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Added a number of default options for ContikiMAC, and allow them to be overridden with contiki-conf.h configuration options

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This commit is contained in:
Adam Dunkels 2013-03-17 23:34:05 +01:00
parent 0b882cd516
commit c9de0e49be
1 changed files with 25 additions and 3 deletions
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28
core/net/mac/contikimac.c
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@ -55,9 +55,11 @@
#include <string.h> #include <string.h>
/* TX/RX cycles are synchronized with neighbor wake periods */ /* TX/RX cycles are synchronized with neighbor wake periods */
#ifndef WITH_PHASE_OPTIMIZATION #ifdef CONTIKIMAC_CONF_WITH_PHASE_OPTIMIZATION
#define WITH_PHASE_OPTIMIZATION CONTIKIMAC_CONF_WITH_PHASE_OPTIMIZATION
#else /* CONTIKIMAC_CONF_WITH_PHASE_OPTIMIZATION */
#define WITH_PHASE_OPTIMIZATION 1 #define WITH_PHASE_OPTIMIZATION 1
#endif #endif /* CONTIKIMAC_CONF_WITH_PHASE_OPTIMIZATION */
/* Two byte header added to allow recovery of padded short packets */ /* Two byte header added to allow recovery of padded short packets */
/* Wireshark will not understand such packets at present */ /* Wireshark will not understand such packets at present */
#ifdef CONTIKIMAC_CONF_WITH_CONTIKIMAC_HEADER #ifdef CONTIKIMAC_CONF_WITH_CONTIKIMAC_HEADER
@ -117,7 +119,7 @@ struct hdr {
/* Are we currently receiving a burst? */ /* Are we currently receiving a burst? */
static int we_are_receiving_burst = 0; static int we_are_receiving_burst = 0;
/* BURST_RECV_TIME is the maximum time a receiver waits for the /* INTER_PACKET_DEADLINE is the maximum time a receiver waits for the
next packet of a burst when FRAME_PENDING is set. */ next packet of a burst when FRAME_PENDING is set. */
#define INTER_PACKET_DEADLINE CLOCK_SECOND / 32 #define INTER_PACKET_DEADLINE CLOCK_SECOND / 32
@ -125,15 +127,27 @@ static int we_are_receiving_burst = 0;
consists of two or more CCA checks. CCA_COUNT_MAX is the number of consists of two or more CCA checks. CCA_COUNT_MAX is the number of
CCAs to be done for each periodic channel check. The default is CCAs to be done for each periodic channel check. The default is
two.*/ two.*/
#ifdef CONTIKIMAC_CONF_CCA_COUNT_MAX
#define CCA_COUNT_MAX (CONTIKIMAC_CONF_CCA_COUNT_MAX)
#else
#define CCA_COUNT_MAX 2 #define CCA_COUNT_MAX 2
#endif
/* Before starting a transmission, Contikimac checks the availability /* Before starting a transmission, Contikimac checks the availability
of the channel with CCA_COUNT_MAX_TX consecutive CCAs */ of the channel with CCA_COUNT_MAX_TX consecutive CCAs */
#ifdef CONTIKIMAC_CONF_CCA_COUNT_MAX_TX
#define CCA_COUNT_MAX_TX (CONTIKIMAC_CONF_CCA_COUNT_MAX_TX)
#else
#define CCA_COUNT_MAX_TX 6 #define CCA_COUNT_MAX_TX 6
#endif
/* CCA_CHECK_TIME is the time it takes to perform a CCA check. */ /* CCA_CHECK_TIME is the time it takes to perform a CCA check. */
/* Note this may be zero. AVRs have 7612 ticks/sec, but block until cca is done */ /* Note this may be zero. AVRs have 7612 ticks/sec, but block until cca is done */
#ifdef CONTIKIMAC_CONF_CCA_CHECK_TIME
#define CCA_CHECK_TIME (CONTIKIMAC_CONF_CCA_CHECK_TIME)
#else
#define CCA_CHECK_TIME RTIMER_ARCH_SECOND / 8192 #define CCA_CHECK_TIME RTIMER_ARCH_SECOND / 8192
#endif
/* CCA_SLEEP_TIME is the time between two successive CCA checks. */ /* CCA_SLEEP_TIME is the time between two successive CCA checks. */
/* Add 1 when rtimer ticks are coarse */ /* Add 1 when rtimer ticks are coarse */
@ -177,12 +191,20 @@ static int we_are_receiving_burst = 0;
#define GUARD_TIME 10 * CHECK_TIME + CHECK_TIME_TX #define GUARD_TIME 10 * CHECK_TIME + CHECK_TIME_TX
/* INTER_PACKET_INTERVAL is the interval between two successive packet transmissions */ /* INTER_PACKET_INTERVAL is the interval between two successive packet transmissions */
#ifdef CONTIKIMAC_CONF_INTER_PACKET_INTERVAL
#define INTER_PACKET_INTERVAL CONTIKIMAC_CONF_INTER_PACKET_INTERVAL
#else
#define INTER_PACKET_INTERVAL RTIMER_ARCH_SECOND / 5000 #define INTER_PACKET_INTERVAL RTIMER_ARCH_SECOND / 5000
#endif
/* AFTER_ACK_DETECTECT_WAIT_TIME is the time to wait after a potential /* AFTER_ACK_DETECTECT_WAIT_TIME is the time to wait after a potential
ACK packet has been detected until we can read it out from the ACK packet has been detected until we can read it out from the
radio. */ radio. */
#ifdef CONTIKIMAC_CONF_AFTER_ACK_DETECTECT_WAIT_TIME
#define AFTER_ACK_DETECTECT_WAIT_TIME CONTIKIMAC_CONF_AFTER_ACK_DETECTECT_WAIT_TIME
#else
#define AFTER_ACK_DETECTECT_WAIT_TIME RTIMER_ARCH_SECOND / 1500 #define AFTER_ACK_DETECTECT_WAIT_TIME RTIMER_ARCH_SECOND / 1500
#endif
/* MAX_PHASE_STROBE_TIME is the time that we transmit repeated packets /* MAX_PHASE_STROBE_TIME is the time that we transmit repeated packets
to a neighbor for which we have a phase lock. */ to a neighbor for which we have a phase lock. */