Add mobile remote control for iOS

2026-05-26 11:43:25 +00:00 · 2018-02-19 06:38:24 +03:00
parent 1db6453fd2
commit 431b97a011
27 changed files with 5556 additions and 2 deletions
--- a/apps/ios/.gitignore
+++ b/apps/ios/.gitignore
@@ -0,0 +1,17 @@
+# Xcode
+.DS_Store
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+!default.xcworkspace
+xcuserdata
+profile
+*.moved-aside
+DerivedData
+Pods/
--- a/apps/ios/Podfile
+++ b/apps/ios/Podfile
@@ -0,0 +1,14 @@
+project 'cleverrc.xcodeproj/'
+
+# Uncomment the next line to define a global platform for your project
+# platform :ios, '9.0'
+
+target 'cleverrc' do
+  # Comment the next line if you're not using Swift and don't want to use dynamic frameworks
+  use_frameworks!
+
+  # Pods for cleverrc
+  pod 'SwiftSocket', '~> 2.0'
+  pod 'NotificationBannerSwift'
+
+end
--- a/apps/ios/Podfile.lock
+++ b/apps/ios/Podfile.lock
@@ -0,0 +1,21 @@
+PODS:
+  - MarqueeLabel/Swift (3.1.4)
+  - NotificationBannerSwift (1.5.4):
+    - MarqueeLabel/Swift
+    - SnapKit (~> 4.0)
+  - SnapKit (4.0.0)
+  - SwiftSocket (2.0.2)
+
+DEPENDENCIES:
+  - NotificationBannerSwift
+  - SwiftSocket (~> 2.0)
+
+SPEC CHECKSUMS:
+  MarqueeLabel: bf768455fe88d427f71476ebb23f9092b660f40b
+  NotificationBannerSwift: 4f6666c8421dcf11be0812dd1093d932c15921af
+  SnapKit: a42d492c16e80209130a3379f73596c3454b7694
+  SwiftSocket: 6f4c9c63fbc5c1d61188936bb3c599fd546f40ae
+
+PODFILE CHECKSUM: fd5199f69c3ee8c1fbc0dd582477d890c8b2a24f
+
+COCOAPODS: 1.4.0
--- a/apps/ios/cleverrc.xcodeproj/project.pbxproj
+++ b/apps/ios/cleverrc.xcodeproj/project.pbxproj
@@ -0,0 +1,444 @@
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+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.2;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				SDKROOT = iphoneos;
+				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
+				VALIDATE_PRODUCT = YES;
+			};
+			name = Release;
+		};
+		7C51655020139237004D1F4D /* Debug */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = CB200F4B933204EA97E0E2E4 /* Pods-cleverrc.debug.xcconfig */;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CODE_SIGN_STYLE = Automatic;
+				DEVELOPMENT_TEAM = 7QY6KJ2672;
+				INFOPLIST_FILE = cleverrc/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
+				PRODUCT_BUNDLE_IDENTIFIER = coex.cleverrc;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 4.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Debug;
+		};
+		7C51655120139237004D1F4D /* Release */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = AAC9195BF3A9BF6942EF4D0B /* Pods-cleverrc.release.xcconfig */;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CODE_SIGN_STYLE = Automatic;
+				DEVELOPMENT_TEAM = 7QY6KJ2672;
+				INFOPLIST_FILE = cleverrc/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
+				PRODUCT_BUNDLE_IDENTIFIER = coex.cleverrc;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 4.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		7C51653820139237004D1F4D /* Build configuration list for PBXProject "cleverrc" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				7C51654D20139237004D1F4D /* Debug */,
+				7C51654E20139237004D1F4D /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		7C51654F20139237004D1F4D /* Build configuration list for PBXNativeTarget "cleverrc" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				7C51655020139237004D1F4D /* Debug */,
+				7C51655120139237004D1F4D /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 7C51653520139237004D1F4D /* Project object */;
+}
--- a/apps/ios/cleverrc.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/apps/ios/cleverrc.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:cleverrc.xcodeproj">
+   </FileRef>
+</Workspace>
--- a/apps/ios/cleverrc.xcworkspace/contents.xcworkspacedata
+++ b/apps/ios/cleverrc.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:cleverrc.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
+   </FileRef>
+</Workspace>
--- a/apps/ios/cleverrc/AppDelegate.swift
+++ b/apps/ios/cleverrc/AppDelegate.swift
@@ -0,0 +1,46 @@
+//
+//  AppDelegate.swift
+//  cleverrc
+//
+//  Created by Oleg Kalachev on 20.01.2018.
+//  Copyright © 2018 Copter Express. All rights reserved.
+//
+
+import UIKit
+
+@UIApplicationMain
+class AppDelegate: UIResponder, UIApplicationDelegate {
+
+    var window: UIWindow?
+
+
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
+        // Override point for customization after application launch.
+        return true
+    }
+
+    func applicationWillResignActive(_ application: UIApplication) {
+        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
+        // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game.
+    }
+
+    func applicationDidEnterBackground(_ application: UIApplication) {
+        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
+        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
+    }
+
+    func applicationWillEnterForeground(_ application: UIApplication) {
+        // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background.
+    }
+
+    func applicationDidBecomeActive(_ application: UIApplication) {
+        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
+    }
+
+    func applicationWillTerminate(_ application: UIApplication) {
+        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
+    }
+
+
+}
+
--- a/apps/ios/cleverrc/Assets.xcassets/AppIcon.appiconset/Contents.json
+++ b/apps/ios/cleverrc/Assets.xcassets/AppIcon.appiconset/Contents.json
@@ -0,0 +1,100 @@
+{
+  "images" : [
+    {
+      "idiom" : "iphone",
+      "size" : "20x20",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "20x20",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "29x29",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "29x29",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "40x40",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "40x40",
+      "scale" : "3x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "cleverios180.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "cleverios180-1.png",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "20x20",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "20x20",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "29x29",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "29x29",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "40x40",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "40x40",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "76x76",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "76x76",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "83.5x83.5",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "ios-marketing",
+      "size" : "1024x1024",
+      "scale" : "1x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
--- a/apps/ios/cleverrc/Assets.xcassets/AppIcon.appiconset/cleverios180-1.png
+++ b/apps/ios/cleverrc/Assets.xcassets/AppIcon.appiconset/cleverios180-1.png
--- a/apps/ios/cleverrc/Assets.xcassets/AppIcon.appiconset/cleverios180.png
+++ b/apps/ios/cleverrc/Assets.xcassets/AppIcon.appiconset/cleverios180.png
--- a/apps/ios/cleverrc/Assets.xcassets/Contents.json
+++ b/apps/ios/cleverrc/Assets.xcassets/Contents.json
@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
--- a/apps/ios/cleverrc/Assets.xcassets/Image.imageset/Contents.json
+++ b/apps/ios/cleverrc/Assets.xcassets/Image.imageset/Contents.json
@@ -0,0 +1,20 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
--- a/apps/ios/cleverrc/Base.lproj/LaunchScreen.storyboard
+++ b/apps/ios/cleverrc/Base.lproj/LaunchScreen.storyboard
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13771" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <device id="retina4_7" orientation="portrait">
+        <adaptation id="fullscreen"/>
+    </device>
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13772"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" red="0.10586584359407425" green="0.10589186102151871" blue="0.10586420446634293" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+</document>
--- a/apps/ios/cleverrc/Base.lproj/Main.storyboard
+++ b/apps/ios/cleverrc/Base.lproj/Main.storyboard
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13771" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
+    <device id="retina4_7" orientation="landscape">
+        <adaptation id="fullscreen"/>
+    </device>
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13772"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="tne-QT-ifu">
+            <objects>
+                <viewController id="BYZ-38-t0r" customClass="ViewController" customModule="cleverrc" customModuleProvider="target" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
+                        <rect key="frame" x="0.0" y="0.0" width="667" height="375"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <wkWebView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" ambiguous="YES" translatesAutoresizingMaskIntoConstraints="NO" id="dtJ-LN-BYT">
+                                <rect key="frame" x="0.0" y="0.0" width="667" height="375"/>
+                                <color key="backgroundColor" red="0.12939286231994629" green="0.12942266464233398" blue="0.12939092516899109" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <wkWebViewConfiguration key="configuration">
+                                    <audiovisualMediaTypes key="mediaTypesRequiringUserActionForPlayback" none="YES"/>
+                                    <wkPreferences key="preferences"/>
+                                </wkWebViewConfiguration>
+                            </wkWebView>
+                        </subviews>
+                        <color key="backgroundColor" red="0.1097869947552681" green="0.10981365293264389" blue="0.10978532582521439" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <constraints>
+                            <constraint firstItem="dtJ-LN-BYT" firstAttribute="height" secondItem="8bC-Xf-vdC" secondAttribute="height" id="KRn-ag-67x"/>
+                            <constraint firstItem="dtJ-LN-BYT" firstAttribute="width" secondItem="8bC-Xf-vdC" secondAttribute="width" id="qOr-gg-e4M"/>
+                        </constraints>
+                        <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
+                    </view>
+                    <connections>
+                        <outlet property="webView" destination="dtJ-LN-BYT" id="bQ3-jy-o6E"/>
+                    </connections>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="138.0809595202399" y="124"/>
+        </scene>
+    </scenes>
+</document>
--- a/apps/ios/cleverrc/BinUtils.swift
+++ b/apps/ios/cleverrc/BinUtils.swift
@@ -0,0 +1,453 @@
+//
+//  BinUtils.swift
+//  BinUtils
+//
+//  Created by Nicolas Seriot on 12/03/16.
+//  Copyright © 2016 Nicolas Seriot. All rights reserved.
+//
+
+import Foundation
+import CoreFoundation
+
+// MARK: protocol UnpackedType
+
+public protocol Unpackable {}
+
+extension NSString: Unpackable {}
+extension Bool: Unpackable {}
+extension Int: Unpackable {}
+extension Double: Unpackable {}
+
+// MARK: protocol DataConvertible
+
+protocol DataConvertible {}
+
+extension DataConvertible {
+    
+    init?(data: Data) {
+        guard data.count == MemoryLayout<Self>.size else { return nil }
+        self = data.withUnsafeBytes { $0.pointee }
+    }
+
+    init?(bytes: [UInt8]) {
+        let data = Data(bytes:bytes)
+        self.init(data:data)
+    }
+    
+    var data: Data {
+        var value = self
+        return Data(buffer: UnsafeBufferPointer(start: &value, count: 1))
+    }
+}
+
+extension Bool : DataConvertible { }
+
+extension Int8 : DataConvertible { }
+extension Int16 : DataConvertible { }
+extension Int32 : DataConvertible { }
+extension Int64 : DataConvertible { }
+
+extension UInt8 : DataConvertible { }
+extension UInt16 : DataConvertible { }
+extension UInt32 : DataConvertible { }
+extension UInt64 : DataConvertible { }
+
+extension Float32 : DataConvertible { }
+extension Float64 : DataConvertible { }
+
+// MARK: String extension
+
+extension String {
+    subscript (from:Int, to:Int) -> String {
+        return NSString(string: self).substring(with: NSMakeRange(from, to-from))
+    }
+}
+
+// MARK: Data extension
+
+extension Data {
+    var bytes : [UInt8] {
+        return self.withUnsafeBytes {
+            [UInt8](UnsafeBufferPointer(start: $0, count: self.count))
+        }
+    }
+}
+
+// MARK: functions
+
+public func hexlify(_ data:Data) -> String {
+    
+    // similar to hexlify() in Python's binascii module
+    // https://docs.python.org/2/library/binascii.html
+    
+    var s = String()
+    var byte: UInt8 = 0
+    
+    for i in 0 ..< data.count {
+        NSData(data: data).getBytes(&byte, range: NSMakeRange(i, 1))
+        s = s.appendingFormat("%02x", byte)
+    }
+    
+    return s as String
+}
+
+public func unhexlify(_ string:String) -> Data? {
+    
+    // similar to unhexlify() in Python's binascii module
+    // https://docs.python.org/2/library/binascii.html
+    
+    let s = string.uppercased().replacingOccurrences(of: " ", with: "")
+    
+    let nonHexCharacterSet = CharacterSet(charactersIn: "0123456789ABCDEF").inverted
+    if let range = s.rangeOfCharacter(from: nonHexCharacterSet) {
+        print("-- found non hex character at range \(range)")
+        return nil
+    }
+    
+    var data = Data(capacity: s.count / 2)
+    
+    for i in stride(from: 0, to:s.count, by:2) {
+        let byteString = s[i, i+2]
+        let byte = UInt8(byteString.withCString { strtoul($0, nil, 16) })
+        data.append([byte] as [UInt8], count: 1)
+    }
+    
+    return data
+}
+
+func readIntegerType<T:DataConvertible>(_ type:T.Type, bytes:[UInt8], loc:inout Int) -> T {
+    let size = MemoryLayout<T>.size
+    let sub = Array(bytes[loc..<(loc+size)])
+    loc += size
+    return T(bytes: sub)!
+}
+
+func readFloatingPointType<T:DataConvertible>(_ type:T.Type, bytes:[UInt8], loc:inout Int, isBigEndian:Bool) -> T {
+    let size = MemoryLayout<T>.size
+    let sub = Array(bytes[loc..<(loc+size)])
+    loc += size
+    let sub_ = isBigEndian ? sub.reversed() : sub
+    return T(bytes: sub_)!
+}
+
+func isBigEndianFromMandatoryByteOrderFirstCharacter(_ format:String) -> Bool {
+    
+    guard let firstChar = format.first else { assertionFailure("empty format"); return false }
+    
+    let s = NSString(string: String(firstChar))
+    let c = s.substring(to: 1)
+    
+    if c == "@" { assertionFailure("native size and alignment is unsupported") }
+    
+    if c == "=" || c == "<" { return false }
+    if c == ">" || c == "!" { return true }
+    
+    assertionFailure("format '\(format)' first character must be among '=<>!'")
+    
+    return false
+}
+
+// akin to struct.calcsize(fmt)
+func numberOfBytesInFormat(_ format:String) -> Int {
+    
+    var numberOfBytes = 0
+    
+    var n = 0 // repeat counter
+    
+    var mutableFormat = format
+    
+    while !mutableFormat.isEmpty {
+        
+        let c = mutableFormat.remove(at: mutableFormat.startIndex)
+        
+        if let i = Int(String(c)) , 0...9 ~= i {
+            if n > 0 { n *= 10 }
+            n += i
+            continue
+        }
+        
+        if c == "s" {
+            numberOfBytes += max(n,1)
+            n = 0
+            continue
+        }
+        
+        for _ in 0..<max(n,1) {
+            
+            switch(c) {
+                
+            case "@", "<", "=", ">", "!", " ":
+                ()
+            case "c", "b", "B", "x", "?":
+                numberOfBytes += 1
+            case "h", "H":
+                numberOfBytes += 2
+            case "i", "l", "I", "L", "f":
+                numberOfBytes += 4
+            case "q", "Q", "d":
+                numberOfBytes += 8
+            case "P":
+                numberOfBytes += MemoryLayout<Int>.size
+            default:
+                assertionFailure("-- unsupported format \(c)")
+            }
+        }
+        
+        n = 0
+    }
+    
+    return numberOfBytes
+}
+
+func formatDoesMatchDataLength(_ format:String, data:Data) -> Bool {
+    let sizeAccordingToFormat = numberOfBytesInFormat(format)
+    let dataLength = data.count
+    if sizeAccordingToFormat != dataLength {
+        print("format \"\(format)\" expects \(sizeAccordingToFormat) bytes but data is \(dataLength) bytes")
+        return false
+    }
+    
+    return true
+}
+
+/*
+ pack() and unpack() should behave as Python's struct module https://docs.python.org/2/library/struct.html BUT:
+ - native size and alignment '@' is not supported
+ - as a consequence, the byte order specifier character is mandatory and must be among "=<>!"
+ - native byte order '=' assumes a little-endian system (eg. Intel x86)
+ - Pascal strings 'p' and native pointers 'P' are not supported
+ */
+
+public enum BinUtilsError: Error {
+    case formatDoesMatchDataLength(format:String, dataSize:Int)
+    case unsupportedFormat(character:Character)
+}
+
+public func pack(_ format:String, _ objects:[Any], _ stringEncoding:String.Encoding=String.Encoding.windowsCP1252) -> Data {
+    
+    var objectsQueue = objects
+    
+    var mutableFormat = format
+    
+    var mutableData = Data()
+    
+    var isBigEndian = false
+    
+    let firstCharacter = mutableFormat.remove(at: mutableFormat.startIndex)
+    
+    switch(firstCharacter) {
+    case "<", "=":
+        isBigEndian = false
+    case ">", "!":
+        isBigEndian = true
+    case "@":
+        assertionFailure("native size and alignment '@' is unsupported'")
+    default:
+        assertionFailure("unsupported format chacracter'")
+    }
+    
+    var n = 0 // repeat counter
+    
+    while !mutableFormat.isEmpty {
+        
+        let c = mutableFormat.remove(at: mutableFormat.startIndex)
+        
+        if let i = Int(String(c)) , 0...9 ~= i {
+            if n > 0 { n *= 10 }
+            n += i
+            continue
+        }
+        
+        var o : Any = 0
+        
+        if c == "s" {
+            o = objectsQueue.remove(at: 0)
+            
+            guard let stringData = (o as! String).data(using: .utf8) else { assertionFailure(); return Data() }
+            var bytes = stringData.bytes
+            
+            let expectedSize = max(1, n)
+            
+            // pad ...
+            while bytes.count < expectedSize { bytes.append(0x00) }
+            
+            // ... or trunk
+            if bytes.count > expectedSize { bytes = Array(bytes[0..<expectedSize]) }
+            
+            assert(bytes.count == expectedSize)
+            
+            if isBigEndian { bytes = bytes.reversed() }
+            
+            mutableData.append(bytes, count: bytes.count)
+            
+            n = 0
+            continue
+        }
+        
+        for _ in 0..<max(n,1) {
+            
+            var bytes : [UInt8] = []
+            
+            if c != "x" {
+                o = objectsQueue.removeFirst()
+            }
+            
+            switch(c) {
+            case "?":
+                bytes = (o as! Bool) ? [0x01] : [0x00]
+            case "c":
+                let charAsString = (o as! NSString).substring(to: 1)
+                guard let data = charAsString.data(using: stringEncoding) else {
+                    assertionFailure("cannot decode character \(charAsString) using encoding \(stringEncoding)")
+                    return Data()
+                }
+                bytes = data.bytes
+            case "b":
+                bytes = Int8(truncatingIfNeeded:o as! Int).data.bytes
+            case "h":
+                bytes = Int16(truncatingIfNeeded:o as! Int).data.bytes
+            case "i", "l":
+                bytes = Int32(truncatingIfNeeded:o as! Int).data.bytes
+            case "q", "Q":
+                bytes = Int64(o as! Int).data.bytes
+            case "B":
+                bytes = UInt8(truncatingIfNeeded:o as! Int).data.bytes
+            case "H":
+                bytes = UInt16(truncatingIfNeeded:o as! Int).data.bytes
+            case "I", "L":
+                bytes = UInt32(truncatingIfNeeded:o as! Int).data.bytes
+            case "f":
+                bytes = Float32(o as! Double).data.bytes
+            case "d":
+                bytes = Float64(o as! Double).data.bytes
+            case "x":
+                bytes = [0x00]
+            default:
+                assertionFailure("Unsupported packing format: \(c)")
+            }
+            
+            if isBigEndian { bytes = bytes.reversed() }
+            let data = Data(bytes)
+            mutableData.append(data)
+        }
+        
+        n = 0
+    }
+    
+    return mutableData
+}
+
+public func unpack(_ format:String, _ data:Data, _ stringEncoding:String.Encoding=String.Encoding.windowsCP1252) throws -> [Unpackable] {
+    
+    assert(CFByteOrderGetCurrent() == 1 /* CFByteOrderLittleEndian */, "\(#file) assumes little endian, but host is big endian")
+    
+    let isBigEndian = isBigEndianFromMandatoryByteOrderFirstCharacter(format)
+    
+    if formatDoesMatchDataLength(format, data: data) == false {
+        throw BinUtilsError.formatDoesMatchDataLength(format:format, dataSize:data.count)
+    }
+    
+    var a : [Unpackable] = []
+    
+    var loc = 0
+    
+    let bytes = data.bytes
+    
+    var n = 0 // repeat counter
+    
+    var mutableFormat = format
+    
+    mutableFormat.remove(at: mutableFormat.startIndex) // consume byte-order specifier
+    
+    while !mutableFormat.isEmpty {
+        
+        let c = mutableFormat.remove(at: mutableFormat.startIndex)
+        
+        if let i = Int(String(c)) , 0...9 ~= i {
+            if n > 0 { n *= 10 }
+            n += i
+            continue
+        }
+        
+        if c == "s" {
+            let length = max(n,1)
+            let sub = Array(bytes[loc..<loc+length])
+            
+            guard let s = NSString(bytes: sub, length: length, encoding: stringEncoding.rawValue) else {
+                assertionFailure("-- not a string: \(sub)")
+                return []
+            }
+            
+            a.append(s)
+            
+            loc += length
+            
+            n = 0
+            
+            continue
+        }
+        
+        for _ in 0..<max(n,1) {
+            
+            var o : Unpackable?
+            
+            switch(c) {
+                
+            case "c":
+                let optionalString = NSString(bytes: [bytes[loc]], length: 1, encoding: String.Encoding.utf8.rawValue)
+                loc += 1
+                guard let s = optionalString else { assertionFailure(); return [] }
+                o = s
+            case "b":
+                let r = readIntegerType(Int8.self, bytes:bytes, loc:&loc)
+                o = Int(r)
+            case "B":
+                let r = readIntegerType(UInt8.self, bytes:bytes, loc:&loc)
+                o = Int(r)
+            case "?":
+                let r = readIntegerType(Bool.self, bytes:bytes, loc:&loc)
+                o = r ? true : false
+            case "h":
+                let r = readIntegerType(Int16.self, bytes:bytes, loc:&loc)
+                o = Int(isBigEndian ? Int16(bigEndian: r) : r)
+            case "H":
+                let r = readIntegerType(UInt16.self, bytes:bytes, loc:&loc)
+                o = Int(isBigEndian ? UInt16(bigEndian: r) : r)
+            case "i":
+                fallthrough
+            case "l":
+                let r = readIntegerType(Int32.self, bytes:bytes, loc:&loc)
+                o = Int(isBigEndian ? Int32(bigEndian: r) : r)
+            case "I":
+                fallthrough
+            case "L":
+                let r = readIntegerType(UInt32.self, bytes:bytes, loc:&loc)
+                o = Int(isBigEndian ? UInt32(bigEndian: r) : r)
+            case "q":
+                let r = readIntegerType(Int64.self, bytes:bytes, loc:&loc)
+                o = Int(isBigEndian ? Int64(bigEndian: r) : r)
+            case "Q":
+                let r = readIntegerType(UInt64.self, bytes:bytes, loc:&loc)
+                o = Int(isBigEndian ? UInt64(bigEndian: r) : r)
+            case "f":
+                let r = readFloatingPointType(Float32.self, bytes:bytes, loc:&loc, isBigEndian:isBigEndian)
+                o = Double(r)
+            case "d":
+                let r = readFloatingPointType(Float64.self, bytes:bytes, loc:&loc, isBigEndian:isBigEndian)
+                o = Double(r)
+            case "x":
+                loc += 1
+            case " ":
+                ()
+            default:
+                throw BinUtilsError.unsupportedFormat(character:c)
+            }
+            
+            if let o = o { a.append(o) }
+        }
+        
+        n = 0
+    }
+    
+    return a
+}
--- a/apps/ios/cleverrc/Info.plist
+++ b/apps/ios/cleverrc/Info.plist
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleDisplayName</key>
+	<string>Clever RC</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIMainStoryboardFile</key>
+	<string>Main</string>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>
--- a/apps/ios/cleverrc/ViewController.swift
+++ b/apps/ios/cleverrc/ViewController.swift
@@ -0,0 +1,70 @@
+//
+//  ViewController.swift
+//  cleverrc
+//
+//  Created by Oleg Kalachev on 20.01.2018.
+//  Copyright © 2018 Copter Express. All rights reserved.
+//
+
+import UIKit
+import WebKit
+import SwiftSocket
+import NotificationBannerSwift
+
+class ViewController: UIViewController, WKScriptMessageHandler {
+    @IBOutlet weak var webView: WKWebView!
+    let impactGenerator = UIImpactFeedbackGenerator(style: .medium)
+    let notificationGenerator = UINotificationFeedbackGenerator()
+    let udpSocket = UDPClient(address:"255.255.255.255", port: 35602)
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        // Don't lock screen
+        UIApplication.shared.isIdleTimerDisabled = true
+
+        // Setup webview event handlers
+        webView.configuration.userContentController.add(self, name: "control")
+        webView.configuration.userContentController.add(self, name: "controlStart")
+        webView.configuration.userContentController.add(self, name: "lowBattery")
+        webView.configuration.userContentController.add(self, name: "notification")
+
+        // Load the main page
+        let url = Bundle.main.url(forResource: "index", withExtension: "html")
+        let requestObj = URLRequest(url: url!)
+        webView.load(requestObj)
+
+        // Setup UDP broadcasting
+        udpSocket.enableBroadcast()
+    }
+
+    override func didReceiveMemoryWarning() {
+        super.didReceiveMemoryWarning()
+        // Dispose of any resources that can be recreated.
+    }
+
+    func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
+        if (message.name == "control") {
+            // Send UDP control message
+            let m = message.body as! NSDictionary;
+            let d = pack("<hhhh", [m["x"]!, m["y"]!, m["z"]!, m["r"]!])
+            _ = udpSocket.send(data: d)
+        } else if (message.name == "lowBattery") {
+            // Got low battery notification
+            print("Low battery notification")
+            notificationGenerator.notificationOccurred(.warning)
+        } else if (message.name == "notification") {
+            // Got notification message
+            print(message)
+            let m = message.body as! NSDictionary;
+            let level = m["level"] as! Int
+            if level == 4 {
+                let banner = NotificationBanner(title: m["msg"] as! String, style: .warning)
+                banner.show()
+            } else {
+                let banner = NotificationBanner(title: m["msg"] as! String, style: .danger)
+                banner.show()
+            }
+        }
+    }
+}
--- a/apps/ios/cleverrc/clever.svg
+++ b/apps/ios/cleverrc/clever.svg
@@ -0,0 +1,84 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 52.5 52.5" enable-background="new 0 0 52.5 52.5" xml:space="preserve">
+<g>
+	<path fill="white" fill-opacity="0.5" d="M35.7,17.2c0.3-0.3,0.5-0.7,0.7-1.1c0.2-0.4,0.3-0.9,0.3-1.4c0-0.5-0.1-1-0.3-1.4c-0.2-0.5-0.5-0.9-0.8-1.3
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+	<g>
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+	</g>
+	<g>
+		<polygon points="40.7,30.2 40.7,30.2 40.7,30.2 		"/>
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+	</g>
+</g>
+<g id="XMLID_14_">
+</g>
+<g id="XMLID_15_">
+</g>
+<g id="XMLID_16_">
+</g>
+<g id="XMLID_17_">
+</g>
+<g id="XMLID_18_">
+</g>
+<g id="XMLID_19_">
+</g>
+</svg>
--- a/apps/ios/cleverrc/index.html
+++ b/apps/ios/cleverrc/index.html
@@ -0,0 +1,23 @@
+<html>
+	<head>
+		<meta name="apple-mobile-web-app-capable" content="yes" />
+		<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no, minimal-ui">
+		<link rel="stylesheet" href="main.css">
+		<script src="roslib.js"></script>
+	</head>
+	<body>
+		<div class="telemetry"><span class="mode">DISCONNECTED</span></div>
+		<div class="battery"></div>
+		<div class="logo"></div>
+		<div class="container">
+			<div class="stick stick-left">
+				<div class="stick-pointer"></div>
+			</div>
+			<div class="stick stick-right">
+				<div class="stick-pointer"></div>
+			</div>
+		</div>
+		<script src="main.js" type="text/javascript"></script>
+		<script src="telemetry.js" type="text/javascript"></script>
+	</body>
+</html>
--- a/apps/ios/cleverrc/main.css
+++ b/apps/ios/cleverrc/main.css
@@ -0,0 +1,91 @@
+html, body {
+	margin: 0;
+	padding: 0;
+	user-select: none;
+	font-family: sans-serif;
+	background: #212121;
+	color: rgba(255, 255, 255, 0.9);
+}
+
+.stick {
+	border-radius: 50%;
+	width: 5cm;
+	height: 5cm;
+	position: relative;
+	transform: translateZ(0);
+	border: 4px solid rgba(255,255,255,.4);
+	box-shadow: 0 0 0 1px rgba(0,0,0,.2), inset 0 0 0 1px rgba(0,0,0,.2);
+}
+
+.stick-pointer {
+	position: absolute;
+	border-radius: 50%;
+	background-color: rgba(255,255,255,.25);
+	box-shadow: 0 0 10px rgba(0,0,0,.3);
+	width: 3cm;
+	height: 3cm;
+	margin-left: -1.5cm;
+	margin-top: -1.5cm;
+	top: 2.5cm;
+	left: 2.5cm;
+	pointer-events: none;
+	transform: translateZ(0);
+}
+
+.container {
+	display: flex;
+	justify-content: space-around;
+	align-items: center;
+	width: 100%;
+	height: 100%;
+}
+
+.telemetry {
+	position: absolute;
+	text-align: center;
+	width: 100%;
+	top: 30px;
+	font-size: 20px;
+	user-select: none;
+	pointer-events: none;
+}
+
+body.armed .telemetry .mode {
+	font-weight: bold;
+}
+
+@keyframes scale {
+	0% { transform: scale(1.0); }
+	50% { transform: scale(1.2); }
+	100% { transform: scale(1.0); }
+}
+
+.battery {
+	position: absolute;
+	text-align: center;
+	width: 100%;
+	bottom: 30px;
+	font-size: 20px;
+	user-select: none;
+	pointer-events: none;
+}
+
+body.low-battery .battery {
+	color: #ff554b;
+	animation: scale 0.3s 1 ease-in-out}
+
+.logo {
+	position: absolute;
+	background: url(clever.svg);
+	-webkit-background-size: 50px;
+	background-size: 50px;
+	width: 50px;
+	height: 50px;
+	top: 50%;
+	left: 50%;
+	margin-top: -25px;
+	margin-left: -25px;
+	font-size: 20px;
+	user-select: none;
+	pointer-events: none;
+}
--- a/apps/ios/cleverrc/main.js
+++ b/apps/ios/cleverrc/main.js
@@ -0,0 +1,126 @@
+function throttle(func, ms) {
+	var isThrottled = false,
+		savedArgs,
+		savedThis;
+
+	function wrapper() {
+		if (isThrottled) {
+			savedArgs = arguments;
+			savedThis = this;
+			return;
+		}
+		func.apply(this, arguments);
+		isThrottled = true;
+		setTimeout(function() {
+			isThrottled = false;
+			if (savedArgs) {
+				wrapper.apply(savedThis, savedArgs);
+				savedArgs = savedThis = null;
+			}
+		}, ms);
+	}
+	return wrapper;
+}
+
+function callNativeApp(name, msg) {
+	try {
+		webkit.messageHandlers[name].postMessage(msg);
+		return true;
+	} catch(err) {
+		console.warn('The native context does not exist yet');
+		return false;
+	}
+}
+
+var rcLastPublish = null;
+
+function rcPublish() {
+	callNativeApp('control', controlMessage);
+	rcLastPublish = new Date();
+}
+
+rcPublishThrottled = throttle(rcPublish, 30);
+
+setInterval(function() {
+	if (rcLastPublish !== null && new Date() - rcLastPublish > 800) {
+		rcPublishThrottled();
+	}
+}, 50);
+
+var body = document.querySelector('body');
+var stickLeft = document.querySelector('.stick-left');
+var stickRight = document.querySelector('.stick-right');
+
+var controlMessage = { x: 0, y: 0, z: 0, r: 0 };
+
+function onStickTouchMove(touch) {
+	var target = touch.target;
+	var targetRect = target.getBoundingClientRect();
+	var stickPointer = target.querySelector('.stick-pointer');
+
+	var offsetX = touch.clientX - targetRect.left;
+	var offsetY = touch.clientY - targetRect.top;
+
+	var x = 2 * offsetX / targetRect.width;
+	var y = 2 * offsetY / targetRect.height;
+
+	x = Math.max(0, x);
+	x = Math.min(2, x);
+	y = Math.max(0, y);
+	y = Math.min(2, y);
+
+	stickPointer.style.left = (x * 50) + '%';
+	stickPointer.style.top = (y * 50) + '%';
+
+	x -= 1;
+	y = 1 - y;
+
+	if (target.matches('.stick-left')) {
+		controlMessage.z = Math.round((y + 1) * 500);
+		controlMessage.r = Math.round(x * 1000);
+	} else if (target.matches('.stick-right')) {
+		controlMessage.x = Math.round(y * 1000);
+		controlMessage.y = Math.round(x * 1000);
+	}
+}
+
+body.addEventListener('touchmove', function (e) {
+	e.preventDefault();
+});
+
+function stickTouchStart(e) {
+	setControlMode();
+	callNativeApp('controlStart');
+	onStickTouchMove(e.changedTouches[0]);
+	rcPublishThrottled();
+	e.stopPropagation();
+	e.preventDefault();
+}
+
+function stickTouchMove(e) {
+	onStickTouchMove(e.changedTouches[0]);
+	rcPublishThrottled();
+	e.stopPropagation();
+	e.preventDefault();
+}
+
+function stickTouchEnd(e) {
+	var pointer = e.target.querySelector('.stick-pointer');
+	if (e.target.matches('.stick-left')) {
+		controlMessage.r = 0;
+		pointer.style.left = '50%';
+	} else if (e.target.matches('.stick-right')) {
+		controlMessage.x = 0;
+		controlMessage.y = 0;
+		pointer.style.left = '50%';
+		pointer.style.top = '50%';
+	}
+	rcPublishThrottled();
+}
+
+stickLeft.addEventListener('touchmove', stickTouchMove);
+stickRight.addEventListener('touchmove', stickTouchMove);
+stickLeft.addEventListener('touchstart', stickTouchStart);
+stickRight.addEventListener('touchstart', stickTouchStart);
+stickLeft.addEventListener('touchend', stickTouchEnd);
+stickRight.addEventListener('touchend', stickTouchEnd);
--- a/apps/ios/cleverrc/roslib.js
+++ b/apps/ios/cleverrc/roslib.js
--- a/apps/ios/cleverrc/telemetry.js
+++ b/apps/ios/cleverrc/telemetry.js
@@ -0,0 +1,85 @@
+var url = 'ws://192.168.11.1:9090';
+var modeEl = document.querySelector('.telemetry .mode');
+var batteryEl = document.querySelector('.battery');
+
+var ros = new ROSLIB.Ros({ url: url });
+
+ros.on('connection', function () {
+	body.classList.add('connected');
+});
+
+ros.on('close', function () {
+	body.classList.remove('connected');
+	modeEl.classList.remove('armed');
+	modeEl.innerHTML = 'DISCONNECTED';
+	batteryEl.innerHTML = '';
+	setTimeout(function() {
+		modeEl.innerHTML = 'RECONNECTING';
+		ros.connect(url);
+	}, 2000);
+});
+
+var fcuState;
+
+new ROSLIB.Topic({
+	ros: ros,
+	name: '/state_latched',
+	messageType: 'mavros_msgs/State'
+}).subscribe(function(message) {
+	body.classList.toggle('fcu-disconnected', !message.connected);
+	body.classList.toggle('armed', message.armed);
+	fcuState = message;
+	modeEl.classList.toggle('armed', fcuState.armed);
+	modeEl.innerHTML = message.connected ? fcuState.mode : 'DISCONNECTED FROM FCU';
+	console.log('state', message);
+});
+
+function notifyLowBattery() {
+	callNativeApp('lowBattery');
+}
+
+notifyLowBatteryThrottled = throttle(notifyLowBattery, 10000);
+
+new ROSLIB.Topic({
+	ros: ros,
+	name: '/mavros/battery',
+	messageType: 'sensor_msgs/BatteryState',
+	throttle_rate: 5000
+}).subscribe(function(message) {
+	var LOW_BATTERY = 3.8;
+	batteryEl.innerHTML = (message.cell_voltage[0].toFixed(2) + ' V') || '';
+
+	if (message.cell_voltage[0] < LOW_BATTERY) {
+		console.log('low battery');
+		callNativeApp('lowBattery');
+		body.classList.remove('low-battery');
+		void body.offsetWidth; // trick for repeating animation
+		body.classList.add('low-battery');
+	} else {
+		body.classList.remove('low-battery');
+	}
+});
+
+new ROSLIB.Topic({
+	ros: ros,
+	name: '/rosout_agg',
+	messageType: 'rosgraph_msgs/Log'
+}).subscribe(function(message) {
+	if(message.level >= 4) {
+		if (message.msg.startsWith('CMD: ')) {
+			return;
+		}
+		callNativeApp('notification', message);
+	}
+});
+
+var setMode = new ROSLIB.Service({
+	ros: ros,
+	name : '/mavros/set_mode',
+	serviceType : 'mavros_msgs/SetMode'
+});
+
+function setControlMode() {
+	var CONTROL_MODE = 'STABILIZED';
+	setMode.callService(new ROSLIB.ServiceRequest({ custom_mode: CONTROL_MODE }));
+}
--- a/clever/CMakeLists.txt
+++ b/clever/CMakeLists.txt
@@ -11,6 +11,7 @@ find_package(catkin REQUIRED COMPONENTS
  nodelet
  pluginlib
  roscpp
+  genmsg
  rospy
  std_msgs
  message_generation
@@ -157,7 +158,9 @@ add_library(aruco_vpe
 ## Declare a C++ executable
 ## With catkin_make all packages are built within a single CMake context
 ## The recommended prefix ensures that target names across packages don't collide
-# add_executable(${PROJECT_NAME}_node src/clever_node.cpp)
+add_executable(rc src/rc.cpp)
+
+target_link_libraries(rc ${catkin_LIBRARIES})

 ## Rename C++ executable without prefix
 ## The above recommended prefix causes long target names, the following renames the
--- a/clever/launch/clever.launch
+++ b/clever/launch/clever.launch
@@ -48,6 +48,9 @@
    <!-- rosbridge -->
    <include file="$(find rosbridge_server)/launch/rosbridge_websocket.launch" if="$(arg rosbridge)"/>

+    <!-- rc backend -->
+    <!--<node name="rc" pkg="clever" type="rc" output="screen"/>-->
+
    <!-- FPV video streaming -->
    <include file="$(find clever)/launch/fpv_camera.launch" if="$(arg fpv_camera)">
        <arg name="device" value="$(arg fpv_camera_device)"/>
--- a/clever/launch/mavros.launch
+++ b/clever/launch/mavros.launch
@@ -37,7 +37,6 @@
                - 3dr_radio
                - actuator_control
                - hil_controls
-                - manual_control
                - vfr_hud
                - px4flow
                - vision_speed_estimate
--- a/clever/src/rc.cpp
+++ b/clever/src/rc.cpp
@@ -0,0 +1,118 @@
+// CLEVER mobile remote control support:
+// * Send ManualControl messages through UDP
+// * `latched_state` topic
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <errno.h>
+#include <thread>
+#include "ros/ros.h"
+#include "std_msgs/String.h"
+#include "mavros_msgs/State.h"
+#include "mavros_msgs/ManualControl.h"
+
+struct ControlMessage
+{
+    int16_t x, y, z, r;
+} __attribute__((packed));
+
+class RC
+{
+public:
+    RC():
+        nh(),
+        nh_priv("~")
+    {
+        // Create socket thread
+        std::thread t(&RC::socketThread, this);
+        t.detach();
+
+        initLatchedState();
+    }
+
+private:
+    ros::NodeHandle nh, nh_priv;
+    ros::Subscriber state_sub;
+    ros::Publisher state_pub;
+    mavros_msgs::StateConstPtr state_msg;
+
+    void handleState(const mavros_msgs::StateConstPtr& state)
+    {
+        if (!state_msg ||
+            state->connected != state_msg->connected ||
+            state->mode != state_msg->mode ||
+            state->armed != state_msg->armed) {
+                state_msg = state;
+                state_pub.publish(state_msg);
+            }
+    }
+
+    void initLatchedState()
+    {
+        state_sub = nh.subscribe("mavros/state", 1, &RC::handleState, this);
+        state_pub = nh.advertise<mavros_msgs::State>("state_latched", 1, true);
+    }
+
+    int createSocket(int port)
+    {
+        int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
+
+        sockaddr_in sin;
+        sin.sin_family = AF_INET;
+        sin.sin_addr.s_addr = htonl(INADDR_ANY);
+        sin.sin_port = htons(port);
+
+        if (bind(sockfd, (sockaddr *)&sin, sizeof(sin)) < 0) {
+            ROS_FATAL("socket bind error: %s", strerror(errno));
+            close(sockfd);
+            ros::shutdown();
+        }
+
+        return sockfd;
+    }
+
+    void socketThread()
+    {
+        int port;
+        nh_priv.param("port", port, 35602);
+        int sockfd = createSocket(port);
+
+        char buff[9999];
+
+        ros::Publisher manual_control_pub = nh.advertise<mavros_msgs::ManualControl>("mavros/manual_control/send", 1);
+        mavros_msgs::ManualControl manual_control_msg;
+
+        sockaddr_in client_addr;
+        socklen_t client_addr_size = sizeof(client_addr);
+
+        ROS_INFO("UDP RC initialized on port %d", port);
+
+        while (true) {
+            // read next UDP packet
+            int bsize = recvfrom(sockfd, &buff[0], sizeof(buff) - 1, 0, (sockaddr *) &client_addr, &client_addr_size);
+
+            if (bsize < 0) {
+                ROS_ERROR("recvfrom() error: %s", strerror(errno));
+            } else if (bsize != sizeof(ControlMessage)) {
+                ROS_ERROR_THROTTLE(30, "Wrong UDP packet size: %d", bsize);
+            }
+
+            // unpack message
+            // warning: ignore endianness, so the code is platform-dependent
+            ControlMessage *msg = (ControlMessage *)buff;
+
+            manual_control_msg.x = msg->x;
+            manual_control_msg.y = msg->y;
+            manual_control_msg.z = msg->z;
+            manual_control_msg.r = msg->r;
+            manual_control_pub.publish(manual_control_msg);
+        }
+    }
+};
+
+int main(int argc, char **argv)
+{
+    ros::init(argc, argv, "rc");
+    RC rc;
+    ros::spin();
+}