NXP Semiconductors UJA1169A, Руководство пользователя, Страница: 28 / 39

NXP Semiconductors
UM11758
UJA1169A evaluation boards
6.4.2 Establishing a connection between the FlexGUI and the hardware
To establish a connection between the FlexGUI and the hardware, a battery supply
must first be provided for the UJA1169Ax-EVB (see Figure 19 ) before connecting the
microcontroller board to the PC using a USB cable. Note that it may take a few seconds
for the PC operating system to detect the connection and locate the appropriate USB
driver.
Once the connection has been established, a communication session can be started over
the USB link:
• Click the Search button to detect all available serial connections.
• Identify and select the COM port of the board. It is usually the last item on the list if no
other USB cables were connected to the PC since the board was plugged in.
• Click Start to enable the connection.
The text in the lower left corner of the window should turn from red to green, to indicate
that the session has started successfully ( Figure 29 ). The FlexGUI functionality can now
be accessed, as discussed in the following sections.
Figure 29. FlexGUI, USB connection to MCU board established
If FlexGUI shuts down during a connection attempt, there may be a conflict due to an
obsolete jssc (java simple serial connector) library in the user cache. This problem can
be solved by removing that library from the cache, e.g. with the command:
del "%USERPROFILE%\.jssc\windows\jSSC-2.8_x86_64.dll"
.
When this command is executed (e.g. by double-clicking on a text file that includes this
line and has a file extension .cmd), the obsolete library is removed from the cache and a
later version of the library is cached the next time FlexGUI starts up.
UM11758 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2022. All rights reserved.
User manual Rev. 1 — 19 April 2022
28 / 39