jLynx
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033c4e9a5b
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Formatted code (#1007)
* Updated style
* Updated files
* fixed new line
* Updated spacing
* File fix WIP
* Updated to clang 13
* updated comment style
* Removed old comment code
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2023-05-19 08:16:05 +12:00 |
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Bernd Herzog
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b4da86d491
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New app: Spectrum Painter (#988)
* added spectrum painter app
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2023-05-14 23:09:43 +02:00 |
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furrtek
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b813b32593
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Added an audio FFT view in Wideband FM receive
Tried speeding up fill_rectangle for clearing the waveform widget
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2018-05-21 18:46:48 +01:00 |
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Jared Boone
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dfbcf5bc75
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Extract some constexpr math utilities to utility.hpp
...my dumping ground for so many random bits.
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2016-02-10 10:15:42 -08:00 |
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Jared Boone
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5547782f5a
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Improve FFT twiddle factor precisions using Python SymPy.
Python math, numpy, scipy produce values with significant rounding errors.
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2016-01-03 21:02:44 -08:00 |
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Jared Boone
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963b6e257a
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FFT twiddles can be used for all K <= table length.
Change assert to allow FFTs < 8.
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2016-01-03 20:25:31 -08:00 |
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Jared Boone
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54e59cc224
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Hard-code K=8 FFT twiddle constants for now.
So low on baseband RAM! This eliminates the sin_f32() function and table, which is only used in the FFT, for the moment.
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2016-01-03 20:08:26 -08:00 |
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Jared Boone
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65dd385c94
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Little FFT loop indexing tweak.
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2016-01-03 17:47:08 -08:00 |
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Jared Boone
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b41ff962f4
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Replace std::sin() with interpolated LUT.
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2015-10-14 11:10:24 -07:00 |
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Jared Boone
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882fbbef31
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Add more fft_swap bit reversal functions.
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2015-10-14 11:10:24 -07:00 |
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Jared Boone
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dc6fee8370
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Initial firmware commit.
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2015-07-08 08:39:24 -07:00 |
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