Add support for PIUIO Linux kernel driver, courtesy of djpohly.

src/LightsManager.cpp

@@ -15,7 +15,7 @@
 #include "CommonMetrics.h"
 #include "Style.h"
 
-const RString DEFAULT_LIGHTS_DRIVER = "SystemMessage,Export";
+const RString DEFAULT_LIGHTS_DRIVER = "PIUIO,SystemMessage,Export";
 static Preference<RString> g_sLightsDriver( "LightsDriver", "" ); // "" == DEFAULT_LIGHTS_DRIVER
 Preference<float>	g_fLightsFalloffSeconds( "LightsFalloffSeconds", 0.1f );
 Preference<float>	g_fLightsAheadSeconds( "LightsAheadSeconds", 0.05f );

src/Makefile.am

@@ -241,7 +241,8 @@ ArchHooks = arch/ArchHooks/ArchHooks.cpp arch/ArchHooks/ArchHooks.h \
 	arch/ArchHooks/ArchHooksUtil.cpp
 
 InputHandler = arch/InputHandler/InputHandler.cpp arch/InputHandler/InputHandler.h \
-		arch/InputHandler/InputHandler_MonkeyKeyboard.cpp arch/InputHandler/InputHandler_MonkeyKeyboard.h
+		arch/InputHandler/InputHandler_MonkeyKeyboard.cpp arch/InputHandler/InputHandler_MonkeyKeyboard.h \
+		arch/InputHandler/InputHandler_Linux_PIUIO.cpp arch/InputHandler/InputHandler_Linux_PIUIO.h
 
 MovieTexture = arch/MovieTexture/MovieTexture.cpp arch/MovieTexture/MovieTexture.h \
 		arch/MovieTexture/MovieTexture_Generic.cpp arch/MovieTexture/MovieTexture_Generic.h \
@@ -277,7 +278,8 @@ if UNIX
 ArchHooks += arch/ArchHooks/ArchHooks_Unix.cpp arch/ArchHooks/ArchHooks_Unix.h
 Threads += arch/Threads/Threads_Pthreads.cpp arch/Threads/Threads_Pthreads.h
 if LINUX
-Lights += arch/Lights/LightsDriver_LinuxWeedTech.cpp arch/Lights/LightsDriver_LinuxWeedTech.h
+Lights += arch/Lights/LightsDriver_LinuxWeedTech.cpp arch/Lights/LightsDriver_LinuxWeedTech.h \
+		arch/Lights/LightsDriver_Linux_PIUIO.cpp arch/Lights/LightsDriver_Linux_PIUIO.h
 if HAVE_PARALLEL_PORT
 Lights += arch/Lights/LightsDriver_LinuxParallel.cpp arch/Lights/LightsDriver_LinuxParallel.h
 endif

src/RageInputDevice.cpp

@@ -231,6 +231,7 @@ static const char *InputDeviceNames[] = {
 	"Pump2",
 	"Midi",
 	"Mouse",
+	"PIUIO",
 };
 XToString( InputDevice );
 StringToX( InputDevice );

src/RageInputDevice.h

@@ -47,6 +47,7 @@ enum InputDevice
 	DEVICE_PUMP2,
 	DEVICE_MIDI,
 	DEVICE_MOUSE,
+	DEVICE_PIUIO,
 	NUM_InputDevice,		// leave this at the end
 	InputDevice_Invalid		// means this is NULL
 };

src/arch/InputHandler/InputHandler_Linux_PIUIO.cpp

@@ -0,0 +1,134 @@
+#include "global.h"
+#include "InputHandler_Linux_PIUIO.h"
+#include "RageLog.h"
+#include "RageUtil.h"
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <set>
+
+REGISTER_INPUT_HANDLER_CLASS2( PIUIO, Linux_PIUIO );
+
+InputHandler_Linux_PIUIO::InputHandler_Linux_PIUIO()
+{
+	LOG->Trace( "InputHandler_Linux_PIUIO::InputHandler_Linux_PIUIO" );
+
+	fd = open( "/dev/piuio0", O_RDONLY );
+	if( fd < 0 )
+	{
+		LOG->Warn( "Couldn't open PIUIO device: %s", strerror(errno) );
+		return;
+	}
+
+	struct stat st;
+	if( fstat( fd, &st ) == -1 )
+	{
+		LOG->Warn( "Couldn't stat PIUIO device: %s", strerror(errno) );
+		close(fd);
+		return;
+	}
+
+	if( !S_ISCHR( st.st_mode ) )
+	{
+		LOG->Warn( "Ignoring /dev/piuio0: not a character device" );
+		close(fd);
+		return;
+	}
+
+	LOG->Info("Opened PIUIO device for input");
+
+	m_bShutdown = false;
+
+	m_InputThread.SetName( "PIUIO thread" );
+	m_InputThread.Create( InputThread_Start, this );
+}
+
+InputHandler_Linux_PIUIO::~InputHandler_Linux_PIUIO()
+{
+	if( m_InputThread.IsCreated() )
+	{
+		m_bShutdown = true;
+		LOG->Trace( "Shutting down PIUIO thread ..." );
+		m_InputThread.Wait();
+		LOG->Trace( "PIUIO thread shut down." );
+	}
+
+	if (fd >= 0)
+		close(fd);
+}
+
+int InputHandler_Linux_PIUIO::InputThread_Start( void *p )
+{
+	((InputHandler_Linux_PIUIO *) p)->InputThread();
+	return 0;
+}
+
+void InputHandler_Linux_PIUIO::InputThread()
+{
+	unsigned char inputs[32];
+	while( !m_bShutdown )
+	{
+		int ret = read(fd, &inputs, sizeof(inputs));
+		if (ret != sizeof(inputs))
+		{
+			LOG->Warn("Unexpected packet (size %i != %i) from PIUIO", ret, (int)sizeof(inputs));
+			continue;
+		}
+		RageTimer now;
+
+		InputDevice id = InputDevice(DEVICE_JOY1);
+
+		int i;
+		for (i = 8; i < 32; i++)
+			inputs[i % 8] &= inputs[i];
+		for (i = 0; i < 8; i++)
+			lastInputs[i] ^= inputs[i];
+		for (i = 0; i < 64; i++)
+			if (lastInputs[i / 8] & (128 >> (i % 8)))
+				ButtonPressed(DeviceInput(id, enum_add2(JOY_BUTTON_1, i),
+						!(inputs[i / 8] & (128 >> (i % 8))), now));
+		for (i = 0; i < 8; i++)
+			lastInputs[i] = inputs[i];
+	}
+
+	InputHandler::UpdateTimer();
+}
+
+void InputHandler_Linux_PIUIO::GetDevicesAndDescriptions( vector<InputDeviceInfo>& vDevicesOut )
+{
+	vDevicesOut.push_back( InputDeviceInfo(InputDevice(DEVICE_PIUIO), "PIUIO") );
+}
+
+/*
+ * Written by Devin J. Pohly, 2012.  Based on code from Input_Linux_Joystick,
+ * the copyright and license for which is reproduced below.
+ *
+ * (c) 2003-2004 Glenn Maynard
+ * All rights reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, and/or sell copies of the Software, and to permit persons to
+ * whom the Software is furnished to do so, provided that the above
+ * copyright notice(s) and this permission notice appear in all copies of
+ * the Software and that both the above copyright notice(s) and this
+ * permission notice appear in supporting documentation.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
+ * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
+ * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
+ * OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */

src/arch/InputHandler/InputHandler_Linux_PIUIO.h

@@ -0,0 +1,53 @@
+#ifndef INPUT_HANDLER_LINUX_PIUIO_H
+#define INPUT_HANDLER_LINUX_PIUIO_H 1
+
+#include "InputHandler.h"
+#include "RageThreads.h"
+
+
+class InputHandler_Linux_PIUIO: public InputHandler
+{
+public:
+	InputHandler_Linux_PIUIO();
+	~InputHandler_Linux_PIUIO();
+	void GetDevicesAndDescriptions( vector<InputDeviceInfo>& vDevicesOut );
+
+private:
+	static int InputThread_Start( void *p );
+	void InputThread();
+
+	int fd;
+	unsigned char lastInputs[8];
+	RageThread m_InputThread;
+	bool m_bShutdown;
+};
+
+#endif
+
+/*
+ * Written by Devin J. Pohly, 2012.  Based on code from Input_Linux_Joystick,
+ * the copyright and license for which is reproduced below.
+ *
+ * (c) 2003-2004 Glenn Maynard
+ * All rights reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, and/or sell copies of the Software, and to permit persons to
+ * whom the Software is furnished to do so, provided that the above
+ * copyright notice(s) and this permission notice appear in all copies of
+ * the Software and that both the above copyright notice(s) and this
+ * permission notice appear in supporting documentation.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
+ * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
+ * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
+ * OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */

src/arch/Lights/LightsDriver_Linux_PIUIO.cpp

@@ -0,0 +1,80 @@
+#include "global.h"
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include "LightsDriver_Linux_PIUIO.h"
+#include "RageLog.h"
+
+REGISTER_SOUND_DRIVER_CLASS2(PIUIO, Linux_PIUIO);
+
+LightsDriver_Linux_PIUIO::LightsDriver_Linux_PIUIO()
+{
+	// Open port
+	fd = open("/dev/piuio0", O_WRONLY);
+	if( fd < 0 )
+	{
+		LOG->Warn( "Error opening serial port for lights. Error:: %d %s", errno, strerror(errno) );
+		return;
+	}
+	LOG->Info("Opened PIUIO device for lights");
+}
+
+LightsDriver_Linux_PIUIO::~LightsDriver_Linux_PIUIO()
+{
+	if( fd >= 0 )
+		close(fd);
+}
+
+void LightsDriver_Linux_PIUIO::Set( const LightsState *ls )
+{
+	unsigned char buf[8] = { 0, 0, 0, 0x08, 0x37, 0, 0, 0 };
+	static unsigned char oldbuf[8] = { 0, 0, 0, 0x08, 0x37, 0, 0, 0 };
+
+	if (ls->m_bCabinetLights[LIGHT_MARQUEE_UP_LEFT]) buf[2] |= 0x80;
+	if (ls->m_bCabinetLights[LIGHT_MARQUEE_UP_RIGHT]) buf[3] |= 0x04;
+	if (ls->m_bCabinetLights[LIGHT_MARQUEE_LR_LEFT]) buf[3] |= 0x02;
+	if (ls->m_bCabinetLights[LIGHT_MARQUEE_LR_RIGHT]) buf[3] |= 0x01;
+	if (ls->m_bCabinetLights[LIGHT_BASS_LEFT] || ls->m_bCabinetLights[LIGHT_BASS_RIGHT]) buf[1] |= 0x04;
+
+	if (ls->m_bGameButtonLights[GameController_1][DANCE_BUTTON_LEFT]) buf[2] |= 0x10;
+	if (ls->m_bGameButtonLights[GameController_1][DANCE_BUTTON_RIGHT]) buf[2] |= 0x20;
+	if (ls->m_bGameButtonLights[GameController_1][DANCE_BUTTON_UP]) buf[2] |= 0x04;
+	if (ls->m_bGameButtonLights[GameController_1][DANCE_BUTTON_DOWN]) buf[2] |= 0x08;
+	if (ls->m_bGameButtonLights[GameController_2][DANCE_BUTTON_LEFT]) buf[0] |= 0x10;
+	if (ls->m_bGameButtonLights[GameController_2][DANCE_BUTTON_RIGHT]) buf[0] |= 0x20;
+	if (ls->m_bGameButtonLights[GameController_2][DANCE_BUTTON_UP]) buf[0] |= 0x04;
+	if (ls->m_bGameButtonLights[GameController_2][DANCE_BUTTON_DOWN]) buf[0] |= 0x08;
+	if (!memcmp(buf, oldbuf, 8))
+		return;
+	memcpy(oldbuf, buf, 8);
+
+	write(fd, buf, 8);
+}
+
+/*
+ * (c) 2012 Devin J. Pohly
+ * All rights reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, and/or sell copies of the Software, and to permit persons to
+ * whom the Software is furnished to do so, provided that the above
+ * copyright notice(s) and this permission notice appear in all copies of
+ * the Software and that both the above copyright notice(s) and this
+ * permission notice appear in supporting documentation.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
+ * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
+ * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
+ * OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */

src/arch/Lights/LightsDriver_Linux_PIUIO.h

@@ -0,0 +1,44 @@
+/* LightsDriver_Linux_PIUIO: Control lights via PIUIO kernel driver */
+
+#ifndef LightsDriver_Linux_PIUIO_H
+#define LightsDriver_Linux_PIUIO_H
+
+#include "arch/Lights/LightsDriver.h"
+
+class LightsDriver_Linux_PIUIO : public LightsDriver
+{
+public:
+	LightsDriver_Linux_PIUIO();
+	virtual ~LightsDriver_Linux_PIUIO();
+
+	virtual void Set( const LightsState *ls );
+private:
+	int fd;
+};
+
+#endif
+
+/*
+ * (c) 2012 Devin J. Pohly
+ * All rights reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, and/or sell copies of the Software, and to permit persons to
+ * whom the Software is furnished to do so, provided that the above
+ * copyright notice(s) and this permission notice appear in all copies of
+ * the Software and that both the above copyright notice(s) and this
+ * permission notice appear in supporting documentation.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
+ * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
+ * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
+ * OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */

src/arch/arch.cpp

@@ -31,6 +31,9 @@ void MakeInputHandlers( const RString &drivers, vector<InputHandler *> &Add )
 #ifdef USE_INPUT_HANDLER_DIRECTINPUT
 		if( !s->CompareNoCase("DirectInput") )	ret = new InputHandler_DInput;
 #endif
+#ifdef USE_INPUT_HANDLER_PIUIO
+		if( !s->CompareNoCase("PIUIO") )	ret = new InputHandler_Linux_PIUIO;
+#endif
 #ifdef USE_INPUT_HANDLER_LINUX_JOYSTICK
 		if( !s->CompareNoCase("Joystick") )	ret = new InputHandler_Linux_Joystick;
 #endif
@@ -74,6 +77,9 @@ void MakeLightsDrivers( const RString &driver, vector<LightsDriver *> &Add )
 
 	LightsDriver *ret = NULL;
 
+#ifdef USE_LIGHTS_DRIVER_LINUX_PIUIO
+	if( !driver.CompareNoCase("PIUIO") )		ret = new LightsDriver_Linux_PIUIO;
+#endif
 #ifdef USE_LIGHTS_DRIVER_LINUX_PARALLEL
 	if( !driver.CompareNoCase("LinuxParallel") )	ret = new LightsDriver_LinuxParallel;
 #endif

src/arch/arch_default.h

@@ -34,7 +34,7 @@
 #include "LoadingWindow/LoadingWindow_Gtk.h"
 #endif
 #if defined(LINUX)
-#define DEFAULT_INPUT_DRIVER_LIST "X11,Event,Joystick"
+#define DEFAULT_INPUT_DRIVER_LIST "PIUIO,X11,Event,Joystick"
 #else
 #define DEFAULT_INPUT_DRIVER_LIST "X11"
 #endif