us428control support for mixxx

This patch allow to change the mapping of the us428, the new mapping is
used with mixxx.
To use the new mapping:
./us428control -m mixxx

Signed-off-by: Cedric GESTES <goctaf@gmail.com>

us428control/Cus428Midi.cc

@@ -1,3 +1,4 @@
+/* -*- mode:C++; indent-tabs-mode:t; tab-width:8; c-basic-offset: 8 -*- */
 /*
  *
  * Copyright (c) 2003 by Karsten Wiese <annabellesgarden@yahoo.de>

us428control/Cus428Midi.h

@@ -1,3 +1,4 @@
+/* -*- mode:C++; indent-tabs-mode:t; tab-width:8; c-basic-offset: 8 -*- */
 /*
  *
  * Copyright (c) 2003 by Karsten Wiese <annabellesgarden@yahoo.de>
@@ -87,14 +88,23 @@ class Cus428Midi {
 		return Err;
 	}
 
-	int SendMidiControl(char Param, char Val){
+	int SendMidiControl(char Channel, char Param, char Val){
-		snd_seq_ev_set_controller(&Ev, 15, Param, Val & 0x7F);
+		snd_seq_ev_set_controller(&Ev, Channel, Param, Val & 0x7F);
 		SubMitEvent();
 		return 0;
 	}
 
-	int SendMidiControl(Cus428State::eKnobs K, bool Down){
+	int SendMidiNote(char Channel, char Note, char Val){
-		return SendMidiControl(KnobParam[K - Cus428State::eK_RECORD], Down ? 0x7F : 0);
+		if (!Val)
+			snd_seq_ev_set_noteoff(&Ev, Channel, Note, Val & 0x7F);
+		else
+			snd_seq_ev_set_noteon(&Ev, Channel, Note, Val & 0x7F);
+		SubMitEvent();
+		return 0;
+	}
+
+	int SendMidiControl(char Channel, Cus428State::eKnobs K, bool Down){
+		return SendMidiControl(Channel, KnobParam[K - Cus428State::eK_RECORD], Down ? 0x7F : 0);
 	}
 
 	// To parse and dispatch input MIDI events.

us428control/Cus428State.cc

@@ -1,3 +1,4 @@
+/* -*- mode:C++; indent-tabs-mode:t; tab-width:8; c-basic-offset: 8 -*- */
 /*
  * Controller for Tascam US-X2Y
  *
@@ -46,7 +47,6 @@ void Cus428State::InitDevice(void)
 		SliderChangedTo(eFaderM, ((unsigned char*)(us428ctls_sharedmem->CtlSnapShot + us428ctls_sharedmem->CtlSnapShotLast))[eFaderM]);
 }
 
-
 int Cus428State::LightSend()
 {
 	int Next = us428ctls_sharedmem->p4outLast + 1;
@@ -57,6 +57,11 @@ int Cus428State::LightSend()
 	return us428ctls_sharedmem->p4outLast = Next;
 }
 
+void Cus428State::SliderSend(int S)
+{
+	Midi.SendMidiControl(15, 0x40 + S, ((unsigned char*)us428_ctls)[S] / 2);
+}
+
 void Cus428State::SendVolume(usX2Y_volume &V)
 {
 	int Next = us428ctls_sharedmem->p4outLast + 1;
@@ -67,54 +72,31 @@ void Cus428State::SendVolume(usX2Y_volume &V)
 	us428ctls_sharedmem->p4outLast = Next;
 }
 
+void Cus428State::UserSliderChangedTo(int S, unsigned char New)
+{
+	SliderSend(S);
+}
+
 void Cus428State::SliderChangedTo(int S, unsigned char New)
 {
-	if (StateInputMonitor() && S <= eFader3
+	if (StateInputMonitor() && S <= eFader3 || S == eFaderM) {
-	    || S == eFaderM) {
 		usX2Y_volume &V = Volume[S >= eFader4 ? eFader4 : S];
 		V.SetTo(S, New);
 		if (S == eFaderM || !LightIs(eL_Mute0 + S))
 			SendVolume(V);
 	}
-	else SliderSend(S);
+	else
+		UserSliderChangedTo(S, New);
 }
 
-void Cus428State::SliderSend(int S)
+void Cus428State::UserKnobChangedTo(eKnobs K, bool V)
 {
-	Midi.SendMidiControl(0x40 + S, ((unsigned char*)us428_ctls)[S] / 2);
-}
-
-void Cus428State::KnobChangedTo(eKnobs K, bool V)
-{
-	switch (K & ~(StateInputMonitor() ? 3 : -1)) {
-	case eK_Select0:
-		if (V) {
-			int S = eL_Select0 + (K & 7);
-			Light[eL_Select0 / 8].Value = 0;
-			LightSet(S, !LightIs(S));
-			LightSend();
-		}
-		break;
-	case eK_Mute0:
-		if (V) {
-			int M = eL_Mute0 + (K & 7);
-			LightSet(M, !LightIs(M));
-			LightSend();
-			if (StateInputMonitor()) {
-				usX2Y_volume V = Volume[M - eL_Mute0];
-				if (LightIs(M))
-					V.LH = V.LL = V.RL = V.RH = 0;
-				SendVolume(V);
-			}
-		}
-		break;
-	default:
 	switch (K) {
 	case eK_STOP:
 		if (verbose > 1)
 			printf("Knob STOP now %i\n", V);
 		if (V) TransportToggle(T_STOP);
-			Midi.SendMidiControl(K, V);
+		Midi.SendMidiControl(15, K, V);
 		break;
 	case eK_PLAY:
 		if (verbose > 1)
@@ -122,7 +104,7 @@ void Cus428State::KnobChangedTo(eKnobs K, bool V)
 		if (V) TransportToggle(T_PLAY);
 		if (verbose > 1)
 			printf(" Light is %i\n", LightIs(eL_Play));
-			Midi.SendMidiControl(K, V);
+		Midi.SendMidiControl(15, K, V);
 		break;
 	case eK_REW:
 		if (verbose > 1)
@@ -130,7 +112,7 @@ void Cus428State::KnobChangedTo(eKnobs K, bool V)
 		if (V) TransportToggle(T_REW);
 		if (verbose > 1)
 			printf(" Light is %i\n", LightIs(eL_Rew));
-			Midi.SendMidiControl(K, V);
+		Midi.SendMidiControl(15, K, V);
 		break;
 	case eK_FFWD:
 		if (verbose > 1)
@@ -138,7 +120,7 @@ void Cus428State::KnobChangedTo(eKnobs K, bool V)
 		if (V) TransportToggle(T_F_FWD);
 		if (verbose > 1)
 			printf(" Light is %i\n", LightIs(eL_FFwd));
-			Midi.SendMidiControl(K, V);
+		Midi.SendMidiControl(15, K, V);
 		break;
 	case eK_RECORD:
 		if (verbose > 1)
@@ -146,7 +128,7 @@ void Cus428State::KnobChangedTo(eKnobs K, bool V)
 		if (V) TransportToggle(T_RECORD);
 		if (verbose > 1)
 			printf(" Light is %i\n", LightIs(eL_Record));
-			Midi.SendMidiControl(K, V);
+		Midi.SendMidiControl(15, K, V);
 		break;
 	case eK_SET:
 		if (verbose > 1)
@@ -177,7 +159,40 @@ void Cus428State::KnobChangedTo(eKnobs K, bool V)
 			}
 		}
 		break;
-		case eK_InputMonitor:
+	default:
+		if (verbose > 1)
+			printf("Knob %i now %i\n", K, V);
+		Midi.SendMidiControl(15, K, V);
+	}
+}
+
+
+void Cus428State::KnobChangedTo(eKnobs K, bool V)
+{
+	switch (K & ~(StateInputMonitor() ? 3 : -1)) {
+	case eK_Select0:
+		if (V) {
+			int S = eL_Select0 + (K & 7);
+			Light[eL_Select0 / 8].Value = 0;
+			LightSet(S, !LightIs(S));
+			LightSend();
+		}
+		break;
+	case eK_Mute0:
+		if (V) {
+			int M = eL_Mute0 + (K & 7);
+			LightSet(M, !LightIs(M));
+			LightSend();
+			if (StateInputMonitor()) {
+				usX2Y_volume V = Volume[M - eL_Mute0];
+				if (LightIs(M))
+					V.LH = V.LL = V.RL = V.RH = 0;
+				SendVolume(V);
+			}
+		}
+		break;
+	default:
+		if (K == eK_InputMonitor) {
 			if (verbose > 1)
 				printf("Knob InputMonitor now %i", V);
 			if (V) {
@@ -195,35 +210,16 @@ void Cus428State::KnobChangedTo(eKnobs K, bool V)
 			}
 			if (verbose > 1)
 				printf(" Light is %i\n", LightIs(eL_InputMonitor));
-			break;
+		} else
-		default:
+			UserKnobChangedTo(K, V);
-			if (verbose > 1)
-				printf("Knob %i now %i\n", K, V);
-			Midi.SendMidiControl(K, V);
-		}
 	}
 }
 
-
+void Cus428State::UserWheelChangedTo(E_In84 W, char Diff)
-void Cus428State::WheelChangedTo(E_In84 W, char Diff)
 {
 	char Param;
 	switch (W) {
 	case eWheelPan:
-		if (StateInputMonitor() && Light[0].Value) {
-			int index = 0;
-
-			while( index < 4 && (1 << index) !=  Light[0].Value)
-				index++;
-
-			if (index >= 4)
-				return;
-
-			Volume[index].PanTo(Diff, us428_ctls->Knob(eK_SET));
-			if (!LightIs(eL_Mute0 + index))
-				SendVolume(Volume[index]);
-			return;
-		}
 		Param = 0x4D;
 		break;
 	case eWheelGain:
@@ -241,7 +237,27 @@ void Cus428State::WheelChangedTo(E_In84 W, char Diff)
 		WheelDelta((int) ((unsigned char *) us428_ctls)[W]);
 		break;
 	}
-	Midi.SendMidiControl(Param, ((unsigned char *) us428_ctls)[W]);
+	Midi.SendMidiControl(15, Param, ((unsigned char *) us428_ctls)[W]);
+}
+
+void Cus428State::WheelChangedTo(E_In84 W, char Diff)
+{
+	if (W == eWheelPan && StateInputMonitor() && Light[0].Value)
+		{
+			int index = 0;
+
+			while( index < 4 && (1 << index) !=  Light[0].Value)
+				index++;
+
+			if (index >= 4)
+				return;
+
+			Volume[index].PanTo(Diff, us428_ctls->Knob(eK_SET));
+			if (!LightIs(eL_Mute0 + index))
+				SendVolume(Volume[index]);
+			return;
+		}
+	UserWheelChangedTo(W, Diff);
 }
 
 
@@ -444,3 +460,181 @@ void Cus428State::MmcReset()
 	LocateSend();
 }
 
+Cus428StateMixxx::Cus428StateMixxx(struct us428ctls_sharedmem* Pus428ctls_sharedmem):Cus428State(Pus428ctls_sharedmem)
+{
+	focus = 0;
+	eq = 0;
+	LightSet(eL_Low, 1);
+	LightSet(eL_LowMid, 0);
+	LightSet(eL_HiMid, 0);
+	LightSet(eL_High, 0);
+	LightSend();
+}
+
+void Cus428StateMixxx::UserKnobChangedTo(eKnobs K, bool V)
+{
+	switch (K) {
+	case eK_BANK_L:
+		if (verbose > 1)
+			printf("Knob BANK_L now %i", V);
+		if (V) LightSet(eL_BankL, !LightIs(eL_BankL));
+		LightSend();
+		Midi.SendMidiNote(0, 51, V ? 127 : 0);
+		break;
+	case eK_BANK_R:
+		if (verbose > 1)
+			printf("Knob BANK_R now %i", V);
+		if (V) LightSet(eL_BankR, !LightIs(eL_BankR));
+		LightSend();
+		Midi.SendMidiNote(1, 51, V ? 127 : 0);
+		break;
+	case eK_REW:
+		if (verbose > 1)
+			printf("Knob REW now %i", V);
+		Midi.SendMidiNote(focus, 60, V ? 127 : 0);
+		break;
+	case eK_FFWD:
+		if (verbose > 1)
+			printf("Knob FFWD now %i", V);
+		Midi.SendMidiNote(focus, 61, V ? 127 : 0);
+		break;
+	case eK_STOP:
+		if (verbose > 1)
+			printf("Knob STOP now %i\n", V);
+		Midi.SendMidiNote(focus, 62, V ? 127 : 0);
+		break;
+	case eK_PLAY:
+		if (verbose > 1)
+			printf("Knob PLAY now %i", V);
+		Midi.SendMidiNote(focus, 63, V ? 127 : 0);
+		break;
+	case eK_RECORD:
+		if (verbose > 1)
+			printf("Knob RECORD now %i", V);
+		Midi.SendMidiNote(focus, 64, V ? 127 : 0);
+		break;
+	case eK_LOW:
+		if (verbose > 1)
+			printf("Knob LOW now %i", V);
+		if (V)
+			{
+				eq = 0;
+				LightSet(eL_Low, 1);
+				LightSet(eL_LowMid, 0);
+				LightSet(eL_HiMid, 0);
+				LightSet(eL_High, 0);
+				LightSend();
+			}
+		break;
+	case eK_LOWMID:
+		if (verbose > 1)
+			printf("Knob LOWMID now %i", V);
+		if (V)
+			{
+				eq = 1;
+				LightSet(eL_Low, 0);
+				LightSet(eL_LowMid, 1);
+				LightSet(eL_HiMid, 0);
+				LightSet(eL_High, 0);
+				LightSend();
+			}
+		break;
+	case eK_HIMID:
+		if (verbose > 1)
+			printf("Knob HIMID now %i", V);
+		if (V)
+			{
+				eq = 2;
+				LightSet(eL_Low, 0);
+				LightSet(eL_LowMid, 0);
+				LightSet(eL_HiMid, 1);
+				LightSet(eL_High, 0);
+				LightSend();
+			}
+		break;
+	case eK_HIGH:
+		if (verbose > 1)
+			printf("Knob HIGH now %i", V);
+		if (V)
+			{
+				eq = 3;
+				LightSet(eL_Low, 0);
+				LightSet(eL_LowMid, 0);
+				LightSet(eL_HiMid, 0);
+				LightSet(eL_High, 1);
+				LightSend();
+			}
+		break;
+	case eK_SET:
+		if (verbose > 1)
+			printf("Knob SET now %i", V);
+		Midi.SendMidiNote(focus, 65, V ? 127 : 0);
+		break;
+	case eK_LOCATE_L:
+		if (verbose > 1)
+			printf("Knob LOCATE_L now %i", V);
+		if (V) {
+			focus = 0;
+		}
+		break;
+	case eK_LOCATE_R:
+		if (verbose > 1)
+			printf("Knob LOCATE_R now %i", V);
+		if (V) {
+			focus = 1;
+		}
+		break;
+	default:
+		if (verbose > 1)
+			printf("Knob %i now %i\n", K, V);
+		if (K >= eK_Select0 && K <= eK_Select0 + 7) {
+			if (V) LightSet(eL_Select0 + (K - eK_Select0), !LightIs(eL_Select0 + (K - eK_Select0)));
+			LightSend();
+		} else if (K >= eK_Mute0 && K <= eK_Mute0 + 7) {
+			if (V) LightSet(eL_Mute0 + (K - eK_Mute0), !LightIs(eL_Mute0 + (K - eK_Mute0)));
+			LightSend();
+		}
+		Midi.SendMidiNote(0, K, V);
+	}
+}
+
+void Cus428StateMixxx::UserSliderChangedTo(int S, unsigned char New)
+{
+	//  if (verbose > 1)
+	//  printf("Slider : %d - %d - %d\n", S, New, ((unsigned char*)us428_ctls)[S]);
+	Midi.SendMidiControl(0, 0x40 + S, ((unsigned char*)us428_ctls)[S] / 2);
+}
+
+void Cus428StateMixxx::UserWheelChangedTo(E_In84 W, char Diff)
+{
+	char Param;
+	char Value;
+	char Channel;
+	//if (verbose > 1)
+	//  printf("Slider : %d - %d - %d\n", W, Diff, ((unsigned char *) us428_ctls)[W]);
+
+	Channel = 0;
+	switch (W) {
+	case eWheelGain:
+		Param = 0x48 + eq * 4;
+		break;
+	case eWheelFreq:
+		Param = 0x49 + eq * 4;
+		break;
+	case eWheelQ:
+		Param = 0x4A + eq * 4;
+		break;
+	case eWheelPan:
+		Param = 0x4B + eq * 4;
+		break;
+	case eWheel:
+		Param = 0x60;
+		Channel = focus;
+		// Update the absolute wheel position.
+		//WheelDelta((int) ((unsigned char *) us428_ctls)[W]);
+		break;
+	}
+	Value = 64 + Diff;
+	Midi.SendMidiControl(Channel, Param, Value);
+	//Midi.SendMidiControl(0, Param, ((unsigned char *) us428_ctls)[W]);
+}

us428control/Cus428State.h

@@ -1,3 +1,4 @@
+/* -*- mode:C++; indent-tabs-mode:t; tab-width:8; c-basic-offset: 8 -*- */
 /*
  * Controller for Tascam US-X2Y
  *
@@ -84,10 +85,15 @@ class Cus428State: public us428_lights{
 		eK_F3,
 	};
 	void InitDevice(void);
+
 	void KnobChangedTo(eKnobs K, bool V);
 	void SliderChangedTo(int S, unsigned char New);
-	void SliderSend(int S);
 	void WheelChangedTo(E_In84 W, char Diff);
+	virtual void UserSliderChangedTo(int S, unsigned char New);
+	virtual void UserWheelChangedTo(E_In84 W, char Diff);
+	virtual void UserKnobChangedTo(eKnobs K, bool V);
+
+	void SliderSend(int S);
 	Cus428_ctls *Set_us428_ctls(Cus428_ctls *New) {
 		Cus428_ctls *Old = us428_ctls;
 		us428_ctls = New;
@@ -104,7 +110,7 @@ class Cus428State: public us428_lights{
 	void TransportSend();
 	// Reset internal MMC state.
 	void MmcReset();
- private:
+protected:
 	void SendVolume(usX2Y_volume &V);
 	struct us428ctls_sharedmem* us428ctls_sharedmem;
 	bool StateInputMonitor() {
@@ -140,6 +146,18 @@ class Cus428State: public us428_lights{
 	int aWheelSpeed;
 };
 
+
+class Cus428StateMixxx: public Cus428State{
+public:
+	Cus428StateMixxx(struct us428ctls_sharedmem* Pus428ctls_sharedmem);
+	void UserKnobChangedTo(eKnobs K, bool V);
+	void UserSliderChangedTo(int S, unsigned char New);
+	void UserWheelChangedTo(E_In84 W, char Diff);
+protected:
+	int focus;
+	int eq;
+};
+
 extern Cus428State* OneState;
 
 #endif

us428control/Cus428_ctls.cc

@@ -1,3 +1,4 @@
+/* -*- mode:C++; indent-tabs-mode:t; tab-width:8; c-basic-offset: 8 -*- */
 /*
  * Controller for Tascam US-X2Y
  *

us428control/Cus428_ctls.h

@@ -1,3 +1,4 @@
+/* -*- mode:C++; indent-tabs-mode:t; tab-width:8; c-basic-offset: 8 -*- */
 /*
  * Controller for Tascam US-X2Y
  *

us428control/us428control.cc

@@ -1,3 +1,4 @@
+/* -*- mode:C++; indent-tabs-mode:t; tab-width:8; c-basic-offset: 8 -*- */
 /*
  * Controller for Tascam US-X2Y
  *
@@ -61,7 +62,8 @@ static void usage(void)
 {
 	printf("Tascam US-428 Control\n");
 	printf("version %s\n", VERSION);
-	printf("usage: "PROGNAME" [-v verbosity_level 0..2] [-c card] [-D device] [-u usb-device]\n");
+	printf("usage: "PROGNAME" [-v verbosity_level 0..2] [-c card] [-D device] [-u usb-device] [-m mode]\n");
+	printf("mode is one of (native, mixxx)\n");
 }
 /*
  * check the name id of the given hwdep handle
@@ -83,7 +85,7 @@ static int check_hwinfo(snd_hwdep_t *hw, const char *id, const char* usb_dev_nam
 	return 0; /* ok */
 }
 
-int US428Control(const char* DevName)
+int US428Control(const char* DevName, int mode)
 {
 	snd_hwdep_t		*hw;
 	int			err;
@@ -117,7 +119,11 @@ int US428Control(const char* DevName)
 		return -ENOMEM;
 	}
 	us428ctls_sharedmem->CtlSnapShotRed = us428ctls_sharedmem->CtlSnapShotLast;
+	if (mode == 1)
+		OneState = new Cus428StateMixxx(us428ctls_sharedmem);
+	else
 		OneState = new Cus428State(us428ctls_sharedmem);
+
 	OneState->InitDevice();
 
 	while ((pollrc = poll(pfds, npfd, 60000)) >= 0) {
@@ -152,12 +158,13 @@ int US428Control(const char* DevName)
 int main (int argc, char *argv[])
 {
 	int c;
+	int mode = 0;
 	int card = -1;
 	char	*device_name = NULL,
 		*usb_device_name = getenv("DEVICE");
 	char name[64];
 
-	while ((c = getopt(argc, argv, "c:D:u:v:")) != -1) {
+	while ((c = getopt(argc, argv, "c:D:u:v:m:")) != -1) {
 		switch (c) {
 		case 'c':
 			card = atoi(optarg);
@@ -171,6 +178,10 @@ int main (int argc, char *argv[])
 		case 'v':
 			verbose = atoi(optarg);
 			break;
+		case 'm':
+			if (!strcmp(optarg, "mixxx"))
+				mode = 1;
+			break;
 		default:
 			usage();
 			return 1;
@@ -190,18 +201,18 @@ int main (int argc, char *argv[])
 		}
 	}
 	if (device_name) {
-		return US428Control(device_name) != 0;
+		return US428Control(device_name, mode) != 0;
 	}
 	if (card >= 0) {
 		sprintf(name, "hw:%d", card);
-		return US428Control(name) != 0;
+		return US428Control(name, mode) != 0;
 	}
 
 	/* probe the all cards */
 	for (c = 0; c < SND_CARDS; c++) {
 		//	verbose--;
 		sprintf(name, "hw:%d", c);
-		if (! US428Control(name))
+		if (!US428Control(name, mode))
 			card = c;
 	}
 	if (card < 0) {

us428control/usbus428ctldefs.h

@@ -1,3 +1,4 @@
+/* -*- mode:C++; indent-tabs-mode:t; tab-width:8; c-basic-offset: 8 -*- */
 /*
  *
  * Copyright (c) 2003 by Karsten Wiese <annabellesgarden@yahoo.de>
@@ -158,7 +159,12 @@ struct us428_lights{
 		eL_FFwd = 29,
 		eL_Play = 30,
 		eL_Record = 31,
-		eL_Null
+		eL_AnalogDigital = 32,
+		eL_Null = 34,
+		eL_Low = 36,
+		eL_LowMid = 37,
+		eL_HiMid = 38,
+		eL_High = 39
 	};
 	bool LightIs(int L){
 		return Light[L / 8].Value & (1 << (L % 8));