From 6b2dfe14ffb4b32cbceab83845204ec0d944dbf1 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Wed, 9 Aug 2006 04:12:32 +0000 Subject: cleaned up buildsrc and unfiltered sections and turned them into libdirs; made 'pan' libdir and cleaned up source dir for easy makefile install rules; created 'deprecated' libdir and moved cruft there svn path=/trunk/; revision=5529 --- externals/deprecated/linuxmouse.c | 284 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 284 insertions(+) create mode 100644 externals/deprecated/linuxmouse.c (limited to 'externals/deprecated/linuxmouse.c') diff --git a/externals/deprecated/linuxmouse.c b/externals/deprecated/linuxmouse.c new file mode 100644 index 00000000..aed33082 --- /dev/null +++ b/externals/deprecated/linuxmouse.c @@ -0,0 +1,284 @@ +#include + +#ifdef PD_MAJOR_VERSION +#include "s_stuff.h" +#else +#include "m_imp.h" +#endif + +#include "linuxhid.h" + +#define LINUXMOUSE_DEVICE "/dev/input/event0" +#define LINUXMOUSE_AXES 3 + +static char *version = "$Revision: 1.1 $"; + +/*------------------------------------------------------------------------------ + * CLASS DEF + */ +static t_class *linuxmouse_class; + +typedef struct _linuxmouse { + t_object x_obj; + t_int x_fd; + t_symbol *x_devname; + int x_read_ok; + int x_started; +#ifdef __gnu_linux__ + struct input_event x_input_event; +#endif + t_outlet *x_axis_out[LINUXMOUSE_AXES]; + t_outlet *x_button_num_out; + t_outlet *x_button_val_out; + unsigned char x_buttons; + unsigned char x_axes; +} t_linuxmouse; + +/*------------------------------------------------------------------------------ + * IMPLEMENTATION + */ + +/* Actions */ +void linuxmouse_stop(t_linuxmouse* x) { + DEBUG(post("linuxmouse_stop");); + +#ifdef __gnu_linux__ + if (x->x_fd >= 0 && x->x_started) { + sys_rmpollfn(x->x_fd); + post("[linuxmouse] stopped"); + x->x_started = 0; + } +#endif +} + +static int linuxmouse_close(t_linuxmouse *x) { + DEBUG(post("linuxmouse_close");); + +/* just to be safe, stop it first */ + linuxmouse_stop(x); + + if (x->x_fd < 0) { + return 0; + } + else { + close (x->x_fd); + post ("[linuxmouse] closed %s",x->x_devname->s_name); + return 1; + } +} + +static int linuxmouse_open(t_linuxmouse *x, t_symbol *s) { + int eventType, eventCode; + char devicename[256] = "Unknown"; +#ifdef __gnu_linux__ + unsigned long bitmask[EV_MAX][NBITS(KEY_MAX)]; +#endif + + DEBUG(post("linuxmouse_open");); + + linuxmouse_close(x); + + /* set obj device name to parameter otherwise set to default */ + if ( s != &s_ ) + x->x_devname = s; + +#ifdef __gnu_linux__ + /* open device */ + if (x->x_devname) { + /* open the device read-only, non-exclusive */ + x->x_fd = open (x->x_devname->s_name, O_RDONLY | O_NONBLOCK); + /* test if device open */ + if (x->x_fd < 0 ) { + post("[linuxmouse] open %s failed",x->x_devname->s_name); + x->x_fd = -1; + return 0; + } + } else { + post("[linuxmouse] no device set: %s",x->x_devname->s_name); + return 1; + } + +/* read input_events from the LINUXMOUSE_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 on %s.",devicename,x->x_devname->s_name); + post("\nSupported events:"); + + /* get bitmask representing supported events (axes, buttons, etc.) */ + memset(bitmask, 0, sizeof(bitmask)); + ioctl(x->x_fd, EVIOCGBIT(0, EV_MAX), bitmask[0]); + + 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_REL ) + x->x_axes++; + } + } + } + } + + post ("\nUsing %d axes and %d buttons.", x->x_axes, x->x_buttons); + post ("\nWARNING * 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\n"); +#endif + + return 1; +} + +static int linuxmouse_read(t_linuxmouse *x,int fd) { + int axis_num = 0; + t_float button_num = 0; + + if (x->x_fd < 0) return 0; + +#ifdef __gnu_linux__ + while (read (x->x_fd, &(x->x_input_event), sizeof(struct input_event)) > -1) { + if ( x->x_input_event.type == EV_REL ) { + /* Relative Axes Event Type */ + switch ( x->x_input_event.code ) { + case REL_X: + axis_num = 0; + break; + case REL_Y: + axis_num = 1; + break; + case REL_WHEEL: + axis_num = 2; + break; + } + outlet_float (x->x_axis_out[axis_num], (int)x->x_input_event.value); + } + else if ( x->x_input_event.type == EV_KEY ) { + /* key/button event type */ + switch ( x->x_input_event.code ) { + case BTN_LEFT: + button_num = 0; + break; + case BTN_RIGHT: + button_num = 1; + break; + case BTN_MIDDLE: + button_num = 2; + break; + case BTN_SIDE: + button_num = 3; + break; + case BTN_EXTRA: + button_num = 4; + break; + case BTN_FORWARD: + button_num = 5; + break; + case BTN_BACK: + button_num = 6; + break; + } + outlet_float (x->x_button_val_out, x->x_input_event.value); + outlet_float (x->x_button_num_out, button_num); + } + } +#endif + + return 1; +} + +void linuxmouse_start(t_linuxmouse* x) { + DEBUG(post("linuxmouse_start");); + +/* if the device isn't open already, open it */ +/* (I'll test this later -HCS) */ +/* if (x->x_fd < 0) linuxmouse_open(x,&s_); */ + +#ifdef __gnu_linux__ + if (x->x_fd >= 0 && !x->x_started) { + sys_addpollfn(x->x_fd, (t_fdpollfn)linuxmouse_read, x); + post("[linuxmouse] started"); + x->x_started = 1; + } else { + post("You need to set a input device (i.e /dev/input/event0)"); + } +#endif +} + +/* setup functions */ +static void linuxmouse_free(t_linuxmouse* x) { + DEBUG(post("linuxmouse_free");); + + if (x->x_fd < 0) return; + linuxmouse_stop(x); + close (x->x_fd); +} + +static void *linuxmouse_new(t_symbol *s) { + int i; + t_linuxmouse *x = (t_linuxmouse *)pd_new(linuxmouse_class); + + DEBUG(post("linuxmouse_new");); + + post("[linuxmouse] %s, written by Hans-Christoph Steiner ",version); +#ifndef __gnu_linux__ + post(" !! WARNING !! WARNING !! WARNING !! WARNING !! WARNING !! WARNING !!"); + post(" This is a dummy, since this object only works with a Linux kernel!"); + post(" !! WARNING !! WARNING !! WARNING !! WARNING !! WARNING !! WARNING !!"); +#endif + + /* init vars */ + x->x_fd = -1; + x->x_read_ok = 1; + x->x_started = 0; + x->x_devname = gensym("/dev/input/event0"); + + /* create outlets for each axis */ + for (i = 0; i < LINUXMOUSE_AXES; i++) + x->x_axis_out[i] = outlet_new(&x->x_obj, &s_float); + + /* create outlets for buttons */ + 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 (!linuxmouse_open(x,s)) return x; + + return (x); +} + +void linuxmouse_setup(void) { + DEBUG(post("linuxmouse_setup");); + linuxmouse_class = class_new(gensym("linuxmouse"), + (t_newmethod)linuxmouse_new, + (t_method)linuxmouse_free, + sizeof(t_linuxmouse), 0, A_DEFSYM, 0); + + /* add inlet message methods */ + class_addmethod(linuxmouse_class,(t_method) linuxmouse_open,gensym("open"),A_DEFSYM,0); + class_addmethod(linuxmouse_class,(t_method) linuxmouse_close,gensym("close"),0); + class_addmethod(linuxmouse_class,(t_method) linuxmouse_start,gensym("start"),0); + class_addmethod(linuxmouse_class,(t_method) linuxmouse_stop,gensym("stop"),0); + class_addmethod(linuxmouse_class,(t_method) linuxmouse_start,gensym("poll"),0); + class_addmethod(linuxmouse_class,(t_method) linuxmouse_stop,gensym("nopoll"),0); +} + -- cgit v1.2.1