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Add an upper half watchdog timer driver

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4604 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2012-04-13 23:37:52 +00:00
parent aa38362fb0
commit 58a69e2d0e
6 changed files with 678 additions and 10 deletions
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include/nuttx/watchdog.h
+7 -7
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@@ -56,7 +56,7 @@
*
* WDIOC_START - Start the watchdog timer
* Argument: Ignored
* WDIOC_START - Stop the watchdog timer
* WDIOC_STOP - Stop the watchdog timer
* Argument: Ignored
* WDIOC_GETSTATUS - Get the status of the watchdog timer.
* Argument: A writeable pointer to struct watchdog_status_s.
@@ -133,7 +133,7 @@ struct watchdog_ops_s
/* Get the current watchdog timer status */
CODE int (*getstatus)(FAR struct watchdog_lowerhalf_s *lower,
FAR watchdog_state_s *status);
FAR struct watchdog_status_s *status);
/* Set a new timeout value (and reset the watchdog timer) */
@@ -141,14 +141,14 @@ struct watchdog_ops_s
uint32_t timeout);
/* Don't reset on watchdog timer timeout; instead, call this user provider
* timeout handler. NOTE: Providing handler==NULL will store the reset
* timeout handler. NOTE: Providing handler==NULL will restore the reset
* behavior.
*/
CODE xcpt_t (*capture)(FAR struct watchdog_lowerhalf_s *lower,
xcpt_t handler);
CODE xcpt_t handler);
/* An ioctl commands that are not recognized by the "upper-half" driver
/* Any ioctl commands that are not recognized by the "upper-half" driver
* are forwarded to the lower half driver through this method.
*/
@@ -217,8 +217,8 @@ extern "C" {
*
****************************************************************************/
FAR void *watchdog_register(FAR const char *path,
FAR struct watchdog_lowerhalf_s *lower);
EXTERN FAR void *watchdog_register(FAR const char *path,
FAR struct watchdog_lowerhalf_s *lower);
/****************************************************************************
* Name: watchdog_unregister