This demo shows how to integrate the NXP sensors FXLS8971CF (3-axis accelerometer) with FRDM-MCXN947 platform. In this application the FXLS8971CF is hosted and an I2C peripheral on an “Inclinometer 4 Click” board from Mikroe.
The FXLS8971CF is 3-axis accelerometer that is designed to serve inclinometer (and accelerometer) applications. Offset and Sensitivity response across the temperature band (-40°C to 105°C) is near zero, and is best in class.
The demo uses the LVGL graphics framework and a TFT Display (LCD-PAR-S035) to show sensor data. The GUI was designed using GUI Guider (NXP).
For this demo you will need the next hardware.
- Check that the switch SW1 In the LCD is set to 010 (16bits 8080) and plug-in the LCD in the board (use the next image like reference) you should connect the LCD in the J8 header with two pins free in the top of the header.
- Plug-in the Inclinometer click board (Mikroe) atop the native mikroe slot of the FRDM board.
- Then plug-in the USB cable between the host PC and the FRDM-MCXN947.
See the figure below for reference.
- Download MCUXpresso IDE 11.9.0 or newer and Install following the installer instructions.
- Download MCXUpresso SDK 2.14.0 for FRDM-MCXN947. Make sure to select ISSDK middleware while building SDK. Make sure to change version to 2.14.00 and build SDK for MCUXpresso IDE.
- Install Git v2.39.0 (for cloning and running west commands)
- Open MCUXpresso IDE and select a directory to create your workspace.
- Install "MCXUpresso SDK 2.14.0 for FRDM-MCXN947" (drag and drop SDK zip into "Installed SDK" view) into MCUXpresso IDE.
- Go to "Quickstart Panel" and click on "Import from Application Code Hub".
- Enter "bubble-level-demo" in search bar. Select project card.
- Click "GitHub link" within wizard to copy GITHUB information into IDE wizard.
- Continue to follow the default steps of the Wizard. Click Next, Click Next for "main" branch.
- Select the desired destination to store the imported project. Initial branch = main. Click Next.
- Click next to select the discovered Eclipse projects.
- Click Finish to complete the import into workspace.
- Right click on project and select build to start building the project.
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Download and install Visual Studio Code v1.95.2 or latest version.
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In VS code, select the 'MCUXpresso For VScode' plugin, and click 'Application Code Hub' in the QUICKSTART PANEL.
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Search "bubble-level-demo" example, clone to local workspace.
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After a while, the project is shown in the 'Projects'.
- Build the project, after compile complete flash the board.
The demo will start running immediately after the FW is downloaded to the target as shown below.
- Reach out to NXP Sensors Community page for more support - NXP Community
- Learn more about FXLS8971CF 3-axis precision accelerometer, refer to - FXLS8971CF DS
- Accelerate your sensors development using Sensor ToolBox, refer to - Sensors Development Ecosystem
Questions regarding the content/correctness of this example can be entered as Issues within this GitHub repository.
Warning: For more general technical questions regarding NXP Microcontrollers and the difference in expected functionality, enter your questions on the NXP Community Forum
| Version | Description / Update | Date |
|---|---|---|
| 1.0 | Initial release on Application Code Hub | November 5th 2024 |
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