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

Reverted the recent change from random_rand() to rand(). It turned out that

Browse source 
since libc rand() returns a signed int, there were frequently problems with
timer values wrapping. By reverting to random_rand(), we can provide a
random generator that returns an unsigned and the timer problems are solved.
This commit is contained in:
adamdunkels 2009-02-11 11:08:53 +00:00
parent b80d3cfdb9
commit 585620c102
10 changed files with 28 additions and 29 deletions
Download patch file Download diff file Expand all files Collapse all files

4
examples/rime/example-collect.c
View file

@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: example-collect.c,v 1.4 2009/02/07 16:17:33 adamdunkels Exp $
* $Id: example-collect.c,v 1.5 2009/02/11 11:08:56 adamdunkels Exp $
*/
/**
@ -79,7 +79,7 @@ PROCESS_THREAD(example_collect_process, ev, data)
/* Send a packet every 16 seconds; first wait 8 seconds, than a
random time between 0 and 8 seconds. */
etimer_set(&et, CLOCK_SECOND * 16 + rand() % (CLOCK_SECOND * 16));
etimer_set(&et, CLOCK_SECOND * 16 + random_rand() % (CLOCK_SECOND * 16));
PROCESS_WAIT_EVENT();
if(etimer_expired(&et)) {