From 7b85ba8d4fb34e76d34a2d581e89e856aa471cf5 Mon Sep 17 00:00:00 2001 From: jaseg Date: Mon, 21 Dec 2020 16:26:57 +0100 Subject: Move fw into direct subdir --- fw/hid-dials/tools/fft_window_header_gen.py | 59 ----------------------------- 1 file changed, 59 deletions(-) delete mode 100644 fw/hid-dials/tools/fft_window_header_gen.py (limited to 'fw/hid-dials/tools/fft_window_header_gen.py') diff --git a/fw/hid-dials/tools/fft_window_header_gen.py b/fw/hid-dials/tools/fft_window_header_gen.py deleted file mode 100644 index 7df2ee3..0000000 --- a/fw/hid-dials/tools/fft_window_header_gen.py +++ /dev/null @@ -1,59 +0,0 @@ -#!/usr/bin/env python3 - -import textwrap - -import scipy.signal as sig -import numpy as np - -WINDOW_TYPES = [ - 'boxcar', - 'triang', - 'blackman', - 'hamming', - 'hann', - 'bartlett', - 'flattop', - 'parzen', - 'bohman', - 'blackmanharris', - 'nuttall', - 'barthann', - 'kaiser', - 'gaussian', - 'general_gaussian', - 'slepian', - 'dpss', - 'chebwin', - 'exponential', - 'tukey', - ] - -if __name__ == '__main__': - import argparse - parser = argparse.ArgumentParser() - parser.add_argument('window', choices=WINDOW_TYPES, help='Type of window function to use') - parser.add_argument('n', type=int, help='Width of window in samples') - parser.add_argument('window_args', nargs='*', type=float, - help='''Window argument(s) if required. See https://docs.scipy.org/doc/scipy/reference/generated/scipy.signal.get_window.html#scipy.signal.get_window for details.''') - parser.add_argument('-v', '--variable', default='fft_window_table', help='Name for alias variable pointing to generated window') - args = parser.parse_args() - - print(f'/* FTT window table for {args.n} sample {args.window} window.') - if args.window_args: - print(f' * Window arguments were: ({" ,".join(str(arg) for arg in args.window_args)})') - print(f' */') - winargs = ''.join(f'_{arg:.4g}'.replace('.', 'F') for arg in args.window_args) - varname = f'fft_{args.n}_window_{args.window}{winargs}' - print(f'const float {varname}[{args.n}] = {{') - - win = sig.get_window(args.window if not args.window_args else (args.window, *args.window_args), - Nx=args.n, fftbins=True) - par = ' '.join(f'{f:>013.8g},' for f in win) - print(textwrap.fill(par, - initial_indent=' '*4, subsequent_indent=' '*4, - width=120, - replace_whitespace=False, drop_whitespace=False)) - print('};') - print() - print(f'const float * const {args.variable} __attribute__((weak)) = {varname};') - -- cgit