Added a configuration option for setting the MAC channel check rate (which must be a power of two). The configuration is independent of the MAC protocol.
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4 changed files with 18 additions and 7 deletions
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@ -28,7 +28,7 @@
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*
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* This file is part of the Contiki operating system.
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*
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* $Id: cxmac.c,v 1.6 2010/02/02 16:33:07 adamdunkels Exp $
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* $Id: cxmac.c,v 1.7 2010/02/02 23:28:58 adamdunkels Exp $
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*/
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/**
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@ -114,7 +114,7 @@ struct cxmac_hdr {
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#ifdef CXMAC_CONF_OFF_TIME
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#define DEFAULT_OFF_TIME (CXMAC_CONF_OFF_TIME)
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#else
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#define DEFAULT_OFF_TIME (RTIMER_ARCH_SECOND / 4 - DEFAULT_ON_TIME)
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#define DEFAULT_OFF_TIME (RTIMER_ARCH_SECOND / MAC_CHANNEL_CHECK_RATE - DEFAULT_ON_TIME)
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#endif
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#define DEFAULT_PERIOD (DEFAULT_OFF_TIME + DEFAULT_ON_TIME)
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@ -28,7 +28,7 @@
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*
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* This file is part of the Contiki operating system.
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*
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* $Id: lpp.c,v 1.29 2010/01/25 11:43:32 adamdunkels Exp $
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* $Id: lpp.c,v 1.30 2010/02/02 23:28:58 adamdunkels Exp $
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*/
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/**
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@ -90,7 +90,7 @@
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#ifdef LPP_CONF_OFF_TIME
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#define OFF_TIME LPP_CONF_OFF_TIME
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#else
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#define OFF_TIME (CLOCK_SECOND / 2 - LISTEN_TIME)
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#define OFF_TIME (CLOCK_SECOND / MAC_CHANNEL_CHECK_RATE - LISTEN_TIME)
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#endif /* LPP_CONF_OFF_TIME */
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#define PACKET_LIFETIME (LISTEN_TIME + OFF_TIME)
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@ -28,7 +28,7 @@
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*
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* This file is part of the Contiki operating system.
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*
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* $Id: mac.h,v 1.8 2010/01/25 11:43:32 adamdunkels Exp $
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* $Id: mac.h,v 1.9 2010/02/02 23:28:58 adamdunkels Exp $
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*/
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/**
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@ -90,4 +90,15 @@ enum {
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MAC_TX_ERR_FATAL,
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};
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#ifdef MAC_CONF_CHANNEL_CHECK_RATE
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#define MAC_CHANNEL_CHECK_RATE MAC_CONF_CHANNEL_CHECK_RATE
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#else /* MAC_CHANNEL_CHECK_RATE */
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#define MAC_CHANNEL_CHECK_RATE 4
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#endif /* MAC_CHANNEL_CHECK_RATE */
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#if (MAC_CHANNEL_CHECK_RATE & (MAC_CHANNEL_CHECK_RATE - 1)) != 0
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#error MAC_CONF_CHANNEL_CHECK_RATE must be a power of two (i.e., 1, 2, 4, 8, 16, 32, 64, ...).
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#error Change MAC_CONF_CHANNEL_CHECK_RATE in contiki-conf.h or in your Makefile.
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#endif
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#endif /* __MAC_H__ */
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@ -28,7 +28,7 @@
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*
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* This file is part of the Contiki operating system.
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*
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* $Id: xmac.c,v 1.50 2010/01/28 13:40:47 adamdunkels Exp $
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* $Id: xmac.c,v 1.51 2010/02/02 23:28:58 adamdunkels Exp $
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*/
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/**
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@ -114,7 +114,7 @@ struct xmac_hdr {
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#ifdef XMAC_CONF_OFF_TIME
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#define DEFAULT_OFF_TIME (XMAC_CONF_OFF_TIME)
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#else
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#define DEFAULT_OFF_TIME (RTIMER_ARCH_SECOND / 4 - DEFAULT_ON_TIME)
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#define DEFAULT_OFF_TIME (RTIMER_ARCH_SECOND / MAC_CHANNEL_CHECK_RATE - DEFAULT_ON_TIME)
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#endif
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#define DEFAULT_PERIOD (DEFAULT_OFF_TIME + DEFAULT_ON_TIME)
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