feat: add Hydrow serial rower support

src/android/src/Usbserial.java

@@ -54,6 +54,11 @@ public class Usbserial {
         "/dev/ttyS2",
         "/dev/ttyS3"
     };
+    static final String[] hydrowSerialCandidates = {
+        "/dev/ttyMT1",
+        "/dev/ttyUSB0",
+        "/dev/ttyACM0"
+    };
 
     public static void open(Context context) {
         open(context, 2400); // Default baud rate for Computrainer
@@ -134,6 +139,11 @@ public void onReceive(Context context, Intent intent) {
         }
     }
 
+    public static void openHydrow(Context context, int baudRate) {
+        QLog.d("QZ", "UsbSerial Hydrow local serial candidate scan");
+        openLocalSerialCandidates(baudRate, hydrowSerialCandidates);
+    }
+
     private static void openLocalSerial(String devicePath, int baudRate) {
         QLog.d("QZ","UsbSerial local serial open " + devicePath + " with baud rate: " + baudRate);
         port = null;
@@ -142,18 +152,22 @@ private static void openLocalSerial(String devicePath, int baudRate) {
         lastReadLen = 0;
 
         if (devicePath.equalsIgnoreCase("auto")) {
-            for (String candidate : localSerialCandidates) {
-                if (openLocalSerialPath(candidate, baudRate)) {
-                    return;
-                }
-            }
+            openLocalSerialCandidates(baudRate, localSerialCandidates);
             QLog.d("QZ","UsbSerial local serial auto open failed");
             return;
         }
 
         openLocalSerialPath(devicePath, baudRate);
     }
 
+    private static void openLocalSerialCandidates(int baudRate, String[] candidates) {
+        for (String candidate : candidates) {
+            if (openLocalSerialPath(candidate, baudRate)) {
+                return;
+            }
+        }
+    }
+
     private static boolean openLocalSerialPath(String devicePath, int baudRate) {
         try {
             configureLocalSerial(devicePath, baudRate);
@@ -190,6 +204,29 @@ private static void configureLocalSerial(String devicePath, int baudRate) {
         }
     }
 
+    public static void close() {
+        if(localSerialMode && localSerialFd != null) {
+            try {
+                Os.close(localSerialFd);
+            }
+            catch (ErrnoException e) {
+                QLog.d("QZ","UsbSerial local serial close failed: " + e.getMessage());
+            }
+        }
+        localSerialFd = null;
+        localSerialMode = false;
+        lastReadLen = 0;
+        if(port != null) {
+            try {
+                port.close();
+            }
+            catch (IOException e) {
+                QLog.d("QZ","UsbSerial close failed: " + e.getMessage());
+            }
+            port = null;
+        }
+    }
+
     public static void write (byte[] bytes) {
         if(localSerialMode) {
             if(localSerialFd == null)

src/devices/bluetooth.cpp

@@ -224,8 +224,10 @@ void bluetooth::finished() {
     bool fakedevice_treadmill =
         settings.value(QZSettings::fakedevice_treadmill, QZSettings::default_fakedevice_treadmill).toBool();
     bool waterrower_usb = settings.value(QZSettings::waterrower_usb, QZSettings::default_waterrower_usb).toBool();
+    QString hydrow_serialport =
+        settings.value(QZSettings::hydrow_serialport, QZSettings::default_hydrow_serialport).toString();
     // wifi devices on windows
-    if (!nordictrack_2950_ip.isEmpty() || !tdf_10_ip.isEmpty() || fake_bike || fakedevice_elliptical || fakedevice_rower || fakedevice_treadmill || !proform_elliptical_ip.isEmpty() || !proform_rower_ip.isEmpty() || antbike || android_antbike || waterrower_usb) {
+    if (!nordictrack_2950_ip.isEmpty() || !tdf_10_ip.isEmpty() || fake_bike || fakedevice_elliptical || fakedevice_rower || fakedevice_treadmill || !proform_elliptical_ip.isEmpty() || !proform_rower_ip.isEmpty() || antbike || android_antbike || waterrower_usb || !hydrow_serialport.isEmpty()) {
         // faking a bluetooth device for non-BLE devices
         qDebug() << "faking a bluetooth device for non-BLE device";
         deviceDiscovered(QBluetoothDeviceInfo());
@@ -629,6 +631,8 @@ void bluetooth::deviceDiscovered(const QBluetoothDeviceInfo &device) {
         settings.value(QZSettings::kettler_usb_serialport, QZSettings::default_kettler_usb_serialport).toString();
     QString freebeatSerialPort =
         settings.value(QZSettings::freebeat_serialport, QZSettings::default_freebeat_serialport).toString();
+    QString hydrowSerialPort =
+        settings.value(QZSettings::hydrow_serialport, QZSettings::default_hydrow_serialport).toString();
     QString csaferowerSerialPort = settings.value(QZSettings::csafe_rower, QZSettings::default_csafe_rower).toString();
     bool waterrowerUSBEnabled = settings.value(QZSettings::waterrower_usb, QZSettings::default_waterrower_usb).toBool();
     QString csafeellipticalSerialPort =
@@ -969,6 +973,19 @@ void bluetooth::deviceDiscovered(const QBluetoothDeviceInfo &device) {
                     emit searchingStop();
                 }
                 this->signalBluetoothDeviceConnected(freebeatBike);
+            } else if (!hydrowSerialPort.isEmpty() && !hydrowRower) {
+                qDebug() << QStringLiteral("Hydrow serial enabled on") << hydrowSerialPort;
+                this->stopDiscovery();
+                hydrowRower = new hydrowrower(noWriteResistance, noHeartService, false);
+                emit deviceConnected(b);
+                connect(hydrowRower, &bluetoothdevice::connectedAndDiscovered, this,
+                        &bluetooth::connectedAndDiscovered);
+                connect(hydrowRower, &hydrowrower::debug, this, &bluetooth::debug);
+                hydrowRower->deviceDiscovered(b);
+                if (this->discoveryAgent && !this->discoveryAgent->isActive()) {
+                    emit searchingStop();
+                }
+                this->signalBluetoothDeviceConnected(hydrowRower);
             } else if (!csaferowerSerialPort.isEmpty() && !csafeRower) {
                 this->stopDiscovery();
                 csafeRower = new csaferower(noWriteResistance, noHeartService, false);
@@ -4305,6 +4322,11 @@ void bluetooth::restart() {
         delete freebeatBike;
         freebeatBike = nullptr;
     }
+    if (hydrowRower) {
+
+        delete hydrowRower;
+        hydrowRower = nullptr;
+    }
     if (csafeRower) {
 
         delete csafeRower;
@@ -4593,6 +4615,8 @@ bluetoothdevice *bluetooth::device() {
         return smartrowRower;
     } else if (waterRowerUSB) {
         return waterRowerUSB;
+    } else if (hydrowRower) {
+        return hydrowRower;
     } else if (yesoulBike) {
         return yesoulBike;
     } else if (proformBike) {

src/devices/bluetooth.h

@@ -37,6 +37,7 @@
 #include "devices/computrainerbike/computrainerbike.h"
 #include "devices/kettlerusbbike/kettlerusbbike.h"
 #include "devices/freebeatbike/freebeatbike.h"
+#include "devices/hydrowrower/hydrowrower.h"
 #include "devices/csaferower/csaferower.h"
 #include "devices/csafeelliptical/csafeelliptical.h"
 #endif
@@ -206,6 +207,7 @@ class bluetooth : public QObject, public SignalHandler {
     computrainerbike *computrainerBike = nullptr;
     kettlerusbbike *kettlerUsbBike = nullptr;
     freebeatbike *freebeatBike = nullptr;
+    hydrowrower *hydrowRower = nullptr;
     csaferower *csafeRower = nullptr;
     csafeelliptical *csafeElliptical = nullptr;
 #endif