Table of Contents
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Open circuit error detection in "no loop" and in 1 s and 2 s (approx.) loops
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Read/write configuration register
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Individual channel brightness control
3.3.2
GUI setup
To use the
STEVAL-LLL002V1
following the procedure below.
Step 1.
Install the .exe file on your PC.
The GUI appears in your program list.
Step 2.
If the VCP driver is not installed, install it from ...\Program Files\ STMicroelectronics\LED Driver Demo
\ST VCP Driver. A 32-bit version and a 64-bit version are included in the setup.
On launching the GUI, the initial screen appears as shown below.
Step 3.
Connect the STEVAL-LLL002M1 to the PC and power it up.
Step 4.
Press [Connect].
The GUI identifies the board and automatically establishes a connection (COM3 is shown as an
example in the picture above), otherwise it prompts the user to select the port to which the board is
connected.
Step 5.
If the GUI does not automatically identify the board, choose the port manually and press [Select].
When the GUI is able to interact with the board, a "Port is open" message is shown.
UM2381 - Rev 1
GUI, you have to install the virtual COM port (VCP) driver on your PC/laptop by
Figure 10.
STEVAL-LLL002V1 evaluation kit: GUI initial screen
UM2381
GUI mode
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