kopia lustrzana https://github.com/kosme/arduinoFFT
33 wiersze
1.3 KiB
Plaintext
33 wiersze
1.3 KiB
Plaintext
02/19/20 v1.9.0
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Remove deprecated API. Consistent renaming of functions to lowercase.
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Make template to be able to use float or double type (float brings a ~70% speed increase on ESP32).
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Add option to provide cache for window function weighing factors (~50% speed increase on ESP32).
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Add some #defines to enable math approximisations to further speed up code (~50% speed increase on ESP32).
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01/27/20 v1.5.5
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Lookup table for constants c1 and c2 used during FFT comupting. This increases the FFT computing speed in around 5%.
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02/10/18 v1.4
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Transition version. Minor optimization to functions. New API. Deprecation of old functions.
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12/06/18 v1.3
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Add support for mbed development boards.
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09/04/17 v1.2.3
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Finally solves the issue of Arduino IDE not correctly detecting and highlighting the keywords.
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09/03/17 v1.2.2
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Solves a format issue in keywords.txt that prevented keywords from being detected.
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08/28/17 v1.2.1
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Fix to issues 6 and 7. Not cleaning the imaginary vector after each cycle leaded to erroneous calculations and could cause buffer overflows.
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08/04/17 v1.2
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Fix to bug preventing the number of samples to be greater than 128. New logical limit is 32768 samples but it is bound to the RAM on the chip.
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05/12/17 v1.1
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Fix issue that prevented installation through the Arduino Library Manager interface.
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05/11/17 v1.0
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Initial commit to Arduino Library Manager.
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