ATEVK1104AU

4
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4 Browsing the disk and playing music
After a mass-storage device has been connected to the USB-USER port the player
enters the disk browsing view. To control the application the touch sensors can be
used that are marked in the Figure 4-1.
Figure 4-1 Touch sensors for controlling the audio application
4.1 Disk browsing view
In this view it is possible to browse the storage media but only MP3 files and
directories will be shown. Use the touch sensors to browse the storage media for the
music file or playlist you want to play.
WHEEL-UP
WHEEL-LEFT WHEEL-RIGHT
WHEEL-DOWN
CS1 CS2 CS3 CS4
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WHEEL-UP: Browse the file list up.
WHEEL-DOWN: Browse the file list down
WHEEL-LEFT: Enter the parent directory. If the user is in the root directory of the
current selected storage media a touch of this button will result in a menu which
lets the user select a storage media.
WHEEL-RIGHT: Enter a subdirectory or play the currently selected file or playlist.
CS3: Play the currently selected file or playlist.
By playing a file or a playlist the audio player will change its view from the disk view to
the play view.
4.2 Play view
Following functionality have the touch sensors in the play view.
WHEEL-UP: Increase the volume.
WHEEL-DOWN: Decrease the volume.
WHEEL-LEFT: Play previous song in playlist or on disk.
WHEEL-RIGHT: Play the next song in playlist or on disk.
CS3: Play/Pause.
CS1: go back to the navigation window. In this mode, the current file is still
playing, and the user can browse the disk and select a new audio file with CS3 or
WHEEL-RIGHT. User can also switch back to the play view with CS4: it will
display the current playing file.
CS4: repeat/shuffle modes. While in the play mode, this key gives access to the
repeat/shuffle modes. Slide from WHEEL-UP to WHEEL-RIGHT to select Repeat
or Shuffle. Press CS2 to change mode. Go back to the Play view with CS1.
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5 References and further information
EVK1104 hardware reference: This is included in the AVR Studio
®
5 and on the
avrfreaks wiki page (http://www.avrfreaks.net).
Support : audio@atmel.com

ATEVK1104AU

Mfr. #:
Manufacturer:
Microchip Technology / Atmel
Description:
Development Boards & Kits - AVR AT32UC3A3256AU audio evaluation kit
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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