Update project.pbxproj

This reverts commit 0f149448b3.

build-qdomyos-zwift-Qt_5_15_2_for_iOS-Debug/qdomyoszwift.xcodeproj/project.pbxproj

@@ -439,6 +439,8 @@
 		87B617F225F260150094A1CB /* moc_fitshowtreadmill.cpp in Compile Sources */ = {isa = PBXBuildFile; fileRef = 87B617EF25F260140094A1CB /* moc_fitshowtreadmill.cpp */; };
 		87B617F325F260150094A1CB /* moc_snodebike.cpp in Compile Sources */ = {isa = PBXBuildFile; fileRef = 87B617F025F260140094A1CB /* moc_snodebike.cpp */; };
 		87B617F425F260150094A1CB /* moc_screencapture.cpp in Compile Sources */ = {isa = PBXBuildFile; fileRef = 87B617F125F260150094A1CB /* moc_screencapture.cpp */; };
+		87B871902CE1E837009B06CA /* Zwift hub.pb.swift in Compile Sources */ = {isa = PBXBuildFile; fileRef = 87B8718F2CE1E837009B06CA /* Zwift hub.pb.swift */; };
+		87B871932CE1E94D009B06CA /* zwifthubbike.swift in Compile Sources */ = {isa = PBXBuildFile; fileRef = 87B871922CE1E94D009B06CA /* zwifthubbike.swift */; };
 		87BAC3BF2BA497160003E925 /* PrivacyInfo.xcprivacy in Copy Bundle Resources */ = {isa = PBXBuildFile; fileRef = 87BAC3BE2BA497160003E925 /* PrivacyInfo.xcprivacy */; };
 		87BAC3C12BA497350003E925 /* PrivacyInfo.xcprivacy in Resources */ = {isa = PBXBuildFile; fileRef = 87BAC3C02BA497350003E925 /* PrivacyInfo.xcprivacy */; };
 		87BAFE482B8CA7AA00065FCD /* moc_focustreadmill.cpp in Compile Sources */ = {isa = PBXBuildFile; fileRef = 87BAFE472B8CA7AA00065FCD /* moc_focustreadmill.cpp */; };
@@ -1362,6 +1364,8 @@
 		87B617EF25F260140094A1CB /* moc_fitshowtreadmill.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = moc_fitshowtreadmill.cpp; sourceTree = "<group>"; };
 		87B617F025F260140094A1CB /* moc_snodebike.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = moc_snodebike.cpp; sourceTree = "<group>"; };
 		87B617F125F260150094A1CB /* moc_screencapture.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = moc_screencapture.cpp; sourceTree = "<group>"; };
+		87B8718F2CE1E837009B06CA /* Zwift hub.pb.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = "Zwift hub.pb.swift"; path = "../src/devices/zwifthubbike/Zwift hub.pb.swift"; sourceTree = SOURCE_ROOT; };
+		87B871922CE1E94D009B06CA /* zwifthubbike.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = zwifthubbike.swift; path = ../src/devices/zwifthubbike/zwifthubbike.swift; sourceTree = SOURCE_ROOT; };
 		87BAC3BE2BA497160003E925 /* PrivacyInfo.xcprivacy */ = {isa = PBXFileReference; lastKnownFileType = text.xml; name = PrivacyInfo.xcprivacy; path = ../src/ios/PrivacyInfo.xcprivacy; sourceTree = "<group>"; };
 		87BAC3C02BA497350003E925 /* PrivacyInfo.xcprivacy */ = {isa = PBXFileReference; lastKnownFileType = text.xml; path = PrivacyInfo.xcprivacy; sourceTree = "<group>"; };
 		87BAFE472B8CA7AA00065FCD /* moc_focustreadmill.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = moc_focustreadmill.cpp; sourceTree = "<group>"; };
@@ -2079,6 +2083,7 @@
 		2EB56BE3C2D93CDAB0C52E67 /* Sources */ = {
 			isa = PBXGroup;
 			children = (
+				87B8718F2CE1E837009B06CA /* Zwift hub.pb.swift */,
 				87A083062C73361C00567A4E /* characteristicnotifier2ad9.h */,
 				8772B7F92CB5603A004AB8E9 /* deerruntreadmill.h */,
 				8772B7F62CB55E98004AB8E9 /* deerruntreadmill.cpp */,
@@ -2494,6 +2499,7 @@
 				8710707229C4A5E70094D0F3 /* GarminConnect.swift */,
 				87A2E0202B2B024200E6168F /* swiftDebug.h */,
 				8730A3912B404159007E336D /* zwift_protobuf_layer.swift */,
+				87B871922CE1E94D009B06CA /* zwifthubbike.swift */,
 			);
 			name = Sources;
 			sourceTree = "<group>";
@@ -3442,6 +3448,7 @@
 				87D269A325F535340076AA48 /* moc_skandikawiribike.cpp in Compile Sources */,
 				87F4FB5C29D550E00061BB4A /* moc_schwinn170bike.cpp in Compile Sources */,
 				87C5F0C226285E5F0067A1B5 /* emailaddress.cpp in Compile Sources */,
+				87B871902CE1E837009B06CA /* Zwift hub.pb.swift in Compile Sources */,
 				873824AF27E64706004F1B46 /* moc_characteristicwriteprocessor2ad9.cpp in Compile Sources */,
 				25F2400F80DAFBD41FE5CC75 /* fit_field.cpp in Compile Sources */,
 				873824E227E647A8004F1B46 /* dns.cpp in Compile Sources */,
@@ -3474,6 +3481,7 @@
 				87DF68B825E2673B00FCDA46 /* eslinkertreadmill.cpp in Compile Sources */,
 				87BCE6BD29F28F72001F70EB /* ypooelliptical.cpp in Compile Sources */,
 				87C7074327E4CF5900E79C46 /* keepbike.cpp in Compile Sources */,
+				87B871932CE1E94D009B06CA /* zwifthubbike.swift in Compile Sources */,
 				878C9E6928B77E7C00669129 /* nordictrackifitadbbike.cpp in Compile Sources */,
 				8798C8892733E10E003148B3 /* moc_strydrunpowersensor.cpp in Compile Sources */,
 				8781907E2615089D0085E656 /* peloton.cpp in Compile Sources */,
@@ -4068,7 +4076,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CODE_SIGN_ENTITLEMENTS = "../src/ios/qdomyos-zwift.entitlements";
 				COPY_PHASE_STRIP = NO;
-				CURRENT_PROJECT_VERSION = 933;
+				CURRENT_PROJECT_VERSION = 939;
 				DEVELOPMENT_TEAM = 6335M7T29D;
 				ENABLE_BITCODE = NO;
 				GCC_PREPROCESSOR_DEFINITIONS = "ADB_HOST=1";
@@ -4259,7 +4267,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CODE_SIGN_ENTITLEMENTS = "../src/ios/qdomyos-zwift.entitlements";
 				COPY_PHASE_STRIP = NO;
-				CURRENT_PROJECT_VERSION = 933;
+				CURRENT_PROJECT_VERSION = 939;
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				DEVELOPMENT_TEAM = 6335M7T29D;
 				ENABLE_BITCODE = NO;
@@ -4486,7 +4494,7 @@
 				CODE_SIGN_ENTITLEMENTS = "watchkit Extension/WatchKit Extension.entitlements";
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 933;
+				CURRENT_PROJECT_VERSION = 939;
 				DEVELOPMENT_TEAM = 6335M7T29D;
 				ENABLE_BITCODE = YES;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
@@ -4582,7 +4590,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGN_ENTITLEMENTS = "watchkit Extension/WatchKit Extension.entitlements";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 933;
+				CURRENT_PROJECT_VERSION = 939;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				DEVELOPMENT_TEAM = 6335M7T29D;
 				ENABLE_BITCODE = YES;
@@ -4674,7 +4682,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGN_ENTITLEMENTS = "watchkit Extension/WatchKit Extension.entitlements";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 933;
+				CURRENT_PROJECT_VERSION = 939;
 				DEVELOPMENT_ASSET_PATHS = "\"watchkit Extension/Preview Content\"";
 				ENABLE_BITCODE = YES;
 				ENABLE_PREVIEWS = YES;
@@ -4788,7 +4796,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGN_ENTITLEMENTS = "watchkit Extension/WatchKit Extension.entitlements";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 933;
+				CURRENT_PROJECT_VERSION = 939;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				DEVELOPMENT_ASSET_PATHS = "\"watchkit Extension/Preview Content\"";
 				ENABLE_BITCODE = YES;

src/android/src/ZwiftHub.java

@@ -0,0 +1,74 @@
+package org.cagnulen.qdomyoszwift;
+
+import android.app.ActivityManager;
+import android.app.Activity;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Build;
+import android.os.Bundle;
+import android.provider.Settings;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+import android.os.Looper;
+import android.os.Handler;
+import android.util.Log;
+import com.garmin.android.connectiq.ConnectIQ;
+import com.garmin.android.connectiq.ConnectIQAdbStrategy;
+import com.garmin.android.connectiq.IQApp;
+import com.garmin.android.connectiq.IQDevice;
+import com.garmin.android.connectiq.exception.InvalidStateException;
+import com.garmin.android.connectiq.exception.ServiceUnavailableException;
+import android.content.BroadcastReceiver;
+import android.content.ContextWrapper;
+import android.content.IntentFilter;
+import android.widget.Toast;
+
+import org.jetbrains.annotations.Nullable;
+
+import com.google.protobuf.InvalidProtocolBufferException;
+
+import java.util.HashMap;
+import java.util.List;
+
+public class ZwiftHub {
+
+    private static Context context;
+
+    private static final String TAG = "ZwiftHub: ";
+
+    public static byte[] inclinationCommand(double inclination) throws InvalidProtocolBufferException {
+        SimulationParam.Builder simulation = SimulationParam.newBuilder();
+        simulation.setInclineX100((int)(inclination * 100.0));
+
+        HubCommand.Builder command = HubCommand.newBuilder();
+        command.setSimulation(simulation.build());
+
+        byte[] data = command.build().toByteArray();
+        byte[] fullData = new byte[data.length + 1];
+        fullData[0] = 0x04;
+        System.arraycopy(data, 0, fullData, 1, data.length);
+
+        return fullData;
+    }
+
+    public static byte[] setGearCommand(int gears) throws InvalidProtocolBufferException {
+        PhysicalParam.Builder physical = PhysicalParam.newBuilder();
+        physical.setGearRatioX10000(gears);
+
+        HubCommand.Builder command = HubCommand.newBuilder();
+        command.setPhysical(physical.build());
+
+        byte[] data = command.build().toByteArray();
+        byte[] fullData = new byte[data.length + 1];
+        fullData[0] = 0x04;
+        System.arraycopy(data, 0, fullData, 1, data.length);
+
+        return fullData;
+    }
+}

src/android/src/main/proto/zwift_hub.proto

@@ -0,0 +1,162 @@
+syntax = "proto2";
+package org.cagnulen.qdomyoszwift;
+
+//-------------- Zwift Hub messages
+// The command code prepending this message is 0x00
+// This message is sent always following the change of the gear ratio probably to verify it was received properly
+message HubRequest {
+	optional uint32 DataId = 1;				// Value observed 520 and 0, 0 requests general info, 1-7 are the fields# in DeviceInformationContent, 520 requests the gear ratio
+											// 512 to 534 responds unidentifiable data
+}
+
+// The command code prepending this message is 0x03
+message HubRidingData {
+	optional uint32 Power = 1;
+	optional uint32 Cadence = 2;
+	optional uint32 SpeedX100 = 3;
+	optional uint32 HR = 4;
+	optional uint32 Unknown1 = 5;				// Values observed 0 when stopped, 2864, 4060, 4636, 6803
+	optional uint32 Unknown2 = 6;				// Values observed 25714, 30091 (constant during session)
+}
+
+message SimulationParam {
+	optional sint32 Wind = 1;					// Wind in m/s * 100. In zwift there is no wind (0). Negative is backwind
+	optional sint32 InclineX100 = 2;			// Incline value * 100  
+	optional uint32 CWa = 3;					// Wind coefficient CW * a * 10000. In zwift this is constant 0.51 (5100) 
+	optional uint32 Crr = 4;					// Rolling resistance Crr * 100000. In zwift this is constant 0.004 (400)
+}
+
+message PhysicalParam {
+	optional uint32 GearRatioX10000 = 2;
+	optional uint32 BikeWeightx100 = 4;
+	optional uint32 RiderWeightx100 = 5;
+}
+
+// The command code prepending this message is 0x04
+message HubCommand {
+	optional uint32 PowerTarget = 3;
+	optional SimulationParam Simulation = 4;
+	optional PhysicalParam Physical = 5;
+}
+
+//---------------- Zwift Play messages
+
+enum PlayButtonStatus {
+	ON = 0;
+	OFF = 1;
+}
+// The command code prepending this message is 0x07
+message PlayKeyPadStatus {
+	optional PlayButtonStatus RightPad = 1;
+	optional PlayButtonStatus Button_Y_Up = 2;
+	optional PlayButtonStatus Button_Z_Left = 3;
+	optional PlayButtonStatus Button_A_Right = 4;
+	optional PlayButtonStatus Button_B_Down = 5;
+	optional PlayButtonStatus Button_On = 6;
+	optional PlayButtonStatus Button_Shift = 7;
+	optional sint32 Analog_LR = 8;
+	optional sint32 Analog_UD = 9;
+}
+
+
+message PlayCommandParameters {
+	optional uint32 param1 = 1;
+	optional uint32 param2 = 2;
+	optional uint32 HapticPattern = 3;
+}
+
+message PlayCommandContents {
+	optional PlayCommandParameters CommandParameters = 1;
+}
+
+// The command code prepending this message is 0x12
+// This is sent to the control point to configure and make the controller vibrate 
+message PlayCommand {
+	optional PlayCommandContents CommandContents = 2;
+}
+
+// The command code prepending this message is 0x19
+// This is sent periodically when there are no button presses
+message Idle {
+	optional uint32 Unknown2 = 2;
+}
+
+//----------------- Zwift Ride messages
+enum RideButtonMask {
+	LEFT_BTN      = 0x00001;
+	UP_BTN        = 0x00002;
+	RIGHT_BTN     = 0x00004;
+	DOWN_BTN      = 0x00008;
+	A_BTN         = 0x00010;
+	B_BTN         = 0x00020;
+	Y_BTN         = 0x00040;
+
+	Z_BTN         = 0x00100;
+	SHFT_UP_L_BTN = 0x00200;
+	SHFT_DN_L_BTN = 0x00400;
+	POWERUP_L_BTN = 0x00800;
+	ONOFF_L_BTN   = 0x01000;
+	SHFT_UP_R_BTN = 0x02000;
+	SHFT_DN_R_BTN = 0x04000;
+
+	POWERUP_R_BTN = 0x10000;
+	ONOFF_R_BTN   = 0x20000;
+}
+
+enum RideAnalogLocation {
+	LEFT = 0;
+	RIGHT = 1;
+	UP = 2;
+	DOWN = 3;
+}
+
+message RideAnalogKeyPress {
+	optional RideAnalogLocation Location = 1;
+	optional sint32 AnalogValue = 2;
+}
+
+message RideAnalogKeyGroup {
+	repeated RideAnalogKeyPress GroupStatus = 1;
+}
+
+// The command code prepending this message is 0x23
+message RideKeyPadStatus {
+	optional uint32 ButtonMap = 1;
+	optional RideAnalogKeyGroup AnalogButtons = 2;
+}
+
+//------------------ Zwift Click messages
+// The command code prepending this message is 0x37
+message ClickKeyPadStatus {
+	optional PlayButtonStatus Button_Plus = 1;
+	optional PlayButtonStatus Button_Minus = 2;
+}
+
+//------------------ Device Information requested after connection
+// The command code prepending this message is 0x3c
+message DeviceInformationContent {
+	optional uint32 Unknown1 = 1;
+	repeated uint32 SoftwareVersion = 2;
+	optional string DeviceName = 3;
+	optional uint32 Unknown4 = 4;
+	optional uint32 Unknown5 =5;
+	optional string SerialNumber = 6;
+	optional string HardwareVersion = 7;
+	repeated uint32 ReplyData = 8;
+	optional uint32 Unknown9 = 9;
+	optional uint32 Unknown10 = 10;
+	optional uint32 Unknown13 = 13;
+}
+
+message SubContent {
+	optional DeviceInformationContent Content = 1;
+	optional uint32 Unknown2 = 2;
+	optional uint32 Unknown4 = 4;	
+	optional uint32 Unknown5 = 5;
+	optional uint32 Unknown6 = 6;
+}
+
+message DeviceInformation {
+	optional uint32 InformationId = 1;
+	optional SubContent SubContent = 2;
+}

src/devices/ftmsbike/ftmsbike.cpp

@@ -15,6 +15,7 @@
 #include "keepawakehelper.h"
 #endif
 #include <chrono>
+#include "wheelcircumference.h"
 
 #ifdef Q_OS_IOS
 extern quint8 QZ_EnableDiscoveryCharsAndDescripttors;
@@ -35,6 +36,8 @@ ftmsbike::ftmsbike(bool noWriteResistance, bool noHeartService, int8_t bikeResis
     initDone = false;
     connect(refresh, &QTimer::timeout, this, &ftmsbike::update);
     refresh->start(settings.value(QZSettings::poll_device_time, QZSettings::default_poll_device_time).toInt());
+    wheelCircumference::GearTable g;
+    g.printTable();
 }
 
 void ftmsbike::writeCharacteristicZwiftPlay(uint8_t *data, uint8_t data_len, const QString &info, bool disable_log,
@@ -83,6 +86,11 @@ bool ftmsbike::writeCharacteristic(uint8_t *data, uint8_t data_len, const QStrin
         qDebug() << QStringLiteral("gattFTMSService is null!");
         return false;
     }
+    
+    if(zwiftPlayService) {
+        qDebug() << QStringLiteral("zwiftPlayService is present!");
+        return false;
+    }
 
     if (wait_for_response) {
         connect(gattFTMSService, &QLowEnergyService::characteristicChanged, &loop, &QEventLoop::quit);
@@ -130,9 +138,8 @@ void ftmsbike::init() {
 
 void ftmsbike::zwiftPlayInit() {
     QSettings settings;
-    bool gears_zwift_ratio = settings.value(QZSettings::gears_zwift_ratio, QZSettings::default_gears_zwift_ratio).toBool();
 
-    if(zwiftPlayService && gears_zwift_ratio) {
+    if(zwiftPlayService) {
         uint8_t rideOn[] = {0x52, 0x69, 0x64, 0x65, 0x4f, 0x6e, 0x02, 0x01};
         writeCharacteristicZwiftPlay(rideOn, sizeof(rideOn), "rideOn", false, true);
 
@@ -296,102 +303,51 @@ void ftmsbike::update() {
         }
 
         QSettings settings;
-        bool gears_zwift_ratio = settings.value(QZSettings::gears_zwift_ratio, QZSettings::default_gears_zwift_ratio).toBool();
-        if(zwiftPlayService && gears_zwift_ratio && lastGearValue != gears()) {
-            uint8_t gear1[] = {0x04, 0x2a, 0x03, 0x10, 0xdc, 0xec};
-            uint8_t gear2[] = {0x04, 0x2a, 0x04, 0x10, 0xdc, 0xec, 0x01};
-            uint32_t gear_value = 0;
+        if(zwiftPlayService && lastGearValue != gears()) {
+            QSettings settings;
+            wheelCircumference::GearTable table;
+            wheelCircumference::GearTable::GearInfo g = table.getGear((int)gears());
+            double original_ratio = ((double)settings.value(QZSettings::gear_crankset_size, QZSettings::default_gear_crankset_size).toDouble()) /
+            ((double)settings.value(QZSettings::gear_cog_size, QZSettings::default_gear_cog_size).toDouble());
+            
+            double current_ratio = ((double)g.crankset / (double)g.rearCog);
+            
+            uint32_t gear_value = static_cast<uint32_t>(10000.0 * (current_ratio/original_ratio) * (42.0/14.0));
+            
+            qDebug() << "zwift hub gear current ratio" << current_ratio << g.crankset << g.rearCog << "gear_value" << gear_value << "original_ratio" << original_ratio;
+ 
+#ifdef Q_OS_IOS
+#ifndef IO_UNDER_QT
+            QByteArray proto = lockscreen::zwift_hub_setGearsCommand(gear_value);
+#else
+            QByteArray proto;
+#endif
+#elif defined Q_OS_ANDROID
+            QAndroidJniObject result = QAndroidJniObject::callStaticObjectMethod(
+                "org/cagnulen/qdomyoszwift/ZwiftHub",
+                "setGearCommand",
+                "(I)[B",
+                gear_value);
 
-            switch((int)gears()) {
-                case 1:
-                    gear_value = 0x3acc;
-                    break;
-                case 2:
-                    gear_value = 0x43fc;
-                    break;
-                case 3:
-                    gear_value = 0x4dac;
-                    break;
-                case 4:
-                    gear_value = 0x56d5;
-                    break;
-                case 5:
-                    gear_value = 0x608c;
-                    break;
-                case 6:
-                    gear_value = 0x6be8;
-                    break;
-                case 7:
-                    gear_value = 0x77c4;
-                    break;
-                case 8:
-                    gear_value = 0x183a0;
-                    break;
-                case 9:
-                    gear_value = 0x191a8;
-                    break;
-                case 10:
-                    gear_value = 0x19fb0;
-                    break;
-                case 11:
-                    gear_value = 0x1adb8;
-                    break;
-                case 12:
-                    gear_value = 0x1bbc0;
-                    break;
-                case 13:
-                    gear_value = 0x1cbf3;
-                    break;
-                case 14:
-                    gear_value = 0x1dca8;
-                    break;
-                case 15:
-                    gear_value = 0x1ecdc;
-                    break;
-                case 16:
-                    gear_value = 0x1fd90;
-                    break;
-                case 17:
-                    gear_value = 0x290d4;
-                    break;
-                case 18:
-                    gear_value = 0x2a498;
-                    break;
-                case 19:
-                    gear_value = 0x2b7dc;
-                    break;
-                case 20:
-                    gear_value = 0x2cb9f;
-                    break;
-                case 21:
-                    gear_value = 0x2e2d8;
-                    break;
-                case 22:
-                    gear_value = 0x2fa90;
-                    break;
-                case 23:
-                    gear_value = 0x391c8;
-                    break;
-                case 24:
-                    gear_value = 0x3acf3;
-                    break;
-                default:
-                    // Gestione del caso di default
-                    break;
+            if (!result.isValid()) {
+                qDebug() << "setGearCommand returned invalid value";
+                return;
             }
 
-            gear_value = gear_value * settings.value(QZSettings::gears_gain, QZSettings::default_gears_gain).toDouble();
+            jbyteArray array = result.object<jbyteArray>();
+            QAndroidJniEnvironment env;
+            jbyte* bytes = env->GetByteArrayElements(array, nullptr);
+            jsize length = env->GetArrayLength(array);
 
-            if(gear_value < 0x10000) {
-                gear1[4] = gear_value & 0xFF;
-                gear1[5] = ((gear_value & 0xFF00) >> 8) & 0xFF;
-                writeCharacteristicZwiftPlay(gear1, sizeof(gear1), "gear", false, true);
-            } else {
-                gear2[4] = gear_value & 0xFF;
-                gear2[5] = ((gear_value & 0xFF00) >> 8) & 0xFF;
-                gear2[6] = ((gear_value & 0xFF0000) >> 16) & 0xFF;
-                writeCharacteristicZwiftPlay(gear2, sizeof(gear2), "gear", false, true);
-            }
+            QByteArray proto((char*)bytes, length);
+
+            env->ReleaseByteArrayElements(array, bytes, JNI_ABORT);
+#else
+            QByteArray proto;
+            qDebug() << "ERROR: gear message not handled!";
+            return;
+#endif
+            writeCharacteristicZwiftPlay((uint8_t*)proto.data(), proto.length(), "gear", false, true);
 
             uint8_t gearApply[] = {0x00, 0x08, 0x88, 0x04};
             writeCharacteristicZwiftPlay(gearApply, sizeof(gearApply), "gearApply", false, true);
@@ -1053,13 +1009,12 @@ void ftmsbike::ftmsCharacteristicChanged(const QLowEnergyCharacteristic &charact
 
     QByteArray b = newValue;
     QSettings settings;
-    bool gears_zwift_ratio = settings.value(QZSettings::gears_zwift_ratio, QZSettings::default_gears_zwift_ratio).toBool();
 
     if (gattWriteCharControlPointId.isValid()) {
         qDebug() << "routing FTMS packet to the bike from virtualbike" << characteristic.uuid() << newValue.toHex(' ');
 
         // handling gears
-        if (b.at(0) == FTMS_SET_INDOOR_BIKE_SIMULATION_PARAMS && ((zwiftPlayService == nullptr && gears_zwift_ratio) || !gears_zwift_ratio)) {
+        if (b.at(0) == FTMS_SET_INDOOR_BIKE_SIMULATION_PARAMS && zwiftPlayService == nullptr) {
             double min_inclination = settings.value(QZSettings::min_inclination, QZSettings::default_min_inclination).toDouble();
             lastPacketFromFTMS.clear();
             for(int i=0; i<b.length(); i++)
@@ -1076,18 +1031,46 @@ void ftmsbike::ftmsCharacteristicChanged(const QLowEnergyCharacteristic &charact
             }
 
             b[3] = slope & 0xFF;
-            b[4] = slope >> 8;
-            
+            b[4] = slope >> 8;            
+
             qDebug() << "applying gears mod" << gears() << slope;
-        /*} else if(b.at(0) == FTMS_SET_INDOOR_BIKE_SIMULATION_PARAMS && zwiftPlayService != nullptr && gears_zwift_ratio) {
+        } else if(b.at(0) == FTMS_SET_INDOOR_BIKE_SIMULATION_PARAMS && zwiftPlayService != nullptr) {
             int16_t slope = (((uint8_t)b.at(3)) + (b.at(4) << 8));
-            uint8_t gear2[] = {0x04, 0x22, 0x02, 0x10, 0x00};
-            int g = (int)(((double)slope / 100.0) + settings.value(QZSettings::gears_offset, QZSettings::default_gears_offset).toDouble());
-            if(g < 0) {
-                g = 0;
+            
+#ifdef Q_OS_IOS
+#ifndef IO_UNDER_QT
+            QByteArray message = lockscreen::zwift_hub_inclinationCommand(((double)slope) / 100.0);
+#else
+            QByteArray message;
+#endif
+#elif defined(Q_OS_ANDROID)
+            QAndroidJniObject result = QAndroidJniObject::callStaticObjectMethod(
+                "org/cagnulen/qdomyoszwift/ZwiftHub",
+                "inclinationCommand",
+                "(D)[B",
+                slope);
+
+            if(!result.isValid()) {
+                qDebug() << "inclinationCommand returned invalid value";
             }
-            gear2[4] = g;
-            writeCharacteristicZwiftPlay(gear2, sizeof(gear2), "gearInclination", false, false);*/
+
+            jbyteArray array = result.object<jbyteArray>();
+            QAndroidJniEnvironment env;
+            jbyte* bytes = env->GetByteArrayElements(array, nullptr);
+            jsize length = env->GetArrayLength(array);
+
+            QByteArray message((char*)bytes, length);
+
+            env->ReleaseByteArrayElements(array, bytes, JNI_ABORT);
+#else
+            qDebug() << "implement zwift hub protobuf!";
+            return;
+#endif
+            writeCharacteristicZwiftPlay((uint8_t*)message.data(), message.length(), "gearInclination", false, false);
+            return;
+        } else if(b.at(0) == FTMS_SET_TARGET_POWER && zwiftPlayService != nullptr) {
+            qDebug() << "discarding";
+            return;
         } else if(b.at(0) == FTMS_SET_TARGET_POWER && b.length() > 2) {
             lastPacketFromFTMS.clear();
             for(int i=0; i<b.length(); i++)
@@ -1257,3 +1240,19 @@ void ftmsbike::controllerStateChanged(QLowEnergyController::ControllerState stat
         m_control->connectToDevice();
     }
 }
+
+double ftmsbike::maxGears() {
+    if(zwiftPlayService != nullptr) {
+        wheelCircumference::GearTable g;
+        return g.maxGears;
+    } else {
+        return 9999.0;
+    }
+}
+
+double ftmsbike::minGears() {
+    if(zwiftPlayService != nullptr)
+        return 1;
+    else
+        return -9999.0;
+}

src/devices/ftmsbike/ftmsbike.h

@@ -26,6 +26,7 @@
 #include <QObject>
 #include <QString>
 
+#include "wheelcircumference.h"
 #include "devices/bike.h"
 
 #ifdef Q_OS_IOS
@@ -73,6 +74,8 @@ class ftmsbike : public bike {
     resistance_t pelotonToBikeResistance(int pelotonResistance) override;
     resistance_t maxResistance() override { return max_resistance; }
     resistance_t resistanceFromPowerRequest(uint16_t power) override;
+    double maxGears() override;
+    double minGears() override;
 
   private:
     bool writeCharacteristic(uint8_t *data, uint8_t data_len, const QString &info, bool disable_log = false,

src/devices/wahookickrsnapbike/wahookickrsnapbike.cpp

@@ -32,7 +32,7 @@ wahookickrsnapbike::wahookickrsnapbike(bool noWriteResistance, bool noHeartServi
     connect(refresh, &QTimer::timeout, this, &wahookickrsnapbike::update);
     QSettings settings;
     refresh->start(settings.value(QZSettings::poll_device_time, QZSettings::default_poll_device_time).toInt());
-    GearTable g;
+    wheelCircumference::GearTable g;
     g.printTable();
 }
 
@@ -197,7 +197,7 @@ void wahookickrsnapbike::update() {
         }
         QThread::msleep(700);
 
-        QByteArray d = setWheelCircumference(gearsToWheelDiameter(gears()));
+        QByteArray d = setWheelCircumference(wheelCircumference::gearsToWheelDiameter(gears()));
         uint8_t e[20];
         setGears(settings.value(QZSettings::gears_current_value, QZSettings::default_gears_current_value).toDouble());
         memcpy(e, d.constData(), d.length());
@@ -271,7 +271,7 @@ void wahookickrsnapbike::update() {
         }
 
         if (lastGearValue != gears()) {
-            QByteArray a = setWheelCircumference(gearsToWheelDiameter(gears()));
+            QByteArray a = setWheelCircumference(wheelCircumference::gearsToWheelDiameter(gears()));
             uint8_t b[20];
             memcpy(b, a.constData(), a.length());
             writeCharacteristic(b, a.length(), "setWheelCircumference", false, false);
@@ -295,17 +295,6 @@ void wahookickrsnapbike::update() {
     }
 }
 
-double wahookickrsnapbike::gearsToWheelDiameter(double gear) {
-    QSettings settings;
-    GearTable table;
-    if(gear < 1) gear = 1;
-    else if(gear > table.maxGears) gear = table.maxGears;
-    double original_ratio = ((double)settings.value(QZSettings::gear_crankset_size, QZSettings::default_gear_crankset_size).toDouble()) / ((double)settings.value(QZSettings::gear_cog_size, QZSettings::default_gear_cog_size).toDouble());
-    GearTable::GearInfo g = table.getGear((int)gear);
-    double current_ratio =  ((double)g.crankset / (double)g.rearCog);
-    return (((double)settings.value(QZSettings::gear_circumference, QZSettings::default_gear_circumference).toDouble()) / original_ratio) * ((double)current_ratio);
-}
-
 void wahookickrsnapbike::serviceDiscovered(const QBluetoothUuid &gatt) {
     emit debug(QStringLiteral("serviceDiscovered ") + gatt.toString());
 }
@@ -872,7 +861,7 @@ bool wahookickrsnapbike::inclinationAvailableByHardware() {
 }
 
 double wahookickrsnapbike::maxGears() {
-    GearTable g;
+    wheelCircumference::GearTable g;
     return g.maxGears;
 }
 

src/devices/wahookickrsnapbike/wahookickrsnapbike.h

@@ -26,6 +26,7 @@
 #include <QObject>
 #include <QString>
 
+#include "wheelcircumference.h"
 #include "devices/bike.h"
 #include "virtualdevices/virtualbike.h"
 
@@ -113,87 +114,6 @@ class wahookickrsnapbike : public bike {
 
     resistance_t lastForcedResistance = -1;    
 
-    double gearsToWheelDiameter(double gear);
-
-    class GearTable {
-      public:
-
-        int maxGears = 12;
-
-        struct GearInfo {
-            int gear;
-            int crankset;
-            int rearCog;
-        };
-
-        void loadGearSettings() {
-            QSettings settings;
-
-            QString gearConfig = settings.value("gear_configuration").toString();
-            if (gearConfig.isEmpty()) {
-
-                gearConfig = "1|38|44|true\n2|38|38|true\n3|38|32|true\n4|38|28|true\n"
-                             "5|38|24|true\n6|38|21|true\n7|38|19|true\n8|38|17|true\n"
-                             "9|38|15|true\n10|38|13|true\n11|38|11|true\n12|38|10|true";
-            }
-
-            gears.clear();
-            maxGears = 0;
-
-                   // Parsa la configurazione
-            QStringList rows = gearConfig.split('\n');
-            for (const QString& row : rows) {
-                QStringList parts = row.split('|');
-                if (parts.size() >= 4 && (parts[3] == "true")) {
-                    GearInfo config;
-                    config.gear = parts[0].toInt();
-                    config.crankset = parts[1].toInt();
-                    config.rearCog = parts[2].toInt();
-
-                    gears.push_back(config);
-                    maxGears = qMax(maxGears, config.gear);
-                }
-            }
-        }
-
-        void addGear(int gear, int crankset, int rearCog) {
-            gears.push_back({gear, crankset, rearCog});
-        }
-
-        void removeGear(int gear) {
-            gears.erase(std::remove_if(gears.begin(), gears.end(),
-                                       [gear](const GearInfo& info) { return info.gear == gear; }),
-                        gears.end());
-        }
-
-        void printTable() const {
-            qDebug() << "| Gear | Crankset | Rear Cog |\n";
-            qDebug() << "|------|----------|----------|\n";
-            for (const auto& gear : gears) {
-                qDebug()  << "| " << gear.gear << " | " << gear.crankset
-                          << " | " << gear.rearCog << " |\n";
-            }
-        }
-
-        GearInfo getGear(int gearNumber) const {
-            auto it = std::find_if(gears.begin(), gears.end(),
-                                   [gearNumber](const GearInfo& info) { return info.gear == gearNumber; });
-
-            if (it != gears.end()) {
-                return *it;
-            }
-            return GearInfo();
-        }
-
-        GearTable() {
-            loadGearSettings();
-        }
-
-      private:
-        std::vector<GearInfo> gears;
-    };    
-
-
 #ifdef Q_OS_IOS
     lockscreen *h = 0;
 #endif

src/devices/zwifthubbike/Zwift hub.proto

@@ -0,0 +1,165 @@
+syntax = "proto2";
+package BLEReceiver.Zwift;
+
+option csharp_namespace = "BLEReceiver.Ble.Devices.Services.Protobuf.Zwift";
+
+
+//-------------- Zwift Hub messages
+// The command code prepending this message is 0x00
+// This message is sent always following the change of the gear ratio probably to verify it was received properly
+message HubRequest {
+	optional uint32 DataId = 1;				// Value observed 520 and 0, 0 requests general info, 1-7 are the fields# in DeviceInformationContent, 520 requests the gear ratio
+											// 512 to 534 responds unidentifiable data
+}
+
+// The command code prepending this message is 0x03
+message HubRidingData {
+	optional uint32 Power = 1;
+	optional uint32 Cadence = 2;
+	optional uint32 SpeedX100 = 3;
+	optional uint32 HR = 4;
+	optional uint32 Unknown1 = 5;				// Values observed 0 when stopped, 2864, 4060, 4636, 6803
+	optional uint32 Unknown2 = 6;				// Values observed 25714, 30091 (constant during session)
+}
+
+message SimulationParam {
+	optional sint32 Wind = 1;					// Wind in m/s * 100. In zwift there is no wind (0). Negative is backwind
+	optional sint32 InclineX100 = 2;			// Incline value * 100  
+	optional uint32 CWa = 3;					// Wind coefficient CW * a * 10000. In zwift this is constant 0.51 (5100) 
+	optional uint32 Crr = 4;					// Rolling resistance Crr * 100000. In zwift this is constant 0.004 (400)
+}
+
+message PhysicalParam {
+	optional uint32 GearRatioX10000 = 2;
+	optional uint32 BikeWeightx100 = 4;
+	optional uint32 RiderWeightx100 = 5;
+}
+
+// The command code prepending this message is 0x04
+message HubCommand {
+	optional uint32 PowerTarget = 3;
+	optional SimulationParam Simulation = 4;
+	optional PhysicalParam Physical = 5;
+}
+
+//---------------- Zwift Play messages
+
+enum PlayButtonStatus {
+	ON = 0;
+	OFF = 1;
+}
+// The command code prepending this message is 0x07
+message PlayKeyPadStatus {
+	optional PlayButtonStatus RightPad = 1;
+	optional PlayButtonStatus Button_Y_Up = 2;
+	optional PlayButtonStatus Button_Z_Left = 3;
+	optional PlayButtonStatus Button_A_Right = 4;
+	optional PlayButtonStatus Button_B_Down = 5;
+	optional PlayButtonStatus Button_On = 6;
+	optional PlayButtonStatus Button_Shift = 7;
+	optional sint32 Analog_LR = 8;
+	optional sint32 Analog_UD = 9;
+}
+
+
+message PlayCommandParameters {
+	optional uint32 param1 = 1;
+	optional uint32 param2 = 2;
+	optional uint32 HapticPattern = 3;
+}
+
+message PlayCommandContents {
+	optional PlayCommandParameters CommandParameters = 1;
+}
+
+// The command code prepending this message is 0x12
+// This is sent to the control point to configure and make the controller vibrate 
+message PlayCommand {
+	optional PlayCommandContents CommandContents = 2;
+}
+
+// The command code prepending this message is 0x19
+// This is sent periodically when there are no button presses
+message Idle {
+	optional uint32 Unknown2 = 2;
+}
+
+//----------------- Zwift Ride messages
+enum RideButtonMask {
+	LEFT_BTN      = 0x00001;
+	UP_BTN        = 0x00002;
+	RIGHT_BTN     = 0x00004;
+	DOWN_BTN      = 0x00008;
+	A_BTN         = 0x00010;
+	B_BTN         = 0x00020;
+	Y_BTN         = 0x00040;
+
+	Z_BTN         = 0x00100;
+	SHFT_UP_L_BTN = 0x00200;
+	SHFT_DN_L_BTN = 0x00400;
+	POWERUP_L_BTN = 0x00800;
+	ONOFF_L_BTN   = 0x01000;
+	SHFT_UP_R_BTN = 0x02000;
+	SHFT_DN_R_BTN = 0x04000;
+
+	POWERUP_R_BTN = 0x10000;
+	ONOFF_R_BTN   = 0x20000;
+}
+
+enum RideAnalogLocation {
+	LEFT = 0;
+	RIGHT = 1;
+	UP = 2;
+	DOWN = 3;
+}
+
+message RideAnalogKeyPress {
+	optional RideAnalogLocation Location = 1;
+	optional sint32 AnalogValue = 2;
+}
+
+message RideAnalogKeyGroup {
+	repeated RideAnalogKeyPress GroupStatus = 1;
+}
+
+// The command code prepending this message is 0x23
+message RideKeyPadStatus {
+	optional uint32 ButtonMap = 1;
+	optional RideAnalogKeyGroup AnalogButtons = 2;
+}
+
+//------------------ Zwift Click messages
+// The command code prepending this message is 0x37
+message ClickKeyPadStatus {
+	optional PlayButtonStatus Button_Plus = 1;
+	optional PlayButtonStatus Button_Minus = 2;
+}
+
+//------------------ Device Information requested after connection
+// The command code prepending this message is 0x3c
+message DeviceInformationContent {
+	optional uint32 Unknown1 = 1;
+	repeated uint32 SoftwareVersion = 2;
+	optional string DeviceName = 3;
+	optional uint32 Unknown4 = 4;
+	optional uint32 Unknown5 =5;
+	optional string SerialNumber = 6;
+	optional string HardwareVersion = 7;
+	repeated uint32 ReplyData = 8;
+	optional uint32 Unknown9 = 9;
+	optional uint32 Unknown10 = 10;
+	optional uint32 Unknown13 = 13;
+}
+
+message SubContent {
+	optional DeviceInformationContent Content = 1;
+	optional uint32 Unknown2 = 2;
+	optional uint32 Unknown4 = 4;	
+	optional uint32 Unknown5 = 5;
+	optional uint32 Unknown6 = 6;
+}
+
+message DeviceInformation {
+	optional uint32 InformationId = 1;
+	optional SubContent SubContent = 2;
+}

src/devices/zwifthubbike/zwifthubbike.swift

@@ -0,0 +1,38 @@
+//
+//  zwifthubbike.swift
+//  qdomyoszwift
+//
+//  Created by Roberto Viola on 11/11/24.
+//
+
+import Foundation
+
+@objc public class ZwiftHubBike : NSObject {
+    @objc public static func inclinationCommand(inclination: Double) throws -> Data {
+        var simulation = BLEReceiver_Zwift_SimulationParam()
+        simulation.inclineX100 = Int32(inclination * 100.0)
+        
+        var command = BLEReceiver_Zwift_HubCommand()
+        command.simulation = simulation
+        
+        let data = try command.serializedData()    
+        var fullData = Data([0x04])
+        fullData.append(data)
+        
+        return fullData
+    }
+    
+    @objc public static func setGearCommand(gears: UInt32) throws -> Data {
+        var physical = BLEReceiver_Zwift_PhysicalParam()
+        physical.gearRatioX10000 = gears
+        
+        var command = BLEReceiver_Zwift_HubCommand()
+        command.physical = physical
+        
+        let data = try command.serializedData()
+        var fullData = Data([0x04])
+        fullData.append(data)
+        
+        return fullData
+    }
+}

src/ios/lockscreen.h

@@ -1,6 +1,8 @@
 #ifndef LOCKSCREEN_H
 #define LOCKSCREEN_H
 
+#include <QByteArray>
+
 class lockscreen {
   public:
     void setTimerDisabled();
@@ -78,6 +80,10 @@ class lockscreen {
     float zwift_api_getlatitude();
     float zwift_api_getlongitude();
     
+    // Zwift Hub Protobuf
+    static QByteArray zwift_hub_inclinationCommand(double inclination);
+    static QByteArray zwift_hub_setGearsCommand(unsigned int gears);
+    
     // quick actions    
     static void set_action_profile(const char* profile);
     static const char* get_action_profile();

src/ios/lockscreen.mm

@@ -341,4 +341,32 @@ float lockscreen::zwift_api_getlatitude() {
 float lockscreen::zwift_api_getlongitude() {
     return [zwiftProtobufLayer getLongitude];
 }
+
+QByteArray lockscreen::zwift_hub_inclinationCommand(double inclination) {
+    NSError *error = nil;
+    NSData *command = [ZwiftHubBike inclinationCommandWithInclination:inclination error:&error];
+
+    if (error) {
+        qDebug() << "error zwift_hub_inclinationCommand: " << error;
+        return QByteArray();
+    } else {
+        const char* bytes = static_cast<const char*>([command bytes]);
+        NSUInteger length = [command length];
+        return QByteArray(bytes, length);
+    }
+}
+
+QByteArray lockscreen::zwift_hub_setGearsCommand(unsigned int gears) {
+    NSError *error = nil;
+    NSData *command = [ZwiftHubBike setGearCommandWithGears:gears error:&error];
+
+    if (error) {
+        qDebug() << "error zwift_hub_setGearsCommand: " << error;
+        return QByteArray();
+    } else {
+        const char* bytes = static_cast<const char*>([command bytes]);
+        NSUInteger length = [command length];
+        return QByteArray(bytes, length);
+    }
+}
 #endif

src/main.cpp

@@ -331,6 +331,50 @@ int main(int argc, char *argv[]) {
     app->setOrganizationDomain(QStringLiteral("robertoviola.cloud"));
     app->setApplicationName(QStringLiteral("qDomyos-Zwift"));
 
+    /* TEST ZWIFT HUB */
+#ifdef Q_OS_ANDROID
+            QAndroidJniObject rrr = QAndroidJniObject::callStaticObjectMethod(
+                "org/cagnulen/qdomyoszwift/ZwiftHub",
+                "inclinationCommand",
+                "(D)[B",
+                8.0);
+
+            if(!rrr.isValid()) {
+                qDebug() << "inclinationCommand returned invalid value";
+            }
+
+            jbyteArray array = rrr.object<jbyteArray>();
+            QAndroidJniEnvironment env;
+            jbyte* bytes = env->GetByteArrayElements(array, nullptr);
+            jsize length = env->GetArrayLength(array);
+
+            QByteArray message((char*)bytes, length);
+
+            env->ReleaseByteArrayElements(array, bytes, JNI_ABORT);
+            qDebug() << "inclination command" << message.toHex(' ');
+
+            QAndroidJniObject rr = QAndroidJniObject::callStaticObjectMethod(
+                "org/cagnulen/qdomyoszwift/ZwiftHub",
+                "setGearCommand",
+                "(I)[B",
+                32608);
+
+            if (!rr.isValid()) {
+                qDebug() << "setGearCommand returned invalid value";
+                return;
+            }
+
+            jbyteArray array = rr.object<jbyteArray>();
+            QAndroidJniEnvironment env;
+            jbyte* bytes = env->GetByteArrayElements(array, nullptr);
+            jsize length = env->GetArrayLength(array);
+
+            QByteArray proto((char*)bytes, length);
+
+            env->ReleaseByteArrayElements(array, bytes, JNI_ABORT);
+            qDebug() << "gear command" << proto.toHex(' ');
+#endif
+
     QSettings settings;
 
 #if defined(Q_OS_ANDROID) || defined(Q_OS_IOS)

src/qdomyos-zwift.pri

@@ -312,6 +312,7 @@ HEADERS += \
     $$PWD/devices/trxappgateusbelliptical/trxappgateusbelliptical.h \
     $$PWD/ergtable.h \
     $$PWD/treadmillErgTable.h \
+    $$PWD/wheelcircumference.h \
 QTelnet.h \
 devices/bkoolbike/bkoolbike.h \
 devices/csaferower/csafe.h \
@@ -772,6 +773,8 @@ DISTFILES += \
     $$PWD/android/src/WearableMessageListenerService.java \
     $$PWD/android/src/ZapClickLayer.java \
     $$PWD/android/src/ZwiftAPI.java \
+    $$PWD/android/src/ZwiftHub.java \
+    $$PWD/android/src/main/proto/zwift_hub.proto \
     $$PWD/android/src/main/proto/zwift_messages.proto \
     .clang-format \
    AppxManifest.xml \

src/wheelcircumference.h

@@ -0,0 +1,120 @@
+#ifndef WHEELCIRCUMFERENCE_H
+#define WHEELCIRCUMFERENCE_H
+
+#include <QtCore/qbytearray.h>
+
+#ifndef Q_OS_ANDROID
+#include <QtCore/qcoreapplication.h>
+#else
+#include <QtGui/qguiapplication.h>
+#endif
+#include <QtCore/qlist.h>
+#include <QtCore/qmutex.h>
+#include <QtCore/qscopedpointer.h>
+#include <QtCore/qtimer.h>
+
+#include <QDateTime>
+#include <QObject>
+#include <QString>
+#include <QSettings>
+#include <QDebug>
+
+#include "qzsettings.h"
+
+class wheelCircumference : public QObject {
+
+    Q_OBJECT
+
+  public:
+    static double gearsToWheelDiameter(double gear) {
+        QSettings settings;
+        GearTable table;
+        if(gear < 1) gear = 1;
+        else if(gear > table.maxGears) gear = table.maxGears;
+        double original_ratio = ((double)settings.value(QZSettings::gear_crankset_size, QZSettings::default_gear_crankset_size).toDouble()) / ((double)settings.value(QZSettings::gear_cog_size, QZSettings::default_gear_cog_size).toDouble());
+        GearTable::GearInfo g = table.getGear((int)gear);
+        double current_ratio =  ((double)g.crankset / (double)g.rearCog);
+        return (((double)settings.value(QZSettings::gear_circumference, QZSettings::default_gear_circumference).toDouble()) / original_ratio) * ((double)current_ratio);
+    }
+
+
+    class GearTable {
+      public:
+
+        int maxGears = 12;
+
+        struct GearInfo {
+            int gear;
+            int crankset;
+            int rearCog;
+        };
+
+        void loadGearSettings() {
+            QSettings settings;
+
+            QString gearConfig = settings.value("gear_configuration").toString();
+            if (gearConfig.isEmpty()) {
+
+                gearConfig = "1|38|44|true\n2|38|38|true\n3|38|32|true\n4|38|28|true\n"
+                             "5|38|24|true\n6|38|21|true\n7|38|19|true\n8|38|17|true\n"
+                             "9|38|15|true\n10|38|13|true\n11|38|11|true\n12|38|10|true";
+            }
+
+            gears.clear();
+            maxGears = 0;
+
+                   // Parsa la configurazione
+            QStringList rows = gearConfig.split('\n');
+            for (const QString& row : rows) {
+                QStringList parts = row.split('|');
+                if (parts.size() >= 4 && (parts[3] == "true")) {
+                    GearInfo config;
+                    config.gear = parts[0].toInt();
+                    config.crankset = parts[1].toInt();
+                    config.rearCog = parts[2].toInt();
+
+                    gears.push_back(config);
+                    maxGears = qMax(maxGears, config.gear);
+                }
+            }
+        }
+
+        void addGear(int gear, int crankset, int rearCog) {
+            gears.push_back({gear, crankset, rearCog});
+        }
+
+        void removeGear(int gear) {
+            gears.erase(std::remove_if(gears.begin(), gears.end(),
+                                       [gear](const GearInfo& info) { return info.gear == gear; }),
+                        gears.end());
+        }
+
+        void printTable() const {
+            qDebug() << "| Gear | Crankset | Rear Cog |\n";
+            qDebug() << "|------|----------|----------|\n";
+            for (const auto& gear : gears) {
+                qDebug()  << "| " << gear.gear << " | " << gear.crankset
+                         << " | " << gear.rearCog << " |\n";
+            }
+        }
+
+        GearInfo getGear(int gearNumber) const {
+            auto it = std::find_if(gears.begin(), gears.end(),
+                                   [gearNumber](const GearInfo& info) { return info.gear == gearNumber; });
+
+            if (it != gears.end()) {
+                return *it;
+            }
+            return GearInfo();
+        }
+
+        GearTable() {
+            loadGearSettings();
+        }
+
+      private:
+        std::vector<GearInfo> gears;
+    };
+};
+
+#endif // WHEELCIRCUMFERENCE_H