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Diffstat (limited to 'src/components/heartrate/Ptagc.cpp')
-rw-r--r-- | src/components/heartrate/Ptagc.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/components/heartrate/Ptagc.cpp b/src/components/heartrate/Ptagc.cpp index 9302af97..dd7c4411 100644 --- a/src/components/heartrate/Ptagc.cpp +++ b/src/components/heartrate/Ptagc.cpp @@ -1,8 +1,15 @@ +/* + SPDX-License-Identifier: LGPL-3.0-or-later + Original work Copyright (C) 2020 Daniel Thompson + C++ port Copyright (C) 2021 Jean-François Milants +*/ + #include <cmath> #include "Ptagc.h" using namespace Pinetime::Controllers; +/** Original implementation from wasp-os : https://github.com/daniel-thompson/wasp-os/blob/master/wasp/ppg.py */ Ptagc::Ptagc(float start, float decay, float threshold) : peak{start}, decay{decay}, boost{1.0f/decay}, threshold{threshold} { } |