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No need to send strobes for broadcast packets: just send the actual packet instead

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This commit is contained in:
adamdunkels 2008-07-07 23:25:12 +00:00
parent 35261f5208
commit c0c26262c4
1 changed files with 10 additions and 4 deletions
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14
core/net/mac/xmac.c
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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: xmac.c,v 1.19 2008/06/30 08:10:02 adamdunkels Exp $ * $Id: xmac.c,v 1.20 2008/07/07 23:25:12 adamdunkels Exp $
*/ */
/** /**
@ -336,8 +336,14 @@ send_packet(void)
TIMETABLE_TIMESTAMP(xmac_timetable, "send strobe"); TIMETABLE_TIMESTAMP(xmac_timetable, "send strobe");
} }
#endif #endif
/* Send the strobe packet. */ if(is_broadcast) {
radio->send((const uint8_t *)&msg, sizeof(struct xmac_hdr)); /* If we are sending a broadcast, we don't send strobes, we
simply send the data packet repetedly */
radio->send(rimebuf_hdrptr(), rimebuf_totlen());
} else {
/* Send the strobe packet. */
radio->send((const uint8_t *)&msg, sizeof(struct xmac_hdr));
}
CPRINTF("+"); CPRINTF("+");
while(got_ack == 0 && while(got_ack == 0 &&
@ -383,7 +389,7 @@ send_packet(void)
} }
/* Send the data packet. */ /* Send the data packet. */
if(rimeaddr_cmp(&hdr->receiver, &rimeaddr_null) || got_ack) { if(is_broadcast || got_ack) {
#if WITH_TIMETABLE #if WITH_TIMETABLE
TIMETABLE_TIMESTAMP(xmac_timetable, "send packet"); TIMETABLE_TIMESTAMP(xmac_timetable, "send packet");
#endif #endif