Added test version mode, android location warning, updated old FW text

android/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<manifest package="vedder.vesctool" xmlns:android="http://schemas.android.com/apk/res/android" android:versionName="2.02" android:versionCode="71" android:installLocation="auto">
+<manifest package="vedder.vesctool" xmlns:android="http://schemas.android.com/apk/res/android" android:versionName="2.03" android:versionCode="75" android:installLocation="auto">
     <application android:hardwareAccelerated="true" android:name="org.qtproject.qt5.android.bindings.QtApplication" android:label="VESC Tool" android:icon="@drawable/icon">
         <activity android:configChanges="orientation|uiMode|screenLayout|screenSize|smallestScreenSize|layoutDirection|locale|fontScale|keyboard|keyboardHidden|navigation" android:name="org.qtproject.qt5.android.bindings.QtActivity" android:label="VESC Tool" android:screenOrientation="unspecified" android:launchMode="singleTop">
             <intent-filter>

bleuart.cpp

@@ -172,7 +172,14 @@ void BleUart::deviceScanError(QBluetoothDeviceDiscoveryAgent::Error e)
     qWarning() << "BLE Scan error: " << e;
     mDevs.clear();
     emit scanDone(mDevs, true);
-    emit bleError(tr("BLE Scan error: ") + Utility::QEnumToQString(e));
+    QString errorStr = tr("BLE Scan error: ") + Utility::QEnumToQString(e);
+
+#ifdef Q_OS_ANDROID
+    errorStr += ". If you are on Android 10, make sure that both bluetooth and the "
+                "location service are activated.";
+#endif
+
+    emit bleError(errorStr);
 }
 
 void BleUart::serviceDiscovered(const QBluetoothUuid &gatt)

build_android

@@ -16,7 +16,7 @@ export PATH=$PATH:$ANDROID_HOME/Sdk/tools:/usr/bin:$JAVA_HOME/bin
 rm -rf build/android/*
 
 # armv7
-export PATH=/opt/Qt3/5.12.3/android_armv7/bin/:$PATH
+export PATH=/opt/Qt3/5.12.7/android_armv7/bin/:$PATH
 export ANDROID_NDK_TOOLCHAIN_PREFIX=arm-linux-androideabi
 export ANDROID_NDK_TOOLS_PREFIX=arm-linux-androideabi
 

res/CHANGELOG

@@ -1,6 +1,10 @@
 == 2.03 ==
 * App balance updates. See https://github.com/vedderb/bldc/pull/138.
 * Changed back FOC time constant.
+* Added test version warning.
+* Remind user to switch on the location service on android 10 if BLE scan fails.
+* Updated to Qt 5.12.7 for the android build.
+* Start linux version without openssl on version mismatch.
 
 == 2.02 ==
 * Better autoconnect.

res/firmwares/CHANGELOG

@@ -1,3 +1,10 @@
+=== FW 4.02 ===
+* Position PID fix (most notable on multiturn encoders).
+* App balance updates. See https://github.com/vedderb/bldc/pull/138.
+* Changed FOC time constant back to 1000 us.
+* Do not count AS5047 all ones as fault.
+* Improved axis decoupling and integrator windup protection. Should prevent wobbles.
+
 === FW 4.01 ===
 * Leave debug mode on NRF5x after disconnect to avoid excess power consumption before power cycle.
 * Added encoder_clear_errors and encoder_clear_multiturn terminal commands.

vesc_tool.pro

@@ -7,6 +7,7 @@
 # Version
 VT_VERSION = 2.03
 VT_INTRO_VERSION = 1
+VT_IS_TEST_VERSION = 0
 
 VT_ANDROID_VERSION_ARMV7 = 74
 VT_ANDROID_VERSION_ARM64 = 75
@@ -19,6 +20,7 @@ VT_ANDROID_VERSION = $$VT_ANDROID_VERSION_X86
 
 DEFINES += VT_VERSION=$$VT_VERSION
 DEFINES += VT_INTRO_VERSION=$$VT_INTRO_VERSION
+DEFINES += VT_IS_TEST_VERSION=$$VT_IS_TEST_VERSION
 
 CONFIG += c++11
 

vescinterface.cpp

@@ -405,6 +405,16 @@ VescInterface::VescInterface(QObject *parent) : QObject(parent)
                               false, false);
         }
     });
+
+#if VT_IS_TEST_VERSION
+    QTimer::singleShot(1000, [this]() {
+        emitMessageDialog("VESC Tool Test Version",
+                          "Warning: This is a test version of VESC Tool. The included firmwares are NOT compatible with "
+                          "released firmwares and should only be used with this test version. When using a release version "
+                          "of VESC Tool, the firmware must be upgraded even if the version number is the same.",
+                          false);
+    });
+#endif
 }
 
 VescInterface::~VescInterface()
@@ -2942,8 +2952,13 @@ void VescInterface::fwVersionReceived(int major, int minor, QString hw, QByteArr
             updateFwRx(true);
             if (!wasReceived) {
                 if (mFwSupportsConfiguration) {
-                    emit messageDialog(tr("Warning"), tr("The connected VESC has old, but mostly compatible firmware. It is recommended to "
-                                                         "update it for the latest features and best compatibility."), false, false);
+                    emit messageDialog(tr("Warning"), tr("The connected VESC has old, but mostly compatible firmware. This is fine if "
+                                                         "your setup works properly.<br><br>"
+                                                         "Check out the firmware changelog (from the help menu) to decide if you want to "
+                                                         "use some of the new features that have been added after your firmware version. "
+                                                         "Keep in mind that you only should upgrade firmware if you have time to test "
+                                                         "it after the upgrade and carefully make sure that everything works as expected."),
+                                       false, false);
                 } else {
                     emit messageDialog(tr("Warning"), tr("The connected VESC has too old firmware. Since the"
                                                          " connected VESC has firmware with bootloader support, it can be"