phase.c File Reference

    Common functionality for phase optimization in duty cycling radio protocols

Author

Adam Dunkels adam@.nosp@m.sics.nosp@m..se

#include "net/mac/phase.h"
#include "net/packetbuf.h"
#include "sys/contiki-clock.h"
#include "sys/ctimer.h"
#include "net/queuebuf.h"
#include "net/nbr-table.h"

Data Structures
struct	phase
struct	phase_queueitem

Macros
#define	_DEBUG_   0
#define	MAX_NOACKS   16
#define	MAX_NOACKS_TIME   CLOCK_SECOND * 30
#define	PHASE_CONF_DRIFT_CORRECT   0
#define	PHASE_DEFER_THRESHOLD   1
#define	PHASE_DRIFT_CORRECT   0
#define	PHASE_QUEUESIZE   8
#define	PRINTDEBUG(...)
#define	PRINTF(...)

Functions
	MEMB (queued_packets_memb, struct phase_queueitem, PHASE_QUEUESIZE)
	NBR_TABLE (struct phase, nbr_phase)
void	phase_init (void)
void	phase_update (const linkaddr_t *neighbor, rtimer_clock_t time, int mac_status)
phase_status_t	phase_wait (const linkaddr_t *neighbor, rtimer_clock_t cycle_time, rtimer_clock_t guard_time, mac_callback_t mac_callback, void *mac_callback_ptr, struct rdc_buf_list *buf_list)
static void	send_packet (void *ptr)

#define _DEBUG_   0

#define MAX_NOACKS   16

Referenced by phase_update().

#define MAX_NOACKS_TIME   CLOCK_SECOND * 30

Referenced by phase_update().

#define PHASE_CONF_DRIFT_CORRECT   0

#define PHASE_DEFER_THRESHOLD   1

Referenced by phase_wait().

#define PHASE_DRIFT_CORRECT   0

Referenced by phase_wait().

#define PHASE_QUEUESIZE   8

#define PRINTDEBUG

(

...

)

#define PRINTF

(

...

)

Referenced by phase_update().

MEMB	(	queued_packets_memb	,
		struct phase_queueitem	,
		PHASE_QUEUESIZE
	)

NBR_TABLE	(	struct phase	,
		nbr_phase
	)

void phase_init

(

void

)

References memb_init(), nbr_table_register(), and NULL.

Referenced by init().

void phase_update	(	const linkaddr_t *	neighbor,
		rtimer_clock_t	time,
		int	mac_status
	)

References MAC_TX_NOACK, MAC_TX_OK, MAX_NOACKS, MAX_NOACKS_TIME, nbr_table_add_lladdr(), nbr_table_get_from_lladdr(), nbr_table_remove(), phase::noacks, phase::noacks_timer, NULL, PRINTF, phase::time, timer_expired(), timer_set(), and linkaddr_t::u8.

Referenced by send_packet().

phase_status_t phase_wait	(	const linkaddr_t *	neighbor,
		rtimer_clock_t	cycle_time,
		rtimer_clock_t	guard_time,
		mac_callback_t	mac_callback,
		void *	mac_callback_ptr,
		struct rdc_buf_list *	buf_list
	)

References phase_queueitem::buf_list, CLOCK_SECOND, ctimer_set(), phase_queueitem::mac_callback, phase_queueitem::mac_callback_ptr, memb_alloc(), nbr_table_get_from_lladdr(), NULL, PHASE_DEFER_THRESHOLD, PHASE_DEFERRED, PHASE_DRIFT_CORRECT, PHASE_SEND_NOW, phase_queueitem::q, queuebuf_new_from_packetbuf(), RTIMER_CLOCK_LT, RTIMER_NOW, s, send_packet(), sync(), phase::time, and phase_queueitem::timer.

Referenced by send_packet().

static void send_packet ( void *  ptr )

static

References phase_queueitem::buf_list, phase_queueitem::mac_callback, phase_queueitem::mac_callback_ptr, memb_free(), NETSTACK_RDC, NULL, ptr, phase_queueitem::q, queuebuf_free(), queuebuf_to_packetbuf(), rdc_driver::send, and rdc_driver::send_list.

Referenced by phase_wait().