From 8daddf87782c1228a44528da6f67d8dfce3edb40 Mon Sep 17 00:00:00 2001
From: mark9064 <30447455+mark9064@users.noreply.github.com>
Date: Wed, 18 Jun 2025 14:09:57 +0100
Subject: Background heartrate measurement

Co-Authored-By: Patric Gruber <me@patric-gruber.at>
---
 src/components/heartrate/Ppg.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/components/heartrate/Ppg.cpp')

diff --git a/src/components/heartrate/Ppg.cpp b/src/components/heartrate/Ppg.cpp
index efbed852..25be6237 100644
--- a/src/components/heartrate/Ppg.cpp
+++ b/src/components/heartrate/Ppg.cpp
@@ -155,8 +155,12 @@ int8_t Ppg::Preprocess(uint16_t hrs, uint16_t als) {
 
 int Ppg::HeartRate() {
   if (dataIndex < dataLength) {
+    if (!enoughData) {
+      return -2;
+    }
     return 0;
   }
+  enoughData = true;
   int hr = 0;
   hr = ProcessHeartRate(resetSpectralAvg);
   resetSpectralAvg = false;
@@ -171,6 +175,7 @@ int Ppg::HeartRate() {
 void Ppg::Reset(bool resetDaqBuffer) {
   if (resetDaqBuffer) {
     dataIndex = 0;
+    enoughData = false;
   }
   avgIndex = 0;
   dataAverage.fill(0.0f);
-- 
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