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Limit number of sensor events to avoid overflowing event queue

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This commit is contained in:
adamdunkels 2006-10-06 09:18:52 +00:00
parent 0e8cdd9e8e
commit 96c771250c
1 changed files with 20 additions and 12 deletions
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32
core/lib/sensors.c
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@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* @(#)$Id: sensors.c,v 1.1 2006/06/17 22:41:18 adamdunkels Exp $
* @(#)$Id: sensors.c,v 1.2 2006/10/06 09:18:52 adamdunkels Exp $
*/
/* exeperimental code, will be renamed to sensors.c when done */
@ -159,7 +159,8 @@ sensors_unselect(const struct sensors_sensor *s, const struct process *p)
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(sensors_process, ev, data)
{
int i;
static int i;
static int events;
PROCESS_BEGIN();
@ -176,17 +177,24 @@ PROCESS_THREAD(sensors_process, ev, data)
while(1) {
PROCESS_WAIT_EVENT();
for(i = 0; i < num_sensors; ++i) {
if(sensors_flags[i] & FLAG_CHANGED) {
if(sensors_selecting_proc[i] == SELCOLL
|| sensors_selecting_proc[i] == NULL)
process_post(PROCESS_BROADCAST, sensors_event, sensors[i]);
else
process_post(sensors_selecting_proc[i], sensors_event, sensors[i]);
sensors_flags[i] &= ~FLAG_CHANGED;
do {
events = 0;
for(i = 0; i < num_sensors; ++i) {
if(sensors_flags[i] & FLAG_CHANGED) {
/* if(sensors_selecting_proc[i] == SELCOLL
|| sensors_selecting_proc[i] == NULL)
process_post(PROCESS_BROADCAST, sensors_event, sensors[i]);
else
process_post(sensors_selecting_proc[i], sensors_event, sensors[i]);*/
if(process_post(PROCESS_BROADCAST, sensors_event, sensors[i]) == PROCESS_ERR_OK) {
PROCESS_WAIT_EVENT_UNTIL(ev == sensors_event);
}
sensors_flags[i] &= ~FLAG_CHANGED;
events++;
}
}
}
} while(events);
}
PROCESS_END();