git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@649 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 23 insertions, 11 deletions

diff --git a/src/chsem.c b/src/chsem.c
index 094a30d4e..3af4854f5 100644
--- a/src/chsem.c
+++ b/src/chsem.c
@@ -26,10 +26,13 @@
 

 #ifdef CH_USE_SEMAPHORES

 /**

- * Initializes a semaphore with the specified counter value.

+ * @brief Initializes a semaphore with the specified counter value.

+ *

  * @param sp pointer to a @p Semaphore structure

  * @param n initial value of the semaphore counter. Must be non-negative.

- * @note Can be called with interrupts disabled or enabled.

+ * @note This function can be invoked from within an interrupt handler even if

+ *       it is not an I-Class API because it does not touch any critical kernel

+ *       data structure.

  */

 void chSemInit(Semaphore *sp, cnt_t n) {

 

@@ -39,7 +42,8 @@ void chSemInit(Semaphore *sp, cnt_t n) {
 }

 

 /**

- * Performs a reset operation on the semaphore.

+ * @brief Performs a reset operation on the semaphore.

+ *

  * @param sp pointer to a @p Semaphore structure

  * @param n the new value of the semaphore counter. The value must be non-negative.

  * @note The released threads can recognize they were waked up by a reset

@@ -57,7 +61,8 @@ void chSemReset(Semaphore *sp, cnt_t n) {
 }

 

 /**

- * Performs a reset operation on the semaphore.

+ * @brief Performs a reset operation on the semaphore.

+ *

  * @param sp pointer to a @p Semaphore structure

  * @param n the new value of the semaphore counter. The value must be non-negative.

  * @note The released threads can recognize they were waked up by a reset

@@ -76,7 +81,8 @@ void chSemResetI(Semaphore *sp, cnt_t n) {
 }

 

 /**

- * Performs a wait operation on a semaphore.

+ * @brief Performs a wait operation on a semaphore.

+ *

  * @param sp pointer to a @p Semaphore structure

  * @retval RDY_OK if the semaphore was signaled or not taken.

  * @retval RDY_RESET if the semaphore was reset using @p chSemReset().

@@ -93,7 +99,8 @@ msg_t chSemWait(Semaphore *sp) {
 }

 

 /**

- * Performs a wait operation on a semaphore.

+ * @brief Performs a wait operation on a semaphore.

+ *

  * @param sp pointer to a @p Semaphore structure

  * @retval RDY_OK if the semaphore was signaled or not taken.

  * @retval RDY_RESET if the semaphore was reset using @p chSemReset().

@@ -113,7 +120,8 @@ msg_t chSemWaitS(Semaphore *sp) {
 

 #ifdef CH_USE_SEMAPHORES_TIMEOUT

 /**

- * Performs a wait operation on a semaphore with timeout specification.

+ * @brief Performs a wait operation on a semaphore with timeout specification.

+ *

  * @param sp pointer to a @p Semaphore structure

  * @param time the number of ticks before the operation fails

  * @retval RDY_OK if the semaphore was signaled or not taken.

@@ -135,7 +143,8 @@ msg_t chSemWaitTimeout(Semaphore *sp, systime_t time) {
 }

 

 /**

- * Performs a wait operation on a semaphore with timeout specification.

+ * @brief Performs a wait operation on a semaphore with timeout specification.

+ *

  * @param sp pointer to a @p Semaphore structure

  * @param time the number of ticks before the operation fails

  * @retval RDY_OK if the semaphore was signaled or not taken.

@@ -157,7 +166,8 @@ msg_t chSemWaitTimeoutS(Semaphore *sp, systime_t time) {
 #endif /* CH_USE_SEMAPHORES_TIMEOUT */

 

 /**

- * Performs a signal operation on a semaphore.

+ * @brief Performs a signal operation on a semaphore.

+ *

  * @param sp pointer to a @p Semaphore structure

  * @note The function is available only if the @p CH_USE_SEMAPHORES

  *       option is enabled in @p chconf.h.

@@ -173,7 +183,8 @@ void chSemSignal(Semaphore *sp) {
 }

 

 /**

- * Performs a signal operation on a semaphore.

+ * @brief Performs a signal operation on a semaphore.

+ *

  * @param sp pointer to a @p Semaphore structure

  * @note The function is available only if the @p CH_USE_SEMAPHORES

  *       option is enabled in @p chconf.h.

@@ -192,7 +203,8 @@ void chSemSignalI(Semaphore *sp) {
 

 #ifdef CH_USE_SEMSW

 /**

- * Performs atomic signal and wait operations on two semaphores.

+ * @brief Performs atomic signal and wait operations on two semaphores.

+ *

  * @param sps pointer to a @p Semaphore structure to be signaled

  * @param spw pointer to a @p Semaphore structure to be wait on

  * @retval RDY_OK if the semaphore was signaled or not taken.