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Improved handling of neighbor phase estimation: instead of busy-waiting while waiting for neighbor's phase, the new code schedules a timer just before neighbor wakes up

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adamdunkels 2010-02-28 20:19:47 +00:00
parent e6fceb7200
commit 410d860a93
3 changed files with 97 additions and 27 deletions
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14
core/net/mac/phase.h
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@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: phase.h,v 1.1 2010/02/18 20:58:59 adamdunkels Exp $
* $Id: phase.h,v 1.2 2010/02/28 20:19:47 adamdunkels Exp $
*/
/**
@ -45,6 +45,7 @@
#include "sys/rtimer.h"
#include "lib/list.h"
#include "lib/memb.h"
#include "net/netstack.h"
struct phase {
struct phase *next;
@ -57,13 +58,20 @@ struct phase_list {
struct memb *memb;
};
typedef enum {
PHASE_SEND_NOW,
PHASE_DEFERRED,
} phase_status_t;
#define PHASE_LIST(name, num) LIST(phase_list_list); \
MEMB(phase_list_memb, struct phase, num); \
struct phase_list name = { &phase_list_list, &phase_list_memb }
void phase_init(struct phase_list *list);
void phase_wait(struct phase_list *list, const rimeaddr_t *neighbor,
rtimer_clock_t cycle_time, rtimer_clock_t wait_before);
phase_status_t phase_wait(struct phase_list *list, const rimeaddr_t *neighbor,
rtimer_clock_t cycle_time, rtimer_clock_t wait_before,
mac_callback_t mac_callback, void *mac_callback_ptr);
void phase_register(const struct phase_list *list, const rimeaddr_t * neighbor,
rtimer_clock_t time);