Resumo do conteúdo contido na página número 1
AT85DVK-07 Demonstration Firmware
.......................................................................................................
User’s Manual
Resumo do conteúdo contido na página número 2
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 ..................
Resumo do conteúdo contido na página número 3
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...........
Resumo do conteúdo contido na página número 4
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. This document is the User’s Manual of the AT85C51SND3B MP3 Player applicati
Resumo do conteúdo contido na página número 5
Section 2 Getting Started 2.1 Features The following is a list of features supported by the demonstration firmware: 2.1.1 System �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 2.1.2 Audio Player �Audio Stream – MP1, MP2, MP3 –WMA – WAV (PCM, G711, G726) Playback � Recording –G726 � Repeat A/B � Play, Pause, S
Resumo do conteúdo contido na página número 6
Getting Started 2.1.4 USB Host � Reduced Host Implementation � USB 2.0, Full Speed Transfer � Supported Class: Mass Storage, HUB, HID, CDC. � Mass Storage rate performance is 1MB/s (maximum of Full Speed) 2.1.5 File System � FAT12, FAT16, FAT32 � More than one file/disk opened at a time � File copy/paste/create/delete � Directory create/delete �Format 2.1.6 Sound Control � Stereo volume control � Sound effects: – Bass Boost – Spatial sound � Adjustable 3-band EQ – Classic, Pop, Jazz, Rock... 2.1
Resumo do conteúdo contido na página número 7
Getting Started 2.2 Keypad The following figure shows the basic key functions. Description Up Select Vol Up Lock F1 Function F1 Vol Down 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. The icons displayed in
Resumo do conteúdo contido na página número 8
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). A short animation followed by the Atmel logo will be displayed during few seconds, giv- ing the version of the firmware and N
Resumo do conteúdo contido na página número 9
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 press- ing the Select key. 3.1.1 Operating Modes Here is the list of the operating modes. Their description is given in the following sections: Mass Storage Explorer Player Play list Games Recorder Settings Ebook CDC demo 3.1.2 Battery Status The batt
Resumo do conteúdo contido na página número 10
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. Stream Type File Name Index/Total song ID3 Song Name in current directory ID3 Singer Name Stream Bit-Rate Player Status Play T
Resumo do conteúdo contido na página número 11
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. 3.2.2.2 Equalizer Executing this function launches the
Resumo do conteúdo contido na página número 12
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. – “Dir + Sub”, the player play
Resumo do conteúdo contido na página número 13
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 cor- ner 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
Resumo do conteúdo contido na página número 14
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. To play a disk, a folder or a file, put the cursor on the corresponding location with the joystick,
Resumo do conteúdo contido na página número 15
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. If no playlist
Resumo do conteúdo contido na página número 16
Operating Modes 3.5 Ebook 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. 3.6 CDC demo To enter the CDC demo application, select the CDC icon from the main menu. The fol- lowing pop-up is launched: CDC device s
Resumo do conteúdo contido na página número 17
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. 3.7.1 Contextual Menu To enter the contextual menu, follo
Resumo do conteúdo contido na página número 18
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. The current version of the firm- ware implements: � Snake game consists in eating some gems wi
Resumo do conteúdo contido na página número 19
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. 3.10.2 Power This topic allows to configure some timing in order to optimize the power consumption: �Power Off � B
Resumo do conteúdo contido na página número 20
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: 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. 3.11.1 Automatic Firmware At each power-up, the system checks if an update file is present in the “C:\Update” Update directory of the Nand Flash disk. If a file “Player_
