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Fix a couple of bugs in the STM32 IWDG driver

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4620 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2012-04-16 22:15:33 +00:00
parent ca34a1bc4d
commit c18cc5aec5
1 changed files with 33 additions and 0 deletions
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33
examples/watchdog/watchdog_main.c
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@ -223,6 +223,9 @@ static void parse_args(FAR struct wdog_example_s *wdog, int argc, FAR char **arg
int wdog_main(int argc, char *argv[])
{
struct wdog_example_s wdog;
#ifdef CONFIG_DEBUG_WATCHDOG
struct watchdog_status_s status;
#endif
long elapsed;
int fd;
int ret;
@ -278,6 +281,21 @@ int wdog_main(int argc, char *argv[])
usleep(wdog.pingdelay * 1000);
/* Show watchdog status. Only if debug is enabled because this
* could interfere with the timer.
*/
#ifdef CONFIG_DEBUG_WATCHDOG
ret = ioctl(fd, WDIOC_GETSTATUS, (unsigned long)&status);
if (ret < 0)
{
message("wdog_main: ioctl(WDIOC_GETSTATUS) failed: %d\n", errno);
goto errout_with_dev;
}
message("wdog_main: flags=%08x timeout=%d timeleft=%d\n",
status.flags, status.timeout, status.timeleft);
#endif
/* Then ping */
ret = ioctl(fd, WDIOC_KEEPALIVE, 0);
@ -299,6 +317,21 @@ int wdog_main(int argc, char *argv[])
usleep(wdog.pingdelay * 1000);
/* Show watchdog status. Only if debug is enabled because this
* could interfere with the timer.
*/
#ifdef CONFIG_DEBUG_WATCHDOG
ret = ioctl(fd, WDIOC_GETSTATUS, (unsigned long)&status);
if (ret < 0)
{
message("wdog_main: ioctl(WDIOC_GETSTATUS) failed: %d\n", errno);
goto errout_with_dev;
}
message("wdog_main: flags=%08x timeout=%d timeleft=%d\n",
status.flags, status.timeout, status.timeleft);
#endif
message(" NO ping elapsed=%ld\n", elapsed);
msgflush();
}