1.5 KiB
1.5 KiB
Overview
This example works as a USB Audio Microphone device. It will appear as a USB Audio Microphone 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
- Connect a USB cable between the host PC and the OpenSDA USB port on the target board.
- Open a serial terminal with the following settings:
- 115200 baud rate
- 8 data bits
- No parity
- 1 stop bit
- No flow control
- Compile the demo with the configuration, "flexspi_nor_debug".
- Write the program to the flash of the target board.
- Press the reset button on your board to start the demo.
- Connect a USB cable between the PC and the USB device port of the board.
- PC can detect a USB audio microphone 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 Microphone example Init Audio SAI and CODEC
Then, connect a USB cable between PC and the USB device port of the board. A USB2.0 Microphone will appear in the Device Manager of Windows.
The serial port will output:
USB Audio Microphone device activate