Derek Rodrigues Microcomputer Systems 1 Dr. Veton Kepuska.
Transcript of Derek Rodrigues Microcomputer Systems 1 Dr. Veton Kepuska.
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FINAL PROJECT – 8X8X8 REAL-TIME VOLUMETRIC FFT DISPLAY
Derek RodriguesMicrocomputer Systems 1
Dr. Veton Kepuska
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OUTLINE
Build hardware Build control circuit Write microcontroller code Write EVMOMAPL137 code Test results
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BUILD ARRAY OF LEDS
512 LEDs soldered together into layers
Each layer soldered together till cube is completed
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BUILD CONTROL CIRCUIT
Must control 512 LEDs Need minimum 72 io ports Employ multiplexing
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WRITE MICROCONTROLLER CODE
Microcontroller listens over USART for an 8X8 byte array
Sends data to latch array Tells which latch to send to cube Pulls low (grounds) appropriate cube
layer(s)
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WRITE EVMOMAPL137 CODE
Performs FFT Establishes UART communication link Prepares FFT data in format cube
understands (array [8][8] bytes) Sends formatted data at desirable rate
for visualizing 3D translation of 2D FFT
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TEST RESULTS