Note

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UVC Device Picture Demo

Introduction

This example demonstrates the UVC Device device-side flow:

• Initialize UVC Device

• Create UVC output buffer pool

• Loop built-in JPEG data into UVC

• Continuously output and count frame rate

This example is suitable for verifying the device-side UVC link and does not rely on local sensor capture.

Code Location

• src/rtsmart/examples/mpp/sample_uvc_dev_picture

Build Method

Enable the following in make menuconfig:

• RT-Smart UserSpace Examples Configuration

• Enable MPP examples

• Enable Build sample_uvc_dev_picture

Then execute firmware compilation.

Running the Example

cd /sdcard/app/examples/mpp
./sample_uvc_dev_picture.elf

Description

• After the program starts, it will continuously push built-in JPEG data.

• Use Ctrl+C to trigger a graceful exit and print statistics.