Audio Output Device

Detailed Description

Example description
This example implements an audio interface class device mode device that enumerates as audio device (USB speakers) and sends the samples sent to it from the host to the audio circuitry on the board.

On the PC select Control Panel->Hardware and Sound->Sound When the example is first run a new entry in the Sound dialog box will appear titled Speakers and have a description that reads "4-LPCUSBlib Audio Out Demo". Below this description should be the word Ready.

To test the audio output click on this entry in the Sound dialog box. Then click on the Configure button to bring up the Speaker Setup dialog box. In this box press the Test button. Sound should be played through the left side of your headphones first, then the right side.

Special connection requirements
There are no special connection requirements for this example.

Build procedures:
LPC18xx/43xx example quickstart for Keil uVision4
LPC18xx/43xx example quickstart for IAR EWARM
LPC18xx/43xx example quickstart for Code Red Xpresso

Supported boards and board setup:
Hitex 1850 evaluation boards
Hitex 4350 evaluation boards
Keil 1857 evaluation boards
Keil 4357 evaluation boards
NGX 1830 Xplorer boards
NGX 4330 Xplorer boards

Submitting LPCOpen issues:
Community support for LPCOpen

Modules
	Class descriptors
	Functions prototypes
	Main definitions
	ROM stack support