Apple-2-SW/contiki
1
0
Fork 0
mirror of https://github.com/oliverschmidt/contiki.git synced 2024-12-22 10:30:13 +00:00
Code Issues Projects Releases Wiki Activity

Count the number of times the watchdog has been stopped to avoid starting it when someone else has stopped it

Browse Source
This commit is contained in:
adamdunkels 2008-02-11 10:45:19 +00:00
parent 660b7f9a78
commit da49b950d4
1 changed files with 7 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
cpu/msp430/watchdog.c
View File

@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* @(#)$Id: watchdog.c,v 1.4 2008/01/21 10:39:23 adamdunkels Exp $
* @(#)$Id: watchdog.c,v 1.5 2008/02/11 10:45:19 adamdunkels Exp $
*/
#include <io.h>
#include "dev/watchdog.h"
@ -40,6 +40,7 @@ watchdog_init(void)
{
/* The MSP430 watchdog is enabled at boot-up, so we stop it during
initialization. */
stopped = 0;
watchdog_stop();
}
/*---------------------------------------------------------------------------*/
@ -48,8 +49,10 @@ watchdog_start(void)
{
/* We setup the watchdog to reset the device after one second,
unless watchdog_periodic() is called. */
stopped--;
if(!stopped) {
WDTCTL = WDTPW | WDTCNTCL | WDT_ARST_1000;
stopped = 0;
}
}
/*---------------------------------------------------------------------------*/
void
@ -66,7 +69,7 @@ void
watchdog_stop(void)
{
WDTCTL = WDTPW | WDTHOLD;
stopped = 1;
stopped++;
}
/*---------------------------------------------------------------------------*/
void