UM1011
In
Figure
start-up, to play the file through the embedded speaker, press SEL. To exit the Wave Player
submenu, press DOWN.
The TAMPER push-button is used to select the speaker and the KEY push-button to select
the headphone.
Once you select the play command, the submenu shown in
Figure 35. Wave Player Playing submenu
The progress bar and the volume bar are displayed at the bottom of the Wave Player
Playing submenu. The progress bar is updated about every 1% of the audio file duration
and the volume bar is updated each time the volume level is changed.
At this application level:
●
Press the SEL push-button to pause the audio stream
●
Press the LEFT push-button to decrement the audio stream
●
Press the RIGHT push-button to increment the audio stream
●
Press the DOWN push-button to exit the Wave Player submenu
●
Press the TAMPER push-button to decrement the volume level
●
Press the KEY push-button to increment the volume level
When the audio stream is paused, the menu in
Figure 36. Pause submenu
To resume playing, press the SEL push-button to return to the Wave Player Playing
submenu as shown in
When the audio stream is stopped, the stream position is reset and you return to the Wave
Player interface menu shown in
34, the active push-buttons and their functions are displayed. For example, at
Playing Wave Files
SEL
SEL
DOWN
DOWN
TAMP v-
TAMP v-
VOL-
USER/xxxxxxxx.WAV
STM32 DAC Audio Demo
Playing Wave Files
SEL
DOWN
VOL-
USER/XXXXXXX.WAV
Figure
35.
Doc ID 18064 Rev 1
Control Buttons:
PAUSE LEFT BWR
PAUSE
LEFT BWR
STOP
RIGHT FWD
STOP
RIGHT FWD
KEY V+
KEY V+
Playing
Figure 36
Play
Exit
Paused
Figure
34.
Running the demonstration
Figure 35
is displayed.
+
is displayed.
+
WAV
31/49
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