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fix major performance regression in ArduinoFFT

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since v2.0.0, we cannot override the internal sqrt function by #define --> moved to build_flags.

Average FFT time on esp32 : 4.5ms --> 1.8ms
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Frank 2024-10-22 14:42:48 +02:00
parent 0a97e28aab
commit 7db1989093
1 changed files with 2 additions and 1 deletions
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3
platformio.ini
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@ -259,7 +259,8 @@ lib_deps =
https://github.com/pbolduc/AsyncTCP.git @ 1.2.0
${env.lib_deps}
# additional build flags for audioreactive
AR_build_flags = -D USERMOD_AUDIOREACTIVE
AR_build_flags = -D USERMOD_AUDIOREACTIVE
-D sqrt_internal=sqrtf ;; -fsingle-precision-constant ;; forces ArduinoFFT to use float math (2x faster)
AR_lib_deps = kosme/arduinoFFT @ 2.0.1
[esp32_idf_V4]