Implementation of FIR Digital Filter Algorithm in C Language on DSP Platform

This article provides a detailed overview of the process of implementing an FIR digital filter using the TI TMS320 series DSP platform with the C programming language. It covers topics such as the working principle of FIR filters, design methods, DSP development environment setup, C code implementation, simulation verification, and system testing. Through simulation verification, the frequency response characteristics of the FIR filter are confirmed, and the system testing results demonstrate that the FIR filter achieves effective signal filtering under appropriate conditions with accurate frequency response and high signal-to-noise ratio. This document comprehensively validates the excellent signal processing performance of FIR filters on the DSP platform, offering valuable insights for applications involving FIR filter design on DSP platforms.