Api Specifications; Audio Playback Api - Fujitsu FM3 family User Manual

7.2.4 API Specifications

This chapter gives I
used for application layer. I
AV system solution. For more information, see the notes.
7.2.4.1

Audio Playback API

Function void AUDIO_Init(void)
Overview Audio playback processing initialization function
Invoked before entering the main loop (see "7.2.8.1 Main Processing
Function").
Argument None
Return None
value
Function AUDIO_STAGE_ENUM AUDIO_GetAudioStage(void)
Overview Audio playback processing status acquisition function
Parameter None
Return Audio playback processing status
value AUDIO_STAGE_INIT
AUDIO_STAGE_OPEN
AUDIO_STAGE_LIBRARY_INIT Decoder library initialization
AUDIO_STAGE_ANALYZE
AUDIO_STAGE_READ
AUDIO_STAGE_DECODING
AUDIO_STAGE_UPSAMPLE
AUDIO_STAGE_STOP
Function uint8_t AUDIO_SetAudioStage(AUDIO_STAGE_ENUM Stage)
Overview Audio playback processing status setting function
Parameter Audio playback processing status
The following status setting only for application.
AUDIO_STAGE_OPEN
AUDIO_STAGE_STOP
Return Processing results
value AUDIO_RET_OK
AUDIO_RET_INVALID_PARAMETER
2
S driver API used for audio playback processing in addition to API
2
S driver API is also described in the application notes for simple
After completion of initialization
Audio data file open
Audio data file decode
Audio data file read
Audio data decode
Decode data up-sampling
Decode stop
Audio data file open
Decode stop
Normal completion
Parameter error
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AN706-00040-2v0-E