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emUSB-Device Samples

IP-over-USB

General Information:

The demo application runs a web-server on the target. When the target is connected to a host (Windoiws/Linux/macOS) via USB the website can be reached by using a browser on the host.
After programming the application and connecting the USB cable a demo website can be reached via the URL "http://usb.local"

Download sample project for
emPower board

Download sample project for
ST STM32F429 Discovery board

Download sample project for
ST STM32F746 Discovery board

Audio

General Information:

After programming the application and connecting the USB cable and selecting the emUSB-Device Audio demo as your default sound output and sound input device any played audio will be saved onto the SD card.

If you loopback the emUSB-Device Audio microphone to your speakers you can listen to the audio demo message.

Download sample project for
emPower board

VirtualMSD

General Information:

After programming the application and connecting the USB cable you can copy a file onto the VirtualMSD volume. After the copy transaction has finished the VirtualMSD demo will reconnect itself to your PC and a file named CRC.txt will appear in the volume containing the CRC32 of the copied file.

Download sample project for
emPower board

Video

webcam camera

General Information:

The emUSB-Device Video class demo shows simple UVC usage by playing a file form a SD card.

Convert any video file into the YUV422 format using ffmpeg:
ffmpeg -i SeggerDemo_sample_app_project_v3.mp4 -pix_fmt yuyv422 -c:v rawvideo -an -s 640x480 -r 15 video.yuv
You can add -t 5 before -i to reduce the duration to 5 seconds.

Put the file onto a SD card and insert it into the emPower board. After programming the application and connecting the USB cable you can use a webcam viewing application to watch your converted video.

Download sample video project for emPower board

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