93 lines
3.1 KiB
C++
93 lines
3.1 KiB
C++
#include "nimble_tracker.h"
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#include "esphome/core/log.h"
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#include "esphome/core/hal.h"
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// using namespace esphome;
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namespace esphome
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{
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namespace nimble_tracker
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{
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static const char *const TAG = "nimble_tracker";
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class MyAdvertisedDeviceCallbacks : public BLEAdvertisedDeviceCallbacks
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{
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public:
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MyAdvertisedDeviceCallbacks(NimbleTracker *nimble_tracker)
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{
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nimble_tracker_ = nimble_tracker;
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}
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void onResult(BLEAdvertisedDevice *advertised_device)
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{
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// Because setMaxResults is set to 0 for the NimBLEScan, we need to make a copy
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// of the data of the advertised device, because this is deleted immediately by NimBLESCan
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// after this callback is called.
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auto *tracker_event = new NimbleTrackerEvent(
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advertised_device->getAddress(),
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advertised_device->getAddressType(),
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advertised_device->getRSSI(),
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advertised_device->getTXPower());
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nimble_tracker_->tracker_events_.push(tracker_event);
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}
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protected:
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NimbleTracker *nimble_tracker_;
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};
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void NimbleTracker::setup()
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{
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// Set the name to empty string to not broadcast the name
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NimBLEDevice::init("");
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this->pBLEScan_ = NimBLEDevice::getScan();
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this->pBLEScan_->setInterval(this->scan_interval_);
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this->pBLEScan_->setWindow(this->scan_window_);
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this->pBLEScan_->setAdvertisedDeviceCallbacks(new MyAdvertisedDeviceCallbacks(this), true);
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this->pBLEScan_->setActiveScan(this->scan_active_);
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this->pBLEScan_->setDuplicateFilter(false);
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this->pBLEScan_->setMaxResults(0);
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ESP_LOGV(TAG, "Trying to start the scan");
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if (!pBLEScan_->start(0, nullptr, false))
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{
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ESP_LOGE(TAG, "Error starting continuous ble scan");
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// this->mark_failed();
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return;
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}
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// TODO: It takes some time to setup bluetooth? Why not just move this to loop?
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esphome::delay(200);
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}
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void NimbleTracker::loop()
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{
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if (!this->pBLEScan_->isScanning())
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{
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if (!this->pBLEScan_->start(0, nullptr, false))
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{
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ESP_LOGE(TAG, "Error starting continuous ble scan");
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return;
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}
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// TODO: we shouldn't block the main thread here, instead work with a setTimeout callback?
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esphome::delay(200);
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}
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NimbleTrackerEvent *tracker_event = this->tracker_events_.pop();
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while (tracker_event != nullptr)
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{
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for (NimbleDeviceListener *listener : this->listeners_)
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{
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listener->parse_event(tracker_event);
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}
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delete tracker_event;
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tracker_event = this->tracker_events_.pop();
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}
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};
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} // namespace esp32_ble_tracker
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} // namespace esphome
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