The application creates a custom HID joystick. The device allows the USB Host utility to control the LEDs on the board and query the status of a switch. The application creates a USB HID Device that enumerates as a custom USB HID device on the USB host PC.

The interface between the UART and the CDC USB Interface on the board demonstrates the USB to UART capability. Data received on the UART is forwarded to the CDC USB interface on the target board.

Data received through the CDC USB interface is forwarded to a UART. TThe application enumerates a COM port on the personal computer. The application demonstrates the use of the CDC device class to implement a USB-to-Serial Converter. Flash drive acts similar to any Mass Storage Class device where the SD Card is used as storage media. The COM port can be opened using any of the terminal applications and to demonstrate two-way communication, a character typed on the terminal window is echoed back by the USB device. The application creates a USB CDC Device that enumerates as a COM port and Flash Drive simultaneously. Flash drive acts similar to any Mass Storage Class device where the NVM is used as storage media. To demonstrate two-way communication, when a character is typed on the terminal window, it is echoed back by the USB device. The COM port can be opened using any of the terminal applications. The application creates a USB CDC Device that enumerates as a single COM port on the USB host PC. To demonstrate communication between the two COM ports, a character typed in one of the COM port is displayed on the other and vice versa. The application is example of a USB CDC Device that enumerates as a dual COM port on the USB host PC.

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