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Team 1: Algorhythms Software Design Considerations

This document explores the design considerations for a communication system integrating the ATMEL ATMega16 microcontroller and Analog Devices Blackfin BF532 DSP. Key topics include interrupt-driven architecture, critical timing for sound output at 48kHz, and maintaining song tempo updates. The system employs low-frequency sampling (~1kHz) for sensors and buttons, with intra-chip communication established via SPI. Detailed flowcharts and operational state diagrams are presented to illustrate the main functional components and interactions between the ATMega16 and Blackfin.

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Team 1: Algorhythms Software Design Considerations

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  1. Team 1: AlgorhythmsSoftware DesignConsiderations

  2. Device Mockup

  3. Chip Communication ATMEL ATMega16 ANALOG DEVICES “Blackfin” BF532 SPI

  4. Code Organization • Interrupt-Driven • Timing is critical • Sound output at 48kHz • Song needs to be updated at its tempo • Sensors and Buttons • Sampled at low frequency ~1kHz • Intra-chip Communication • ATMEL talks to Blackfin via SPI

  5. START START Initialize Initialize Registers Registers Boot Blackfin Idle Loop Idle Loop Main Flowchart Main Function (BF532) Main Function (ATMega16)

  6. Operational State Diagram

  7. ATMEL Blackfin ISR Flowcharts

  8. Hierarchical Block Diagram

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