provide some support for mackie devices like Steinberg's CMCs that do not do the normal Mackie spec handshaking

git-svn-id: svn://localhost/ardour2/branches/3.0@12252 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/surfaces/mackie/device_info.cc

@@ -50,6 +50,7 @@ DeviceInfo::DeviceInfo()
 	, _has_touch_sense_faders (true)
 	, _uses_logic_control_buttons (false)
 	, _uses_ipmidi (false)
+	, _no_handshake (false)
 	, _name (X_("Mackie Control Universal Pro"))
 {
 	mackie_control_buttons ();
@@ -281,6 +282,14 @@ DeviceInfo::set_state (const XMLNode& node, int /* version */)
 		_uses_ipmidi = false;
 	}
 
+	if ((child = node.child ("NoHandShake")) != 0) {
+		if ((prop = child->property ("value")) != 0) {
+			_no_handshake = string_is_affirmative (prop->value());
+		}
+	} else {
+		_no_handshake = false;
+	}
+
 	if ((child = node.child ("LogicControlButtons")) != 0) {
 		if ((prop = child->property ("value")) != 0) {
 			_uses_logic_control_buttons = string_is_affirmative (prop->value());
@@ -395,6 +404,12 @@ DeviceInfo::has_jog_wheel () const
 	return _has_jog_wheel;
 }
 
+bool
+DeviceInfo::no_handshake () const
+{
+	return _no_handshake;
+}
+
 bool
 DeviceInfo::has_touch_sense_faders () const
 {

libs/surfaces/mackie/device_info.h

@@ -67,6 +67,7 @@ class DeviceInfo
 	bool has_jog_wheel () const;
 	bool has_touch_sense_faders() const;
 	bool uses_ipmidi() const;
+	bool no_handshake() const;
 	const std::string& name() const;
 
 	static std::map<std::string,DeviceInfo> device_info;
@@ -86,6 +87,7 @@ class DeviceInfo
     bool     _has_touch_sense_faders;
     bool     _uses_logic_control_buttons;
     bool     _uses_ipmidi;
+    bool     _no_handshake;
     std::string _name;
 
     std::map<Button::ID,GlobalButtonInfo> _global_buttons;

libs/surfaces/mackie/surface.cc

@@ -299,9 +299,14 @@ Surface::handle_midi_pitchbend_message (MIDI::Parser&, MIDI::pitchbend_t pb, uin
 	 * when we connected to the per-channel pitchbend events.
 	 */
 
+
 	DEBUG_TRACE (DEBUG::MackieControl, string_compose ("handle_midi pitchbend on port %3, fader = %1 value = %2\n", 
 							   fader_id, pb, _number));
 	
+	if (_mcp.device_info().no_handshake()) {
+		turn_it_on ();
+	}
+
 	Fader* fader = faders[fader_id];
 
 	if (fader) {
@@ -324,6 +329,10 @@ Surface::handle_midi_note_on_message (MIDI::Parser &, MIDI::EventTwoBytes* ev)
 {
 	DEBUG_TRACE (DEBUG::MackieControl, string_compose ("SurfacePort::handle_note_on %1 = %2\n", (int) ev->note_number, (int) ev->velocity));
 	
+	if (_mcp.device_info().no_handshake()) {
+		turn_it_on ();
+	}
+
 	Button* button = buttons[ev->note_number];
 
 	if (button) {
@@ -348,6 +357,10 @@ Surface::handle_midi_controller_message (MIDI::Parser &, MIDI::EventTwoBytes* ev
 {
 	DEBUG_TRACE (DEBUG::MackieControl, string_compose ("SurfacePort::handle_midi_controller %1 = %2\n", (int) ev->controller_number, (int) ev->value));
 
+	if (_mcp.device_info().no_handshake()) {
+		turn_it_on ();
+	}
+
 	Pot* pot = pots[ev->controller_number];
 
 	// bit 6 gives the sign
@@ -387,6 +400,10 @@ Surface::handle_midi_sysex (MIDI::Parser &, MIDI::byte * raw_bytes, size_t count
 
 	DEBUG_TRACE (DEBUG::MackieControl, string_compose ("handle_midi_sysex: %1\n", bytes));
 
+	if (_mcp.device_info().no_handshake()) {
+		turn_it_on ();
+	}
+
 	/* always save the device type ID so that our outgoing sysex messages
 	 * are correct 
 	 */
@@ -406,12 +423,7 @@ Surface::handle_midi_sysex (MIDI::Parser &, MIDI::byte * raw_bytes, size_t count
 			write_sysex (host_connection_query (bytes));
 		} else {
 			if (!_active) {
-				_active = true;
+				turn_it_on ();
-				zero_controls ();
-				for (Strips::iterator s = strips.begin(); s != strips.end(); ++s) {
-					(*s)->notify_all ();
-				}
-				update_view_mode_display ();
 			}
 		}
 		break;
@@ -493,6 +505,19 @@ Surface::host_connection_confirmation (const MidiByteArray & bytes)
 	return MidiByteArray (2, 0x13, 0x00);
 }
 
+void
+Surface::turn_it_on ()
+{
+	if (!_active) {
+		_active = true;
+		zero_controls ();
+		for (Strips::iterator s = strips.begin(); s != strips.end(); ++s) {
+			(*s)->notify_all ();
+		}
+		update_view_mode_display ();
+	}
+}
+
 void 
 Surface::handle_port_inactive (SurfacePort*)
 {

libs/surfaces/mackie/surface.h

@@ -174,6 +174,7 @@ public:
 	void init_strips (uint32_t n);
 	void setup_master ();
 	void master_gain_changed ();
+	void turn_it_on ();
 };
 
 }