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-rw-r--r--linuxevent.c175
1 files changed, 71 insertions, 104 deletions
diff --git a/linuxevent.c b/linuxevent.c
index c9901c9..b53a2b0 100644
--- a/linuxevent.c
+++ b/linuxevent.c
@@ -1,9 +1,8 @@
#include "linuxhid.h"
#define LINUXEVENT_DEVICE "/dev/input/event0"
-#define LINUXEVENT_OUTLETS 4
-static char *version = "$Revision: 1.3 $";
+static char *version = "$Revision: 1.4 $";
/*------------------------------------------------------------------------------
* CLASS DEF
@@ -13,38 +12,46 @@ static t_class *linuxevent_class;
typedef struct _linuxevent {
t_object x_obj;
t_int x_fd;
- t_symbol* x_devname;
+ t_symbol *x_devname;
t_clock *x_clock;
int read_ok;
int started;
+ int x_delaytime;
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;
- int x_delaytime;
}t_linuxevent;
/*------------------------------------------------------------------------------
* IMPLEMENTATION
*/
-//DONE
-static int linuxevent_close(t_linuxevent *x)
-{
- DEBUG(post("linuxevent_close");)
-
- if (x->x_fd <0) {
- return 0;
- } else {
- close (x->x_fd);
- return 1;
+void linuxevent_stop(t_linuxevent* x) {
+ DEBUG(post("linuxevent_stop"););
+
+ if (x->x_fd >= 0 && x->started) {
+ clock_unset(x->x_clock);
+ post("linuxevent: polling stopped");
+ x->started = 0;
}
}
-//DONE
-static int linuxevent_open(t_linuxevent *x,t_symbol* s)
-{
+static int linuxevent_close(t_linuxevent *x) {
+ DEBUG(post("linuxevent_close"););
+
+/* just to be safe, stop it first */
+ linuxevent_stop(x);
+
+ if (x->x_fd <0) return 0;
+ close (x->x_fd);
+ post ("[linuxevent] closed %s",x->x_devname->s_name);
+
+ return 1;
+}
+
+static int linuxevent_open(t_linuxevent *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";
@@ -57,30 +64,18 @@ static int linuxevent_open(t_linuxevent *x,t_symbol* s)
*/
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 linuxevent 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;
- }
+ /* 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("[linuxevent] open %s failed",x->x_devname->s_name);
+ x->x_fd = -1;
+ return 0;
+ }
+ } else return 1;
/* read input_events from the LINUXEVENT_DEVICE stream
* It seems that is just there to flush the event input buffer?
@@ -89,12 +84,12 @@ static int linuxevent_open(t_linuxevent *x,t_symbol* s)
/* get name of device */
ioctl(x->x_fd, EVIOCGNAME(sizeof(devicename)), devicename);
- post ("configuring %s",devicename);
+ post ("Configuring %s on %s",devicename,x->x_devname->s_name);
/* 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:");
+ post("\nSupported events:");
rel_axes = 0;
abs_axes = 0;
@@ -147,42 +142,34 @@ static int linuxevent_open(t_linuxevent *x,t_symbol* s)
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 ("\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");
-
+ post ("WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING\n");
+
return 1;
}
+static int linuxevent_read(t_linuxevent *x,int fd) {
+ if (x->x_fd < 0) return 0;
-
-static int linuxevent_read(t_linuxevent *x,int fd)
-{
-// int readBytes;
-
- if (x->x_fd < 0) return 0;
-
- while (read (x->x_fd, &(x->x_input_event), sizeof(struct input_event)) > -1) {
- outlet_float (x->x_input_event_value_outlet, (int)x->x_input_event.value);
- outlet_float (x->x_input_event_code_outlet, x->x_input_event.code);
- outlet_float (x->x_input_event_type_outlet, x->x_input_event.type);
- /* input_event.time is a timeval struct from <sys/time.h> */
- /* outlet_float (x->x_input_event_time_outlet, x->x_input_event.time); */
- }
+ while (read (x->x_fd, &(x->x_input_event), sizeof(struct input_event)) > -1) {
+ outlet_float (x->x_input_event_value_outlet, (int)x->x_input_event.value);
+ outlet_float (x->x_input_event_code_outlet, x->x_input_event.code);
+ outlet_float (x->x_input_event_type_outlet, x->x_input_event.type);
+ /* input_event.time is a timeval struct from <sys/time.h> */
+ /* outlet_float (x->x_input_event_time_outlet, x->x_input_event.time); */
+ }
- if (x->started) {
- clock_delay(x->x_clock, x->x_delaytime);
- }
+ if (x->started) {
+ clock_delay(x->x_clock, x->x_delaytime);
+ }
- return 1;
+ return 1;
}
/* Actions */
-
-static void linuxevent_float(t_linuxevent* x)
-{
+static void linuxevent_float(t_linuxevent* x) {
DEBUG(post("linuxevent_float");)
}
@@ -198,39 +185,20 @@ void linuxevent_delay(t_linuxevent* x, t_float f) {
}
}
-// DONE
-void linuxevent_start(t_linuxevent* x)
-{
- DEBUG(post("linuxevent_start"););
- post("clock delay: %d",x->x_delaytime);
+void linuxevent_start(t_linuxevent* x) {
+ DEBUG(post("linuxevent_start"););
- if (x->x_fd >= 0 && !x->started) {
- clock_delay(x->x_clock, 2);
- post("linuxevent: start");
- x->started = 1;
- }
-}
-
-
-// DONE
-void linuxevent_stop(t_linuxevent* x)
-{
- DEBUG(post("linuxevent_stop"););
-
- post("clock delay: %d",x->x_delaytime);
-
- if (x->x_fd >= 0 && x->started) {
- clock_unset(x->x_clock);
- post("linuxevent: stop");
- x->started = 0;
- }
+ if (x->x_fd >= 0 && !x->started) {
+ clock_delay(x->x_clock, 5);
+ post("linuxevent: polling started");
+ x->started = 1;
+ } else {
+ post("You need to set a input device (i.e /dev/input/event0)");
+ }
}
-/* Misc setup functions */
-
-
-static void linuxevent_free(t_linuxevent* x)
-{
+/* setup functions */
+static void linuxevent_free(t_linuxevent* x) {
DEBUG(post("linuxevent_free");)
if (x->x_fd < 0) return;
@@ -240,8 +208,7 @@ static void linuxevent_free(t_linuxevent* x)
close (x->x_fd);
}
-static void *linuxevent_new(t_symbol *s)
-{
+static void *linuxevent_new(t_symbol *s) {
int i;
t_linuxevent *x = (t_linuxevent *)pd_new(linuxevent_class);
@@ -263,8 +230,9 @@ static void *linuxevent_new(t_symbol *s)
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);
+ /* set to the value from the object argument, if that exists */
if (s != &s_)
- x->x_devname = s;
+ x->x_devname = s;
/* Open the device and save settings */
@@ -273,9 +241,7 @@ static void *linuxevent_new(t_symbol *s)
return (x);
}
-
-void linuxevent_setup(void)
-{
+void linuxevent_setup(void) {
DEBUG(post("linuxevent_setup");)
linuxevent_class = class_new(gensym("linuxevent"),
(t_newmethod)linuxevent_new,
@@ -287,11 +253,12 @@ void linuxevent_setup(void)
class_addbang(linuxevent_class,(t_method) linuxevent_read);
/* add inlet message methods */
- class_addmethod(linuxevent_class, (t_method) linuxevent_open,gensym("open"),A_DEFSYM);
+ class_addmethod(linuxevent_class,(t_method) linuxevent_delay,gensym("delay"),A_DEFFLOAT,0);
+ class_addmethod(linuxevent_class,(t_method) linuxevent_open,gensym("open"),A_DEFSYM,0);
class_addmethod(linuxevent_class,(t_method) linuxevent_close,gensym("close"),0);
class_addmethod(linuxevent_class,(t_method) linuxevent_start,gensym("start"),0);
+ class_addmethod(linuxevent_class,(t_method) linuxevent_start,gensym("poll"),0);
class_addmethod(linuxevent_class,(t_method) linuxevent_stop,gensym("stop"),0);
- class_addmethod(linuxevent_class,(t_method) linuxevent_delay,gensym("delay"),A_FLOAT,0);
-
+ class_addmethod(linuxevent_class,(t_method) linuxevent_stop,gensym("nopoll"),0);
}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 01:34:02 +0000