file:
sudo gedit /etc/udev/49-emotion.rules
and fill it with the following content:
# 0483:5740 - STM32F4 in USB Serial Mode (CN5) ATTRS{idVendor}=="0483", ATTRS{idProduct}=="5740",
ENV{ID_MM_DEVICE_IGNORE}="1"
ATTRS{idVendor}=="0483", ATTRS{idProduct}=="5740", ENV{MTP_NO_PROBE}="1"
SUBSYSTEMS=="usb", ATTRS{idVendor}=="0483", ATTRS{idProduct}=="5740", MODE:="0666"
KERNEL=="ttyACM*", ATTRS{idVendor}=="0483", ATTRS{idProduct}=="5740", MODE:="0666"
# 0483:df11 - STM32F4 in DFU mode (CN5) SUBSYSTEMS=="usb", ATTRS{idVendor}=="0483",
ATTRS{idProduct}=="df11", MODE:="0666"
Tell udev to reload its rules:
sudo udevadm control --reload-rules
You should now be able to program the board. So, connect the eMotion board in DFU mode, and run the following
command:
sudo dfu-util -a 0 -D dfu_path/file.dfu -d 0483:df11
where dfu_path and file.dfu are the path to the dfu file and the dfu file name respectively
(example: sudo dfu-util -a 0 -D Desktop/eMotionV2_REL_4_0.dfu -d 0483:df11).
To use the board with the upgraded firmware you need to disconnect and reconnect it, in order to exit DFU mode.
2.2.3 DFU on Mac OS
The DFU program used for Mac operating systems is ‘dfu-util’. Before installing it, you need to install Homebrew.
To do that, you need to open a terminal and run the following command:
ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"
Once Homebrew is installed on your Mac, you can install dfu-utils with the following command:
brew install dfu-util
You should now be able to program the board. So, connect the eMotion board in DFU mode, and run the following
command:
dfu-util -a 0 -D dfu_path/file.dfu -d 0483:df11
where dfu_path and file.dfu are the path to the dfu file and the dfu file name respectively
(example: dfu-util -a 0 -D Desktop/eMotionV2_REL_4_0.dfu -d 0483:df11).
To use the board with the upgraded firmware you need to disconnect and reconnect it, in order to exit DFU mode.
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3 Supported MEMS adapter boards
Table 2. List of supported MEMS adapter boards below provides the complete list of supported adapter boards.
Table 2. List of supported MEMS adapter boards
Adapter board Device
STEVAL-MKI009V1 LIS3LV02DL
STEVAL-MKI013V1 LIS302DL
STEVAL-MKI015V1 LIS344ALH
STEVAL-MKI075V1 LY3100ALH
STEVAL-MKI084V1 LPY430AL
STEVAL-MKI087V1 LIS331DL
STEVAL-MKI089V1 LIS331DLH
STEVAL-MKI092V1 LIS331HH
STEVAL-MKI097V1 LPR430AL
STEVAL-MKI098V1 LPR410AL
STEVAL-MKI105V1 LIS3DH
STEVAL-MKI106V1 LSM303DLHC
STEVAL-MKI107V2 L3GD20
STEVAL-MKI108V2 9AXISMODULE v2 [LSM303DLHC + L3GD20]
STEVAL-MKI110V1 AIS328DQ
STEVAL-MKI113V1 LSM303DLM
STEVAL-MKI114V1 MAG PROBE (based on LSM303DLHC)
STEVAL-MKI120V1 LPS331AP
STEVAL-MKI122V1 LSM330DLC
STEVAL-MKI123V1 LSM330D
STEVAL-MKI124V1 10AXISMODULE [LSM303DLHC + L3GD20+ LPS331AP]
STEVAL-MKI125V1 A3G4250D
STEVAL-MKI133V1 LSM303D
STEVAL-MKI134V1 LIS3DSH
STEVAL-MKI135V1 LIS2DH
STEVAL-MKI136V1 L3GD20H
STEVAL-MKI137V1 LIS3MDL
STEVAL-MKI141V2 HTS221
STEVAL-MKI142V1 LPS25H
STEVAL-MKI151V1 LIS2DH12
STEVAL-MKI152V1 LIS2DM
STEVAL-MKI153V1 H3LIS331DL
STEVAL-MKI154V1 LSM9DS0
STEVAL-MKI158V1 AIS3624DQ
STEVAL-MKI159V1 LSM9DS1
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Supported MEMS adapter boards
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