/*
 * BLEUtils.cpp
 *
 *  Created on: Mar 25, 2017
 *      Author: kolban
 */
#include "sdkconfig.h"
#if defined(CONFIG_BT_ENABLED)
#include "BLEAddress.h"
#include "BLEClient.h"
#include "BLEUtils.h"
#include "BLEUUID.h"
#include "GeneralUtils.h"

#include <freertos/FreeRTOS.h>
#include <freertos/event_groups.h>
#include <bt.h>              // ESP32 BLE
#include <esp_bt_main.h>     // ESP32 BLE
#include <esp_gap_ble_api.h> // ESP32 BLE
#include <esp_gattc_api.h>   // ESP32 BLE
#include <esp_err.h>         // ESP32 ESP-IDF
#include <esp_log.h>         // ESP32 ESP-IDF
#include <map>               // Part of C++ STL
#include <sstream>
#include <iomanip>

#ifdef ARDUINO_ARCH_ESP32
#include "esp32-hal-log.h"
#endif

static const char* LOG_TAG = "BLEUtils";  // Tag for logging.

/*
static std::map<std::string, BLEClient *> g_addressMap;
static std::map<uint16_t, BLEClient *> g_connIdMap;
*/

typedef struct {
	uint32_t    assignedNumber;
	const char* name;
} member_t;

static const member_t members_ids[] = {
	{0xFE08, "Microsoft"},
	{0xFE09, "Pillsy, Inc."},
	{0xFE0A, "ruwido austria gmbh"},
	{0xFE0B, "ruwido austria gmbh"},
	{0xFE0C, "Procter & Gamble"},
	{0xFE0D, "Procter & Gamble"},
	{0xFE0E, "Setec Pty Ltd"},
	{0xFE0F, "Philips Lighting B.V."},
	{0xFE10, "Lapis Semiconductor Co., Ltd."},
	{0xFE11, "GMC-I Messtechnik GmbH"},
	{0xFE12, "M-Way Solutions GmbH"},
	{0xFE13, "Apple Inc."},
	{0xFE14, "Flextronics International USA Inc."},
	{0xFE15, "Amazon Fulfillment Services, Inc."},
	{0xFE16, "Footmarks, Inc."},
	{0xFE17, "Telit Wireless Solutions GmbH"},
	{0xFE18, "Runtime, Inc."},
	{0xFE19, "Google Inc."},
	{0xFE1A, "Tyto Life LLC"},
	{0xFE1B, "Tyto Life LLC"},
	{0xFE1C, "NetMedia, Inc."},
	{0xFE1D, "Illuminati Instrument Corporation"},
	{0xFE1E, "Smart Innovations Co., Ltd"},
	{0xFE1F, "Garmin International, Inc."},
	{0xFE20, "Emerson"},
	{0xFE21, "Bose Corporation"},
	{0xFE22, "Zoll Medical Corporation"},
	{0xFE23, "Zoll Medical Corporation"},
	{0xFE24, "August Home Inc"},
	{0xFE25, "Apple, Inc. "},
	{0xFE26, "Google Inc."},
	{0xFE27, "Google Inc."},
	{0xFE28, "Ayla Networks"},
	{0xFE29, "Gibson Innovations"},
	{0xFE2A, "DaisyWorks, Inc."},
	{0xFE2B, "ITT Industries"},
	{0xFE2C, "Google Inc."},
	{0xFE2D, "SMART INNOVATION Co.,Ltd"},
	{0xFE2E, "ERi,Inc."},
	{0xFE2F, "CRESCO Wireless, Inc"},
	{0xFE30, "Volkswagen AG"},
	{0xFE31, "Volkswagen AG"},
	{0xFE32, "Pro-Mark, Inc."},
	{0xFE33, "CHIPOLO d.o.o."},
	{0xFE34, "SmallLoop LLC"},
	{0xFE35, "HUAWEI Technologies Co., Ltd"},
	{0xFE36, "HUAWEI Technologies Co., Ltd"},
	{0xFE37, "Spaceek LTD"},
	{0xFE38, "Spaceek LTD"},
	{0xFE39, "TTS Tooltechnic Systems AG & Co. KG"},
	{0xFE3A, "TTS Tooltechnic Systems AG & Co. KG"},
	{0xFE3B, "Dolby Laboratories"},
	{0xFE3C, "Alibaba"},
	{0xFE3D, "BD Medical"},
	{0xFE3E, "BD Medical"},
	{0xFE3F, "Friday Labs Limited"},
	{0xFE40, "Inugo Systems Limited"},
	{0xFE41, "Inugo Systems Limited"},
	{0xFE42, "Nets A/S "},
	{0xFE43, "Andreas Stihl AG & Co. KG"},
	{0xFE44, "SK Telecom "},
	{0xFE45, "Snapchat Inc"},
	{0xFE46, "B&O Play A/S "},
	{0xFE47, "General Motors"},
	{0xFE48, "General Motors"},
	{0xFE49, "SenionLab AB"},
	{0xFE4A, "OMRON HEALTHCARE Co., Ltd."},
	{0xFE4B, "Philips Lighting B.V."},
	{0xFE4C, "Volkswagen AG"},
	{0xFE4D, "Casambi Technologies Oy"},
	{0xFE4E, "NTT docomo"},
	{0xFE4F, "Molekule, Inc."},
	{0xFE50, "Google Inc."},
	{0xFE51, "SRAM"},
	{0xFE52, "SetPoint Medical"},
	{0xFE53, "3M"},
	{0xFE54, "Motiv, Inc."},
	{0xFE55, "Google Inc."},
	{0xFE56, "Google Inc."},
	{0xFE57, "Dotted Labs"},
	{0xFE58, "Nordic Semiconductor ASA"},
	{0xFE59, "Nordic Semiconductor ASA"},
	{0xFE5A, "Chronologics Corporation"},
	{0xFE5B, "GT-tronics HK Ltd"},
	{0xFE5C, "million hunters GmbH"},
	{0xFE5D, "Grundfos A/S"},
	{0xFE5E, "Plastc Corporation"},
	{0xFE5F, "Eyefi, Inc."},
	{0xFE60, "Lierda Science & Technology Group Co., Ltd."},
	{0xFE61, "Logitech International SA"},
	{0xFE62, "Indagem Tech LLC"},
	{0xFE63, "Connected Yard, Inc."},
	{0xFE64, "Siemens AG"},
	{0xFE65, "CHIPOLO d.o.o."},
	{0xFE66, "Intel Corporation"},
	{0xFE67, "Lab Sensor Solutions"},
	{0xFE68, "Qualcomm Life Inc"},
	{0xFE69, "Qualcomm Life Inc"},
	{0xFE6A, "Kontakt Micro-Location Sp. z o.o."},
	{0xFE6B, "TASER International, Inc."},
	{0xFE6C, "TASER International, Inc."},
	{0xFE6D, "The University of Tokyo"},
	{0xFE6E, "The University of Tokyo"},
	{0xFE6F, "LINE Corporation"},
	{0xFE70, "Beijing Jingdong Century Trading Co., Ltd."},
	{0xFE71, "Plume Design Inc"},
	{0xFE72, "St. Jude Medical, Inc."},
	{0xFE73, "St. Jude Medical, Inc."},
	{0xFE74, "unwire"},
	{0xFE75, "TangoMe"},
	{0xFE76, "TangoMe"},
	{0xFE77, "Hewlett-Packard Company"},
	{0xFE78, "Hewlett-Packard Company"},
	{0xFE79, "Zebra Technologies"},
	{0xFE7A, "Bragi GmbH"},
	{0xFE7B, "Orion Labs, Inc."},
	{0xFE7C, "Telit Wireless Solutions (Formerly Stollmann E+V GmbH)"},
	{0xFE7D, "Aterica Health Inc."},
	{0xFE7E, "Awear Solutions Ltd"},
	{0xFE7F, "Doppler Lab"},
	{0xFE80, "Doppler Lab"},
	{0xFE81, "Medtronic Inc."},
	{0xFE82, "Medtronic Inc."},
	{0xFE83, "Blue Bite"},
	{0xFE84, "RF Digital Corp"},
	{0xFE85, "RF Digital Corp"},
	{0xFE86, "HUAWEI Technologies Co., Ltd. ( )"},
	{0xFE87, "Qingdao Yeelink Information Technology Co., Ltd. ( )"},
	{0xFE88, "SALTO SYSTEMS S.L."},
	{0xFE89, "B&O Play A/S"},
	{0xFE8A, "Apple, Inc."},
	{0xFE8B, "Apple, Inc."},
	{0xFE8C, "TRON Forum"},
	{0xFE8D, "Interaxon Inc."},
	{0xFE8E, "ARM Ltd"},
	{0xFE8F, "CSR"},
	{0xFE90, "JUMA"},
	{0xFE91, "Shanghai Imilab Technology Co.,Ltd"},
	{0xFE92, "Jarden Safety & Security"},
	{0xFE93, "OttoQ Inc."},
	{0xFE94, "OttoQ Inc."},
	{0xFE95, "Xiaomi Inc."},
	{0xFE96, "Tesla Motor Inc."},
	{0xFE97, "Tesla Motor Inc."},
	{0xFE98, "Currant, Inc."},
	{0xFE99, "Currant, Inc."},
	{0xFE9A, "Estimote"},
	{0xFE9B, "Samsara Networks, Inc"},
	{0xFE9C, "GSI Laboratories, Inc."},
	{0xFE9D, "Mobiquity Networks Inc"},
	{0xFE9E, "Dialog Semiconductor B.V."},
	{0xFE9F, "Google Inc."},
	{0xFEA0, "Google Inc."},
	{0xFEA1, "Intrepid Control Systems, Inc."},
	{0xFEA2, "Intrepid Control Systems, Inc."},
	{0xFEA3, "ITT Industries"},
	{0xFEA4, "Paxton Access Ltd"},
	{0xFEA5, "GoPro, Inc."},
	{0xFEA6, "GoPro, Inc."},
	{0xFEA7, "UTC Fire and Security"},
	{0xFEA8, "Savant Systems LLC"},
	{0xFEA9, "Savant Systems LLC"},
	{0xFEAA, "Google Inc."},
	{0xFEAB, "Nokia Corporation"},
	{0xFEAC, "Nokia Corporation"},
	{0xFEAD, "Nokia Corporation"},
	{0xFEAE, "Nokia Corporation"},
	{0xFEAF, "Nest Labs Inc."},
	{0xFEB0, "Nest Labs Inc."},
	{0xFEB1, "Electronics Tomorrow Limited"},
	{0xFEB2, "Microsoft Corporation"},
	{0xFEB3, "Taobao"},
	{0xFEB4, "WiSilica Inc."},
	{0xFEB5, "WiSilica Inc."},
	{0xFEB6, "Vencer Co, Ltd"},
	{0xFEB7, "Facebook, Inc."},
	{0xFEB8, "Facebook, Inc."},
	{0xFEB9, "LG Electronics"},
	{0xFEBA, "Tencent Holdings Limited"},
	{0xFEBB, "adafruit industries"},
	{0xFEBC, "Dexcom, Inc. "},
	{0xFEBD, "Clover Network, Inc."},
	{0xFEBE, "Bose Corporation"},
	{0xFEBF, "Nod, Inc."},
	{0xFEC0, "KDDI Corporation"},
	{0xFEC1, "KDDI Corporation"},
	{0xFEC2, "Blue Spark Technologies, Inc."},
	{0xFEC3, "360fly, Inc."},
	{0xFEC4, "PLUS Location Systems"},
	{0xFEC5, "Realtek Semiconductor Corp."},
	{0xFEC6, "Kocomojo, LLC"},
	{0xFEC7, "Apple, Inc."},
	{0xFEC8, "Apple, Inc."},
	{0xFEC9, "Apple, Inc."},
	{0xFECA, "Apple, Inc."},
	{0xFECB, "Apple, Inc."},
	{0xFECC, "Apple, Inc."},
	{0xFECD, "Apple, Inc."},
	{0xFECE, "Apple, Inc."},
	{0xFECF, "Apple, Inc."},
	{0xFED0, "Apple, Inc."},
	{0xFED1, "Apple, Inc."},
	{0xFED2, "Apple, Inc."},
	{0xFED3, "Apple, Inc."},
	{0xFED4, "Apple, Inc."},
	{0xFED5, "Plantronics Inc."},
	{0xFED6, "Broadcom Corporation"},
	{0xFED7, "Broadcom Corporation"},
	{0xFED8, "Google Inc."},
	{0xFED9, "Pebble Technology Corporation"},
	{0xFEDA, "ISSC Technologies Corporation"},
	{0xFEDB, "Perka, Inc."},
	{0xFEDC, "Jawbone"},
	{0xFEDD, "Jawbone"},
	{0xFEDE, "Coin, Inc."},
	{0xFEDF, "Design SHIFT"},
	{0xFEE0, "Anhui Huami Information Technology Co."},
	{0xFEE1, "Anhui Huami Information Technology Co."},
	{0xFEE2, "Anki, Inc."},
	{0xFEE3, "Anki, Inc."},
	{0xFEE4, "Nordic Semiconductor ASA"},
	{0xFEE5, "Nordic Semiconductor ASA"},
	{0xFEE6, "Silvair, Inc."},
	{0xFEE7, "Tencent Holdings Limited"},
	{0xFEE8, "Quintic Corp."},
	{0xFEE9, "Quintic Corp."},
	{0xFEEA, "Swirl Networks, Inc."},
	{0xFEEB, "Swirl Networks, Inc."},
	{0xFEEC, "Tile, Inc."},
	{0xFEED, "Tile, Inc."},
	{0xFEEE, "Polar Electro Oy"},
	{0xFEEF, "Polar Electro Oy"},
	{0xFEF0, "Intel"},
	{0xFEF1, "CSR"},
	{0xFEF2, "CSR"},
	{0xFEF3, "Google Inc."},
	{0xFEF4, "Google Inc."},
	{0xFEF5, "Dialog Semiconductor GmbH"},
	{0xFEF6, "Wicentric, Inc."},
	{0xFEF7, "Aplix Corporation"},
	{0xFEF8, "Aplix Corporation"},
	{0xFEF9, "PayPal, Inc."},
	{0xFEFA, "PayPal, Inc."},
	{0xFEFB, "Telit Wireless Solutions (Formerly Stollmann E+V GmbH)"},
	{0xFEFC, "Gimbal, Inc."},
	{0xFEFD, "Gimbal, Inc."},
	{0xFEFE, "GN ReSound A/S"},
	{0xFEFF, "GN Netcom"},
	{0xFFFF, "Reserved"}, /*for testing purposes only*/
	{0, "" }
};

typedef struct {
	uint32_t    assignedNumber;
	const char* name;
} gattdescriptor_t;

static const gattdescriptor_t g_descriptor_ids[] = {
		{0x2905,"Characteristic Aggregate Format"},
		{0x2900,"Characteristic Extended Properties"},
		{0x2904,"Characteristic Presentation Format"},
		{0x2901,"Characteristic User Description"},
		{0x2902,"Client Characteristic Configuration"},
		{0x290B,"Environmental Sensing Configuration"},
		{0x290C,"Environmental Sensing Measurement"},
		{0x290D,"Environmental Sensing Trigger Setting"},
		{0x2907,"External Report Reference"},
		{0x2909,"Number of Digitals"},
		{0x2908,"Report Reference"},
		{0x2903,"Server Characteristic Configuration"},
		{0x290E,"Time Trigger Setting"},
		{0x2906,"Valid Range"},
		{0x290A,"Value Trigger Setting"},
		{ 0, "" }
};

typedef struct {
	uint32_t    assignedNumber;
	const char* name;
} characteristicMap_t;

static const characteristicMap_t g_characteristicsMappings[] = {
		{0x2A7E,"Aerobic Heart Rate Lower Limit"},
		{0x2A84,"Aerobic Heart Rate Upper Limit"},
		{0x2A7F,"Aerobic Threshold"},
		{0x2A80,"Age"},
		{0x2A5A,"Aggregate"},
		{0x2A43,"Alert Category ID"},
		{0x2A42,"Alert Category ID Bit Mask"},
		{0x2A06,"Alert Level"},
		{0x2A44,"Alert Notification Control Point"},
		{0x2A3F,"Alert Status"},
		{0x2AB3,"Altitude"},
		{0x2A81,"Anaerobic Heart Rate Lower Limit"},
		{0x2A82,"Anaerobic Heart Rate Upper Limit"},
		{0x2A83,"Anaerobic Threshold"},
		{0x2A58,"Analog"},
		{0x2A59,"Analog Output"},
		{0x2A73,"Apparent Wind Direction"},
		{0x2A72,"Apparent Wind Speed"},
		{0x2A01,"Appearance"},
		{0x2AA3,"Barometric Pressure Trend"},
		{0x2A19,"Battery Level"},
		{0x2A1B,"Battery Level State"},
		{0x2A1A,"Battery Power State"},
		{0x2A49,"Blood Pressure Feature"},
		{0x2A35,"Blood Pressure Measurement"},
		{0x2A9B,"Body Composition Feature"},
		{0x2A9C,"Body Composition Measurement"},
		{0x2A38,"Body Sensor Location"},
		{0x2AA4,"Bond Management Control Point"},
		{0x2AA5,"Bond Management Features"},
		{0x2A22,"Boot Keyboard Input Report"},
		{0x2A32,"Boot Keyboard Output Report"},
		{0x2A33,"Boot Mouse Input Report"},
		{0x2AA6,"Central Address Resolution"},
		{0x2AA8,"CGM Feature"},
		{0x2AA7,"CGM Measurement"},
		{0x2AAB,"CGM Session Run Time"},
		{0x2AAA,"CGM Session Start Time"},
		{0x2AAC,"CGM Specific Ops Control Point"},
		{0x2AA9,"CGM Status"},
		{0x2ACE,"Cross Trainer Data"},
		{0x2A5C,"CSC Feature"},
		{0x2A5B,"CSC Measurement"},
		{0x2A2B,"Current Time"},
		{0x2A66,"Cycling Power Control Point"},
		{0x2A66,"Cycling Power Control Point"},
		{0x2A65,"Cycling Power Feature"},
		{0x2A65,"Cycling Power Feature"},
		{0x2A63,"Cycling Power Measurement"},
		{0x2A64,"Cycling Power Vector"},
		{0x2A99,"Database Change Increment"},
		{0x2A85,"Date of Birth"},
		{0x2A86,"Date of Threshold Assessment"},
		{0x2A08,"Date Time"},
		{0x2A0A,"Day Date Time"},
		{0x2A09,"Day of Week"},
		{0x2A7D,"Descriptor Value Changed"},
		{0x2A00,"Device Name"},
		{0x2A7B,"Dew Point"},
		{0x2A56,"Digital"},
		{0x2A57,"Digital Output"},
		{0x2A0D,"DST Offset"},
		{0x2A6C,"Elevation"},
		{0x2A87,"Email Address"},
		{0x2A0B,"Exact Time 100"},
		{0x2A0C,"Exact Time 256"},
		{0x2A88,"Fat Burn Heart Rate Lower Limit"},
		{0x2A89,"Fat Burn Heart Rate Upper Limit"},
		{0x2A26,"Firmware Revision String"},
		{0x2A8A,"First Name"},
		{0x2AD9,"Fitness Machine Control Point"},
		{0x2ACC,"Fitness Machine Feature"},
		{0x2ADA,"Fitness Machine Status"},
		{0x2A8B,"Five Zone Heart Rate Limits"},
		{0x2AB2,"Floor Number"},
		{0x2A8C,"Gender"},
		{0x2A51,"Glucose Feature"},
		{0x2A18,"Glucose Measurement"},
		{0x2A34,"Glucose Measurement Context"},
		{0x2A74,"Gust Factor"},
		{0x2A27,"Hardware Revision String"},
		{0x2A39,"Heart Rate Control Point"},
		{0x2A8D,"Heart Rate Max"},
		{0x2A37,"Heart Rate Measurement"},
		{0x2A7A,"Heat Index"},
		{0x2A8E,"Height"},
		{0x2A4C,"HID Control Point"},
		{0x2A4A,"HID Information"},
		{0x2A8F,"Hip Circumference"},
		{0x2ABA,"HTTP Control Point"},
		{0x2AB9,"HTTP Entity Body"},
		{0x2AB7,"HTTP Headers"},
		{0x2AB8,"HTTP Status Code"},
		{0x2ABB,"HTTPS Security"},
		{0x2A6F,"Humidity"},
		{0x2A2A,"IEEE 11073-20601 Regulatory Certification Data List"},
		{0x2AD2,"Indoor Bike Data"},
		{0x2AAD,"Indoor Positioning Configuration"},
		{0x2A36,"Intermediate Cuff Pressure"},
		{0x2A1E,"Intermediate Temperature"},
		{0x2A77,"Irradiance"},
		{0x2AA2,"Language"},
		{0x2A90,"Last Name"},
		{0x2AAE,"Latitude"},
		{0x2A6B,"LN Control Point"},
		{0x2A6A,"LN Feature"},
		{0x2AB1,"Local East Coordinate"},
		{0x2AB0,"Local North Coordinate"},
		{0x2A0F,"Local Time Information"},
		{0x2A67,"Location and Speed Characteristic"},
		{0x2AB5,"Location Name"},
		{0x2AAF,"Longitude"},
		{0x2A2C,"Magnetic Declination"},
		{0x2AA0,"Magnetic Flux Density - 2D"},
		{0x2AA1,"Magnetic Flux Density - 3D"},
		{0x2A29,"Manufacturer Name String"},
		{0x2A91,"Maximum Recommended Heart Rate"},
		{0x2A21,"Measurement Interval"},
		{0x2A24,"Model Number String"},
		{0x2A68,"Navigation"},
		{0x2A3E,"Network Availability"},
		{0x2A46,"New Alert"},
		{0x2AC5,"Object Action Control Point"},
		{0x2AC8,"Object Changed"},
		{0x2AC1,"Object First-Created"},
		{0x2AC3,"Object ID"},
		{0x2AC2,"Object Last-Modified"},
		{0x2AC6,"Object List Control Point"},
		{0x2AC7,"Object List Filter"},
		{0x2ABE,"Object Name"},
		{0x2AC4,"Object Properties"},
		{0x2AC0,"Object Size"},
		{0x2ABF,"Object Type"},
		{0x2ABD,"OTS Feature"},
		{0x2A04,"Peripheral Preferred Connection Parameters"},
		{0x2A02,"Peripheral Privacy Flag"},
		{0x2A5F,"PLX Continuous Measurement Characteristic"},
		{0x2A60,"PLX Features"},
		{0x2A5E,"PLX Spot-Check Measurement"},
		{0x2A50,"PnP ID"},
		{0x2A75,"Pollen Concentration"},
		{0x2A2F,"Position 2D"},
		{0x2A30,"Position 3D"},
		{0x2A69,"Position Quality"},
		{0x2A6D,"Pressure"},
		{0x2A4E,"Protocol Mode"},
		{0x2A62,"Pulse Oximetry Control Point"},
		{0x2A60,"Pulse Oximetry Pulsatile Event Characteristic"},
		{0x2A78,"Rainfall"},
		{0x2A03,"Reconnection Address"},
		{0x2A52,"Record Access Control Point"},
		{0x2A14,"Reference Time Information"},
		{0x2A3A,"Removable"},
		{0x2A4D,"Report"},
		{0x2A4B,"Report Map"},
		{0x2AC9,"Resolvable Private Address Only"},
		{0x2A92,"Resting Heart Rate"},
		{0x2A40,"Ringer Control point"},
		{0x2A41,"Ringer Setting"},
		{0x2AD1,"Rower Data"},
		{0x2A54,"RSC Feature"},
		{0x2A53,"RSC Measurement"},
		{0x2A55,"SC Control Point"},
		{0x2A4F,"Scan Interval Window"},
		{0x2A31,"Scan Refresh"},
		{0x2A3C,"Scientific Temperature Celsius"},
		{0x2A10,"Secondary Time Zone"},
		{0x2A5D,"Sensor Location"},
		{0x2A25,"Serial Number String"},
		{0x2A05,"Service Changed"},
		{0x2A3B,"Service Required"},
		{0x2A28,"Software Revision String"},
		{0x2A93,"Sport Type for Aerobic and Anaerobic Thresholds"},
		{0x2AD0,"Stair Climber Data"},
		{0x2ACF,"Step Climber Data"},
		{0x2A3D,"String"},
		{0x2AD7,"Supported Heart Rate Range"},
		{0x2AD5,"Supported Inclination Range"},
		{0x2A47,"Supported New Alert Category"},
		{0x2AD8,"Supported Power Range"},
		{0x2AD6,"Supported Resistance Level Range"},
		{0x2AD4,"Supported Speed Range"},
		{0x2A48,"Supported Unread Alert Category"},
		{0x2A23,"System ID"},
		{0x2ABC,"TDS Control Point"},
		{0x2A6E,"Temperature"},
		{0x2A1F,"Temperature Celsius"},
		{0x2A20,"Temperature Fahrenheit"},
		{0x2A1C,"Temperature Measurement"},
		{0x2A1D,"Temperature Type"},
		{0x2A94,"Three Zone Heart Rate Limits"},
		{0x2A12,"Time Accuracy"},
		{0x2A15,"Time Broadcast"},
		{0x2A13,"Time Source"},
		{0x2A16,"Time Update Control Point"},
		{0x2A17,"Time Update State"},
		{0x2A11,"Time with DST"},
		{0x2A0E,"Time Zone"},
		{0x2AD3,"Training Status"},
		{0x2ACD,"Treadmill Data"},
		{0x2A71,"True Wind Direction"},
		{0x2A70,"True Wind Speed"},
		{0x2A95,"Two Zone Heart Rate Limit"},
		{0x2A07,"Tx Power Level"},
		{0x2AB4,"Uncertainty"},
		{0x2A45,"Unread Alert Status"},
		{0x2AB6,"URI"},
		{0x2A9F,"User Control Point"},
		{0x2A9A,"User Index"},
		{0x2A76,"UV Index"},
		{0x2A96,"VO2 Max"},
		{0x2A97,"Waist Circumference"},
		{0x2A98,"Weight"},
		{0x2A9D,"Weight Measurement"},
		{0x2A9E,"Weight Scale Feature"},
		{0x2A79,"Wind Chill"},
		{0, ""}
};

/**
 * @brief Mapping from service ids to names
 */
typedef struct {
	const char* name;
	const char* type;
	uint32_t    assignedNumber;
} gattService_t;


/**
 * Definition of the service ids to names that we know about.
 */
static const gattService_t g_gattServices[] = {
	{"Alert Notification Service", "org.bluetooth.service.alert_notification", 0x1811},
	{"Automation IO", "org.bluetooth.service.automation_io",	0x1815 },
	{"Battery Service","org.bluetooth.service.battery_service",	0x180F},
	{"Blood Pressure", "org.bluetooth.service.blood_pressure", 0x1810},
	{"Body Composition", "org.bluetooth.service.body_composition", 0x181B},
	{"Bond Management", "org.bluetooth.service.bond_management", 0x181E},
	{"Continuous Glucose Monitoring", "org.bluetooth.service.continuous_glucose_monitoring", 0x181F},
	{"Current Time Service", "org.bluetooth.service.current_time", 0x1805},
	{"Cycling Power", "org.bluetooth.service.cycling_power", 0x1818},
	{"Cycling Speed and Cadence", "org.bluetooth.service.cycling_speed_and_cadence", 0x1816},
	{"Device Information", "org.bluetooth.service.device_information", 0x180A},
	{"Environmental Sensing", "org.bluetooth.service.environmental_sensing", 0x181A},
	{"Generic Access", "org.bluetooth.service.generic_access", 0x1800},
	{"Generic Attribute", "org.bluetooth.service.generic_attribute", 0x1801},
	{"Glucose", "org.bluetooth.service.glucose", 0x1808},
	{"Health Thermometer", "org.bluetooth.service.health_thermometer", 0x1809},
	{"Heart Rate", "org.bluetooth.service.heart_rate", 0x180D},
	{"HTTP Proxy", "org.bluetooth.service.http_proxy", 0x1823},
	{"Human Interface Device", "org.bluetooth.service.human_interface_device", 0x1812},
	{"Immediate Alert", "org.bluetooth.service.immediate_alert", 0x1802},
	{"Indoor Positioning", "org.bluetooth.service.indoor_positioning", 0x1821},
	{"Internet Protocol Support", "org.bluetooth.service.internet_protocol_support", 0x1820},
	{"Link Loss", "org.bluetooth.service.link_loss", 0x1803},
	{"Location and Navigation", "org.bluetooth.service.location_and_navigation", 0x1819},
	{"Next DST Change Service", "org.bluetooth.service.next_dst_change", 0x1807},
	{"Object Transfer", "org.bluetooth.service.object_transfer", 0x1825},
	{"Phone Alert Status Service", "org.bluetooth.service.phone_alert_status", 0x180E},
	{"Pulse Oximeter", "org.bluetooth.service.pulse_oximeter", 0x1822},
	{"Reference Time Update Service", "org.bluetooth.service.reference_time_update", 0x1806},
	{"Running Speed and Cadence", "org.bluetooth.service.running_speed_and_cadence", 0x1814},
	{"Scan Parameters", "org.bluetooth.service.scan_parameters", 0x1813},
	{"Transport Discovery", "org.bluetooth.service.transport_discovery", 0x1824},
	{"Tx Power", "org.bluetooth.service.tx_power", 0x1804},
	{"User Data", "org.bluetooth.service.user_data", 0x181C},
	{"Weight Scale", "org.bluetooth.service.weight_scale", 0x181D},
	{"", "", 0 }
};


/**
 * @brief Convert characteristic properties into a string representation.
 * @param [in] prop Characteristic properties.
 * @return A string representation of characteristic properties.
 */
std::string BLEUtils::characteristicPropertiesToString(esp_gatt_char_prop_t prop) {
	std::stringstream stream;
	stream <<
			"broadcast: "  << ((prop & ESP_GATT_CHAR_PROP_BIT_BROADCAST)?"1":"0") <<
			", read: "     << ((prop & ESP_GATT_CHAR_PROP_BIT_READ)?"1":"0") <<
			", write_nr: " << ((prop & ESP_GATT_CHAR_PROP_BIT_WRITE_NR)?"1":"0") <<
			", write: "    << ((prop & ESP_GATT_CHAR_PROP_BIT_WRITE)?"1":"0") <<
			", notify: "   << ((prop & ESP_GATT_CHAR_PROP_BIT_NOTIFY)?"1":"0") <<
			", indicate: " << ((prop & ESP_GATT_CHAR_PROP_BIT_INDICATE)?"1":"0") <<
			", auth: "     << ((prop & ESP_GATT_CHAR_PROP_BIT_AUTH)?"1":"0");
	return stream.str();
} // characteristicPropertiesToString

/**
 * @brief Convert an esp_gatt_id_t to a string.
 */
static std::string gattIdToString(esp_gatt_id_t gattId) {
	std::stringstream stream;
	stream << "uuid: " << BLEUUID(gattId.uuid).toString() << ", inst_id: " << (int)gattId.inst_id;
	//sprintf(buffer, "uuid: %s, inst_id: %d", uuidToString(gattId.uuid).c_str(), gattId.inst_id);
	return stream.str();
} // gattIdToString


/**
 * @brief Convert an esp_ble_addr_type_t to a string representation.
 */
const char* BLEUtils::addressTypeToString(esp_ble_addr_type_t type) {
	switch(type) {
		case BLE_ADDR_TYPE_PUBLIC:
			return "BLE_ADDR_TYPE_PUBLIC";
		case BLE_ADDR_TYPE_RANDOM:
			return "BLE_ADDR_TYPE_RANDOM";
		case BLE_ADDR_TYPE_RPA_PUBLIC:
			return "BLE_ADDR_TYPE_RPA_PUBLIC";
		case BLE_ADDR_TYPE_RPA_RANDOM:
			return "BLE_ADDR_TYPE_RPA_RANDOM";
		default:
			return " esp_ble_addr_type_t";
	}
} // addressTypeToString


/**
 * @brief Convert the BLE Advertising Data flags to a string.
 * @param adFlags The flags to convert
 * @return std::string A string representation of the advertising flags.
 */
std::string BLEUtils::adFlagsToString(uint8_t adFlags) {
	std::stringstream ss;
	if (adFlags & (1<<0)) {
		ss << "[LE Limited Discoverable Mode] ";
	}
	if (adFlags & (1<<1)) {
		ss << "[LE General Discoverable Mode] ";
	}
	if (adFlags & (1<<2)) {
		ss << "[BR/EDR Not Supported] ";
	}
	if (adFlags & (1<<3)) {
		ss << "[Simultaneous LE and BR/EDR to Same Device Capable (Controller)] ";
	}
	if (adFlags & (1<<4)) {
		ss << "[Simultaneous LE and BR/EDR to Same Device Capable (Host)] ";
	}
	return ss.str();
} // adFlagsToString


/**
 * @brief Given an advertising type, return a string representation of the type.
 *
 * For details see ...
 * https://www.bluetooth.com/specifications/assigned-numbers/generic-access-profile
 *
 * @return A string representation of the type.
 */
const char* BLEUtils::advTypeToString(uint8_t advType) {
	switch(advType) {
		case ESP_BLE_AD_TYPE_FLAG:                   // 0x01
			return "ESP_BLE_AD_TYPE_FLAG";

		case ESP_BLE_AD_TYPE_16SRV_PART:             // 0x02
			return "ESP_BLE_AD_TYPE_16SRV_PART";

		case ESP_BLE_AD_TYPE_16SRV_CMPL:             // 0x03
			return "ESP_BLE_AD_TYPE_16SRV_CMPL";

		case ESP_BLE_AD_TYPE_32SRV_PART:             // 0x04
			return "ESP_BLE_AD_TYPE_32SRV_PART";

		case ESP_BLE_AD_TYPE_32SRV_CMPL:             // 0x05
			return "ESP_BLE_AD_TYPE_32SRV_CMPL";

		case ESP_BLE_AD_TYPE_128SRV_PART:            // 0x06
			return "ESP_BLE_AD_TYPE_128SRV_PART";

		case ESP_BLE_AD_TYPE_128SRV_CMPL:            // 0x07
			return "ESP_BLE_AD_TYPE_128SRV_CMPL";

		case ESP_BLE_AD_TYPE_NAME_SHORT:             // 0x08
			return "ESP_BLE_AD_TYPE_NAME_SHORT";

		case ESP_BLE_AD_TYPE_NAME_CMPL:              // 0x09
			return "ESP_BLE_AD_TYPE_NAME_CMPL";

		case ESP_BLE_AD_TYPE_TX_PWR:                 // 0x0a
			return "ESP_BLE_AD_TYPE_TX_PWR";

		case ESP_BLE_AD_TYPE_DEV_CLASS:              // 0x0b
			return "ESP_BLE_AD_TYPE_DEV_CLASS";

		case ESP_BLE_AD_TYPE_SM_TK:                  // 0x10
			return "ESP_BLE_AD_TYPE_SM_TK";

		case ESP_BLE_AD_TYPE_SM_OOB_FLAG:            // 0x11
			return "ESP_BLE_AD_TYPE_SM_OOB_FLAG";

		case ESP_BLE_AD_TYPE_INT_RANGE:              // 0x12
			return "ESP_BLE_AD_TYPE_INT_RANGE";

		case ESP_BLE_AD_TYPE_SOL_SRV_UUID:           // 0x14
			return "ESP_BLE_AD_TYPE_SOL_SRV_UUID";

		case ESP_BLE_AD_TYPE_128SOL_SRV_UUID:        // 0x15
			return "ESP_BLE_AD_TYPE_128SOL_SRV_UUID";

		case ESP_BLE_AD_TYPE_SERVICE_DATA:           // 0x16
			return "ESP_BLE_AD_TYPE_SERVICE_DATA";

		case ESP_BLE_AD_TYPE_PUBLIC_TARGET:          // 0x17
			return "ESP_BLE_AD_TYPE_PUBLIC_TARGET";

		case ESP_BLE_AD_TYPE_RANDOM_TARGET:          // 0x18
			return "ESP_BLE_AD_TYPE_RANDOM_TARGET";

		case ESP_BLE_AD_TYPE_APPEARANCE:             // 0x19
			return "ESP_BLE_AD_TYPE_APPEARANCE";

		case ESP_BLE_AD_TYPE_ADV_INT:                // 0x1a
			return "ESP_BLE_AD_TYPE_ADV_INT";

		case ESP_BLE_AD_TYPE_32SOL_SRV_UUID:
			return "ESP_BLE_AD_TYPE_32SOL_SRV_UUID";

		case ESP_BLE_AD_TYPE_32SERVICE_DATA:         // 0x20
			return "ESP_BLE_AD_TYPE_32SERVICE_DATA";

		case ESP_BLE_AD_TYPE_128SERVICE_DATA:        // 0x21
			return "ESP_BLE_AD_TYPE_128SERVICE_DATA";

		case ESP_BLE_AD_MANUFACTURER_SPECIFIC_TYPE:  // 0xff
			return "ESP_BLE_AD_MANUFACTURER_SPECIFIC_TYPE";

		default:
			ESP_LOGD(LOG_TAG, " adv data type: 0x%x", advType);
			return "";
	} // End switch
} // advTypeToString


esp_gatt_id_t BLEUtils::buildGattId(esp_bt_uuid_t uuid, uint8_t inst_id) {
	esp_gatt_id_t retGattId;
	retGattId.uuid = uuid;
	retGattId.inst_id = inst_id;
	return retGattId;
}

esp_gatt_srvc_id_t BLEUtils::buildGattSrvcId(esp_gatt_id_t gattId,
		bool is_primary) {
	esp_gatt_srvc_id_t retSrvcId;
	retSrvcId.id = gattId;
	retSrvcId.is_primary = is_primary;
	return retSrvcId;
}

/**
 * @brief Create a hex representation of data.
 *
 * @param [in] target Where to write the hex string.  If this is null, we malloc storage.
 * @param [in] source The start of the binary data.
 * @param [in] length The length of the data to convert.
 * @return A pointer to the formatted buffer.
 */
char* BLEUtils::buildHexData(uint8_t *target, uint8_t *source, uint8_t length) {
// Guard against too much data.
	if (length > 100) {
		length = 100;
	}

	if (target == nullptr) {
		target = (uint8_t *)malloc(length * 2 + 1);
		if (target == nullptr) {
			ESP_LOGE(LOG_TAG, "buildHexData: malloc failed");
			return nullptr;
		}
	}
	char *startOfData = (char *)target;

	int i;
	for (i=0; i<length; i++) {
		sprintf((char *)target, "%.2x", (char)*source);
		source++;
		target +=2;
	}

// Handle the special case where there was no data.
	if (length == 0) {
		*startOfData = 0;
	}

	return startOfData;
} // buildHexData


/**
 * @brief Build a printable string of memory range.
 * Create a string representation of a piece of memory. Only printable characters will be included
 * while those that are not printable will be replaced with '.'.
 * @param [in] source Start of memory.
 * @param [in] length Length of memory.
 * @return A string representation of a piece of memory.
 */
std::string BLEUtils::buildPrintData(uint8_t* source, size_t length) {
	std::ostringstream ss;
	for (int i=0; i<length; i++) {
		char c = *source;
		if (isprint(c)) {
			ss << c;
		} else {
			ss << '.';
		}
		source++;
	}
	return ss.str();
} // buildPrintData


std::string BLEUtils::gattCloseReasonToString(esp_gatt_conn_reason_t reason) {
	switch(reason) {
		case ESP_GATT_CONN_UNKNOWN:
			return "ESP_GATT_CONN_UNKNOWN";
		case ESP_GATT_CONN_L2C_FAILURE:
			return "ESP_GATT_CONN_L2C_FAILURE";
		case ESP_GATT_CONN_TIMEOUT:
			return "ESP_GATT_CONN_TIMEOUT";
		case ESP_GATT_CONN_TERMINATE_PEER_USER:
			return "ESP_GATT_CONN_TERMINATE_PEER_USER";
		case ESP_GATT_CONN_TERMINATE_LOCAL_HOST:
			return "ESP_GATT_CONN_TERMINATE_LOCAL_HOST";
		case ESP_GATT_CONN_FAIL_ESTABLISH:
			return "ESP_GATT_CONN_FAIL_ESTABLISH";
		case ESP_GATT_CONN_LMP_TIMEOUT:
			return "ESP_GATT_CONN_LMP_TIMEOUT";
		case ESP_GATT_CONN_CONN_CANCEL:
			return "ESP_GATT_CONN_CONN_CANCEL";
		case ESP_GATT_CONN_NONE:
			return "ESP_GATT_CONN_NONE";
		default:
			return "Unknown";
	}
} // gattCloseReasonToString


std::string BLEUtils::gattClientEventTypeToString(esp_gattc_cb_event_t eventType) {
	switch(eventType) {
		case ESP_GATTC_ACL_EVT:
			return "ESP_GATTC_ACL_EVT";
		case ESP_GATTC_ADV_DATA_EVT:
			return "ESP_GATTC_ADV_DATA_EVT";
		case ESP_GATTC_ADV_VSC_EVT:
			return "ESP_GATTC_ADV_VSC_EVT";
		case ESP_GATTC_BTH_SCAN_CFG_EVT:
			return "ESP_GATTC_BTH_SCAN_CFG_EVT";
		case ESP_GATTC_BTH_SCAN_DIS_EVT:
			return "ESP_GATTC_BTH_SCAN_DIS_EVT";
		case ESP_GATTC_BTH_SCAN_ENB_EVT:
			return "ESP_GATTC_BTH_SCAN_ENB_EVT";
		case ESP_GATTC_BTH_SCAN_PARAM_EVT:
			return "ESP_GATTC_BTH_SCAN_PARAM_EVT";
		case ESP_GATTC_BTH_SCAN_RD_EVT:
			return "ESP_GATTC_BTH_SCAN_RD_EVT";
		case ESP_GATTC_BTH_SCAN_THR_EVT:
			return "ESP_GATTC_BTH_SCAN_THR_EVT";
		case ESP_GATTC_CANCEL_OPEN_EVT:
			return "ESP_GATTC_CANCEL_OPEN_EVT";
		case ESP_GATTC_CFG_MTU_EVT:
			return "ESP_GATTC_CFG_MTU_EVT";
		case ESP_GATTC_CLOSE_EVT:
			return "ESP_GATTC_CLOSE_EVT";
		case ESP_GATTC_CONGEST_EVT:
			return "ESP_GATTC_CONGEST_EVT";
		case ESP_GATTC_CONNECT_EVT:
			return "ESP_GATTC_CONNECT_EVT";
		case ESP_GATTC_DISCONNECT_EVT:
			return "ESP_GATTC_DISCONNECT_EVT";
		case ESP_GATTC_ENC_CMPL_CB_EVT:
			return "ESP_GATTC_ENC_CMPL_CB_EVT";
		case ESP_GATTC_EXEC_EVT:
			return "ESP_GATTC_EXEC_EVT";
		//case ESP_GATTC_GET_CHAR_EVT:
//			return "ESP_GATTC_GET_CHAR_EVT";
		//case ESP_GATTC_GET_DESCR_EVT:
//			return "ESP_GATTC_GET_DESCR_EVT";
		//case ESP_GATTC_GET_INCL_SRVC_EVT:
//			return "ESP_GATTC_GET_INCL_SRVC_EVT";
		case ESP_GATTC_MULT_ADV_DATA_EVT:
			return "ESP_GATTC_MULT_ADV_DATA_EVT";
		case ESP_GATTC_MULT_ADV_DIS_EVT:
			return "ESP_GATTC_MULT_ADV_DIS_EVT";
		case ESP_GATTC_MULT_ADV_ENB_EVT:
			return "ESP_GATTC_MULT_ADV_ENB_EVT";
		case ESP_GATTC_MULT_ADV_UPD_EVT:
			return "ESP_GATTC_MULT_ADV_UPD_EVT";
		case ESP_GATTC_NOTIFY_EVT:
			return "ESP_GATTC_NOTIFY_EVT";
		case ESP_GATTC_OPEN_EVT:
			return "ESP_GATTC_OPEN_EVT";
		case ESP_GATTC_PREP_WRITE_EVT:
			return "ESP_GATTC_PREP_WRITE_EVT";
		case ESP_GATTC_READ_CHAR_EVT:
			return "ESP_GATTC_READ_CHAR_EVT";
		case ESP_GATTC_REG_EVT:
			return "ESP_GATTC_REG_EVT";
		case ESP_GATTC_REG_FOR_NOTIFY_EVT:
			return "ESP_GATTC_REG_FOR_NOTIFY_EVT";
		case ESP_GATTC_SCAN_FLT_CFG_EVT:
			return "ESP_GATTC_SCAN_FLT_CFG_EVT";
		case ESP_GATTC_SCAN_FLT_PARAM_EVT:
			return "ESP_GATTC_SCAN_FLT_PARAM_EVT";
		case ESP_GATTC_SCAN_FLT_STATUS_EVT:
			return "ESP_GATTC_SCAN_FLT_STATUS_EVT";
		case ESP_GATTC_SEARCH_CMPL_EVT:
			return "ESP_GATTC_SEARCH_CMPL_EVT";
		case ESP_GATTC_SEARCH_RES_EVT:
			return "ESP_GATTC_SEARCH_RES_EVT";
		case ESP_GATTC_SRVC_CHG_EVT:
			return "ESP_GATTC_SRVC_CHG_EVT";
		case ESP_GATTC_READ_DESCR_EVT:
			return "ESP_GATTC_READ_DESCR_EVT";
		case ESP_GATTC_UNREG_EVT:
			return "ESP_GATTC_UNREG_EVT";
		case ESP_GATTC_UNREG_FOR_NOTIFY_EVT:
			return "ESP_GATTC_UNREG_FOR_NOTIFY_EVT";
		case ESP_GATTC_WRITE_CHAR_EVT:
			return "ESP_GATTC_WRITE_CHAR_EVT";
		case ESP_GATTC_WRITE_DESCR_EVT:
			return "ESP_GATTC_WRITE_DESCR_EVT";
		default:
			ESP_LOGW(LOG_TAG, "Unknown GATT Client event type: %d", eventType);
			return "Unknown";
	}
} // gattClientEventTypeToString


/**
 * @brief Return a string representation of a GATT server event code.
 * @param [in] eventType A GATT server event code.
 * @return A string representation of the GATT server event code.
 */
std::string BLEUtils::gattServerEventTypeToString(esp_gatts_cb_event_t eventType) {
	switch(eventType) {
	case ESP_GATTS_REG_EVT:
		return "ESP_GATTS_REG_EVT";

	case ESP_GATTS_READ_EVT:
		return "ESP_GATTS_READ_EVT";

	case ESP_GATTS_WRITE_EVT:
		return "ESP_GATTS_WRITE_EVT";

	case ESP_GATTS_EXEC_WRITE_EVT:
		return "ESP_GATTS_EXEC_WRITE_EVT";

	case ESP_GATTS_MTU_EVT:
		return "ESP_GATTS_MTU_EVT";

	case ESP_GATTS_CONF_EVT:
		return "ESP_GATTS_CONF_EVT";

	case ESP_GATTS_UNREG_EVT:
		return "ESP_GATTS_UNREG_EVT";

	case ESP_GATTS_CREATE_EVT:
		return "ESP_GATTS_CREATE_EVT";

	case ESP_GATTS_ADD_INCL_SRVC_EVT:
		return "ESP_GATTS_ADD_INCL_SRVC_EVT";

	case ESP_GATTS_ADD_CHAR_EVT:
		return "ESP_GATTS_ADD_CHAR_EVT";

	case ESP_GATTS_ADD_CHAR_DESCR_EVT:
		return "ESP_GATTS_ADD_CHAR_DESCR_EVT";

	case ESP_GATTS_DELETE_EVT:
		return "ESP_GATTS_DELETE_EVT";

	case ESP_GATTS_START_EVT:
		return "ESP_GATTS_START_EVT";

	case ESP_GATTS_STOP_EVT:
		return "ESP_GATTS_STOP_EVT";

	case ESP_GATTS_CONNECT_EVT:
		return "ESP_GATTS_CONNECT_EVT";

	case ESP_GATTS_DISCONNECT_EVT:
		return "ESP_GATTS_DISCONNECT_EVT";

	case ESP_GATTS_OPEN_EVT:
		return "ESP_GATTS_OPEN_EVT";

	case ESP_GATTS_CANCEL_OPEN_EVT:
		return "ESP_GATTS_CANCEL_OPEN_EVT";

	case ESP_GATTS_CLOSE_EVT:
		return "ESP_GATTS_CLOSE_EVT";

	case ESP_GATTS_LISTEN_EVT:
		return "ESP_GATTS_LISTEN_EVT";

	case ESP_GATTS_CONGEST_EVT:
		return "ESP_GATTS_CONGEST_EVT";

	case ESP_GATTS_RESPONSE_EVT:
		return "ESP_GATTS_RESPONSE_EVT";

	case ESP_GATTS_CREAT_ATTR_TAB_EVT:
		return "ESP_GATTS_CREAT_ATTR_TAB_EVT";

	case ESP_GATTS_SET_ATTR_VAL_EVT:
		return "ESP_GATTS_SET_ATTR_VAL_EVT";

	}
	return "Unknown";
} // gattServerEventTypeToString



/**
 * @brief Convert a BLE device type to a string.
 * @param [in] type The device type.
 */
const char* BLEUtils::devTypeToString(esp_bt_dev_type_t type) {
	switch(type) {
	case ESP_BT_DEVICE_TYPE_BREDR:
		return "ESP_BT_DEVICE_TYPE_BREDR";
	case ESP_BT_DEVICE_TYPE_BLE:
		return "ESP_BT_DEVICE_TYPE_BLE";
	case ESP_BT_DEVICE_TYPE_DUMO:
		return "ESP_BT_DEVICE_TYPE_DUMO";
	default:
		return "Unknown";
	}
} // devTypeToString


/**
 * @brief Dump the GAP event to the log.
 */
void BLEUtils::dumpGapEvent(
	esp_gap_ble_cb_event_t  event,
	esp_ble_gap_cb_param_t* param) {
	ESP_LOGD(LOG_TAG, "Received a GAP event: %s", gapEventToString(event));
	switch(event) {
		//
		// ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT
		// adv_data_cmpl
		// - esp_bt_status_t
		//
		case ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %d]",	param->adv_data_cmpl.status);
			break;
		} // ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT


		//
		// ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT
		//
		// adv_data_raw_cmpl
		// - esp_bt_status_t status
		//
		case ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %d]",	param->adv_data_raw_cmpl.status);
			break;
		} // ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT


		//
		// ESP_GAP_BLE_ADV_START_COMPLETE_EVT
		//
		// adv_start_cmpl
		// - esp_bt_status_t status
		//
		case ESP_GAP_BLE_ADV_START_COMPLETE_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %d]",	param->adv_start_cmpl.status);
			break;
		} // ESP_GAP_BLE_ADV_START_COMPLETE_EVT


		//
		// ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT
		//
		// adv_stop_cmpl
		// - esp_bt_status_t status
		//
		case ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %d]",	param->adv_stop_cmpl.status);
			break;
		} // ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT


		//
		// ESP_GAP_BLE_AUTH_CMPL_EVT
		//
		// auth_cmpl
		// - esp_bd_addr_t bd_addr
		// - bool key_present
		// - esp_link_key key
		// - bool success
		// - uint8_t fail_reason
		// - esp_bd_addr_type_t addr_type
		// - esp_bt_dev_type_t dev_type
		//
		case ESP_GAP_BLE_AUTH_CMPL_EVT: {
			ESP_LOGD(LOG_TAG, "[bd_addr: %s, key_present: %d, key: ***, key_type: %d, success: %d, fail_reason: %d, addr_type: ***, dev_type: %s]",
				BLEAddress(param->ble_security.auth_cmpl.bd_addr).toString().c_str(),
				param->ble_security.auth_cmpl.key_present,
				param->ble_security.auth_cmpl.key_type,
				param->ble_security.auth_cmpl.success,
				param->ble_security.auth_cmpl.fail_reason,
				BLEUtils::devTypeToString(param->ble_security.auth_cmpl.dev_type)
			);
			break;
		} // ESP_GAP_BLE_AUTH_CMPL_EVT


		//
		// ESP_GAP_BLE_CLEAR_BOND_DEV_COMPLETE_EVT
		//
		// clear_bond_dev_cmpl
		// - esp_bt_status_t status
		//
		case ESP_GAP_BLE_CLEAR_BOND_DEV_COMPLETE_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %d]",	param->clear_bond_dev_cmpl.status);
			break;
		} // ESP_GAP_BLE_CLEAR_BOND_DEV_COMPLETE_EVT


		//
		// ESP_GAP_BLE_LOCAL_IR_EVT
		//
		case ESP_GAP_BLE_LOCAL_IR_EVT: {
			break;
		} // ESP_GAP_BLE_LOCAL_IR_EVT


		//
		// ESP_GAP_BLE_LOCAL_ER_EVT
		//
		case ESP_GAP_BLE_LOCAL_ER_EVT: {
			break;
		} // ESP_GAP_BLE_LOCAL_ER_EVT


		//
		// ESP_GAP_BLE_NC_REQ_EVT
		//
		case ESP_GAP_BLE_NC_REQ_EVT: {
			ESP_LOGD(LOG_TAG, "[bd_addr: %s, passkey: %d]",
				BLEAddress(param->ble_security.key_notif.bd_addr).toString().c_str(),
				param->ble_security.key_notif.passkey);
			break;
		} // ESP_GAP_BLE_NC_REQ_EVT


		//
		// ESP_GAP_BLE_READ_RSSI_COMPLETE_EVT
		//
		// read_rssi_cmpl
		// - esp_bt_status_t status
		// - int8_t rssi
		// - esp_bd_addr_t remote_addr
		//
		case ESP_GAP_BLE_READ_RSSI_COMPLETE_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %d, rssi: %d, remote_addr: %s]",
					param->read_rssi_cmpl.status,
					param->read_rssi_cmpl.rssi,
					BLEAddress(param->read_rssi_cmpl.remote_addr).toString().c_str()
			);
			break;
		} // ESP_GAP_BLE_READ_RSSI_COMPLETE_EVT


		//
		// ESP_GAP_BLE_SCAN_PARAM_SET_COMPLETE_EVT
		//
		// scan_param_cmpl.
		// - esp_bt_status_t status
		//
		case ESP_GAP_BLE_SCAN_PARAM_SET_COMPLETE_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %d]",	param->scan_param_cmpl.status);
			break;
		} // ESP_GAP_BLE_SCAN_PARAM_SET_COMPLETE_EVT


		//
		// ESP_GAP_BLE_SCAN_RESULT_EVT
		//
		// scan_rst:
		// - search_evt
		// - bda
		// - dev_type
		// - ble_addr_type
		// - ble_evt_type
		// - rssi
		// - ble_adv
		// - flag
		// - num_resps
		// - adv_data_len
		// - scan_rsp_len
		//
		case ESP_GAP_BLE_SCAN_RESULT_EVT: {
			switch(param->scan_rst.search_evt) {
				case ESP_GAP_SEARCH_INQ_RES_EVT: {
					ESP_LOGD(LOG_TAG, "search_evt: %s, bda: %s, dev_type: %s, ble_addr_type: %s, ble_evt_type: %s, rssi: %d, ble_adv: ??, flag: %d (%s), num_resps: %d, adv_data_len: %d, scan_rsp_len: %d",
						searchEventTypeToString(param->scan_rst.search_evt),
						BLEAddress(param->scan_rst.bda).toString().c_str(),
						devTypeToString(param->scan_rst.dev_type),
						addressTypeToString(param->scan_rst.ble_addr_type),
						eventTypeToString(param->scan_rst.ble_evt_type),
						param->scan_rst.rssi,
						param->scan_rst.flag,
						adFlagsToString(param->scan_rst.flag).c_str(),
						param->scan_rst.num_resps,
						param->scan_rst.adv_data_len,
						param->scan_rst.scan_rsp_len
					);
					break;
				} // ESP_GAP_SEARCH_INQ_RES_EVT

				default: {
					ESP_LOGD(LOG_TAG, "search_evt: %s",searchEventTypeToString(param->scan_rst.search_evt));
					break;
				}
			}
			break;
		} // ESP_GAP_BLE_SCAN_RESULT_EVT


		//
		// ESP_GAP_BLE_SCAN_RSP_DATA_SET_COMPLETE_EVT
		//
		// scan_rsp_data_cmpl
		// - esp_bt_status_t status
		//
		case ESP_GAP_BLE_SCAN_RSP_DATA_SET_COMPLETE_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %d]",	param->scan_rsp_data_cmpl.status);
			break;
		} // ESP_GAP_BLE_SCAN_RSP_DATA_SET_COMPLETE_EVT


		//
		// ESP_GAP_BLE_SCAN_START_COMPLETE_EVT
		//
		// scan_start_cmpl
		// - esp_bt_status_t status
		case ESP_GAP_BLE_SCAN_START_COMPLETE_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %d]", param->scan_start_cmpl.status);
			break;
		} // ESP_GAP_BLE_SCAN_START_COMPLETE_EVT


		//
		// ESP_GAP_BLE_SCAN_STOP_COMPLETE_EVT
		//
		// scan_stop_cmpl
		// - esp_bt_status_t status
		//
		case ESP_GAP_BLE_SCAN_STOP_COMPLETE_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %d]", param->scan_stop_cmpl.status);
			break;
		} // ESP_GAP_BLE_SCAN_STOP_COMPLETE_EVT


		//
		// ESP_GAP_BLE_UPDATE_CONN_PARAMS_EVT
		//
		// update_conn_params
		// - esp_bt_status_t status
		// - esp_bd_addr_t bda
		// - uint16_t min_int
		// - uint16_t max_int
		// - uint16_t latency
		// - uint16_t conn_int
		// - uint16_t timeout
		//
		case ESP_GAP_BLE_UPDATE_CONN_PARAMS_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %d, bd_addr: %s, min_int: %d, max_int: %d, latency: %d, conn_int: %d, timeout: %d]",
				param->update_conn_params.status,
				BLEAddress(param->update_conn_params.bda).toString().c_str(),
				param->update_conn_params.min_int,
				param->update_conn_params.max_int,
				param->update_conn_params.latency,
				param->update_conn_params.conn_int,
				param->update_conn_params.timeout
			);
			break;
		} // ESP_GAP_BLE_SCAN_UPDATE_CONN_PARAMS_EVT


		//
		// ESP_GAP_BLE_SEC_REQ_EVT
		//
		case ESP_GAP_BLE_SEC_REQ_EVT: {
			ESP_LOGD(LOG_TAG, "[bd_addr: %s]", BLEAddress(param->ble_security.ble_req.bd_addr).toString().c_str());
			break;
		} // ESP_GAP_BLE_SEC_REQ_EVT


		default: {
			ESP_LOGD(LOG_TAG, "*** dumpGapEvent: Logger not coded ***");
			break;
		} // default
	} // switch
} // dumpGapEvent


/**
 * @brief Decode and dump a GATT client event
 *
 * @param [in] event The type of event received.
 * @param [in] evtParam The data associated with the event.
 */
void BLEUtils::dumpGattClientEvent(
	esp_gattc_cb_event_t      event,
	esp_gatt_if_t             gattc_if,
	esp_ble_gattc_cb_param_t* evtParam) {

	//esp_ble_gattc_cb_param_t *evtParam = (esp_ble_gattc_cb_param_t *)param;
	ESP_LOGD(LOG_TAG, "GATT Event: %s", BLEUtils::gattClientEventTypeToString(event).c_str());
	switch(event) {
		//
		// ESP_GATTC_CLOSE_EVT
		//
		// close:
		// - esp_gatt_status_t      status
		// - uint16_t               conn_id
		// - esp_bd_addr_t          remote_bda
		// - esp_gatt_conn_reason_t reason
		//
		case ESP_GATTC_CLOSE_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %s, reason:%s, conn_id: %d]",
				BLEUtils::gattStatusToString(evtParam->close.status).c_str(),
				BLEUtils::gattCloseReasonToString(evtParam->close.reason).c_str(),
				evtParam->close.conn_id);
			break;
		}

		//
		// ESP_GATTC_CONNECT_EVT
		//
		// connect:
		// - esp_gatt_status_t status
		// - uint16_t          conn_id
		// - esp_bd_addr_t     remote_bda
		case ESP_GATTC_CONNECT_EVT: {
			ESP_LOGD(LOG_TAG, "[conn_id: %d, remote_bda: %s]",
				evtParam->connect.conn_id,
				BLEAddress(evtParam->connect.remote_bda).toString().c_str()
			);
			break;
		}

		//
		// ESP_GATTC_DISCONNECT_EVT
		//
		// disconnect:
		// - esp_gatt_status_t status
		// - uint16_t          conn_id
		// - esp_bd_addr_t     remote_bda
		case ESP_GATTC_DISCONNECT_EVT: {
			ESP_LOGD(LOG_TAG, "[conn_id: %d, remote_bda: %s]",
				evtParam->disconnect.conn_id,
				BLEAddress(evtParam->disconnect.remote_bda).toString().c_str()
			);
			break;
		} // ESP_GATTC_DISCONNECT_EVT

		//
		// ESP_GATTC_GET_CHAR_EVT
		//
		// get_char:
		// - esp_gatt_status_t    status
		// - uin1t6_t             conn_id
		// - esp_gatt_srvc_id_t   srvc_id
		// - esp_gatt_id_t        char_id
		// - esp_gatt_char_prop_t char_prop
		//
		/*
		case ESP_GATTC_GET_CHAR_EVT: {

			// If the status of the event shows that we have a value other than ESP_GATT_OK then the
			// characteristic fields are not set to a usable value .. so don't try and log them.
			if (evtParam->get_char.status == ESP_GATT_OK) {
				std::string description = "Unknown";
				if (evtParam->get_char.char_id.uuid.len == ESP_UUID_LEN_16) {
					description = BLEUtils::gattCharacteristicUUIDToString(evtParam->get_char.char_id.uuid.uuid.uuid16);
				}
				ESP_LOGD(LOG_TAG, "[status: %s, conn_id: %d, srvc_id: %s, char_id: %s [description: %s]\nchar_prop: %s]",
					BLEUtils::gattStatusToString(evtParam->get_char.status).c_str(),
					evtParam->get_char.conn_id,
					BLEUtils::gattServiceIdToString(evtParam->get_char.srvc_id).c_str(),
					gattIdToString(evtParam->get_char.char_id).c_str(),
					description.c_str(),
					BLEUtils::characteristicPropertiesToString(evtParam->get_char.char_prop).c_str()
				);
			} else {
				ESP_LOGD(LOG_TAG, "[status: %s, conn_id: %d, srvc_id: %s]",
					BLEUtils::gattStatusToString(evtParam->get_char.status).c_str(),
					evtParam->get_char.conn_id,
					BLEUtils::gattServiceIdToString(evtParam->get_char.srvc_id).c_str()
				);
			}
			break;
		} // ESP_GATTC_GET_CHAR_EVT
		*/

		//
		// ESP_GATTC_NOTIFY_EVT
		//
		// notify
		// uint16_t           conn_id
		// esp_bd_addr_t      remote_bda
		// handle             handle
		// uint16_t           value_len
		// uint8_t*           value
		// bool               is_notify
		//
		case ESP_GATTC_NOTIFY_EVT: {
			ESP_LOGD(LOG_TAG, "[conn_id: %d, remote_bda: %s, handle: %d 0x%.2x, value_len: %d, is_notify: %d]",
				evtParam->notify.conn_id,
				BLEAddress(evtParam->notify.remote_bda).toString().c_str(),
				evtParam->notify.handle,
				evtParam->notify.handle,
				evtParam->notify.value_len,
				evtParam->notify.is_notify
			);
			break;
		}

		//
		// ESP_GATTC_OPEN_EVT
		//
		// open:
		// - esp_gatt_status_t status
		// - uint16_t          conn_id
		// - esp_bd_addr_t     remote_bda
		// - uint16_t          mtu
		//
		case ESP_GATTC_OPEN_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %s, conn_id: %d, remote_bda: %s, mtu: %d]",
				BLEUtils::gattStatusToString(evtParam->open.status).c_str(),
				evtParam->open.conn_id,
				BLEAddress(evtParam->open.remote_bda).toString().c_str(),
				evtParam->open.mtu);
			break;
		} // ESP_GATTC_OPEN_EVT


		//
		// ESP_GATTC_READ_CHAR_EVT
		//
		// Callback to indicate that requested data that we wanted to read is now available.
		//
		// read:
		// esp_gatt_status_t  status
		// uint16_t           conn_id
		// uint16_t           handle
		// uint8_t*           value
		// uint16_t           value_type
		// uint16_t           value_len
		case ESP_GATTC_READ_CHAR_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %s, conn_id: %d, handle: %d 0x%.2x, value_len: %d]",
				BLEUtils::gattStatusToString(evtParam->read.status).c_str(),
				evtParam->read.conn_id,
				evtParam->read.handle,
				evtParam->read.handle,
				evtParam->read.value_len
			);
			if (evtParam->read.status == ESP_GATT_OK) {
				GeneralUtils::hexDump(evtParam->read.value, evtParam->read.value_len);
				/*
				char *pHexData = BLEUtils::buildHexData(nullptr, evtParam->read.value, evtParam->read.value_len);
				ESP_LOGD(LOG_TAG, "value: %s \"%s\"", pHexData, BLEUtils::buildPrintData(evtParam->read.value, evtParam->read.value_len).c_str());
				free(pHexData);
				*/
			}
			break;
		} // ESP_GATTC_READ_CHAR_EVT


		//
		// ESP_GATTC_REG_EVT
		//
		// reg:
		// - esp_gatt_status_t status
		// - uint16_t          app_id
		//
		case ESP_GATTC_REG_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %s, app_id: 0x%x]",
				BLEUtils::gattStatusToString(evtParam->reg.status).c_str(),
				evtParam->reg.app_id);
			break;
		} // ESP_GATTC_REG_EVT


		//
		// ESP_GATTC_REG_FOR_NOTIFY_EVT
		//
		// reg_for_notify:
		// - esp_gatt_status_t status
		// - uint16_t          handle
		case ESP_GATTC_REG_FOR_NOTIFY_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %s, handle: %d 0x%.2x]",
				BLEUtils::gattStatusToString(evtParam->reg_for_notify.status).c_str(),
				evtParam->reg_for_notify.handle,
				evtParam->reg_for_notify.handle
			);
			break;
		} // ESP_GATTC_REG_FOR_NOTIFY_EVT


		//
		// ESP_GATTC_SEARCH_CMPL_EVT
		//
		// search_cmpl:
		// - esp_gatt_status_t status
		// - uint16_t          conn_id
		//
		case ESP_GATTC_SEARCH_CMPL_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %s, conn_id: %d]",
				BLEUtils::gattStatusToString(evtParam->search_cmpl.status).c_str(),
				evtParam->search_cmpl.conn_id);
			break;
		} // ESP_GATTC_SEARCH_CMPL_EVT


		//
		// ESP_GATTC_SEARCH_RES_EVT
		//
		// search_res:
		// - uint16_t      conn_id
		// - uint16_t      start_handle
		// - uint16_t      end_handle
		// - esp_gatt_id_t srvc_id
		//
		case ESP_GATTC_SEARCH_RES_EVT: {
			ESP_LOGD(LOG_TAG, "[conn_id: %d, start_handle: %d 0x%.2x, end_handle: %d 0x%.2x, srvc_id: %s",
				evtParam->search_res.conn_id,
				evtParam->search_res.start_handle,
				evtParam->search_res.start_handle,
				evtParam->search_res.end_handle,
				evtParam->search_res.end_handle,
				gattIdToString(evtParam->search_res.srvc_id).c_str());
			break;
		} // ESP_GATTC_SEARCH_RES_EVT


		//
		// ESP_GATTC_WRITE_CHAR_EVT
		//
		// write:
		// - esp_gatt_status_t status
		// - uint16_t          conn_id
		// - uint16_t          handle
		//
		case ESP_GATTC_WRITE_CHAR_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %s, conn_id: %d, handle: %d 0x%.2x]",
				BLEUtils::gattStatusToString(evtParam->write.status).c_str(),
				evtParam->write.conn_id,
				evtParam->write.handle,
				evtParam->write.handle
			);
			break;
		} // ESP_GATTC_WRITE_CHAR_EVT

		default:
			break;
	}
} // dumpGattClientEvent


/**
 * @brief Dump the details of a GATT server event.
 * A GATT Server event is a callback received from the BLE subsystem when we are acting as a BLE
 * server.  The callback indicates the type of event in the `event` field.  The `evtParam` is a
 * union of structures where we can use the `event` to indicate which of the structures has been
 * populated and hence is valid.
 *
 * @param [in] event The event type that was posted.
 * @param [in] evtParam A union of structures only one of which is populated.
 */
void BLEUtils::dumpGattServerEvent(
		esp_gatts_cb_event_t      event,
		esp_gatt_if_t             gatts_if,
		esp_ble_gatts_cb_param_t* evtParam) {
	ESP_LOGD(LOG_TAG, "GATT ServerEvent: %s", BLEUtils::gattServerEventTypeToString(event).c_str());
	switch(event) {

		case ESP_GATTS_ADD_CHAR_DESCR_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %s, attr_handle: %d 0x%.2x, service_handle: %d 0x%.2x, char_uuid: %s]",
				gattStatusToString(evtParam->add_char_descr.status).c_str(),
				evtParam->add_char_descr.attr_handle,
				evtParam->add_char_descr.attr_handle,
				evtParam->add_char_descr.service_handle,
				evtParam->add_char_descr.service_handle,
				BLEUUID(evtParam->add_char_descr.char_uuid).toString().c_str());
			break;
		} // ESP_GATTS_ADD_CHAR_DESCR_EVT

		case ESP_GATTS_ADD_CHAR_EVT: {
			if (evtParam->add_char.status == ESP_GATT_OK) {
				ESP_LOGD(LOG_TAG, "[status: %s, attr_handle: %d 0x%.2x, service_handle: %d 0x%.2x, char_uuid: %s]",
					gattStatusToString(evtParam->add_char.status).c_str(),
					evtParam->add_char.attr_handle,
					evtParam->add_char.attr_handle,
					evtParam->add_char.service_handle,
					evtParam->add_char.service_handle,
					BLEUUID(evtParam->add_char.char_uuid).toString().c_str());
			} else {
				ESP_LOGE(LOG_TAG, "[status: %s, attr_handle: %d 0x%.2x, service_handle: %d 0x%.2x, char_uuid: %s]",
					gattStatusToString(evtParam->add_char.status).c_str(),
					evtParam->add_char.attr_handle,
					evtParam->add_char.attr_handle,
					evtParam->add_char.service_handle,
					evtParam->add_char.service_handle,
					BLEUUID(evtParam->add_char.char_uuid).toString().c_str());
			}
			break;
		} // ESP_GATTS_ADD_CHAR_EVT


		// ESP_GATTS_CONF_EVT
		//
		// conf:
		// - esp_gatt_status_t status  – The status code.
		// - uint16_t          conn_id – The connection used.
		//
		case ESP_GATTS_CONF_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %s, conn_id: 0x%.2x]",
				gattStatusToString(evtParam->conf.status).c_str(),
				evtParam->conf.conn_id);
			break;
		} // ESP_GATTS_CONF_EVT


		case ESP_GATTS_CONGEST_EVT: {
			ESP_LOGD(LOG_TAG, "[conn_id: %d, congested: %d]",
				evtParam->congest.conn_id,
				evtParam->congest.congested);
			break;
		} // ESP_GATTS_CONGEST_EVT

		case ESP_GATTS_CONNECT_EVT: {
			ESP_LOGD(LOG_TAG, "[conn_id: %d, remote_bda: %s]",
				evtParam->connect.conn_id,
				BLEAddress(evtParam->connect.remote_bda).toString().c_str());
			break;
		} // ESP_GATTS_CONNECT_EVT

		case ESP_GATTS_CREATE_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %s, service_handle: %d 0x%.2x, service_id: [%s]]",
				gattStatusToString(evtParam->create.status).c_str(),
				evtParam->create.service_handle,
				evtParam->create.service_handle,
				gattServiceIdToString(evtParam->create.service_id).c_str());
			break;
		} // ESP_GATTS_CREATE_EVT

		case ESP_GATTS_DISCONNECT_EVT: {
			ESP_LOGD(LOG_TAG, "[conn_id: %d, remote_bda: %s]",
				evtParam->connect.conn_id,
				BLEAddress(evtParam->connect.remote_bda).toString().c_str());
			break;
		} // ESP_GATTS_DISCONNECT_EVT


		// ESP_GATTS_EXEC_WRITE_EVT
		// exec_write:
		// - uint16_t conn_id
		// - uint32_t trans_id
		// - esp_bd_addr_t bda
		// - uint8_t exec_write_flag
		//
		case ESP_GATTS_EXEC_WRITE_EVT: {
			char* pWriteFlagText;
			switch(evtParam->exec_write.exec_write_flag) {
				case ESP_GATT_PREP_WRITE_EXEC: {
					pWriteFlagText = (char*)"WRITE";
					break;
				}

				case ESP_GATT_PREP_WRITE_CANCEL: {
					pWriteFlagText = (char*)"CANCEL";
					break;
				}

				default:
					pWriteFlagText = (char*)"<Unknown>";
					break;
			}

			ESP_LOGD(LOG_TAG, "[conn_id: %d, trans_id: %d, bda: %s, exec_write_flag: 0x%.2x=%s]",
				evtParam->exec_write.conn_id,
				evtParam->exec_write.trans_id,
				BLEAddress(evtParam->exec_write.bda).toString().c_str(),
				evtParam->exec_write.exec_write_flag,
				pWriteFlagText);
			break;
		} // ESP_GATTS_DISCONNECT_EVT


		case ESP_GATTS_MTU_EVT: {
			ESP_LOGD(LOG_TAG, "[conn_id: %d, mtu: %d]",
					evtParam->mtu.conn_id,
					evtParam->mtu.mtu);
			break;
		} // ESP_GATTS_MTU_EVT

		case ESP_GATTS_READ_EVT: {
			ESP_LOGD(LOG_TAG, "[conn_id: %d, trans_id: %d, bda: %s, handle: 0x%.2x, is_long: %d, need_rsp:%d]",
					evtParam->read.conn_id,
					evtParam->read.trans_id,
					BLEAddress(evtParam->read.bda).toString().c_str(),
					evtParam->read.handle,
					evtParam->read.is_long,
					evtParam->read.need_rsp);
			break;
		} // ESP_GATTS_READ_EVT

		case ESP_GATTS_RESPONSE_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %s, handle: 0x%.2x]",
				gattStatusToString(evtParam->rsp.status).c_str(),
				evtParam->rsp.handle);
			break;
		} // ESP_GATTS_RESPONSE_EVT

		case ESP_GATTS_REG_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %s, app_id: %d]",
				gattStatusToString(evtParam->reg.status).c_str(),
				evtParam->reg.app_id);
			break;
		} // ESP_GATTS_REG_EVT


		// ESP_GATTS_START_EVT
		//
		// start:
		// - esp_gatt_status_t status
		// - uint16_t          service_handle
		//
		case ESP_GATTS_START_EVT: {
			ESP_LOGD(LOG_TAG, "[status: %s, service_handle: 0x%.2x]",
				gattStatusToString(evtParam->start.status).c_str(),
				evtParam->start.service_handle);
			break;
		} // ESP_GATTS_START_EVT


		// ESP_GATTS_WRITE_EVT
		//
		// write:
		// - uint16_t      conn_id  – The connection id.
		// - uint16_t      trans_id – The transfer id.
		// - esp_bd_addr_t bda      – The address of the partner.
		// - uint16_t      handle   – The attribute handle.
		// - uint16_t      offset   – The offset of the currently received within the whole value.
		// - bool          need_rsp – Do we need a response?
		// - bool          is_prep  – Is this a write prepare?  If set, then this is to be considered part of the received value and not the whole value.  A subsequent ESP_GATTS_EXEC_WRITE will mark the total.
		// - uint16_t      len      – The length of the incoming value part.
		// - uint8_t*      value    – The data for this value part.
		//
		case ESP_GATTS_WRITE_EVT: {
			ESP_LOGD(LOG_TAG, "[conn_id: %d, trans_id: %d, bda: %s, handle: 0x%.2x, offset: %d, need_rsp: %d, is_prep: %d, len: %d]",
					evtParam->write.conn_id,
					evtParam->write.trans_id,
					BLEAddress(evtParam->write.bda).toString().c_str(),
					evtParam->write.handle,
					evtParam->write.offset,
					evtParam->write.need_rsp,
					evtParam->write.is_prep,
					evtParam->write.len);
			char* pHex = buildHexData(nullptr, evtParam->write.value, evtParam->write.len);
			ESP_LOGD(LOG_TAG, "[Data: %s]", pHex);
			free(pHex);
			break;
		} // ESP_GATTS_WRITE_EVT

		default:
			ESP_LOGD(LOG_TAG, "dumpGattServerEvent: *** NOT CODED ***");
			break;
		}
} // dumpGattServerEvent


/**
 * @brief Convert a BLE event type to a string.
 * @param [in] eventType The event type.
 * @return The event type as a string.
 */
const char* BLEUtils::eventTypeToString(esp_ble_evt_type_t eventType) {
	switch(eventType) {
		case ESP_BLE_EVT_CONN_ADV:
			return "ESP_BLE_EVT_CONN_ADV";
		case ESP_BLE_EVT_CONN_DIR_ADV:
			return "ESP_BLE_EVT_CONN_DIR_ADV";
		case ESP_BLE_EVT_DISC_ADV:
			return "ESP_BLE_EVT_DISC_ADV";
		case ESP_BLE_EVT_NON_CONN_ADV:
			return "ESP_BLE_EVT_NON_CONN_ADV";
		case ESP_BLE_EVT_SCAN_RSP:
			return "ESP_BLE_EVT_SCAN_RSP";
		default:
			ESP_LOGD(LOG_TAG, "Unknown esp_ble_evt_type_t: %d (0x%.2x)", eventType, eventType);
			return "*** Unknown ***";
	}
} // eventTypeToString



/**
 * @brief Convert a BT GAP event type to a string representation.
 * @param [in] eventType The type of event.
 * @return A string representation of the event type.
 */
const char* BLEUtils::gapEventToString(uint32_t eventType) {
	switch(eventType) {
		case ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT:
			return "ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT";

		case ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT:
			return "ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT";

		case ESP_GAP_BLE_ADV_START_COMPLETE_EVT:
			return "ESP_GAP_BLE_ADV_START_COMPLETE_EVT";

		case ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT:                      /*!< When stop adv complete, the event comes */
			return "ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT";

		case ESP_GAP_BLE_AUTH_CMPL_EVT:                              /* Authentication complete indication. */
			return "ESP_GAP_BLE_AUTH_CMPL_EVT";

		case ESP_GAP_BLE_CLEAR_BOND_DEV_COMPLETE_EVT:
			return "ESP_GAP_BLE_CLEAR_BOND_DEV_COMPLETE_EVT";

		case ESP_GAP_BLE_GET_BOND_DEV_COMPLETE_EVT:
			return "ESP_GAP_BLE_GET_BOND_DEV_COMPLETE_EVT";

		case ESP_GAP_BLE_KEY_EVT:                                    /* BLE  key event for peer device keys */
			return "ESP_GAP_BLE_KEY_EVT";

		case ESP_GAP_BLE_LOCAL_IR_EVT:                               /* BLE local IR event */
			return "ESP_GAP_BLE_LOCAL_IR_EVT";

		case ESP_GAP_BLE_LOCAL_ER_EVT:                               /* BLE local ER event */
			return "ESP_GAP_BLE_LOCAL_ER_EVT";

		case ESP_GAP_BLE_NC_REQ_EVT:                                 /* Numeric Comparison request event */
			return "ESP_GAP_BLE_NC_REQ_EVT";

		case ESP_GAP_BLE_OOB_REQ_EVT:                                /* OOB request event */
			return "ESP_GAP_BLE_OOB_REQ_EVT";

		case ESP_GAP_BLE_PASSKEY_NOTIF_EVT:                          /* passkey notification event */
			return "ESP_GAP_BLE_PASSKEY_NOTIF_EVT";

		case ESP_GAP_BLE_PASSKEY_REQ_EVT:                            /* passkey request event */
			return "ESP_GAP_BLE_PASSKEY_REQ_EVT";

		case ESP_GAP_BLE_READ_RSSI_COMPLETE_EVT:
			return "ESP_GAP_BLE_READ_RSSI_COMPLETE_EVT";

		case ESP_GAP_BLE_REMOVE_BOND_DEV_COMPLETE_EVT:
			return "ESP_GAP_BLE_REMOVE_BOND_DEV_COMPLETE_EVT";

		case ESP_GAP_BLE_SCAN_PARAM_SET_COMPLETE_EVT:
			return "ESP_GAP_BLE_SCAN_PARAM_SET_COMPLETE_EVT";

		case ESP_GAP_BLE_SCAN_RESULT_EVT:
			return "ESP_GAP_BLE_SCAN_RESULT_EVT";

		case ESP_GAP_BLE_SCAN_RSP_DATA_RAW_SET_COMPLETE_EVT:
			return "ESP_GAP_BLE_SCAN_RSP_DATA_RAW_SET_COMPLETE_EVT";

		case ESP_GAP_BLE_SCAN_RSP_DATA_SET_COMPLETE_EVT:
			return "ESP_GAP_BLE_SCAN_RSP_DATA_SET_COMPLETE_EVT";

		case ESP_GAP_BLE_SCAN_START_COMPLETE_EVT:
			return "ESP_GAP_BLE_SCAN_START_COMPLETE_EVT";

		case ESP_GAP_BLE_SCAN_STOP_COMPLETE_EVT:
			return "ESP_GAP_BLE_SCAN_STOP_COMPLETE_EVT";

		case ESP_GAP_BLE_SEC_REQ_EVT:                                /* BLE  security request */
			return "ESP_GAP_BLE_SEC_REQ_EVT";

		case ESP_GAP_BLE_SET_LOCAL_PRIVACY_COMPLETE_EVT:
			return "ESP_GAP_BLE_SET_LOCAL_PRIVACY_COMPLETE_EVT";

		case ESP_GAP_BLE_SET_PKT_LENGTH_COMPLETE_EVT:
			return "ESP_GAP_BLE_SET_PKT_LENGTH_COMPLETE_EVT";

		case ESP_GAP_BLE_SET_STATIC_RAND_ADDR_EVT:
			return "ESP_GAP_BLE_SET_STATIC_RAND_ADDR_EVT";

		case ESP_GAP_BLE_UPDATE_CONN_PARAMS_EVT:
			return "ESP_GAP_BLE_UPDATE_CONN_PARAMS_EVT";


		default:
			ESP_LOGD(LOG_TAG, "gapEventToString: Unknown event type %d 0x%.2x", eventType, eventType);
			return "Unknown event type";
	}
} // gapEventToString


std::string BLEUtils::gattCharacteristicUUIDToString(uint32_t characteristicUUID) {
	const characteristicMap_t *p = g_characteristicsMappings;
	while (strlen(p->name) > 0) {
		if (p->assignedNumber == characteristicUUID) {
			return std::string(p->name);
		}
		p++;
	}
	return "Unknown";
} // gattCharacteristicUUIDToString


/**
 * @brief Given the UUID for a BLE defined descriptor, return its string representation.
 * @param [in] descriptorUUID UUID of the descriptor to be returned as a string.
 * @return The string representation of a descriptor UUID.
 */
std::string BLEUtils::gattDescriptorUUIDToString(uint32_t descriptorUUID) {
	gattdescriptor_t* p = (gattdescriptor_t *)g_descriptor_ids;
	while (strlen(p->name) > 0) {
		if (p->assignedNumber == descriptorUUID) {
			return std::string(p->name);
		}
		p++;
	}
	return "";
} // gattDescriptorUUIDToString


/**
 * @brief Return a string representation of an esp_gattc_service_elem_t.
 * @return A string representation of an esp_gattc_service_elem_t.
 */
std::string BLEUtils::gattcServiceElementToString(esp_gattc_service_elem_t* pGATTCServiceElement) {
	std::stringstream ss;

	ss << "[uuid: " << BLEUUID(pGATTCServiceElement->uuid).toString() <<
		", start_handle: " << pGATTCServiceElement->start_handle <<
			" 0x" << std::hex << pGATTCServiceElement->start_handle <<
		", end_handle: " << std::dec << pGATTCServiceElement->end_handle <<
		  " 0x" << std::hex << pGATTCServiceElement->end_handle << "]";
	return ss.str();
} // gattcServiceElementToString


/**
 * @brief Convert an esp_gatt_srvc_id_t to a string.
 */
std::string BLEUtils::gattServiceIdToString(esp_gatt_srvc_id_t srvcId) {
	return gattIdToString(srvcId.id);
} // gattServiceIdToString


std::string BLEUtils::gattServiceToString(uint32_t serviceId) {
	gattService_t* p = (gattService_t *)g_gattServices;
	while (strlen(p->name) > 0) {
		if (p->assignedNumber == serviceId) {
			return std::string(p->name);
		}
		p++;
	}
	return "Unknown";
} // gattServiceToString


/**
 * @brief Convert a GATT status to a string.
 *
 * @param [in] status The status to convert.
 * @return A string representation of the status.
 */
std::string BLEUtils::gattStatusToString(esp_gatt_status_t status) {
	switch(status) {
		case ESP_GATT_OK:
			return "ESP_GATT_OK";
		case ESP_GATT_INVALID_HANDLE:
			return "ESP_GATT_INVALID_HANDLE";
		case ESP_GATT_READ_NOT_PERMIT:
			return "ESP_GATT_READ_NOT_PERMIT";
		case ESP_GATT_WRITE_NOT_PERMIT:
			return "ESP_GATT_WRITE_NOT_PERMIT";
		case ESP_GATT_INVALID_PDU:
			return "ESP_GATT_INVALID_PDU";
		case ESP_GATT_INSUF_AUTHENTICATION:
			return "ESP_GATT_INSUF_AUTHENTICATION";
		case ESP_GATT_REQ_NOT_SUPPORTED:
			return "ESP_GATT_REQ_NOT_SUPPORTED";
		case ESP_GATT_INVALID_OFFSET:
			return "ESP_GATT_INVALID_OFFSET";
		case ESP_GATT_INSUF_AUTHORIZATION:
			return "ESP_GATT_INSUF_AUTHORIZATION";
		case ESP_GATT_PREPARE_Q_FULL:
			return "ESP_GATT_PREPARE_Q_FULL";
		case ESP_GATT_NOT_FOUND:
			return "ESP_GATT_NOT_FOUND";
		case ESP_GATT_NOT_LONG:
			return "ESP_GATT_NOT_LONG";
		case ESP_GATT_INSUF_KEY_SIZE:
			return "ESP_GATT_INSUF_KEY_SIZE";
		case ESP_GATT_INVALID_ATTR_LEN:
			return "ESP_GATT_INVALID_ATTR_LEN";
		case ESP_GATT_ERR_UNLIKELY:
			return "ESP_GATT_ERR_UNLIKELY";
		case ESP_GATT_INSUF_ENCRYPTION:
			return "ESP_GATT_INSUF_ENCRYPTION";
		case ESP_GATT_UNSUPPORT_GRP_TYPE:
			return "ESP_GATT_UNSUPPORT_GRP_TYPE";
		case ESP_GATT_INSUF_RESOURCE:
			return "ESP_GATT_INSUF_RESOURCE";
		case ESP_GATT_NO_RESOURCES:
			return "ESP_GATT_NO_RESOURCES";
		case ESP_GATT_INTERNAL_ERROR:
			return "ESP_GATT_INTERNAL_ERROR";
		case ESP_GATT_WRONG_STATE:
			return "ESP_GATT_WRONG_STATE";
		case ESP_GATT_DB_FULL:
			return "ESP_GATT_DB_FULL";
		case ESP_GATT_BUSY:
			return "ESP_GATT_BUSY";
		case ESP_GATT_ERROR:
			return "ESP_GATT_ERROR";
		case ESP_GATT_CMD_STARTED:
			return "ESP_GATT_CMD_STARTED";
		case ESP_GATT_ILLEGAL_PARAMETER:
			return "ESP_GATT_ILLEGAL_PARAMETER";
		case ESP_GATT_PENDING:
			return "ESP_GATT_PENDING";
		case ESP_GATT_AUTH_FAIL:
			return "ESP_GATT_AUTH_FAIL";
		case ESP_GATT_MORE:
			return "ESP_GATT_MORE";
		case ESP_GATT_INVALID_CFG:
			return "ESP_GATT_INVALID_CFG";
		case ESP_GATT_SERVICE_STARTED:
			return "ESP_GATT_SERVICE_STARTED";
		case ESP_GATT_ENCRYPED_NO_MITM:
			return "ESP_GATT_ENCRYPED_NO_MITM";
		case ESP_GATT_NOT_ENCRYPTED:
			return "ESP_GATT_NOT_ENCRYPTED";
		case ESP_GATT_CONGESTED:
			return "ESP_GATT_CONGESTED";
		case ESP_GATT_DUP_REG:
			return "ESP_GATT_DUP_REG";
		case ESP_GATT_ALREADY_OPEN:
			return "ESP_GATT_ALREADY_OPEN";
		case ESP_GATT_CANCEL:
			return "ESP_GATT_CANCEL";
		case ESP_GATT_STACK_RSP:
			return "ESP_GATT_STACK_RSP";
		case ESP_GATT_APP_RSP:
			return "ESP_GATT_APP_RSP";
		case ESP_GATT_UNKNOWN_ERROR:
			return "ESP_GATT_UNKNOWN_ERROR";
		case ESP_GATT_CCC_CFG_ERR:
			return "ESP_GATT_CCC_CFG_ERR";
		case ESP_GATT_PRC_IN_PROGRESS:
			return "ESP_GATT_PRC_IN_PROGRESS";
		case ESP_GATT_OUT_OF_RANGE:
			return "ESP_GATT_OUT_OF_RANGE";
		default:
			return "Unknown";
	}
} // gattStatusToString



std::string BLEUtils::getMember(uint32_t memberId) {
	member_t* p = (member_t *)members_ids;

	while (strlen(p->name) > 0) {
		if (p->assignedNumber == memberId) {
				return std::string(p->name);
		}
		p++;
	}
	return "Unknown";
}

/**
 * @brief convert a GAP search event to a string.
 * @param [in] searchEvt
 * @return The search event type as a string.
 */
const char* BLEUtils::searchEventTypeToString(esp_gap_search_evt_t searchEvt) {
	switch(searchEvt) {
		case ESP_GAP_SEARCH_INQ_RES_EVT:
			return "ESP_GAP_SEARCH_INQ_RES_EVT";
		case ESP_GAP_SEARCH_INQ_CMPL_EVT:
			return "ESP_GAP_SEARCH_INQ_CMPL_EVT";
		case ESP_GAP_SEARCH_DISC_RES_EVT:
			return "ESP_GAP_SEARCH_DISC_RES_EVT";
		case ESP_GAP_SEARCH_DISC_BLE_RES_EVT:
			return "ESP_GAP_SEARCH_DISC_BLE_RES_EVT";
		case ESP_GAP_SEARCH_DISC_CMPL_EVT:
			return "ESP_GAP_SEARCH_DISC_CMPL_EVT";
		case ESP_GAP_SEARCH_DI_DISC_CMPL_EVT:
			return "ESP_GAP_SEARCH_DI_DISC_CMPL_EVT";
		case ESP_GAP_SEARCH_SEARCH_CANCEL_CMPL_EVT:
			return "ESP_GAP_SEARCH_SEARCH_CANCEL_CMPL_EVT";
		default:
			ESP_LOGD(LOG_TAG, "Unknown event type: 0x%x", searchEvt);
			return "Unknown event type";
	}
} // searchEventTypeToString

#endif // CONFIG_BT_ENABLED
