Hardware requirements

  • Micro USB cable

  • EVK-MIMXRT685 board

  • Adafruit TFT LCD shield w/Cap Touch V2.3

  • Personal Computer

Board settings

There are different versions of Adafruit 2.8” TFT LCD shields. The shields marked v2.0 works directly with this project. For the other shields, please solder the center pin of IOREF pads to the 3.3V pad, and solder the pads 11, 12, and 13. See the link for details: https://community.nxp.com/t5/MCUXpresso-Community-Articles/Modifying-the-latest-Adafruit-2-8-quot-LCD-for-SDK-graphics/ba-p/1131104

Attach the LCD shield to the LPC board. Ensure VDDIO_1 is 3.3V (JP12 2-3 connected).

Prepare the Demo

Note: MCUXpresso IDE project default debug console is semihost

  1. Connect a micro USB cable between the PC host and the CMSIS DAP USB port (J5) on the 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. Launch the debugger in your IDE to begin running the demo.

Running the demo

The GUI will be shown on the LCD.