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PMOD I2S implementation with FIR filter

Management and Analysis of Physical Dataset course A.Y. 2021/2022.

Group 5:

  • Agosti Luca

  • Attar Aidin

  • Baci Ema

  • Coppi Alberto

Professors:

  • Prof. Gianmaria Collazuol,

  • Prof. Andrea Triossi,

  • Prof. Antonio Bergnoli

Repository organization:

  • The folder final_project.srcs contains the final files ready to be used in the computer connected to the FPGA.

  • The Jupyter Notebook contains all python code used for calibration and data analysis

  • The file Group5_MAPD_Project_Report.pdf is the final report

Abstract

The goal of this lab project is the implementation of a simple FIR-filter on a FPGA and its employment in an audio system obtained using a PMOD I2S2. Our task is to write down the VHDL source code that will be synthetized and implemented in the hardware.

The top entity implemented is shown in Fig. \ref{fig:top_scheme}. The filter block communicates with both the PC and the PMOD. Input data, digitized by the PMOD, are retrieved through a I2S receiver, filtered, and then sent back through a I2S transmitter; filtered data are also sent through a UART transmitter to the PC.

Figure 1: Scheme of communication between all the components of this project.