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diff --git a/sensor/patchedBLE/src/BLEScan.h b/sensor/patchedBLE/src/BLEScan.h
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+++ b/sensor/patchedBLE/src/BLEScan.h
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+/*
+ * BLEScan.h
+ *
+ *  Created on: Jul 1, 2017
+ *      Author: kolban
+ */
+
+#ifndef COMPONENTS_CPP_UTILS_BLESCAN_H_
+#define COMPONENTS_CPP_UTILS_BLESCAN_H_
+#include "sdkconfig.h"
+#if defined(CONFIG_BT_ENABLED)
+#include <esp_gap_ble_api.h>
+
+#include <vector>
+#include "BLEAdvertisedDevice.h"
+#include "BLEClient.h"
+#include "FreeRTOS.h"
+
+class BLEAdvertisedDevice;
+class BLEAdvertisedDeviceCallbacks;
+class BLEClient;
+class BLEScan;
+
+
+/**
+ * @brief The result of having performed a scan.
+ * When a scan completes, we have a set of found devices.  Each device is described
+ * by a BLEAdvertisedDevice object.  The number of items in the set is given by
+ * getCount().  We can retrieve a device by calling getDevice() passing in the
+ * index (starting at 0) of the desired device.
+ */
+class BLEScanResults {
+public:
+	void                dump();
+	int                 getCount();
+	BLEAdvertisedDevice getDevice(uint32_t i);
+
+private:
+	friend BLEScan;
+	std::vector<BLEAdvertisedDevice> m_vectorAdvertisedDevices;
+};
+
+/**
+ * @brief Perform and manage %BLE scans.
+ *
+ * Scanning is associated with a %BLE client that is attempting to locate BLE servers.
+ */
+class BLEScan {
+public:
+	void           setActiveScan(bool active);
+	void           setAdvertisedDeviceCallbacks(
+			              BLEAdvertisedDeviceCallbacks* pAdvertisedDeviceCallbacks,
+										bool wantDuplicates = false);
+	void           setInterval(uint16_t intervalMSecs);
+	void           setWindow(uint16_t windowMSecs);
+	bool           start(uint32_t duration, void (*scanCompleteCB)(BLEScanResults));
+	BLEScanResults start(uint32_t duration);
+	void           stop();
+
+private:
+	BLEScan();   // One doesn't create a new instance instead one asks the BLEDevice for the singleton.
+	friend class BLEDevice;
+	void         handleGAPEvent(
+		esp_gap_ble_cb_event_t  event,
+		esp_ble_gap_cb_param_t* param);
+	void parseAdvertisement(BLEClient* pRemoteDevice, uint8_t *payload);
+
+
+	esp_ble_scan_params_t         m_scan_params;
+	BLEAdvertisedDeviceCallbacks* m_pAdvertisedDeviceCallbacks;
+	bool                          m_stopped;
+	FreeRTOS::Semaphore           m_semaphoreScanEnd = FreeRTOS::Semaphore("ScanEnd");
+	BLEScanResults                m_scanResults;
+	bool                          m_wantDuplicates;
+	void                        (*m_scanCompleteCB)(BLEScanResults scanResults);
+}; // BLEScan
+
+#endif /* CONFIG_BT_ENABLED */
+#endif /* COMPONENTS_CPP_UTILS_BLESCAN_H_ */