ELEC2645 (2015/16) / Mbed 2 deprecated Main_code_ver18

Dependencies:   FATFileSystem N5110_mod SDFileSystem USBDevice mbed

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Audio output

Audio output

Variables and functions used in the playback of wav files (not currently functional) More...

Functions

void Audio_init ()
 map to indicate positions of RAW WAV files on SD card
void Audio_ISR ()
 updates speaker output

Variables

char * audio_buffer [8]
 # flags & variables

Detailed Description

Variables and functions used in the playback of wav files (not currently functional)


Function Documentation

void Audio_init (  )

map to indicate positions of RAW WAV files on SD card

indicates whether file is currently playing indicates file length indicates current position within file # functions loads file data into buffers

checks if file is present

finds length of file

sets buffer size

loads file into buffer

closes file

attaches audio update ticker

Definition at line 650 of file main.cpp.

void Audio_ISR (  )

updates speaker output

speaker value

Definition at line 684 of file main.cpp.


Variable Documentation

char* audio_buffer[8]

# flags & variables

buffer to contain audio file data

Definition at line 384 of file main.h.