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Added chEvtRegisterMaskWithFlagsI(). 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@14512 27425a3e-05d8-49a3-a47f-9c15f0e5edd8
This commit is contained in:
Giovanni Di Sirio 2021-06-07 12:07:57 +00:00
parent 5eb44d6c8e
commit fb572f9842
2 changed files with 36 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
os/rt/include/chevents.h
View File

@ -120,6 +120,10 @@ typedef void (*evhandler_t)(eventid_t id);
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
#endif #endif
void chEvtRegisterMaskWithFlagsI(event_source_t *esp,
event_listener_t *elp,
eventmask_t events,
eventflags_t wflags);
void chEvtRegisterMaskWithFlags(event_source_t *esp, void chEvtRegisterMaskWithFlags(event_source_t *esp,
event_listener_t *elp, event_listener_t *elp,
eventmask_t events, eventmask_t events,

38
os/rt/src/chevents.c
View File

@ -98,23 +98,47 @@
* the event source is broadcasted * the event source is broadcasted
* @param[in] wflags mask of flags the listening thread is interested in * @param[in] wflags mask of flags the listening thread is interested in
* *
* @api * @iclass
*/ */
void chEvtRegisterMaskWithFlags(event_source_t *esp, void chEvtRegisterMaskWithFlagsI(event_source_t *esp,
event_listener_t *elp, event_listener_t *elp,
eventmask_t events, eventmask_t events,
eventflags_t wflags) { eventflags_t wflags) {
thread_t *currtp = chThdGetSelfX(); thread_t *currtp = chThdGetSelfX();
chDbgCheckClassI();
chDbgCheck((esp != NULL) && (elp != NULL)); chDbgCheck((esp != NULL) && (elp != NULL));
chSysLock();
elp->next = esp->next; elp->next = esp->next;
esp->next = elp; esp->next = elp;
elp->listener = currtp; elp->listener = currtp;
elp->events = events; elp->events = events;
elp->flags = (eventflags_t)0; elp->flags = (eventflags_t)0;
elp->wflags = wflags; elp->wflags = wflags;
}
/**
* @brief Registers an Event Listener on an Event Source.
* @details Once a thread has registered as listener on an event source it
* will be notified of all events broadcasted there.
* @note Multiple Event Listeners can specify the same bits to be ORed to
* different threads.
*
* @param[in] esp pointer to the @p event_source_t structure
* @param[in] elp pointer to the @p event_listener_t structure
* @param[in] events events to be ORed to the thread when
* the event source is broadcasted
* @param[in] wflags mask of flags the listening thread is interested in
*
* @api
*/
void chEvtRegisterMaskWithFlags(event_source_t *esp,
event_listener_t *elp,
eventmask_t events,
eventflags_t wflags) {
chSysLock();
chEvtRegisterMaskWithFlagsI(esp, elp, events, wflags);
chSysUnlock(); chSysUnlock();
} }
@ -164,6 +188,8 @@ eventmask_t chEvtGetAndClearEventsI(eventmask_t events) {
thread_t *currtp = chThdGetSelfX(); thread_t *currtp = chThdGetSelfX();
eventmask_t m; eventmask_t m;
chDbgCheckClassI();
m = currtp->epending & events; m = currtp->epending & events;
currtp->epending &= ~events; currtp->epending &= ~events;