More macros added.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@944 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 21 insertions, 1 deletions

diff --git a/src/include/channels.h b/src/include/channels.h
index 2ff20b1ad..791572b75 100644
--- a/src/include/channels.h
+++ b/src/include/channels.h
@@ -258,13 +258,33 @@ typedef struct {
  *          transfer is non-blocking and can return zero if the channel has

  *          no data immediately available.

  *

- * @param[in] ip pointer to a @p BaseChannel or derived class

+ * @param[in] ip pointer to a @p BaseAsynchronousChannel or derived class

  * @param[out] bp pointer to the buffer where the input data is copied

  * @param[in] n the maximum amount of data to be transferred

  * @return The number of bytes transferred.

  */

 #define chIORead(ip, bp, n) ((ip)->vmt->m1.read(ip, bp, n))

 

+/**

+ * @brief Returns the write event source.

+ * @details The write event source is broadcasted when the channel is ready

+ *          for write operations. This usually happens when the internal

+ *          output queue becomes empty.
+ * @param[in] ip pointer to a @p BaseAsynchronousChannel or derived class

+ * @return A pointer to an @p EventSource object.

+ */

+#define chIOGetWriteEventSource(ip) (&((ip)->vmt->d1.oevent))

+

+/**

+ * @brief Returns the read event source.

+ * @details The read event source is broadcasted when the channel is ready

+ *          for read operations. This usually happens when the internal

+ *          input queue becomes non-empty.

+ * @param[in] ip pointer to a @p BaseAsynchronousChannel or derived class

+ * @return A pointer to an @p EventSource object.

+ */

+#define chIOGetReadEventSource(ip) (&((ip)->vmt->d1.ievent))

+

 #endif /* CH_USE_EVENTS */

 

 #endif /* _CHANNELS_H_ */