first working version; all seems to work except I haven't figured out the time struct yet

svn path=/trunk/externals/hcs/; revision=572

2 files changed, 382 insertions, 0 deletions

diff --git a/rawevent.c b/rawevent.c
new file mode 100644
index 0000000..8bcb01a
--- /dev/null
+++ b/rawevent.c
@@ -0,0 +1,368 @@
+/* (C) Guenter Geiger <geiger@epy.co.at> */

+

+

+#include <m_imp.h>

+

+#ifdef NT

+#pragma warning( disable : 4244 )

+#pragma warning( disable : 4305 )

+#endif

+

+#include <linux/input.h>

+

+#include <sys/stat.h>

+

+#include <string.h>

+#include <sys/time.h>

+#include <sys/types.h>

+#include <sys/fcntl.h>

+#include <sys/ioctl.h>

+#include <unistd.h>

+#include <termios.h>

+

+#define DEBUG(x) 

+/*#define DEBUG(x) x */

+

+#define RAWEVENT_DEVICE   "/dev/input/event0"

+#define RAWEVENT_OUTLETS  4

+

+/*------------------------------------------------------------------------------

+ * 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 *rawevent_class;

+

+typedef struct _rawevent {

+  t_object            x_obj;

+  t_int               x_fd;

+  t_symbol*           x_devname;

+  int                 read_ok;

+  int                 started;

+  struct input_event  x_input_event; 

+  t_outlet            *x_input_event_time_outlet;

+  t_outlet            *x_input_event_type_outlet;

+  t_outlet            *x_input_event_code_outlet;

+  t_outlet            *x_input_event_value_outlet;

+}t_rawevent;

+

+/*------------------------------------------------------------------------------

+ * IMPLEMENTATION                    

+ */

+

+//DONE

+static int rawevent_close(t_rawevent *x)

+{

+    DEBUG(post("rawevent_close");)

+

+     if (x->x_fd <0) return 0;

+

+     close (x->x_fd);

+

+     return 1;

+}

+

+//DONE

+static int rawevent_open(t_rawevent *x,t_symbol* s)

+{

+  int eventType, eventCode, buttons, rel_axes, abs_axes, ff;

+  unsigned long bitmask[EV_MAX][NBITS(KEY_MAX)];

+  char devicename[256] = "Unknown";

+  DEBUG(post("rawevent_open");)

+

+  rawevent_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)");

+  }

+  

+  /* open device */

+  if (x->x_devname) {

+    post("opening ...");

+    /* open the rawevent 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;

+  }

+  

+  /* 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;

+  }

+  

+  /* read input_events from the RAWEVENT_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:");

+    

+  rel_axes = 0;

+  abs_axes = 0;

+  buttons = 0;

+  ff = 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] : "?") : "?");

+

+	  switch(eventType) {

+	  case EV_RST:

+	    break;

+	  case EV_KEY:

+	    buttons++;

+	    break;

+	  case EV_REL:

+	    rel_axes++;

+	    break;

+	  case EV_ABS:

+	    abs_axes++;

+	    break;

+	  case EV_MSC:

+	    break;

+	  case EV_LED:

+	    break;

+	  case EV_SND:

+	    break;

+	  case EV_REP:

+	    break;

+	  case EV_FF:

+	    ff++;

+	    break;

+	  }

+	}

+    }        

+  }

+    

+  post ("\nUsing %d relative axes, %d absolute axes, and %d buttons.", rel_axes, abs_axes, buttons);

+  if (ff > 0) post ("Detected %d force feedback types",ff);

+  post ("");

+  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.");

+  post ("WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING");

+    

+  return 1;

+}

+

+

+

+static int rawevent_read(t_rawevent *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("rawevent: read failed");

+      x->read_ok = 0;

+      return 0;

+    }

+  }

+  /*   outlet_float (x->x_input_event_time_outlet, x->x_input_event.time); */

+  outlet_float (x->x_input_event_type_outlet, x->x_input_event.type);

+  outlet_float (x->x_input_event_code_outlet, x->x_input_event.code);

+  outlet_float (x->x_input_event_value_outlet, (int)x->x_input_event.value);

+  

+  return 1;    

+}

+

+

+

+/* Actions */

+

+static void rawevent_bang(t_rawevent* x)

+{

+    DEBUG(post("rawevent_bang");)

+   

+}

+

+static void rawevent_float(t_rawevent* x)

+{

+    DEBUG(post("rawevent_float");)

+   

+}

+

+// DONE

+void rawevent_start(t_rawevent* x)

+{

+  DEBUG(post("rawevent_start");)

+

+    if (x->x_fd >= 0 && !x->started) {

+       sys_addpollfn(x->x_fd, (t_fdpollfn)rawevent_read, x);

+       post("rawevent: start");

+       x->started = 1;

+    }

+}

+

+

+// DONE

+void rawevent_stop(t_rawevent* x)

+{

+  DEBUG(post("rawevent_stop");)

+

+    if (x->x_fd >= 0 && x->started) { 

+        sys_rmpollfn(x->x_fd);

+        post("rawevent: stop");

+        x->started = 0;

+    }

+}

+

+/* Misc setup functions */

+

+

+static void rawevent_free(t_rawevent* x)

+{

+  DEBUG(post("rawevent_free");)

+    

+    if (x->x_fd < 0) return;

+  

+  rawevent_stop(x);

+  

+  close (x->x_fd);

+}

+

+static void *rawevent_new(t_symbol *s)

+{

+  int i;

+  t_rawevent *x = (t_rawevent *)pd_new(rawevent_class);

+

+  DEBUG(post("rawevent_new");)

+  

+  /* init vars */

+  x->x_fd = -1;

+  x->read_ok = 1;

+  x->started = 0;

+  

+  /* create outlets for each axis */

+  x->x_input_event_time_outlet = outlet_new(&x->x_obj, &s_float);

+  x->x_input_event_type_outlet = outlet_new(&x->x_obj, &s_float);

+  x->x_input_event_code_outlet = outlet_new(&x->x_obj, &s_float);

+  x->x_input_event_value_outlet = outlet_new(&x->x_obj, &s_float);

+  

+  if (s != &s_)

+    x->x_devname = s;

+  

+  /* Open the device and save settings */

+  

+  if (!rawevent_open(x,s)) return x;

+  

+  return (x);

+}

+

+

+void rawevent_setup(void)

+{

+  DEBUG(post("rawevent_setup");)

+  rawevent_class = class_new(gensym("rawevent"), 

+			     (t_newmethod)rawevent_new, 

+			     (t_method)rawevent_free,

+			     sizeof(t_rawevent),0,A_DEFSYM,0);

+

+  /* add inlet datatype methods */

+  class_addfloat(rawevent_class,(t_method) rawevent_float);

+  class_addbang(rawevent_class,(t_method) rawevent_bang);

+

+  /* add inlet message methods */

+  class_addmethod(rawevent_class, (t_method) rawevent_open,gensym("open"),A_DEFSYM);

+  class_addmethod(rawevent_class,(t_method) rawevent_close,gensym("close"),0);

+  class_addmethod(rawevent_class,(t_method) rawevent_start,gensym("start"),0);

+  class_addmethod(rawevent_class,(t_method) rawevent_stop,gensym("stop"),0);

+  

+}

+

diff --git a/rawevent.pd b/rawevent.pd
new file mode 100644
index 0000000..6903ec7
--- /dev/null
+++ b/rawevent.pd
@@ -0,0 +1,14 @@
+#N canvas 454 205 450 300 10;
+#X floatatom 244 176 5 0 0 3 code - -;
+#X floatatom 303 176 5 0 0 3 value - -;
+#X floatatom 185 176 4 0 0 3 type - -;
+#X floatatom 112 176 9 0 0 3 time - -;
+#X msg 176 53 start;
+#X msg 187 91 stop;
+#X obj 126 123 rawevent /dev/input/event0;
+#X connect 4 0 6 0;
+#X connect 5 0 6 0;
+#X connect 6 0 3 0;
+#X connect 6 1 2 0;
+#X connect 6 2 0 0;
+#X connect 6 3 1 0;