MCUXpresso_MIMXRT1052xxxxB/boards/evkbimxrt1050/azure_rtos_examples/usbx_device_audio_speaker/readme.md

Overview

This example works as a USB Audio Speaker device. It will appear as a USB Speaker device on PC.

SDK version

• Version: 2.15.000

Toolchain supported

• IAR embedded Workbench 9.40.1
• Keil MDK 5.38.1
• GCC ARM Embedded 12.2
• MCUXpresso 11.8.0

Hardware requirements

• Mini/micro USB cable
• Target Board
• Personal Computer(PC)

Board settings

No special settings are required.

Prepare the Demo

1. Connect a USB cable between the host PC and the OpenSDA USB port on the target board.
2. Open a serial terminal with the following settings:
   • 115200 baud rate
   • 8 data bits
   • No parity
   • 1 stop bit
   • No flow control
3. Compile the demo with the configuration, "flexspi_nor_debug".
4. Write the program to the flash of the target board.
5. Press the reset button on your board to start the demo.
6. Connect a USB cable between the PC and the USB device port of the board.
7. PC can detect a USB audio speaker device. Running the demo ================ After writing the program to the flash of the target board, press the reset button on your board to start the demo. The serial port will output:

USBX device Audio speaker example Init Audio SAI and CODEC

Then, connect a USB cable between PC and the USB device port of the board. A USB2.0 speaker will appear in the Device Manager of Windows.

The serial port will output:

USB Audio Speaker device activate