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/heartratetask/HeartRateTask.h | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

(limited to 'src/heartratetask/HeartRateTask.h')

diff --git a/src/heartratetask/HeartRateTask.h b/src/heartratetask/HeartRateTask.h
index 5bbfb9fb..9478d0d4 100644
--- a/src/heartratetask/HeartRateTask.h
+++ b/src/heartratetask/HeartRateTask.h
@@ -1,8 +1,11 @@
 #pragma once
 #include <FreeRTOS.h>
+#include <cstdint>
+#include <optional>
 #include <task.h>
 #include <queue.h>
 #include <components/heartrate/Ppg.h>
+#include "components/settings/Settings.h"
 
 namespace Pinetime {
   namespace Drivers {
@@ -16,26 +19,37 @@ namespace Pinetime {
   namespace Applications {
     class HeartRateTask {
     public:
-      enum class Messages : uint8_t { GoToSleep, WakeUp, StartMeasurement, StopMeasurement };
-      enum class States { Idle, Running };
+      enum class Messages : uint8_t { GoToSleep, WakeUp, Enable, Disable };
 
-      explicit HeartRateTask(Drivers::Hrs3300& heartRateSensor, Controllers::HeartRateController& controller);
+      explicit HeartRateTask(Drivers::Hrs3300& heartRateSensor,
+                             Controllers::HeartRateController& controller,
+                             Controllers::Settings& settings);
       void Start();
       void Work();
       void PushMessage(Messages msg);
 
     private:
+      enum class States : uint8_t { Disabled, Waiting, BackgroundMeasuring, ForegroundMeasuring };
       static void Process(void* instance);
+      void HandleSensorData();
       void StartMeasurement();
       void StopMeasurement();
 
+      [[nodiscard]] bool BackgroundMeasurementNeeded() const;
+      [[nodiscard]] std::optional<TickType_t> BackgroundMeasurementInterval() const;
+      [[nodiscard]] TickType_t CurrentTaskDelay() const;
+
       TaskHandle_t taskHandle;
       QueueHandle_t messageQueue;
-      States state = States::Running;
+      bool valueCurrentlyShown;
+      bool measurementSucceeded;
+      States state = States::Disabled;
       Drivers::Hrs3300& heartRateSensor;
       Controllers::HeartRateController& controller;
+      Controllers::Settings& settings;
       Controllers::Ppg ppg;
-      bool measurementStarted = false;
+      TickType_t lastMeasurementTime;
+      TickType_t measurementStartTime;
     };
 
   }
-- 
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