Running examples on Raspberry Pi 4 B or Radxa ROCK 3A

To run an example on a Raspberry Pi 4 B or Radxa ROCK 3A:

1. Go to the directory with the example and build the example.
2. Make sure that Raspberry Pi 4 B or Radxa ROCK 3A and the bootable SD card are prepared to run examples.
3. Connect the bootable SD card to the Raspberry Pi 4 B or Radxa ROCK 3A.
4. Supply power to the Raspberry Pi 4 B or Radxa ROCK 3A and wait for the example to run.

   The output displayed on the computer connected to Raspberry Pi 4 B or Radxa ROCK 3A indicates that the example started.

Before running the examples on Radxa ROCK 3A, you also need to build the drivers provided as a source code in the SDK. Instructions for building drivers can be found in the descriptions of examples (README.md files).

If you see the message "SPL: failed to boot from all boot devices" when running examples on the Radxa ROCK 3A, you must clear the Radxa ROCK 3A flash memory before running the examples. For more details, refer to Preparing Radxa ROCK 3A to run examples.

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