MP3 Player/BoomboxProject ObjectivesDivision of LaborFPGAFile StorageSlide 68255A Chip DescriptionProcessorProcessing PowerProject ComponentsMP3 Encoder/DecoderEncoder/Decoder SpecsID3 Tag InformationStorage StructureLCD Display - 4x20 charactersLCD ContinuedScheduleCost EstimatesPositive Impact on SocietyNegative ImpactsRisks and Contingency PlanSlide 22QuestionsMP3 Player/BoomboxMP3 Player/BoomboxKevin DavisKevin DavisShane NeuvilleShane NeuvilleDan ChaoDan ChaoAndy OwensAndy OwensChristopher TilleryChristopher TilleryECEN 4610: Capstone Laboratory ECEN 4610: Capstone Laboratory Preliminary Design Review (PDR)Preliminary Design Review (PDR)Project ObjectivesProject ObjectivesRecord MP3s off CD-Rom onto hard driveRecord MP3s off CD-Rom onto hard drivePlay MP3s off of hard drivePlay MP3s off of hard driveAbility to select current trackAbility to select current trackAbility to stop, pause, rewind, and fast forward Ability to stop, pause, rewind, and fast forward Ability to delete songsAbility to delete songsInteractive LCD display Interactive LCD display Display artist and song titleDisplay artist and song titleDisplay volume levelDisplay volume levelDivision of LaborDivision of LaborChris:Chris:•ProcessorProcessor•Hard Drive / File StorageHard Drive / File Storage•CD-RomCD-RomDan:Dan:•ProcessorProcessor•PCBPCB•MP3 DecoderMP3 DecoderShane:Shane:•Logic / Bus ControlLogic / Bus Control•Hard drive / File StorageHard drive / File Storage•CD-RomCD-RomAndy:Andy:•Logic / Bus ControlLogic / Bus Control•PCBPCB•LCDLCDKevin:Kevin:•Logic / Bus ControlLogic / Bus Control•PCBPCB•User InterfaceUser InterfaceFPGAFPGAXilinxXilinxBus ArbitrationBus ArbitrationGlue LogicGlue LogicFile StorageFile StorageIDE Hard DriveIDE Hard DriveStore the songs in mp3 format.Store the songs in mp3 format.Fat 16Fat 16Interface via an 8255 chipInterface via an 8255 chipMp3 Format CD’sMp3 Format CD’sUtilize ID3 tags to separate songs into Utilize ID3 tags to separate songs into directories on the hard drive.directories on the hard drive.User can either play the CD, copy the CD to User can either play the CD, copy the CD to internal hard drive, or both.internal hard drive, or both.File StorageFile StorageWav format CD’sWav format CD’sUser can either play the CD, copy the CD to User can either play the CD, copy the CD to internal hard drive, or both.internal hard drive, or both.User Specifies CD Name and Artist for wav User Specifies CD Name and Artist for wav format CDs.format CDs.Files are stored in directories according to Files are stored in directories according to Artist and CD.Artist and CD.8255A Chip Description8255A Chip Description ChipChip Mode Selection Mode SelectionProcessorProcessorMotorola M68HC12BC32Motorola M68HC12BC32Processing PowerProcessing Power16 bit Address and Data Bus Capability16 bit Address and Data Bus CapabilitySCI and SPI serial interface SCI and SPI serial interface Interfacing with RS232Interfacing with RS232Upward Compatible with M68HC11 Upward Compatible with M68HC11 instruction setinstruction setProject ComponentsProject ComponentsProcessorData BusAddress BusFPGALCDCD RomHard DriveAudio Out DecoderRAM EPROMKeypadMP3 Encoder/DecoderMP3 Encoder/DecoderMAS 3587FMAS 3587FEncoder/Decoder SpecsEncoder/Decoder SpecsInternal ClockInternal ClockADC/DACADC/DACEncoding up to 192 kbit/sEncoding up to 192 kbit/sI2C Serial InterfaceI2C Serial InterfaceID3 Tag InformationID3 Tag Information128 bytes at end of MP3 file128 bytes at end of MP3 fileSong title: 30 charactersSong title: 30 charactersArtist: 30 charactersArtist: 30 charactersAlbum: 30 charactersAlbum: 30 charactersYear: 4 charactersYear: 4 charactersComment: 30 charactersComment: 30 charactersGenre: 1 byteGenre: 1 byteStorage StructureStorage Structure11stst level of directory structure will be artists level of directory structure will be artists name.name.22ndnd level of directory structure will be CD level of directory structure will be CD titletitleSongs can be stored at any level of the Songs can be stored at any level of the directory structure.directory structure.LCD Display - 4x20 characters LCD Display - 4x20 characters Custom Start-up logo Custom Start-up logo Menu to Choose:Menu to Choose:Play Song / PlaylistPlay Song / PlaylistCopy from CDCopy from CDDelete SongsDelete SongsPossible Playlist EditorPossible Playlist EditorDisplay ID3 tag information: Include at Display ID3 tag information: Include at least Song Title and Artistleast Song Title and ArtistPlaytime and Volume displays possibly Playtime and Volume displays possibly using barsusing barsLCD ContinuedLCD ContinuedLCD interacts with keypad through User LCD interacts with keypad through User InterfaceInterfaceLCD display controlled through RS-232 or LCD display controlled through RS-232 or I2C interfaceI2C interfaceBuy LCD with controller or use HD44780 Buy LCD with controller or use HD44780 chip as controllerchip as controllerBacklight to make viewing easier Backlight to make viewing easierScheduleScheduleCost EstimatesCost EstimatesFPGA board: Free (provided by course)FPGA board: Free (provided by course)Processor: $15Processor: $15MP3 Encoder/Decoder: $35MP3 Encoder/Decoder: $35LCD Screen with controller: $60LCD Screen with controller: $60PCB board: $100PCB board: $100RAM: $10RAM: $10CD-ROM Drive: Free (used)CD-ROM Drive: Free (used)Hard Drive: Free (used)Hard Drive: Free (used)Speakers: Free (used)Speakers: Free (used)Miscellaneous Parts: $100Miscellaneous Parts: $100Labor: FreeLabor: FreeHours spent in basement of engineering center: PricelessHours spent in basement of engineering center: PricelessTotal Estimated Cost: $320Total Estimated Cost: $320Positive Impact on SocietyPositive Impact on SocietyLess space wasted by CDs and casesLess space wasted by CDs and casesEliminates problem of scratched CDs and Eliminates problem of scratched CDs and misplaced CDsmisplaced CDsBetter parties with greater selection of songs for Better parties with greater selection of songs for easier DJing easier DJing Adapted to car would result in less accidents Adapted to car would result in less accidents caused by careless CD changingcaused by careless CD