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15.2 Audio Config Details
Triggers
– This register is used to play a particular audio by enabling the corresponding big
address.
Status
– This register gives the status of the audio files, see table below.
Status Register – 16 Bits x 2
Table 15.1 - 1st and 2nd Status Registers
Bit Number Description
1
st
Status Register
Bit 1 to Bit 8 Volume Control (0-100)
Bit 9 Play Control (1=Pause, 0=Play)
Bits 10-16 Not Used
2
nd
Status Register
Bit 1 Cannot open ALSA Lib
Bit 2 Cannot open MP3 Lib
Bit 3 Audio output device cannot be setup
Bit 4 Cannot open input Audio Stream
Bit 5 Memory allocation failed
Bit 6 Buffer is not free
Bit 7 Write Fail
Bit 8 Short Write
Bit 9 Recover Error
Bit 10 Filename Error
Bits 11-16 Not Used
15.3 Audio Files
Index
– Index of all the audio files will be assigned automatically when audio files are added.
Audio Target Path – This gives information about the path of the audio file, audio filename,
and format of the audio files added to the list.