fix: wheel protocol config (#8)

eddieavd · web-flow · commit 552a7d4e684d · 2025-10-04T16:04:38.000+02:00
diff --git a/include/fffb/joy/protocol.hxx b/include/fffb/joy/protocol.hxx
@@ -28,10 +28,12 @@ namespace fffb
 
 constexpr uti::u32_t Logitech_VendorID         { 0x0000046d } ;
 constexpr uti::u32_t Logitech_G923_PS_DeviceID { 0xc266046d } ;
+constexpr uti::u32_t Logitech_G29_PS4_DeviceID { 0xc24f046d } ;
 
-constexpr uti::array< uti::u32_t, 1 > known_wheel_device_ids
+constexpr uti::array< uti::u32_t, 2 > known_wheel_device_ids
 {
         Logitech_G923_PS_DeviceID,
+        Logitech_G29_PS4_DeviceID,
 } ;
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -152,6 +154,8 @@ public:
         static constexpr report    play_force ( ffb_protocol const protocol, uti::u8_t slots ) noexcept ;
         static constexpr report refresh_force ( ffb_protocol const protocol, force const & f ) noexcept ;
         static constexpr report    stop_force ( ffb_protocol const protocol, uti::u8_t slots ) noexcept ;
+
+        static constexpr vector< report > init_sequence ( ffb_protocol const protocol, uti::u32_t device_id ) noexcept ;
 private:
         static constexpr report  _constant_force ( ffb_protocol const protocol, force const & force ) noexcept ;
         static constexpr report    _spring_force ( ffb_protocol const protocol, force const & force ) noexcept ;
@@ -328,6 +332,27 @@ constexpr report protocol::stop_force ( ffb_protocol const protocol, uti::u8_t s
         }
 }
 
+constexpr vector< report > protocol::init_sequence ( ffb_protocol const protocol, uti::u32_t device_id ) noexcept
+{
+        vector< report > reports ;
+
+        if( protocol == ffb_protocol::logitech_classic )
+        {
+                switch( device_id )
+                {
+                        case Logitech_G923_PS_DeviceID:
+                                reports.push_back( { 0x30, 0xf8, 0x09, 0x05, 0x01 } ) ;
+                                break ;
+                        case Logitech_G29_PS4_DeviceID:
+                                reports.push_back( { 0x30, 0xf8, 0x09, 0x05, 0x01 } ) ;
+                                break ;
+                        default:
+                                FFFB_F_ERR_S( "protocol::init_sequence", "unknown device id" ) ;
+                }
+        }
+        return reports ;
+}
+
 constexpr report protocol::_constant_force ( ffb_protocol const protocol, force const & f ) noexcept
 {
         uti::u8_t command   = f.params.slot << 4 ;
diff --git a/include/fffb/joy/wheel.hxx b/include/fffb/joy/wheel.hxx
@@ -87,6 +87,8 @@ private:
 
         constexpr bool _write_report (          report   const & report , char const * scope ) const noexcept ;
         constexpr bool _write_reports ( vector< report > const & reports, char const * scope ) const noexcept ;
+
+        constexpr bool _init_protocol () const noexcept ;
 } ;
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -113,20 +115,23 @@ constexpr wheel::wheel () noexcept
                                 FFFB_F_INFO_S( "wheel::ctor", "using wheel with device id 0x%.8x", device.device_id() ) ;
                                 device_ = UTI_MOVE( device ) ;
                                 protocol_ = get_supported_protocol( device_ ) ;
-
-                                return ;
                         }
                 }
                 if( device.vendor_id() == Logitech_VendorID )
                 {
                         FFFB_F_WARN_S( "wheel::ctor", "using unknown logitech wheel with device id 0x%.8x", device.device_id() ) ;
                         device_ = UTI_MOVE( device ) ;
                         protocol_ = get_supported_protocol( device_ ) ;
-
-                        return ;
                 }
         }
-        FFFB_F_ERR_S( "wheel::ctor", "no known wheels found!" ) ;
+        if( device_ )
+        {
+                _init_protocol() ;
+        }
+        else
+        {
+                FFFB_F_ERR_S( "wheel::ctor", "no known wheels found!" ) ;
+        }
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -472,5 +477,16 @@ constexpr bool wheel::_write_reports ( vector< report > const & reports, [[ mayb
 
 ////////////////////////////////////////////////////////////////////////////////
 
+constexpr bool wheel::_init_protocol () const noexcept
+{
+        auto init_sequence = protocol::init_sequence( protocol_, device_.device_id() ) ;
+
+        if( init_sequence.empty() ) return true ;
+
+        return _write_reports( init_sequence, "wheel::init_sequence" ) ;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
 
 } // namespace fffb
