Streams USB audio with sound effects applied. Sound effect selected by joystick and intensity altered by tilting the mbed. Output to the mbed-application-board phono jack.
Dependencies: C12832_lcd MMA7660 USBDevice mbed
/* Uses the mbed LPC1768 and mbed-application-board to create a USB audio device * that streams audio from a host computer to headphones or powered speakers. * A couple different sound effects can be applied to the stream in real-time, * and tilting the mbed alters intensity of the effect. * * ECHO * The joystick selects ) | * one of three effect ) STRAIGHT - o - STRAIGHT * modes. ) | * REVERB * * * * \\ || * Tilting the mbed ) ====== \\ || * determines intensity ) \\ || * of the effect. ) * 0% 50% 100% * * The LCD display shows the current effect mode, intesity and buffer level. */
audio.h
- Committer:
- bw
- Date:
- 2014-03-27
- Revision:
- 2:9429f84ea165
- Parent:
- 0:bbf6cf0eab95
File content as of revision 2:9429f84ea165:
/******************************************************************************* * Manages all aspects of audio playback with sound effects. * Bryan Wade * 27 MAR 2014 ******************************************************************************/ #ifndef AUDIO_H #define AUDIO_H #include <stdint.h> #include <stdlib.h> // Initialize the module. void Audio_Initialize(void); // Periodically call to stop/start playback according to the // current buffer level. Return level for diagnostics. int32_t Audio_CheckPlaybackBufferLevel(void); #endif