Added new function chEvtGetAndClearEventsI().

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10760 35acf78f-673a-0410-8e92-d51de3d6d3f4

3 files changed, 21 insertions, 3 deletions

diff --git a/os/rt/include/chevents.h b/os/rt/include/chevents.h
index a01c6d71e..8b14ed112 100644
--- a/os/rt/include/chevents.h
+++ b/os/rt/include/chevents.h
@@ -125,6 +125,7 @@ extern "C" {
                                   eventmask_t events,

                                   eventflags_t wflags);

   void chEvtUnregister(event_source_t *esp, event_listener_t *elp);

+  eventmask_t chEvtGetAndClearEventsI(eventmask_t events);

   eventmask_t chEvtGetAndClearEvents(eventmask_t events);

   eventmask_t chEvtAddEvents(eventmask_t events);

   eventflags_t chEvtGetAndClearFlags(event_listener_t *elp);

diff --git a/os/rt/src/chevents.c b/os/rt/src/chevents.c
index 4f318960a..63740d50b 100644
--- a/os/rt/src/chevents.c
+++ b/os/rt/src/chevents.c
@@ -157,14 +157,30 @@ void chEvtUnregister(event_source_t *esp, event_listener_t *elp) {
  * @param[in] events    the events to be cleared

  * @return              The mask of pending events that were cleared.

  *

+ * @iclass

+ */

+eventmask_t chEvtGetAndClearEventsI(eventmask_t events) {

+  eventmask_t m;

+

+  m = currp->epending & events;

+  currp->epending &= ~events;

+

+  return m;

+}

+

+/**

+ * @brief   Clears the pending events specified in the events mask.

+ *

+ * @param[in] events    the events to be cleared

+ * @return              The mask of pending events that were cleared.

+ *

  * @api

  */

 eventmask_t chEvtGetAndClearEvents(eventmask_t events) {

   eventmask_t m;

 

   chSysLock();

-  m = currp->epending & events;

-  currp->epending &= ~events;

+  m = chEvtGetAndClearEventsI(events);

   chSysUnlock();

 

   return m;

diff --git a/readme.txt b/readme.txt
index 803ebe7f4..422f649d4 100644
--- a/readme.txt
+++ b/readme.txt
@@ -94,7 +94,8 @@
        timeout capability, for consistency with the rest of the system.

 - NEW: Modified mailboxes to use a size_t as counter instead of a cnt_t,

        this is a leftover of semaphores in previous mailboxes implementation.

-- NEW: Added a new function to RT events chEvtAddEventsI().

+- NEW: Added a new functions to RT events chEvtGetAndClearEventsI() and

+       chEvtAddEventsI().

 - NEW: Integrated the latest FatFS 0.13 with patches.

 - NEW: Improved RT and NIL test suite to report version numbers and

        configuration settings.