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unified: Add missing arguments to K_TIMER_DEFINE()

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It is now possible to specify the expiry and stop functions
of a statically-defined timer, just as can be done for a
dynamically-defined timer.

[Part of fix to ZEP-1186]

Change-Id: Ibb9096f3fdafdc6c904184587f86ecd52accdd66
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
This commit is contained in:
Allan Stephens 2016-11-03 13:54:53 -05:00 • committed by Anas Nashif
commit 1342adbd63
2 changed files with 16 additions and 5 deletions
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17
include/kernel.h
View file

@ -484,9 +484,17 @@ struct k_timer {
_DEBUG_TRACING_KERNEL_OBJECTS_NEXT_PTR(k_timer);
};
#define K_TIMER_INITIALIZER(obj) \
#define K_TIMER_INITIALIZER(obj, expiry, stop) \
{ \
.timeout.delta_ticks_from_prev = -1, \
.timeout.wait_q = NULL, \
.timeout.thread = NULL, \
.timeout.func = _timer_expiration_handler, \
.wait_q = SYS_DLIST_STATIC_INIT(&obj.wait_q), \
.expiry_fn = expiry, \
.stop_fn = stop, \
.status = 0, \
._legacy_data = NULL, \
_DEBUG_TRACING_KERNEL_OBJECTS_INIT \
}
@ -499,11 +507,13 @@ struct k_timer {
* extern struct k_timer @a name;
*
* @param name Name of the timer variable.
* @param expiry_fn Function to invoke each time timer expires.
* @param stop_fn Function to invoke if timer is stopped while running.
*/
#define K_TIMER_DEFINE(name) \
#define K_TIMER_DEFINE(name, expiry_fn, stop_fn) \
struct k_timer name \
__in_section(_k_timer, static, name) = \
K_TIMER_INITIALIZER(name)
K_TIMER_INITIALIZER(name, expiry_fn, stop_fn)
/**
* @brief Initialize a timer.
@ -2368,6 +2378,7 @@ extern void k_free(void *ptr);
extern int _is_thread_essential(void);
extern void _init_static_threads(void);
extern void _timer_expiration_handler(struct _timeout *t);
#ifdef __cplusplus
}

4
kernel/unified/timer.c
View file

@ -52,7 +52,7 @@ SYS_INIT(init_timer_module, PRIMARY, CONFIG_KERNEL_INIT_PRIORITY_OBJECTS);
*
* @return N/A
*/
static void timer_expiration_handler(struct _timeout *t)
void _timer_expiration_handler(struct _timeout *t)
{
int key = irq_lock();
struct k_timer *timer = CONTAINER_OF(t, struct k_timer, timeout);
@ -97,7 +97,7 @@ void k_timer_init(struct k_timer *timer,
timer->status = 0;
sys_dlist_init(&timer->wait_q);
_init_timeout(&timer->timeout, timer_expiration_handler);
_init_timeout(&timer->timeout, _timer_expiration_handler);
SYS_TRACING_OBJ_INIT(k_timer, timer);
timer->_legacy_data = NULL;