deac/osd-contiki
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

link-layer acks support for cooja motes

Browse source
This commit is contained in:
Fredrik Osterlind 2013-08-15 14:32:35 +02:00
parent 3caf1bfab4
commit 8041f66d8c
3 changed files with 29 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

26
core/net/mac/nullrdc.c
View file

@ -45,6 +45,10 @@
#include "net/rime/rimestats.h"
#include <string.h>
#if CONTIKI_TARGET_COOJA
#include "lib/simEnvChange.h"
#endif /* CONTIKI_TARGET_COOJA */
#define DEBUG 0
#if DEBUG
#include <stdio.h>
@ -172,7 +176,12 @@ send_one_packet(mac_callback_t sent, void *ptr)
/* Check for ack */
wt = RTIMER_NOW();
watchdog_periodic();
while(RTIMER_CLOCK_LT(RTIMER_NOW(), wt + ACK_WAIT_TIME));
while(RTIMER_CLOCK_LT(RTIMER_NOW(), wt + ACK_WAIT_TIME)) {
#if CONTIKI_TARGET_COOJA
simProcessRunValue = 1;
cooja_mt_yield();
#endif /* CONTIKI_TARGET_COOJA */
}
ret = MAC_TX_NOACK;
if(NETSTACK_RADIO.receiving_packet() ||
@ -181,10 +190,17 @@ send_one_packet(mac_callback_t sent, void *ptr)
int len;
uint8_t ackbuf[ACK_LEN];
wt = RTIMER_NOW();
watchdog_periodic();
while(RTIMER_CLOCK_LT(RTIMER_NOW(),
wt + AFTER_ACK_DETECTED_WAIT_TIME));
if(AFTER_ACK_DETECTED_WAIT_TIME > 0) {
wt = RTIMER_NOW();
watchdog_periodic();
while(RTIMER_CLOCK_LT(RTIMER_NOW(),
wt + AFTER_ACK_DETECTED_WAIT_TIME)) {
#if CONTIKI_TARGET_COOJA
simProcessRunValue = 1;
cooja_mt_yield();
#endif /* CONTIKI_TARGET_COOJA */
}
}
if(NETSTACK_RADIO.pending_packet()) {
len = NETSTACK_RADIO.read(ackbuf, ACK_LEN);