diff options
| -rw-r--r-- | Makefile | 2 | ||||
| -rw-r--r-- | rawjoystick.c | 464 |
2 files changed, 132 insertions, 334 deletions
@@ -14,7 +14,7 @@ LINUXINCLUDE = -I/usr/local/lib/pd/include -I../../pd/src .c.pd_linux:
cc $(LINUXCFLAGS) $(LINUXINCLUDE) -o $*.o -c $*.c
- ld -export_dynamic -shared -o $*.pd_linux $*.o -lc -lm
+ ld -export_dynamic -shared -o $*.pd_linux $*.o -lc -lm -lSDL
strip --strip-unneeded $*.pd_linux
rm $*.o
diff --git a/rawjoystick.c b/rawjoystick.c index 8a8c905..163cce8 100644 --- a/rawjoystick.c +++ b/rawjoystick.c @@ -1,5 +1,24 @@ -/* (C) Guenter Geiger <geiger@epy.co.at> */
-
+/* Copyright 2003 Hans-Christoph Steiner <hans@eds.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+/*
+ * $Id: rawjoystick.c,v 1.3 2003-04-22 21:46:22 eighthave Exp $
+ */
+static char *version = "$Revision: 1.3 $";
#include <m_imp.h>
@@ -8,7 +27,7 @@ #pragma warning( disable : 4305 )
#endif
-#include <linux/input.h>
+#include <SDL/SDL.h>
#include <sys/stat.h>
@@ -20,220 +39,72 @@ #include <unistd.h>
#include <termios.h>
-#define DEBUG(x)
-/*#define DEBUG(x) x */
-
-
-#define RAWJOYSTICK_DEVICE "/dev/input/event0"
-
-// scaling factor for output
-#define DEF_SCALE 1
-// delay/refresh time in milliseconds
-#define DEF_DELTIME 5
+/*#define DEBUG(x) */
+#define DEBUG(x) x
#define RAWJOYSTICK_AXES 6
#define RAWJOYSTICK_BUTTONS 9
-/* from <linux/input.h>
-// button types
-#define BTN_LEFT 0x110
-#define BTN_RIGHT 0x111
-#define BTN_MIDDLE 0x112
-#define BTN_SIDE 0x113
-#define BTN_EXTRA 0x114
-#define BTN_FORWARD 0x115
-#define BTN_BACK 0x116
-
-// axes
-#define REL_X 0x00
-#define REL_Y 0x01
-#define REL_WHEEL 0x08
-*/
-
-
-/*------------------------------------------------------------------------------
- * from evtest.c from the ff-utils package
- */
-
-#define BITS_PER_LONG (sizeof(long) * 8)
-#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
-#define OFF(x) ((x)%BITS_PER_LONG)
-#define BIT(x) (1UL<<OFF(x))
-#define LONG(x) ((x)/BITS_PER_LONG)
-#define test_bit(bit, array) ((array[LONG(bit)] >> OFF(bit)) & 1)
-
-
-char *events[EV_MAX + 1] = { "Reset", "Key", "Relative", "Absolute", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-NULL, NULL, NULL, "LED", "Sound", NULL, "Repeat", "ForceFeedback", NULL, "ForceFeedbackStatus"};
-char *keys[KEY_MAX + 1] = { "Reserved", "Esc", "1", "2", "3", "4", "5", "6", "7", "8", "9", "0", "Minus", "Equal", "Backspace",
-"Tab", "Q", "W", "E", "R", "T", "Y", "U", "I", "O", "P", "LeftBrace", "RightBrace", "Enter", "LeftControl", "A", "S", "D", "F", "G",
-"H", "J", "K", "L", "Semicolon", "Apostrophe", "Grave", "LeftShift", "BackSlash", "Z", "X", "C", "V", "B", "N", "M", "Comma", "Dot",
-"Slash", "RightShift", "KPAsterisk", "LeftAlt", "Space", "CapsLock", "F1", "F2", "F3", "F4", "F5", "F6", "F7", "F8", "F9", "F10",
-"NumLock", "ScrollLock", "KP7", "KP8", "KP9", "KPMinus", "KP4", "KP5", "KP6", "KPPlus", "KP1", "KP2", "KP3", "KP0", "KPDot", "103rd",
-"F13", "102nd", "F11", "F12", "F14", "F15", "F16", "F17", "F18", "F19", "F20", "KPEnter", "RightCtrl", "KPSlash", "SysRq",
-"RightAlt", "LineFeed", "Home", "Up", "PageUp", "Left", "Right", "End", "Down", "PageDown", "Insert", "Delete", "Macro", "Mute",
-"VolumeDown", "VolumeUp", "Power", "KPEqual", "KPPlusMinus", "Pause", "F21", "F22", "F23", "F24", "KPComma", "LeftMeta", "RightMeta",
-"Compose", "Stop", "Again", "Props", "Undo", "Front", "Copy", "Open", "Paste", "Find", "Cut", "Help", "Menu", "Calc", "Setup",
-"Sleep", "WakeUp", "File", "SendFile", "DeleteFile", "X-fer", "Prog1", "Prog2", "WWW", "MSDOS", "Coffee", "Direction",
-"CycleWindows", "Mail", "Bookmarks", "Computer", "Back", "Forward", "CloseCD", "EjectCD", "EjectCloseCD", "NextSong", "PlayPause",
-"PreviousSong", "StopCD", "Record", "Rewind", "Phone", "ISOKey", "Config", "HomePage", "Refresh", "Exit", "Move", "Edit", "ScrollUp",
-"ScrollDown", "KPLeftParenthesis", "KPRightParenthesis",
-"International1", "International2", "International3", "International4", "International5",
-"International6", "International7", "International8", "International9",
-"Language1", "Language2", "Language3", "Language4", "Language5", "Language6", "Language7", "Language8", "Language9",
-NULL,
-"PlayCD", "PauseCD", "Prog3", "Prog4", "Suspend", "Close",
-NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-"Btn0", "Btn1", "Btn2", "Btn3", "Btn4", "Btn5", "Btn6", "Btn7", "Btn8", "Btn9",
-NULL, NULL, NULL, NULL, NULL, NULL,
-"LeftBtn", "RightBtn", "MiddleBtn", "SideBtn", "ExtraBtn", "ForwardBtn", "BackBtn",
-NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-"Trigger", "ThumbBtn", "ThumbBtn2", "TopBtn", "TopBtn2", "PinkieBtn",
-"BaseBtn", "BaseBtn2", "BaseBtn3", "BaseBtn4", "BaseBtn5", "BaseBtn6",
-NULL, NULL, NULL, "BtnDead",
-"BtnA", "BtnB", "BtnC", "BtnX", "BtnY", "BtnZ", "BtnTL", "BtnTR", "BtnTL2", "BtnTR2", "BtnSelect", "BtnStart", "BtnMode",
-"BtnThumbL", "BtnThumbR", NULL,
-"ToolPen", "ToolRubber", "ToolBrush", "ToolPencil", "ToolAirbrush", "ToolFinger", "ToolMouse", "ToolLens", NULL, NULL,
-"Touch", "Stylus", "Stylus2" };
-
-char *absval[5] = { "Value", "Min ", "Max ", "Fuzz ", "Flat " };
-char *relatives[REL_MAX + 1] = { "X", "Y", "Z", NULL, NULL, NULL, "HWheel", "Dial", "Wheel" };
-char *absolutes[ABS_MAX + 1] = { "X", "Y", "Z", "Rx", "Ry", "Rz", "Throttle", "Rudder", "Wheel", "Gas", "Brake",
-NULL, NULL, NULL, NULL, NULL,
-"Hat0X", "Hat0Y", "Hat1X", "Hat1Y", "Hat2X", "Hat2Y", "Hat3X", "Hat 3Y", "Pressure", "Distance", "XTilt", "YTilt"};
-char *leds[LED_MAX + 1] = { "NumLock", "CapsLock", "ScrollLock", "Compose", "Kana", "Sleep", "Suspend", "Mute" };
-char *repeats[REP_MAX + 1] = { "Delay", "Period" };
-char *sounds[SND_MAX + 1] = { "Bell", "Click" };
-
-char **names[EV_MAX + 1] = { events, keys, relatives, absolutes, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-NULL, NULL, leds, sounds, NULL, repeats, NULL, NULL, NULL };
-
-/*------------------------------------------------------------------------------
- */
/*------------------------------------------------------------------------------
* CLASS DEF
*/
static t_class *rawjoystick_class;
-typedef struct _rawjoystick {
+typedef struct _rawjoystick {
t_object x_obj;
- t_int x_fd;
- t_symbol* x_devname;
+ SDL_Joystick *x_joystick;
+ t_int x_devnum;
int read_ok;
int started;
- struct input_event x_input_event;
- float x_scale;
- float x_translation;
t_outlet *x_axis_out[RAWJOYSTICK_AXES];
t_outlet *x_button_num_out;
t_outlet *x_button_val_out;
t_clock *x_clock;
double x_delaytime;
- unsigned char x_buttons;
- unsigned char x_axes;
-}t_rawjoystick;
+ int x_buttons;
+ int x_hats;
+ int x_axes;
+} t_rawjoystick;
/*------------------------------------------------------------------------------
- * IMPLEMENTATION
- */
-
-//DONE
-static int rawjoystick_close(t_rawjoystick *x)
-{
- DEBUG(post("rawjoystick_close");)
+ */
- if (x->x_fd <0) return 0;
+static int rawjoystick_close(t_rawjoystick *x) {
+ DEBUG(post("rawjoystick_CLOSE"));
- close (x->x_fd);
-
- return 1;
+ if ( SDL_JoystickOpened(x->x_devnum) ) {
+ SDL_JoystickClose(x->x_joystick);
+ return 1;
+ }
+ else {
+ return 0;
+ }
}
-//DONE
-static int rawjoystick_open(t_rawjoystick *x,t_symbol* s)
-{
- int eventType, eventCode;
- unsigned long bitmask[EV_MAX][NBITS(KEY_MAX)];
- char devicename[256] = "Unknown";
- DEBUG(post("rawjoystick_open");)
-
+static int rawjoystick_open(t_rawjoystick *x) {
rawjoystick_close(x);
- /* set obj device name to parameter
- * otherwise set to default
- */
- if (s != &s_)
- x->x_devname = s;
- else {
- post("You need to set a input device (i.e /dev/input/event0)");
- }
+ DEBUG(post("rawjoystick_OPEN"));
/* open device */
- if (x->x_devname) {
- post("opening ...");
- /* open the rawjoystick device read-only, non-exclusive */
- x->x_fd = open (x->x_devname->s_name, O_RDONLY | O_NONBLOCK);
- if (x->x_fd >= 0 ) post("done");
- else post("failed");
- }
- else {
- return 1;
- }
-
+ SDL_JoystickEventState(SDL_ENABLE);
+ x->x_joystick = SDL_JoystickOpen(x->x_devnum);
+
/* test if device open */
- if (x->x_fd >= 0)
- post("%s opened",x->x_devname->s_name);
- else {
- post("unable to open %s",x->x_devname->s_name);
- x->x_fd = -1;
- return 0;
+ /* get name of device */
+ if ( SDL_JoystickOpened(x->x_devnum) ) {
+ post ("Configuring %s",SDL_JoystickName(x->x_devnum));
}
-
- /* read input_events from the RAWJOYSTICK_DEVICE stream
- * It seems that is just there to flush the event input buffer?
- */
- while (read (x->x_fd, &(x->x_input_event), sizeof(struct input_event)) > -1);
-
- /* get name of device */
- ioctl(x->x_fd, EVIOCGNAME(sizeof(devicename)), devicename);
- post ("configuring %s",devicename);
-
- /* get bitmask representing supported events (axes, buttons, etc.) */
- memset(bitmask, 0, sizeof(bitmask));
- ioctl(x->x_fd, EVIOCGBIT(0, EV_MAX), bitmask[0]);
- post("Supported events:");
-
- x->x_axes = 0;
- x->x_buttons = 0;
-
- /* cycle through all possible event types */
- for (eventType = 0; eventType < EV_MAX; eventType++) {
- if (test_bit(eventType, bitmask[0])) {
- post(" %s (type %d) ", events[eventType] ? events[eventType] : "?", eventType);
- // post("Event type %d",eventType);
-
- /* get bitmask representing supported button types */
- ioctl(x->x_fd, EVIOCGBIT(eventType, KEY_MAX), bitmask[eventType]);
-
- /* cycle through all possible event codes (axes, keys, etc.)
- * testing to see which are supported
- */
- for (eventCode = 0; eventCode < KEY_MAX; eventCode++)
- if (test_bit(eventCode, bitmask[eventType])) {
- post(" Event code %d (%s)", eventCode, names[eventType] ? (names[eventType][eventCode] ? names[eventType][eventCode] : "?") : "?");
-
- if ( eventType == EV_KEY )
- x->x_buttons++;
- else if ( eventType == EV_ABS )
- x->x_axes++;
- }
- }
+ else {
+ return 0;
}
-
- post ("\nUsing %d axes and %d buttons.", x->x_axes, x->x_buttons);
+
+ x->x_axes = SDL_JoystickNumAxes(x->x_joystick);
+ x->x_hats = SDL_JoystickNumHats(x->x_joystick);
+ x->x_buttons = SDL_JoystickNumButtons(x->x_joystick);
+
+ post (" device has %i axes, %i hats, and %i buttons.\n",x->x_axes,x->x_hats,x->x_buttons);
post ("WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING");
post ("This object is under development! The interface could change at anytime!");
post ("As I write cross-platform versions, the interface might have to change.");
@@ -242,191 +113,120 @@ static int rawjoystick_open(t_rawjoystick *x,t_symbol* s) return 1;
}
+static int rawjoystick_read(t_rawjoystick *x,int fd) {
+ SDL_Event event;
+ DEBUG(post("rawjoystick_READ"));
-static int rawjoystick_read(t_rawjoystick *x,int fd)
-{
- int readBytes;
- int axis_num = 0;
- t_float button_num = 0;
-
- if (x->x_fd < 0) return 0;
- if (x->read_ok) {
- readBytes = read(x->x_fd, &(x->x_input_event), sizeof(struct input_event));
- DEBUG(post("reading %d",readBytes);)
- if ( readBytes < 0 ) {
- post("rawjoystick: read failed");
- x->read_ok = 0;
- return 0;
- }
- }
- if ( x->x_input_event.type == EV_KEY ) {
- /* key/button event type */
- switch ( x->x_input_event.code ) {
- case BTN_0:
- button_num = 0;
- break;
- case BTN_1:
- button_num = 1;
- break;
- case BTN_2:
- button_num = 2;
- break;
- case BTN_3:
- button_num = 3;
- break;
- case BTN_4:
- button_num = 4;
- break;
- case BTN_5:
- button_num = 5;
- break;
- case BTN_6:
- button_num = 6;
- break;
- case BTN_7:
- button_num = 7;
- break;
- case BTN_8:
- button_num = 8;
- break;
- case BTN_9:
- button_num = 9;
- break;
- case BTN_TRIGGER:
- button_num = 10;
- break;
- case BTN_THUMB:
- button_num = 11;
- break;
- case BTN_THUMB2:
- button_num = 12;
- break;
- case BTN_TOP:
- button_num = 13;
- break;
- case BTN_TOP2:
- button_num = 14;
- break;
- case BTN_PINKIE:
- button_num = 15;
- break;
- case BTN_BASE:
- button_num = 16;
- break;
- case BTN_BASE2:
- button_num = 17;
- break;
- case BTN_BASE3:
- button_num = 18;
- break;
- case BTN_BASE4:
- button_num = 19;
- break;
- case BTN_BASE5:
- button_num = 20;
- break;
- case BTN_BASE6:
- button_num = 21;
- break;
- }
- outlet_float (x->x_button_val_out, x->x_input_event.value);
- outlet_float (x->x_button_num_out, button_num);
+ if ( ! SDL_JoystickOpened(x->x_devnum) ) {
+ return 0;
}
- else if ( x->x_input_event.type == EV_ABS ) {
- /* Relative Axes Event Type */
- switch ( x->x_input_event.code ) {
- case ABS_X:
- axis_num = 0;
- break;
- case ABS_Y:
- axis_num = 1;
- break;
- case ABS_Z:
- axis_num = 2;
+
+ post("Joystick read: %s",SDL_JoystickName(x->x_devnum));
+
+ if ( SDL_PollEvent(&event) ) {
+ post("SDL_Event.type: %i",event.type);
+ post("SDL_JoyAxisEvent.value: %i",event.jaxis.value);
+ post("SDL_JoyButtonEvent.value: %i",event.jbutton.state);
+ switch (event.type) {
+ case SDL_JOYAXISMOTION:
+ outlet_float (x->x_axis_out[event.jaxis.axis], event.jaxis.value);
break;
- case ABS_HAT0X:
- axis_num = 3;
+ case SDL_JOYHATMOTION:
break;
- case ABS_HAT0Y:
- axis_num = 4;
+ case SDL_JOYBUTTONDOWN:
+ outlet_float (x->x_button_val_out, 1);
+ outlet_float (x->x_button_num_out, event.jaxis.axis);
break;
- case ABS_THROTTLE:
- axis_num = 5;
+ case SDL_JOYBUTTONUP:
+ outlet_float (x->x_button_val_out, 0);
+ outlet_float (x->x_button_num_out, event.jaxis.axis);
break;
+ default:
+ DEBUG(post("Unhandled event."));
}
- outlet_float (x->x_axis_out[axis_num], (int)x->x_input_event.value);
}
return 1;
}
-
-
/* Actions */
-static void rawjoystick_bang(t_rawjoystick* x)
-{
- DEBUG(post("rawjoystick_bang");)
-
+static void rawjoystick_bang(t_rawjoystick* x) {
+ DEBUG(post("rawjoystick_bang"));
}
-static void rawjoystick_float(t_rawjoystick* x)
-{
- DEBUG(post("rawjoystick_float");)
-
+static void rawjoystick_float(t_rawjoystick* x) {
+ DEBUG(post("rawjoystick_float"));
}
// DONE
void rawjoystick_start(t_rawjoystick* x)
{
- DEBUG(post("rawjoystick_start");)
+ DEBUG(post("rawjoystick_START"));
- if (x->x_fd >= 0 && !x->started) {
- sys_addpollfn(x->x_fd, (t_fdpollfn)rawjoystick_read, x);
- post("rawjoystick: start");
- x->started = 1;
- }
+ if ( ( SDL_JoystickOpened(x->x_devnum) ) && ( ! x->started ) ) {
+ sys_addpollfn(x->x_devnum, (t_fdpollfn)rawjoystick_read, x);
+ x->started = 1;
+ }
}
// DONE
-void rawjoystick_stop(t_rawjoystick* x)
-{
- DEBUG(post("rawjoystick_stop");)
+void rawjoystick_stop(t_rawjoystick* x) {
+ DEBUG(post("rawjoystick_STOP");)
- if (x->x_fd >= 0 && x->started) {
- sys_rmpollfn(x->x_fd);
- post("rawjoystick: stop");
- x->started = 0;
- }
+ if ( ( SDL_JoystickOpened(x->x_devnum) ) && ( x->started ) ) {
+ sys_rmpollfn(x->x_devnum);
+ x->started = 0;
+ }
}
/* Misc setup functions */
-static void rawjoystick_free(t_rawjoystick* x)
-{
- DEBUG(post("rawjoystick_free");)
+static void rawjoystick_free(t_rawjoystick* x) {
+ DEBUG(post("rawjoystick_free"));
- if (x->x_fd < 0) return;
-
rawjoystick_stop(x);
- close (x->x_fd);
+ if ( SDL_JoystickOpened(x->x_devnum))
+ SDL_JoystickClose(x->x_joystick);
+
+ SDL_Quit();
}
-static void *rawjoystick_new(t_symbol *s)
-{
- int i;
+static void *rawjoystick_new(t_float argument) {
+ int i,joystickNumber;
t_rawjoystick *x = (t_rawjoystick *)pd_new(rawjoystick_class);
- DEBUG(post("rawjoystick_new");)
-
+ DEBUG(post("rawjoystick_NEW"));
+ post("rawHID objects, %s", version);
+ post(" by Hans-Christoph Steiner <hans@eds.org>");
+
/* init vars */
- x->x_fd = -1;
+ x->x_devnum = 0;
x->read_ok = 1;
x->started = 0;
+
+ /* INIT SDL using joystick layer */
+ if ( SDL_Init( SDL_INIT_JOYSTICK ) == -1 ) {
+ post("Could not initialize SDL: %s.\n", SDL_GetError());
+ exit(-1);
+ }
+
+ post("%i joysticks were found:", SDL_NumJoysticks() );
+
+ for( i=0; i < SDL_NumJoysticks(); i++ ) {
+ post(" %s", SDL_JoystickName(i));
+ }
+
+ joystickNumber = (int)argument;
+
+ if ( (joystickNumber >= 0) && (joystickNumber < SDL_NumJoysticks() ) )
+ x->x_devnum = joystickNumber;
+ else
+ post("Joystick %i does not exist!",joystickNumber);
/* create outlets for each axis */
for (i = 0; i < RAWJOYSTICK_AXES; i++)
@@ -436,12 +236,9 @@ static void *rawjoystick_new(t_symbol *s) x->x_button_num_out = outlet_new(&x->x_obj, &s_float);
x->x_button_val_out = outlet_new(&x->x_obj, &s_float);
- if (s != &s_)
- x->x_devname = s;
-
/* Open the device and save settings */
- if (!rawjoystick_open(x,s)) return x;
+ if ( ! rawjoystick_open(x) ) return x;
return (x);
}
@@ -460,10 +257,11 @@ void rawjoystick_setup(void) class_addbang(rawjoystick_class,(t_method) rawjoystick_bang);
/* add inlet message methods */
- class_addmethod(rawjoystick_class, (t_method) rawjoystick_open,gensym("open"),A_DEFSYM);
+ class_addmethod(rawjoystick_class,(t_method) rawjoystick_open,gensym("open"),0);
class_addmethod(rawjoystick_class,(t_method) rawjoystick_close,gensym("close"),0);
class_addmethod(rawjoystick_class,(t_method) rawjoystick_start,gensym("start"),0);
class_addmethod(rawjoystick_class,(t_method) rawjoystick_stop,gensym("stop"),0);
+ class_addmethod(rawjoystick_class,(t_method) rawjoystick_read,gensym("read"),0);
}
|