V2.0.0 completed version

Optimized code and documentation

• add a new line after the final line for some docs to be used to adapt to the linux compilation environment
• code document final adjust
• Modified the issue of adding static webpage code to git code statistics
• restructure the file system to help user understand easily

V1.0.2 function and document completed

This is the last release in version 1.0. All basic functions are in place, most of the documentation is complete

• refine the unit test
• refine the UI
• Adjust the data format of the input and output of the FFT
• create a Wiki and finish most of it
• generate the code documentation
• create an introduction video
• restructure the readme file of this project

V1.0.1 function completed

finish all functions of the project, and the program can run success;

• finish all unit test
• create a code document structure (using doxygen)
• UI adjust
• fix some bugs and refine the project

V1.0.0 Basic function and ruannable

• I2S connected to the audio sensor
• Using FFTW to process original audio data to get spectrum
• Use IIR to construct a low-pass filter to exclude the influence of high-frequency harmonics on the detection results
• QT to show the UI
• add unit test for the project