 MCB2140 User's Guide | |
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MCB2140 User's Guide
Introduction Setup Theory of Operation Writing Programs Example Programs BLINKY
Building BLINKY Downloading BLINKY Debugging BLINKY Checking Serial Output SOUND Building SOUND Downloading SOUND Debugging SOUND VOICE Building VOICE Downloading VOICE Debugging VOICE Checking Serial Output USBHID - Human Interface Device Building USBHID Downloading USBHID Running USBHID Debugging USBHID (ULINK only) USBMEM - Mass Storage Device Building USBMEM Downloading USBMEM Running USBMEM USBAudio Building USBAudio Downloading USBAudio Running USBAudio More InformationUSBAudio
The USBAudio example program enables the MCB2140 board to act as a sound card on a PC.
Loading USBAudio
To load the Audio project, select Open Project from the Project menu, and open the AUDIO.UV2 project from the C:\KEIL\BOARDS\KEIL\MCB2140\USBAUDIO folder.
When the Audio project opens, the µVision Project Workspace window displays the source files that make up the project.
- Startup.s: CPU startup file for the NXP LPC214x devices.
- USBcfg.h: USB custom configuration file for several USB features.
- USBhw.c: USB hardware layer for NXP LPC2148.
- USBcore.c: USB core module that implements the basic USB communication layer.
- USBdesc.c: USB device description.
- USBuser.c: HID custom module.
- adcuser.c: Audio Device Class user module.
- demo.c: contains the main program and the HID report functions.
The Abstract.txt file contains documentation about the project.
Editing USBAudio
You may edit or review the source code files. Double click on the selected file in the Files page of the Project Workspace window. µVision loads and displays the contents in an editor window.
Running USBAudio
Perform the following three steps to run the USBAudio program example on the MCB2140 Evaluation Board:
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