diff options
Diffstat (limited to 'linuxmouse.c')
-rw-r--r-- | linuxmouse.c | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/linuxmouse.c b/linuxmouse.c deleted file mode 100644 index 1f1503b..0000000 --- a/linuxmouse.c +++ /dev/null @@ -1,284 +0,0 @@ -#include <m_pd.h> - -#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: 1.7 $"; - -/*------------------------------------------------------------------------------ - * 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 <hans@eds.org>",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); -} - |