ESPresense/lib/BleFingerprint/BleFingerprintCollection.cpp

70 lines
2.4 KiB
C++

#include "BleFingerprintCollection.h"
void BleFingerprintCollection::cleanupOldFingerprints()
{
auto now = millis();
if (now - lastCleanup < 5000) return;
lastCleanup = now;
auto it = fingerprints.begin();
while (it != fingerprints.end())
{
long age = (*it)->getAge();
if (age > forgetMs)
{
GUI::removed((*it));
delete *it;
it = fingerprints.erase(it);
}
else
{
++it;
}
}
}
BleFingerprint *BleFingerprintCollection::getFingerprintInternal(BLEAdvertisedDevice *advertisedDevice)
{
auto mac = advertisedDevice->getAddress();
auto it = std::find_if(fingerprints.begin(), fingerprints.end(), [mac](BleFingerprint *f)
{ return f->getAddress() == mac; });
if (it != fingerprints.end())
return *it;
auto created = new BleFingerprint(this, advertisedDevice, ONE_EURO_FCMIN, ONE_EURO_BETA, ONE_EURO_DCUTOFF);
auto it2 = std::find_if(fingerprints.begin(), fingerprints.end(), [created](BleFingerprint *f)
{ return f->getId() == created->getId(); });
if (it2 != fingerprints.end())
{
auto found = *it2;
created->setInitial(found->getRssi(), found->getDistance());
}
fingerprints.push_front(created);
return created;
}
BleFingerprint *BleFingerprintCollection::getFingerprint(BLEAdvertisedDevice *advertisedDevice)
{
if (xSemaphoreTake(fingerprintSemaphore, 1000) != pdTRUE)
log_e("Couldn't take semaphore!");
auto f = getFingerprintInternal(advertisedDevice);
if (xSemaphoreGive(fingerprintSemaphore) != pdTRUE)
log_e("Couldn't give semaphore!");
return f;
}
std::list<BleFingerprint *> BleFingerprintCollection::getCopy()
{
if (xSemaphoreTake(fingerprintSemaphore, 1000) != pdTRUE)
log_e("Couldn't take semaphore!");
cleanupOldFingerprints();
std::list<BleFingerprint *> copy(fingerprints);
if (xSemaphoreGive(fingerprintSemaphore) != pdTRUE)
log_e("Couldn't give semaphore!");
return copy;
}
String BleFingerprintCollection::include{}, BleFingerprintCollection::exclude{}, BleFingerprintCollection::query{};
float BleFingerprintCollection::skipDistance = 0.0f, BleFingerprintCollection::maxDistance = 0.0f, BleFingerprintCollection::absorption = 3.5f;
int BleFingerprintCollection::refRssi = 0, BleFingerprintCollection::forgetMs = 0, BleFingerprintCollection::skipMs = 0;