Chapter 22

Using the ARM® CMSIS-DSP Library

Abstract

This chapter introduce the CMSIS-DSP library and gives examples (DTMF, Least Square motion tracking) of using CMSIS-DSP in application programming.

Keywords

CMSIS-DSP; application; Dual Tone Multiple Frequency; Least Square

Chapter Outline

22.1 Overview of the library

22.2 Pre-built binaries

22.3 Function naming convention

22.4 Getting help

22.5 Example 1 – DTMF demodulation

22.5.1 Generating the sine wave

22.5.2 Decoding using an FIR filter

22.5.3 Decoding using an FFT

22.5.4 Decoding using a Biquad filter

22.5.5 Example DTMF code

22.6 Example 2 – least squares motion tracking

22.6.1 Example least squares code

22.1 Overview of the library

The CMSIS-DSP library is a suite of common signal processing ...

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