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#include "heartratetask/HeartRateTask.h"
#include <drivers/Hrs3300.h>
#include <components/heartrate/HeartRateController.h>
#include <nrf_log.h>
using namespace Pinetime::Applications;
HeartRateTask::HeartRateTask(Drivers::Hrs3300& heartRateSensor, Controllers::HeartRateController& controller)
: heartRateSensor {heartRateSensor}, controller {controller}, ppg{} {
}
void HeartRateTask::Start() {
messageQueue = xQueueCreate(10, 1);
controller.SetHeartRateTask(this);
if (pdPASS != xTaskCreate(HeartRateTask::Process, "Heartrate", 500, this, 0, &taskHandle))
APP_ERROR_HANDLER(NRF_ERROR_NO_MEM);
}
void HeartRateTask::Process(void* instance) {
auto* app = static_cast<HeartRateTask*>(instance);
app->Work();
}
void HeartRateTask::Work() {
int lastBpm = 0;
while (true) {
Messages msg;
uint32_t delay;
if (state == States::Running) {
if (measurementStarted)
delay = 40;
else
delay = 100;
} else
delay = portMAX_DELAY;
if (xQueueReceive(messageQueue, &msg, delay)) {
switch (msg) {
case Messages::GoToSleep:
StopMeasurement();
state = States::Idle;
break;
case Messages::WakeUp:
state = States::Running;
if (measurementStarted) {
lastBpm = 0;
StartMeasurement();
}
break;
case Messages::StartMeasurement:
if (measurementStarted)
break;
lastBpm = 0;
StartMeasurement();
measurementStarted = true;
break;
case Messages::StopMeasurement:
if (!measurementStarted)
break;
StopMeasurement();
measurementStarted = false;
break;
}
}
if (measurementStarted) {
ppg.Preprocess(static_cast<float>(heartRateSensor.ReadHrs()));
auto bpm = ppg.HeartRate();
if (lastBpm == 0 && bpm == 0)
controller.Update(Controllers::HeartRateController::States::NotEnoughData, 0);
if (bpm != 0) {
lastBpm = bpm;
controller.Update(Controllers::HeartRateController::States::Running, lastBpm);
}
}
}
}
void HeartRateTask::PushMessage(HeartRateTask::Messages msg) {
BaseType_t xHigherPriorityTaskWoken;
xHigherPriorityTaskWoken = pdFALSE;
xQueueSendFromISR(messageQueue, &msg, &xHigherPriorityTaskWoken);
if (xHigherPriorityTaskWoken) {
/* Actual macro used here is port specific. */
// TODO : should I do something here?
}
}
void HeartRateTask::StartMeasurement() {
heartRateSensor.Enable();
vTaskDelay(100);
ppg.SetOffset(static_cast<float>(heartRateSensor.ReadHrs()));
}
void HeartRateTask::StopMeasurement() {
heartRateSensor.Disable();
vTaskDelay(100);
}
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