AT85DVK-07 Demonstration Firmware .......................................................................................................
Section 1 Introduction ........................................................................................... 1-1 Section 2 Getting Started...................................................................................... 2-3 2.1 Features ....................................................................................................2-3 2.1.1 System................................................................................................2-3 2.1.2 Audio Player ........................
Table of Contents 3.10.5 Update System .................................................................................3-17 3.10.6 Update Settings ................................................................................3-17 3.10.7 Exit....................................................................................................3-17 3.11 Firmware Update ....................................................................................3-18 3.11.1 Automatic Firmware Update ...................
Section 1 Introduction The AT85C51SND3B is a low power single-chip highly-integrated digital audio decoder/encoder for applications such as audio players, recorders, cell phones, toys, etc. The AT85C51SND3B MP3 Player firmware is part of the AT85DVK-07 Development Kit dedicated to the AT85C51SND3B microcontroller. The firmware is delivered with a set of MMI applications which form an overall demonstration MP3/WMA player.
Section 2 Getting Started 2.1 2.1.1 Features System The following is a list of features supported by the demonstration firmware: • Display – 128x64 graphical monochrome LCD – LED backlight • Memories – 256MB Nand Flash on-board memory Driver ready up to 4GBytes (4 dies) – MMC / MMC V4 - 1bit/4bits mode – SD / SD HC - 4bits mode – USB disk (U-drive) through USB host 2.1.
Getting Started 2.1.4 2.1.5 2.1.6 USB Host File System Sound Control • Reduced Host Implementation • USB 2.0, Full Speed Transfer • Supported Class: Mass Storage, HUB, HID, CDC.
Getting Started 2.2 Keypad Description The following figure shows the basic key functions. Up Select Vol Up Lock F1 Vol Down Function F1 F2 Menu Power On Left Right Down • Lock: this switch is the keypad hold function: push right to lock, left to unlock. • F1: this is special key whose function depends on the operating modes. • Vol Up: press to increase the sound volume. • Vol Down: press to decrease the sound volume. • Menu: this key displays a contextual graphical menu.
Getting Started 2.3 Power-Up There are two ways to power-up the system: • USB powered: the USB cable is connected to the board and to a PC • Battery Powered: a battery is inserted in its socket, the Power On key is pressed. Note that the battery can be replaced by an external power-supply connected to J20 (see the AT85DVK-07 Hardware User’s Guide for further information).
Section 3 Operating Modes 3.1 Main Menu The main menu shows the operating modes of the player. Application name USB Host Status Magnified application icon Battery Status The operating mode is selected using the Right and Left keys, then launched by pressing the Select key. 3.1.1 3.1.2 Operating Modes Battery Status Here is the list of the operating modes.
Operating Modes 3.2 Player The easiest way to play the Nand Flash disk is to select the player operating mode. From the main menu, select the player icon, then confirm by pressing the Select key. The player will automatically start playback of all songs in the Nand Flash and MMC (if present) disks or from the last saved position (file + played time) if file still exists.
Operating Modes 3.2.2 Contextual Menu A contextual graphical menu is invoked by pressing the Menu key: Scroller Menu Press the Menu key again to remove the menu. Once the menu is displayed, press the Up or Down keys to select one of the following functions: Main Menu Equalizer Modes Speed Adjust Confirm your choice by pressing the Select key. 3.2.2.1 Main Menu Executing this function exits the Player application and go back to the Main Menu. 3.2.2.
Operating Modes 3.2.2.3 Modes Executing this function launches the player mode application. The following menu appears: Select the fields “Mode” “Repeat” or “Random” using Up or Down keys. Change the selected field value using Left or Right keys. • Mode field values: – “DiskS”, the player plays all song files of each disks (NF, MMC, USB). – “Disk”, the player plays all song files of current disk. – “Dir only”, the player plays all song files of current folder only.
Operating Modes 3.3 Mass-Storage To enter the USB disk Mass-Storage application, selects the storage icon from the main menu: Status Activity The Nand Flash memory and MMC/SD card are seen as regular removable disks. Access is done using the Windows explorer. The Flash disk activity is shown on the display, as well as an icon on the upper right corner giving status of the USB: USB is busy USB is idle 3.3.1 Contextual Menu To enter the contextual menu, follow the sequence described in Section 3.2.2.
Operating Modes 3.4 Explorer To enter the Explorer application (disk selection screen), select the Explorer icon from the main menu:. Disk A: stands for the Nand Flash memory; while disk B: stands for the MMC/SD card. Navigation is intuitive: press the Right key to enter into a disk or a directory, the Left key to go back to the upper folder. Press the Up and Down keys to navigate into the files.
Operating Modes 3.4.2.1 Main menu Executing this function exits the Explorer application and go back to the Main Menu. 3.4.2.2 Disk Selection Executing this function jumps back to the disk selection screen (A:, B:, …) 3.4.2.3 Select playlist Executing this function to select the current file as the current playlist. Support text list files and m3u files (ASCII and UNICODE). 3.4.2.4 Add to playlist Executing this function adds a disk, a folder or a file into the current playlist.
Operating Modes 3.5 3.6 Ebook CDC demo To enter the Ebook application, select the Ebook icon from the main menu. The explorer application is launched with text file filter (*.txt) and you can select a text file to display its content. When the text file is displayed, you can press the Up or Down keys to display previous or next page of text file. Press the Menu key to exit. To enter the CDC demo application, select the CDC icon from the main menu.
Operating Modes 3.7 Playlist To enter the Playlist explorer application, select the Playlist icon from the main menu:. Navigation is intuitive: press the Up and Down keys to navigate into the files. To start play a file from playlist, put the cursor on the corresponding location with the joystick, then press the Select key. The playlist explorer will automatically launch the player module on the current playlist at the selected position. 3.7.
Operating Modes 3.8 Recorder To enter the Recorder application, select the Recorder icon from the main menu. The following pop-up is launched:. Then record starts: The storage file name “recordxxx.wav” and the record time are displayed. The record files are storage in “A:\record\” folder. Record is stopped by pressing the F1 or Menu keys. 3.9 Games The Games application is implemented for end-user fun.
Operating Modes 3.10 Settings The Settings application allows the end-user to configure the player, to get some status of the system and to execute specific functions. The topics of the Setting application are detailed in the following sections: • Language • Power • Format • Version • Update System • Update Settings • Exit 3.10.1 Language This topic allows to choose the player language. 3.10.
Operating Modes 3.11 Firmware Update There are two ways to update the firmware of the AT85DVK-07 board. • Using the automatic firmware update feature • Using the explorer application Note: 3.11.1 Automatic Firmware Update The update feature is a safe procedure: in case of accidental power failure, the player will resume the firmware update on the next power-up. At each power-up, the system checks if an update file is present in the “C:\Update” directory of the Nand Flash disk.
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