Abstract

OMAP3530 is a Multiprocessor System-on-Chip (MPSoC) device which integrates ARM Cortex-A8, C64x+, Graphics Accelerator and various peripherals, it's designed to meet mobile multimedia applications so it is a good solution for a spectrum analyzer implementation. In this paper is presented a spectrum analyzer instrument implementation based on OMAP3530 architecture, using FFT algorithm. The FFT algorithm is implemented on DSP and the user interface is implemented on ARM and Linux OS. DSP/BIOS Link, library for the inter-processor communication across the ARM-DSP boundary is used This instrument could be a good solution for vibration analyses using an accelerator sensor, sound or any other periodical input signal. To test this spectrum analyzer instrument during the application development a sound wave was used as input signal. On the ARM side a Linux OS is used, which ensure a proper solution for user interfaces (S-Video, DVI, LCD, touch screen) and interconnections (UART, USB, Ethernet).

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