Player Guitar Critical Design ReviewIntroductionPresentation OverviewHardware OverviewCentral Control UnitMicroprocessor SchematicRAM/ROM DiagramFPGA SchematicSolenoidsSOLENOID SETUPStepper MotorsStill to come…Software OverviewData flow chartBasic MIDI EventsMidi InterpretationROM Test CodeRAM Test CodeDivision of LaborScheduleMilestonesMilestones Cont.Any Questions?Player GuitarCritical Design ReviewPlayer GuitarCritical Design ReviewLucas GilbrideRick DenneyDan ForresterRandy HoodLucas GilbrideRick DenneyDan ForresterRandy HoodIntroductionIntroductionOur project is a device that plays downloaded music in MIDI format on an acoustic guitar. The design will use stepper motors attached to guitar picks to pluck the strings and will use solenoids to depress the strings so that different notes can be strummed.Our project is a device that plays downloaded music in MIDI format on an acoustic guitar. The design will use stepper motors attached to guitar picks to pluck the strings and will use solenoids to depress the strings so that different notes can be strummed.Presentation OverviewPresentation OverviewSystem OverviewHardware setupCentral Control UnitSolenoids & Software PlanData FlowMIDI confusionAdminScheduleDivision of laborSystem OverviewHardware setupCentral Control UnitSolenoids & Software PlanData FlowMIDI confusionAdminScheduleDivision of laborHardware OverviewHardware OverviewUser InterfaceMicroprocessorRAMROMMIDI Decoder(Optional)FPGAMotor and Solenoid ControllersPick MotorsSolenoidsFlash CardCentral Control UnitCentral Control UnitMotorolla MC68HC11 MicroprocessorXilinx Spartan XCS10 FPGAATMEL AT29C256 EPROMOKI M51257AL-10 RAMRALTRON CO6050-T 8.000 MHz clockXilinx 18V256JC EEPROMFairchild MC74HC373N Transparent LatchTexas Inst. SN74HC245N Bus TransceiverPower Circuitry:Fairchild MC7805C 5V RegulatorFairchild 1587T33 3.3V RegulatorMotorolla MC68HC11 MicroprocessorXilinx Spartan XCS10 FPGAATMEL AT29C256 EPROMOKI M51257AL-10 RAMRALTRON CO6050-T 8.000 MHz clockXilinx 18V256JC EEPROMFairchild MC74HC373N Transparent LatchTexas Inst. SN74HC245N Bus TransceiverPower Circuitry:Fairchild MC7805C 5V RegulatorFairchild 1587T33 3.3V RegulatorMicroprocessor SchematicMicroprocessor SchematicRAM/ROM DiagramRAM/ROM DiagramFPGA SchematicFPGA SchematicSolenoidsSolenoidsSolenoids will be used to hold down strings in order to play notes. A solenoid will be picked basedon its size and power characteristics.The end of each solenoid will be padded in order to prevent damage to the guitar.SOLENOID SETUPSOLENOID SETUPMax Force: 2 lbsMin Force: 1 lbsStepper MotorsStepper MotorsStepper motors will be used to strum the six strings on the guitar. The stepper motor used will be pick based on its size, price, and power specifications.Still to come…Still to come…Compact Flash CardUser InterfaceOn/off, play, track selectPossible LCD Compact Flash CardUser InterfaceOn/off, play, track selectPossible LCDSoftware OverviewSoftware OverviewUser InterfaceOperatingSystemMIDI DecoderFlash DriverMIDIs to RAMData flow chartData flow chartFlash CardFlash CardHC11HC11RAMRAMFPGAFPGAMIDIModified MIDINote On/Off CodesPick CodesSolenoid &Motor DriversSolenoid &Motor DriversSolenoidsSolenoidsStepper MotorsStepper MotorsSeparate Data LinesBasic MIDI EventsBasic MIDI Events90 3C 40 delta timeMidi Function:Note OnNote OffNote:This caseMiddle CNote VelocityTime until Next Midi EventMidi InterpretationMidi InterpretationImplement a parsing algorithmDecode Midi File Send Midi Command (Note On/Off) to solenoids and stepper motors via FPGAWait designated delta timeRead next Midi Command and repeatImplement a parsing algorithmDecode Midi File Send Midi Command (Note On/Off) to solenoids and stepper motors via FPGAWait designated delta timeRead next Midi Command and repeatROM Test CodeROM Test Code“WE’VE NOP’D!”RAM Test CodeRAM Test CodeDivision of LaborDivision of LaborRandyMicroprocessorUser InterfaceLucasFPGAMechanicsRickMIDI(Reading and Storage)DanMechanicsOverall AssemblyScheduleScheduleMilestonesMilestonesCDRResearch/Test ComponentsWorking ROM/RAM Understanding of Microprocessor architecture Milestone 1Implemented FPGA logicCompleted MIDI translator codeWorking motor and solenoid driversMechanics completedCDRResearch/Test ComponentsWorking ROM/RAM Understanding of Microprocessor architecture Milestone 1Implemented FPGA logicCompleted MIDI translator codeWorking motor and solenoid driversMechanics completedMilestones Cont.Milestones Cont.Milestone 2Combine Code and SubsystemsBegin testing, debugging, and optimizingExpoFull functional designCosmetics addedPossible design extensionsMore fretsImproved User Interface (LCD display)Rockin’ songsMilestone 2Combine Code and SubsystemsBegin testing, debugging, and optimizingExpoFull functional designCosmetics addedPossible design extensionsMore fretsImproved User Interface (LCD display)Rockin’ songsAny Questions?Any
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