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Diffstat (limited to 'hidio.c')
-rw-r--r--hidio.c63
1 files changed, 41 insertions, 22 deletions
diff --git a/hidio.c b/hidio.c
index d176a85..a06e9ba 100644
--- a/hidio.c
+++ b/hidio.c
@@ -72,7 +72,7 @@ t_symbol *ps_open, *ps_device, *ps_poll, *ps_total, *ps_range;
//static void hidio_poll(t_hidio *x, t_float f);
static void hidio_open(t_hidio *x, t_symbol *s, int argc, t_atom *argv);
//static t_int hidio_close(t_hidio *x);
-//static t_int hidio_read(t_hidio *x);
+//static t_int hidio_child_read(t_hidio *x);
//static void hidio_float(t_hidio* x, t_floatarg f);
@@ -288,12 +288,14 @@ static void stop_poll(t_hidio* x)
{
debug_print(LOG_DEBUG,"stop_poll");
+ pthread_mutex_lock(&x->x_mutex);
if (x->x_started)
{
clock_unset(x->x_clock);
debug_print(LOG_INFO,"[hidio] polling stopped");
x->x_started = 0;
}
+ pthread_mutex_unlock(&x->x_mutex);
}
/*------------------------------------------------------------------------------
@@ -303,6 +305,7 @@ static void stop_poll(t_hidio* x)
void hidio_poll(t_hidio* x, t_float f)
{
+ pthread_mutex_lock(&x->x_mutex);
debug_print(LOG_DEBUG,"hidio_poll");
/* if the user sets the delay less than 2, set to block size */
@@ -312,8 +315,12 @@ void hidio_poll(t_hidio* x, t_float f)
x->x_delay = 1.54;
if(x->x_device_number > -1)
{
- if(!x->x_device_open)
+ if(!x->x_device_open)
+ {
+ pthread_mutex_unlock(&x->x_mutex);
hidio_open(x,ps_open,0,NULL);
+ pthread_mutex_lock(&x->x_mutex);
+ }
if(!x->x_started)
{
clock_delay(x->x_clock, x->x_delay);
@@ -321,26 +328,37 @@ void hidio_poll(t_hidio* x, t_float f)
x->x_started = 1;
}
}
+ pthread_mutex_unlock(&x->x_mutex);
}
static void hidio_set_from_float(t_hidio *x, t_floatarg f)
{
+ pthread_mutex_lock(&x->x_mutex);
/* values greater than 1 set the polling delay time */
/* 1 and 0 for start/stop so you can use a [tgl] */
if(f > 1)
{
x->x_delay = (t_int)f;
+ pthread_mutex_unlock(&x->x_mutex);
hidio_poll(x,f);
+ pthread_mutex_lock(&x->x_mutex);
}
else if(f == 1)
{
if(! x->x_started)
+ {
+ pthread_mutex_unlock(&x->x_mutex);
hidio_poll(x,f);
+ pthread_mutex_lock(&x->x_mutex);
+ }
}
else if(f == 0)
{
+ pthread_mutex_unlock(&x->x_mutex);
stop_poll(x);
+ pthread_mutex_lock(&x->x_mutex);
}
+ pthread_mutex_unlock(&x->x_mutex);
}
/* close the device */
@@ -387,9 +405,10 @@ static void hidio_open(t_hidio *x, t_symbol *s, int argc, t_atom *argv)
}
-t_int hidio_read(t_hidio *x)
+/* read from event queue, called from child thread, no mutex needed */
+t_int hidio_child_read(t_hidio *x)
{
-// debug_print(LOG_DEBUG,"hidio_read");
+// debug_print(LOG_DEBUG,"hidio_child_read");
unsigned int i;
#ifdef PD
double right_now = clock_getlogicaltime();
@@ -516,7 +535,7 @@ static void *hidio_child(void *zz)
else if (x->x_requestcode == REQUEST_READ)
{
pthread_mutex_unlock(&x->x_mutex);
- hidio_read(x);
+ hidio_child_read(x);
pthread_mutex_lock(&x->x_mutex);
if (x->x_requestcode == REQUEST_READ)
x->x_requestcode = REQUEST_NOTHING;
@@ -651,34 +670,34 @@ static void *hidio_new(t_symbol *s, int argc, t_atom *argv)
t_hidio *x = (t_hidio *)object_alloc(hidio_class);
unsigned int i;
- /* init vars */
- global_debug_level = 9; /* high numbers here means see more messages */
- x->x_has_ff = 0;
- x->x_device_open = 0;
- x->x_started = 0;
- x->x_delay = DEFAULT_DELAY;
- for(i=0; i<MAX_DEVICES; ++i) last_execute_time[i] = 0;
-
- x->x_clock = clock_new(x, (method)hidio_tick);
-
- /* create anything outlet used for HID data */
- x->x_status_outlet = outlet_new(x, "anything");
- x->x_data_outlet = outlet_new(x, "anything");
+ /* init vars */
+ global_debug_level = 9; /* high numbers here means see more messages */
+ x->x_has_ff = 0;
+ x->x_device_open = 0;
+ x->x_started = 0;
+ x->x_delay = DEFAULT_DELAY;
+ for(i=0; i<MAX_DEVICES; ++i) last_execute_time[i] = 0;
+
+ x->x_clock = clock_new(x, (method)hidio_tick);
+
+ /* create anything outlet used for HID data */
+ x->x_status_outlet = outlet_new(x, "anything");
+ x->x_data_outlet = outlet_new(x, "anything");
#endif
pthread_mutex_init(&x->x_mutex, 0);
pthread_cond_init(&x->x_requestcondition, 0);
pthread_cond_init(&x->x_answercondition, 0);
- x->x_device_number = get_device_number_from_arguments(argc, argv);
+ x->x_device_number = get_device_number_from_arguments(argc, argv);
- x->x_instance = hidio_instance_count;
- hidio_instance_count++;
+ x->x_instance = hidio_instance_count;
+ hidio_instance_count++;
x->x_requestcode = REQUEST_NOTHING;
pthread_create(&x->x_thread, 0, hidio_child, x);
- return (x);
+ return (x);
}
#ifdef PD