MCUXpresso SDK Documentation
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slcd

slcd#

Overview#

The SLCD example shows how to use SLCD driver on a multocore device.

Running the demo#

In this example, the SLCD displays as below first on primary core then on secondary core.

  1. Show digital numbers.

  2. Show letters. Since not all letters can be shown by 7-segment panel, only the possible ones are shown.

  3. Show the icons one by one.

  4. All segments on, blink, then turn off.

Note#

User can attach to the running application and start debugging only after the secondary core application has been started.

Supported Boards#

FRDM-MCXL255
Hardware requirements

  • Type-C USB cable

  • FRDM-MCXL255 board

  • Personal Computer

Board settings

Make sure the R144 is welded on board.

Prepare the Demo

  1. Connect a USB Type-C cable between the host PC and the MCU-Link USB port (J16) on the target board.

  2. Open a serial terminal with the following settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo

If the demo runs successfully, digitals, icons and letters are shown on panel one by one.

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