AT8xC51SND1C Firmware Package User Guide
Contents
1. clock h kbd kbd_drv c kbd_drv h mmc mmc_drv c L mmc_drv h mp3 mp3_drv c mp3_drv h pin pll_drv h spi spi_drv c spi_drv h timer timer_drv c timer_drv h usb usb_drv c usb_drv h wdi wdt_drv h m c51_drv h m compiler h regsnd1 h extsnd1 h 2 1 4 lib_demob Directory As shown in Figure 2 5 the lib_demob directory is organized into sub directories that 2 1 5 lib_refd Directory 2 6 4209B MP3 06 03 Figure 2 4 lib_mcu Directory Organization contain the low level drivers of the AT8xC51SND1C development board peripherals The lib_demob directory also contains the following file E board h this header file contains definitions of the board hardware such as LCD address On board Flash chip select ports etc Figure 2 5 lib_demob Directory Organization lib_ demob As shown in Figure 2 6 the lib_refd directory is organized into sub directories that con tain the low level drivers of the AT8xC51SND1C reference design peripherals dac dac_drv h Icd Icd_drv c Icd_drv h board h The lib_refd directory also contains the following file E board h this header file contains definitions of the reference design hardware such as On board Flash chip select ports AIMEL AA Firmware Package User Guide 2 1 6 lib_ mem Directory Firmware Package User Guide Installation Figure 2 6 lib_refd Directory Organization2. README txt player_xxx uv2 player_yyy hex AMEL Firmware Package User Guide 2 1 2 usb_ms_drv Directory 2 1 3 lib_mcu Directory Firmware Package User Guide Installation As shown in Figure 2 3 the win_drv directory contains the Windows 98 driver for the USB mass storage application The readme files gives some advice on how to install drivers on windows 98 platform and how to mount the removable disk on Linux platform Figure 2 3 usb_ms_drv Directory Organization usb_ms_drv atusbms zip readme txt readme_linux pdf As shown in Figure 2 4 the lib_mcu directory is organized into sub directories that con tain the low level drivers of the AT89C51SND1C peripherals The lib_mcu directory also contains the following files E c51_drv h this header file contains macro functions able to configure c51 core features such as clock mode ERAM size global interrupt etc E compiler h this header file contains new type definitions general purpose constants and macro functions able to get rid of compiler type E regsnd1 h this header file contains special function registers and bit definition of the AT8xC51SND1C products E extsnd1 h this header file contains mask definitions for special function registers of the AT8xC51SND1C products AIMEL ey 2 5 4209B MP3 06 03 Installation lip_mcu adc adc_drv c adc_drv h auch aud_drv c aud_drv h clock clock c
3. ID According to USB Organization Vendor ID VID is owned by the vendor company and is assigned and maintained by the USB IF only E mail admin usb org for more infor mation on USB IF membership and obtaining a VID Atmel allows limited usage of its VID 03EBh during product development phase Cus tomer use of the Atmel Vendor ID is not guranteed by Atmel The customer must use its own Vendor ID for production 2 2 2 USB Mass Storage Six strings are available for configuration by user in config h file Those strings are Strings printed during USB drivers installation and during disk drivers status report in host system E USB_MANUFACTURER_NAME unicode character string m USB_MN_LENGTH number of unicode character m USB_PRODUCT_NAME at least 12 unicode characters string m USB_PN_LENGTH number of unicode characters E USB_SERIAL_NUMBER at least 12 unicode characters string m USB_SN_LENGTH number of unicode character m SBC_VENDOR_ID 8 ASCII characters string SBC_PRODUCT_ID 16 ASCII characters string m SBC_REVISION_ID 4 ASCII characters string 2 2 3 File system Demonstration firmware supports 3 different file systems m FAT12 16 m FAT32 m 509660 File system configuration is done in the config h file For further information please read fs_readme txt file under modules files directory Led 2 10 AIMEL Firmware Package User Guide 4209B MP3 06 03 2 2 4 Firmware Package User Guide Memory type Installation Demonstra
4. Purpose of Modifications Date Document creation based on V1 2 x user s manual Al Support for AT89C51SNDIC Oct 22 2002 All New firmware architecture description May 28 2003 m AT8xC51SND1C Datasheet m AT89C51SND1C Errata Sheet m AT8xC51SND1 Development Board User s Guide m MP3 MPEG layer 3 m MMC MultiMediaCard m DF Atmel on board DataFlash memories E NF NAND Flash memories m CF CompactFlash memories m USB Universal Serial Bus E FAT File Allocation Table m SBC SCSI Block Command Rev 4209B MP3 06 03 Led 4209B MP3 06 03 2 1 Architecture 2 1 1 Overview Firmware Package User Guide Installation Section 2 Installation The firmware package is delivered in a zip file snd1c xxxx yyy zzz A_B_C zip that extracts in an Atmel directory Figure 2 1 shows the organization of the Atmel snd1c xxxx yyy zzz A_B_C directory The following sections detail the content of the sub directories Figure 2 1 Atmel snd1c xxxx yyy zzz A_B_C Directory Organization Atmel snd1c xxxx yyy zzz A_B_C doc ID mcu I lib_demod or lib_refd lib_storage modules L usb_ms_drv The project name is defined as follow sndic xxx yyy zzz A_B_C where xxx can be E refd for reference design based project E demo for development board based project yyy describes the type of on board memory used yyy can be E nf for NAND Flash memory E df for Data Flash mem
5. c disp h disp_task c disp_task h led_task c for reference design led_task h for reference design led h for reference design file fat c fat h fat32 c fat32 h file c file h fs h fs_readme txt fs_variable c 1509660 c iso9660 h _ fs h L wav h kbd kbd_task c kbd_task h mass usb_task c usb_task h sbc h I mem hard h mem_task c mem _task h mode mode _task c mode _task h song song_drv c song_drv h song_task c song Task bh tool tool_task c tool_task h voice voice_drv c voice_drv h voice_task c voice_task h AIMEL Firmware Package User Guide Ey E 2 9 4209B MP3 06 03 Installation 2 2 Firmware There are two files that are used to configure the firmware Configuration E the config h located under snd1c xxxx yyy zzz A_B_C directory used to configure the library drivers as detailed in each driver header files E the board h located under lib_demob directory used to configure the board type between V2 1 or V2 2 and the component information of the board Note When working with the starter kit only the board type has to be configured component configuration must not be changed 2 2 1 USB IDs Three IDs are available for configuration by the user in config h file E Vendor ID E Product ID m Release Number
6. 23 3551 EE Fax 81 3 3523 7581 East Kilbride G75 OQR Scotland Tel 44 1355 803 000 Fax 44 1355 242 743 e mail literature atmel com Web Site http www atmel com Disclaimer Atmel Corporation makes no warranty for the use of its products other than those expressly contained in the Company s standard warranty which is detailed in Atmel s Terms and Conditions located on the Company s web site The Company assumes no responsibility for any errors which may appear in this document reserves the right to change devices or specifications detailed herein at any time without notice and does not make any commitment to update the information contained herein No licenses to patents or other intellectual property of Atmel are granted by the Company in connection with the sale of Atmel products expressly or by implication Atmel s products are not authorized for use as critical components in life support devices or systems O Atmel Corporation 2003 All rights reserved AtmelO is a registered trademark of Atmel Corporation DataFlash is a trademark of Atmel Corporaion Windows98 WindowsXP Windows2000 and Windows98SE are trademarks of Microsoft Corporation Linux is a trademark of Linus Torvalds Intel is a trademark of Intel Corporation CompactFlash is a trademark of CompactFlash Association SmartMedia is a registered trademark of Toshiba Corporation Other terms and product names in this document may be trademarks
7. AT8xC51SNDIC Firmware Package User Guide AMEL T AO 2 Alm L AT8xC51SND1C Firmware Package User Guide ey 4209B MP3 06 03 AMEL Firmware Package User Guide Section 1 MMO CUICT OM EE 1 1 Lt Document Hem nici eae ta 1 1 EC NEE 1 1 LS ADD MIOS o ia a E 1 1 Section 2 Instala sn ae 2 3 21 Architecture nui ba 2 3 2 2 Firmware Confguratton conca nana rana nc 2 10 2 3 SBC LibrariesInterface ooooonnninninnncinnninnnncccnncnnnncncnrnnrnnn nn rare cnnnn cnn 2 12 2 4 Mass Storage Drivers 2 13 Section 3 Operating Description 3 15 al 3 OVEIVIEW ar eege Gegen Ee 3 15 3 2 Keypad Ee Lulu 3 15 3 3 Firmware Upgrade AANEREN 3 15 EE De EE 3 15 3 5 Mode Selections candi aaa en He 3 16 3 6 Song Operating Mode ocoooocinnncccnncccinnoccnnonccnnoncnnnoncncnn nn nano nnnrnnc cnn nnnnnn 3 16 3 7 Voice Operating Mode cccccceecceeeeeeceeeeeeeeaeeeceeeeseeaeeesaaeesecaeeesaeeetenes 3 19 3 8 Tool Operating Mode A 3 20 3 9 Mass Storage Operating Mode coooocinnocccncccccnnccnoncncccnonnnononcncnnccnn arcanos 3 22 1 4209B MP3 06 03 AMEL 1 1 Document History 1 2 References 1 3 Abbreviations Firmware Package User Guide Section 1 Introduction The AT89C51SND1C demonstration firmware is part of the AT8xC51SND1C starter kit This document is the user s guide of the AT89C51SND1C demonstration firmware It is based on the development board V2 1 or V2 2 Rev Pages
8. Ib reich dach dac_drv h board h As shown in Figure 2 7 the lib_mem directory is organized in sub directories that con tain the high level drivers of memories or cards that can be connected to the AT8xC51SND1C products Figure 2 7 lip_mem Directory Organization lib_ mem df df c df h mmc c mmc h t nf_1x_521b1 nf c nf h nf_drv c nf_drv h nf_drv_load a51 L nf_readme txt mmc t XXX For NAND Flash based application some companion files give information on the dem onstration firmware reserved disk space feature or NAND Flash installation for example NAND flash directories contain also a nf_readme txt file Please read these files carefully MMC driver supports Multiple Block mode operations If there is no specific define in config h file the driver will be configured in Single Block mode To set the Multiple Block mode operation add this line in config h file define MMC_CONFIG MMC_MULTI AMEL 27 Led 4209B MP3 06 03 Installation 2 1 7 lib_storage Directory 2 1 7 1 doc Directory 2 8 4209B MP3 06 03 As shown in Figure 2 8 the lib_storage directory contains the libraries for SBC mass storage support In order to standardize the interfaces and to keep confidentiality on these modules embedded SCSI modules are delivered in library form source code not delivered SBC module is composed of the following libraries E s
9. Orchard Parkway Atmel Operations Memory RF Automotive San Jose CA 95131 Tel 1 408 441 0311 Fax 1 408 487 2600 Regional Headquarters Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 2325 Orchard Parkway San Jose CA 95131 Tel 1 408 441 0311 Fax 1 408 436 4314 Microcontrollers 2325 Orchard Parkway San Jose CA 95131 Tel 1 408 441 0311 Fax 1 408 436 4314 Theresienstrasse 2 Postfach 3535 74025 Heilbronn Germany Tel 49 71 31 67 0 Fax 49 71 31 67 2340 1150 East Cheyenne Min Blvd Colorado Springs CO 80906 Tel 1 719 576 3300 Fax 1 719 540 1759 CH 1705 Fribourg La Chantrerie Biometrics Imaging Hi Rel MPU Switzerland d Tel 41 26 426 5555 BP 70602 High Speed Converters RF Datacom Fax 41 26 426 5500 44306 Nantes Cedex 3 France Avenue de Rochepleine Tel 33 2 40 18 18 18 BP 123 Asia Fax 33 2 40 18 19 60 38521 Saint Egreve Cedex France Tel 33 4 76 58 30 00 oot 13 ASIC ASSP Smart Cards Se Chinachem Golden Plaza Fax 33 4 76 58 34 80 77 Mody Road Tsimshatsui East Kowloon Hong Kong Tel 852 2721 9778 Fax 852 2722 1369 Zone Industrielle 13106 Rousset Cedex France Tel 33 4 42 53 60 00 Fax 33 4 42 53 60 01 1150 East Cheyenne Min Blvd Japan Colorado Springs CO 80906 9F Tonetsu Shinkawa Bldg Tel 1 719 576 3300 1 24 8 Shinkawa Fax 1 719 540 1759 Chuo ku Tokyo 104 0033 Japan Scottish Enterprise Technology Park Tel 81 3 35
10. bc lib This lib contains the common not memory dependant SBC functions m sbc_df lib This lib contains the specific SBC functions for DataFlash support E sbc_mmc lib This lib contains the specific SBC functions for MultiMediaCard support E sbc_nf lib This lib contains the specific SBC functions for NAND Flash support m sbc_smc lib This lib contains the specific SBC functions for SmartMediaCard support m sbc_cf lib This lib contains the specific SBC functions for CompactFlash support E sbc_atapi lib This lib contains the specific SBC functions for ATAPI devices like CompactDisc Reader support E sbc_hdd lib This lib contains the specific SBC functions for Hard Disk Drive support m sbc_sd lib This lib contains the specific SBC functions for SD support Information on how to interface with those libraries is given in Section 2 3 Figure 2 8 lib_storage Directory Organization lib_ storage sbc h m sbe lib m sbc_df lib t sbc_mmc lib m sbc_nf lib sbc_smc lib sbe_xxx lib The doc directory contains the user s guide of the firmware in PDF format AIMEL AA Firmware Package User Guide Installation 2 1 7 2 modules Directory As shown in Figure 2 9 the modules directory is organized in sub directories that con tain files such as system header and source files task header and source file Figure 2 9 modules Directory Organization modules display disp
11. brary Exxx block_size_0 xxx_block_size_1 xxx_block_size_2 xxx_block_size_3 4 byte unsigned block size byte unit reported byte by byte Exxx disk_size_0 xxx_disk_size_1 xxx_disk_size_2 xxx_disk_size_3 4 byte unsigned disk size block unit reported byte by byte E xxx_read_open void xxx_read_sector sector_nb xxx_read_close void functions implemented in memory driver module Exxx write _open void xxx_write_sector sector_nb xxx_write_close void functions implemented in memory driver module E xxx check presence function implemented in removable memory card driver module only No specific mass storage driver installation is requested when using Windows 2000 Windows ME and Windows XP Each system loads the generic mass storage driver when plugging the development board to the PC As no generic driver is available under Windows 98SE system Atmel has developed its own mass storage driver to support this operating system This driver is based on 3 files atusbms sys atusbpdr pdr and atusbms inf Install information is provided in readme txt file under usb_ms_drv directory Install information for linux is provided in readme_linux pdf file under usb_ms_drv directory AIMEL N 2 13 4209B MP3 06 03 Led 4209B MP3 06 03 Operating Description Section 3 Operating Description 3 1 Overview The following sections describe demo df mmc firmware operating modes Some slight c
12. dd sbc lib in the project file E sbc_cf lib this lib contains the specific SBC functions for CompactFlash support E sbc_hdd lib this lib contains the specific SBC functions for Hard Disk Drive support E gl_sbc_wr_busy 1 bit write activity set to ON by library must be set to OFF by consuming task see disp_task c E gl_sbc_rd_busy 1 bit read activity set to ON by library must be set to OFF by consuming task see disp_task c E gl_sbc_wr_protect 1 bit write protection set to ON or OFF before calling the library command browser see usb_task c m dCBWDataTransferLength 4 byte unsigned USB variable declared in usb_task c E gl_sbc_vendor_id 8 char table in code space see Section 2 2 2 for configuration E gl_sbc_product_id 16 char table in code space see Section 2 2 2 for configuration E gl_sbc_revision_id 4 char table in code space see Section 2 2 2 for configuration In the following items xxx may represent df nf smc cf depending on the memory library E void sbc_xxx_init void Memory dedicated SBC support initialization function E void sbc_command_xxx void Memory dedicated SBC support command parser function AIMEL AA Firmware Package User Guide 2 3 3 External Library Functions 2 4 Mass Storage Drivers 2 4 1 Windows Drivers 2 4 2 Linux Drivers Firmware Package User Guide Installation In the following items xxx may represent df nf smc cf depending on the memory li
13. e 3 8 1 Keypad Functions 3 8 2 Memory Selection 3 8 3 Tool State 3 8 4 Format Item Firmware Package User Guide Operating Description Figure 3 6 Display in Tool Operating Mode Tool Memory Icon Icon Lock Status Item Execution State ltem Name Table 7 details the functionality of each key depending on the current state Table 7 Tool Mode Key Function Key Description Execute gt Il Execute the selected item MM Mode MODE Exit the tool operating mode and go to the song operating mode Keypad Lock Control n 0 Lock or unlock the keypad The memory selection is done using the Memory control key On board memory is selected by default pressing the Memory control key selects sequentially the MMC1 memory the MMC2 memory then the on board memory If present selected memory is displayed as shown in Table 2 The tool operating mode can take 2 different states as detailed in Table 8 Table 8 Tool States Icon Description READY u Selected function is ready for execution BUSY gt Selected function is under execution The format function allows memory formatting in FAT12 or FAT16 depending on the memory size For example on board DataFlash will be formatted in FAT12 for V2 1 board 16 Mbytes or FAT16 for board V2 2 32 Mbytes This format function is compliant with MMC and SMC recommendations Using other format specially fo
14. hanges may apply for other demonstration firmware icon file system type 3 2 Keypad Figure 3 1 shows the board s keypad assignment one key is left free of functionality for Assignment user s usage Figure 3 1 Keypad Assignment dP GO 14 Il 0 y MODE 3 3 Firmware A hidden operating mode is available to upgrade the firmware without using the ISP Upgrade hardware condition This mode is entered by pressing simultaneously the grayed key as shown in Figure 3 1 while powering the board or pressing the reset button The upgrade screen is then displayed to inform user of boot loader execution Figure 3 2 Firmware Upgrade Scr een Firmware Upgrade Firmware can then be upgraded using the generic Atmel FLIP tool 3 4 Start Up The AT89C51SND1C firmware starts with a splash screen giving the version of the firmware see Figure 3 3 This screen is displayed during few seconds but can be skipped by pressing any key Note 1 Version displayed is composed of three digits Please refer to chapter 2 1 1 for further information Firmware Package User Guide AIMEL ey 3 15 4209B MP3 06 03 Operating Description 3 5 Mode Selection 3 6 Song Operating Mode 3 6 1 Keypad Functions 3 16 4209B MP3 06 03 Figure 3 3 Splash Screen AT8x51SND1 DEMO FIRMWARE V3 0 X After the set up phase the firmware enters the
15. memory per second Table 5 details the functionality of each key depending on the current state Table 5 Voice Mode Key Function Key Description Next Message gt Select next voice message in memory Previous Message ia Select previous voice message in memory Play stop state Start playing of selected voice message Pause play state Il Suspend playing of voice message Pause record state Suspend recording of song message Stop play state Stop playing of voice message Stop record state MODE Stop recording of voice message Mode stop state Exit the voice operating mode and go to the tool operating mode Increase Control Increase volume Decrease Control Decrease volume Alm L 3 19 Led 4209B MP3 06 03 Operating Description 3 7 3 Message Recording 3 7 4 Message Erasing 3 7 5 Memory Selection 3 7 6 Message Player Recorder State 3 7 7 Message Name 3 7 8 Playing Time 3 7 9 Volume Control 3 8 Tool Operating Mode 3 20 4209B MP3 06 03 Key Description Record stop state Start recording of anew voice message Y Erase stop state Pressing this key for more than 3 seconds removes the selected voice message from FAT Keypad Lock Control Lock or unlock the keypad 0 Pressing the Record key creates a new Voicexxx wav file in FAT then sampling is started and message is recorded until the Stop key is pressed o
16. mory refer to icon is E the MMC if at least one MMC card is present in the stack E the on board memory if no MMC card is present in the stack The selected memory stays selected until USB is unplugged On platforms that support multi drive the selected memory is E the on board memory on the first mounted drive E the MMC on the second mounted drive When MMC card is removed and plugged again and depending on the operating sys tem it may be necessary to press the F5 key to refresh the explorer content If keypad is locked before entering the download operating mode file write will be forbid den and a message will inform user that the device is write protected in case of attempted file write Due to SCSI mass storage implementation write protection must be set prior to connecting the device to USB Any change of the lock key during connection will have no effect AIMEL AA Firmware Package User Guide 3 9 4 Download State Firmware Package User Guide Operating Description The download or upload activity is signalled to user by blinking the download indicator Do not unplug the player while this indicator is blinking this may result in file system cor ruption and may request new formatting of the memory Table 9 Download States Icon Description Busy A Host is writing a file to memory Host is reading a file from memory AIMEL ey 3 23 4209B MP3 06 03 AIMEL En Atmel Corporation 2325
17. of others Gei Printed on recycled paper
18. ory AMEL 23 Led 4209B MP3 06 03 Installation 2 4 4209B MP3 06 03 zzz is optional and describes the type of card memory used zzz can be E mmc for MultiMediaCard memory E smc for SmartMedia Card memory E sd for Secure Digital Card memory For IDE ATAPI projects such as Hard Disk Drive Compact Disc Reader or Compact Flash project tag is snd1c xxx ide A_B_C A_B_C is the version number of the package A Band C are digits A gives the major revision number B gives the minor revision number and a state of the revision even number stable version odd number non stable version used during developments C gives the patch revision number As shown in Figure 2 2 in addition to subdirectories the project_tag directory contains all the demonstration firmware core files and some important companion files giving information on the demonstration firmware Please read these files carefully This directory contains the Kell u vision2 project files the executable file in Intel hex format the config h file Depending on the demo more than one hex and p vision2 project files can be found under this directory Figure 2 2 snd1c xxxx yyy zzz A_B_C File Organization snd1c xxxx yyy zzz A_B_C ___ config h main c scheduler c scheduler h startup a51 variable c isp a51 CHANGES txt INSTALL txt LICENSE txt NEWS txt
19. ory is selected MMC1 D MMC card 1 is selected AMEL 317 Led 4209B MP3 06 03 Operating Description 3 6 3 3 6 4 Song Player State Song Name Icon Description D MMC2 MMC card 2 is selected The player can take 5 different states as detailed in Table 3 Table 3 Song Player States Icon Description SONG J MP3 file selected stop state DIRECTORY A Directory selected stop state PLAY gt Selected song under playing PAUSE Il Selected song paused ERROR x Selected memory is not formatted 3 6 5 Playing Time 3 6 6 Sound Control 3 6 7 Repeat Modes 3 18 4209B MP3 06 03 When entering song operating mode or after selecting other memory the first song or directory of the root directory is displayed If the name is more than 14 bytes long it is scrolled on the display from right to left If the root directory is empty no MP3 file or no directory is displayed instead of name If memory is not formatted the error state is displayed Please refer to Section 3 8 to for mat the memory During song playing time is displayed as minute second Sound selection is done by pressing the Sound key The level of each selected sound is displayed on the screen Sound adjustment is performed by pressing the Increase or Decrease key Two repeat modes are available E Repeat A B E Auto Repeat These modes are only selec
20. r NF or SMC may lead to decrease the data transfer rate in mass stor age mode AIMEL er 3 21 4209B MP3 06 03 Operating Description 3 9 Mass Storage Operating Mode 3 9 1 Keypad Functions 3 9 2 Memory Selection 3 9 3 Write Protection 3 22 4209B MP3 06 03 Firmware V3 0 X and later support USB mass storage on the following platforms E Win98 through Atmel drivers m Win2000 ME XP m MAC OS V9 and later E Linux Note 1 These platforms do not provide multi drive support 2 Service Pack 3 of Win2000 now allows multi drive support When the development board is plugged to the host through the USB cable the cur rently selected operating mode is stopped and the download operating mode is entered see Figure 3 7 When disconnecting from the host the song operating mode is auto matically selected Depending on the platform multi drive support one or two removable disks automati cally appear in the explorer window Content of the selected memory is then made accessible for read write operations through the explorer Figure 3 7 Display in Download Operating Mode USB Memory Icon Icon Write Protect Status i L E Download Indicator As soon as development board is connected to the PC player is not controllable through the keypad until it is unplugged from the PC Memory selection is done when entering the download operating mode On platforms that do not support multi drive the selected me
21. r end of memory is reached Up to 255 voice messages can be recorded in FAT Pressing the Erase key for more than 3 seconds erases the currently selected message The memory selection is done using the Memory control key On board memory is selected by default pressing the Memory control key selects sequentially the MMC 1 memory the MMC2 memory then the on board memory If present selected memory is displayed as shown in Table 2 The voice player recorder can take 5 different states as detailed in Table 6 Table 6 Voice Player States Icon Description STOP u No message under playing nor recording PLAY gt Message is under playing PAUSE II Playing or recording is paused RECORD y Message is under recording ERROR x Selected memory is not formatted When entering voice operating mode or after selecting other memory the wave file name is displayed If the root directory of the on board memory does not contain any VOICEnnn WAV file is displayed instead of the file name If memory is not formatted the error state is displayed During memo playing time is displayed as minute second A five step volume control is implemented and is adjusted by pressing the Increase or Decrease key This operating mode is a menu composed of two items It is used to format the memory with or without voice files AIMEL AA Firmware Package User Guid
22. song operating mode In all operating modes the mode can be sequentially changed using the Mode key with the following order E Song mode m Voice mode m Tool mode Mass Storage operating mode is entered automatically when connecting the board to the PC through the USB connection All these operating modes are detailed in the following sections This mode is the MP3 song player It gathers together all the standard features of a por table player It displays the FAT file names in DOS 8 3 or VFAT long format Figure 3 4 Display in Song Playing Mode Player Memory Repeat Sound Playing Icon Icon Icon Level Time Lock Status 80 gt 415 0 00 Song Name mp3 Player State Song Name Table 1 details the functionality of each key depending on the current state Table 1 Song Mode Key Function Key Description y ER Sound Control Select the volume or bass or medium or treble control Memory Control stop state Make a selection between the on board FLASH memory the MMC 1 or the MMC 2 card Next Song play state Play next mp3 file in current directory Pl Next Selection stop state Select next mp3 file or directory in current directory AIMEL AA Firmware Package User Guide 3 6 2 Memory Selection Firmware Package User Guide Operating Description Key Description Previous Song play state Play previous mp3 file or directory in current director
23. table during song playing mode Pressing the Repeat key for more than half a second enables or disables the auto repeat feature Pressing the Repeat key once sets the A marker while pressing the Repeat key a second time sets the B marker Then song is played from A to B repeatedly Repeat modes are signalled to user using a small icon in the first line of the display see Figure 3 4 and as detailed in Table 4 Table 4 Repeat Mode Status Icon Description Auto Repeat Endless Playing gt Repeat A B A marker is set AIMEL ey Firmware Package User Guide 3 6 8 Song Erasing 3 7 Voice Operating Mode 3 7 1 File Format 3 7 2 Keypad Functions Firmware Package User Guide Operating Description Icon Description gt Repeat A B B marker is set repeat playing from AtoB In order to free up memory for message recording an erase function has been imple mented Pressing the Erase key for more than 3 seconds erases the currently selected song This mode is used to store voice messages Figure 3 5 Display in Voice Operating Mode Voice Memory Volume Playing Icon Icon Level Time Lock Status san 12 0 00 VOICEOO1 WAV Player Recorder State Message Name Files created are compatible with windows pcm wav files and can be played using any media player File format is mono 8 Khz 8 bit leading to 64 Kbits s thus 8 Kbytes of
24. tion firmware supports different memory E MultiMedia Card m SmartMedia Card m Compact Flash E NAND Flash E DataFlash m SD card m Hard Disk Drive m Compact Disk Memory type definition must be set in config h file Pin out definition is defined in board h file There is two kinds of memory management m On board memory E Card memory This allows 3 combinations E project with on board memory alone E project with card memory alone E project with both on board memory and card memory For example define MEM_CHIP_TYPE CHIP_NF define MEM_CARD_TYPE CARD_MMC This lines will configure memory type as E NAND Flash for on board memory E MultiMedia Card for card memory AIMEL BS 2 11 4209B MP3 06 03 Installation 2 3 SBC Libraries Interface 2 3 1 Global Variables 2 3 2 Internal Library Functions 2 12 4209B MP3 06 03 SBC module is composed of the following libraries E sbc lib this lib contains the common not memory dependant SBC functions E sbc_df lib this lib contains the specific SBC functions for DataFlash support E sbc_mmc lib this lib contains the specific SBC functions for MultiMediaCard support E sbc_nf lib this lib contains the specific SBC functions for NAND Flash support E sbc_smc lib this lib contains the specific SBC functions for SmartMediaCard support E sbc_atapi lib this lib contains the specific SBC functions for ATAPI support If there is only one memory don t a
25. y WM Previous Selection stop state Select previous mp3 file or directory in current directory Play stop state Start playing of selected song Pause play state Il Suspend playing of song Enter stop state Enter the selected directory Stop play state Stop playing of song MODE Mode stop state Exit the song operating mode and go to the voice operating mode Increase Control Increase global volume Increase bass volume Increase medium volume Increase treble volume Decrease Control Decrease global volume DM Decrease bass volume Decrease medium volume Decrease treble volume Parent Directory stop state Go to the parent directory Repeat play state Repeat playing from the beginning after the last song toggle key Repeat A B play state First press sets A marker while second press sets B marker and jumps back to A marker d Erase stop state Y Pressing this key for more than 3 seconds removes the selected song file from FAT Keypad Lock Control 0 Lock or unlock the keypad The memory selection is done using the Memory control key On board memory is selected by default pressing the Memory control key selects sequentially the MMC1 memory the MMC2 memory then the on board memory If present selected memory is displayed as shown in Table 2 Table 2 Selected Memory Status Icon Description On Board Memory i On board mem
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