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Extend the length of announcement packets if they are too short

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This commit is contained in:
adamdunkels 2010-03-19 13:24:58 +00:00
parent aeec1769dc
commit 49009e9cbd
1 changed files with 8 additions and 3 deletions
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11
core/net/mac/contikimac.c
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@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: contikimac.c,v 1.15 2010/03/17 18:24:06 adamdunkels Exp $
* $Id: contikimac.c,v 1.16 2010/03/19 13:24:58 adamdunkels Exp $
*/
/**
@ -60,7 +60,7 @@
#include <string.h>
#ifndef WITH_ACK_OPTIMIZATION
#define WITH_ACK_OPTIMIZATION 1
#define WITH_ACK_OPTIMIZATION 0
#endif
#ifndef WITH_PHASE_OPTIMIZATION
#define WITH_PHASE_OPTIMIZATION 1
@ -116,7 +116,7 @@ struct announcement_msg {
#define SHORTEST_PACKET_SIZE 18
/* The cycle time for announcements. */
#define ANNOUNCEMENT_PERIOD 2 * CLOCK_SECOND
#define ANNOUNCEMENT_PERIOD 4 * CLOCK_SECOND
/* The time before sending an announcement within one announcement
cycle. */
@ -637,6 +637,8 @@ send_packet(mac_callback_t mac_callback, void *mac_callback_ptr)
RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + STROBE_TIME); strobes++) {
#endif
watchdog_periodic();
/* if(is_known_receiver && strobes > MAX_PHASE_STROBES) {
break;
}*/
@ -830,6 +832,9 @@ send_announcement(void *ptr)
announcement_len = format_announcement(packetbuf_dataptr());
if(announcement_len > 0) {
if(announcement_len < SHORTEST_PACKET_SIZE) {
announcement_len = SHORTEST_PACKET_SIZE;
}
packetbuf_set_datalen(announcement_len);
packetbuf_set_addr(PACKETBUF_ADDR_SENDER, &rimeaddr_node_addr);