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Revised version of the X-MAC implementation that uses a ctimer instead

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of an rtimer for the periodic radio duty cycling. The benefit of this
implementation is that it leaves an rtimer free for user tasks. The
drawback is a slightly higher idle power consumption. This new version
is based on the current rtimer-based X-MAC.
This commit is contained in:
adamdunkels 2010-01-31 18:44:23 +00:00
parent 6111814aec
commit 1a13d25d33
3 changed files with 837 additions and 349 deletions
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2
core/net/mac/Makefile.mac
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@ -1,2 +1,2 @@
CONTIKI_SOURCEFILES += xmac.c nullmac.c lpp.c frame802154.c sicslowmac.c CONTIKI_SOURCEFILES += cxmac.c xmac.c nullmac.c lpp.c frame802154.c sicslowmac.c
CONTIKI_SOURCEFILES += framer.c framer-nullmac.c framer-802154.c csma.c CONTIKI_SOURCEFILES += framer.c framer-nullmac.c framer-802154.c csma.c

1164
core/net/mac/cxmac.c
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20
core/net/mac/cxmac.h
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@ -28,7 +28,7 @@
* *
* This file is part of the Contiki operating system. * This file is part of the Contiki operating system.
* *
* $Id: cxmac.h,v 1.2 2009/06/22 11:14:11 nifi Exp $ * $Id: cxmac.h,v 1.3 2010/01/31 18:44:23 adamdunkels Exp $
*/ */
/** /**
@ -41,11 +41,29 @@
#ifndef __CXMAC_H__ #ifndef __CXMAC_H__
#define __CXMAC_H__ #define __CXMAC_H__
#include "sys/rtimer.h"
#include "net/mac/mac.h" #include "net/mac/mac.h"
#include "dev/radio.h" #include "dev/radio.h"
#define CXMAC_RECEIVER "cxmac.recv"
#define CXMAC_STROBES "cxmac.strobes"
#define CXMAC_SEND_WITH_ACK "cxmac.send.ack"
#define CXMAC_SEND_WITH_NOACK "cxmac.send.noack"
struct cxmac_config {
rtimer_clock_t on_time;
rtimer_clock_t off_time;
rtimer_clock_t strobe_time;
rtimer_clock_t strobe_wait_time;
};
extern const struct mac_driver cxmac_driver; extern const struct mac_driver cxmac_driver;
const struct mac_driver *cxmac_init(const struct radio_driver *d); const struct mac_driver *cxmac_init(const struct radio_driver *d);
extern struct cxmac_config cxmac_config;
void cxmac_set_announcement_radio_txpower(int txpower);
#endif /* __CXMAC_H__ */ #endif /* __CXMAC_H__ */