83 lines
1.8 KiB
C++
83 lines
1.8 KiB
C++
#ifndef BLESENSORANDROID_H
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#define BLESENSORANDROID_H
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#ifdef ANDROID
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#include <QAndroidJniObject>
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#include "../../misc/Debug.h"
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#include "../BLESensor.h"
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#include <../misc/fixc11.h>
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#include <Indoor/misc/Debug.h>
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class BLESensorAndroid : public BLESensor {
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private:
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/** hidden ctor. use singleton! */
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BLESensorAndroid() {;}
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bool started = false;
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public:
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/** singleton access */
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static BLESensorAndroid& get() {
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static BLESensorAndroid beacon;
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return beacon;
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}
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void start() override {
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// do NOT start twice!
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if (started) {return;}
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started = true;
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// start scanning
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int res = QAndroidJniObject::callStaticMethod<int>("indoor/java/BLE", "start", "()I");
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if (res != 1337) {throw Exception("error while starting BLE");}
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}
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void stop() override {
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throw "todo";
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}
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bool isRunning() const override {
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return started;
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}
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/**
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* called from WiFi.java
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* handle the given incoming scan result
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* just a bit curious, thus std::string instead of std::string&
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*/
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void handle(const std::string data) {
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// tag all scan-entries with the current app runtime
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const Timestamp curTS = Timestamp::fromRunningTime();
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// parse each mac->rssi entry
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const std::string bssid = data.substr(0,17);
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const int8_t rssi = data[17];
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const int8_t pad1 = data[18];
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const int8_t pad2 = data[19];
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if (pad1 != 0 || pad2 != 0) {Debug::error("padding error within BLE scan result");}
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Log::add("BLE", bssid + "; " + std::to_string(static_cast<int>(rssi)));
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// call listeners
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informListeners(BeaconMeasurement(curTS, Beacon(bssid), rssi));
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}
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};
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#endif
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#endif // BLESENSORANDROID_H
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