diff options
Diffstat (limited to 'os/kernel/include/chqueues.h')
-rw-r--r-- | os/kernel/include/chqueues.h | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/os/kernel/include/chqueues.h b/os/kernel/include/chqueues.h index 1f4f3f25a..76a0b63a5 100644 --- a/os/kernel/include/chqueues.h +++ b/os/kernel/include/chqueues.h @@ -37,9 +37,6 @@ #error "CH_USE_QUEUES requires CH_USE_SEMAPHORES"
#endif
-/** @brief Queue notification callback type.*/
-typedef void (*qnotify_t)(void);
-
/** @brief Returned by the queue functions if the operation is successful.*/
#define Q_OK RDY_OK
/** @brief Returned by the queue functions if a timeout occurs.*/
@@ -53,6 +50,14 @@ typedef void (*qnotify_t)(void); /**
* @brief Type of a generic I/O queue structure.
+ */
+typedef struct GenericQueue GenericQueue;
+
+/** @brief Queue notification callback type.*/
+typedef void (*qnotify_t)(GenericQueue *qp);
+
+/**
+ * @brief Generic I/O queue structure.
* @details This structure represents a generic Input or Output asymmetrical
* queue. The queue is asymmetrical because one end is meant to be
* accessed from a thread context, and thus can be blocking, the other
@@ -60,7 +65,7 @@ typedef void (*qnotify_t)(void); * lock zone (see <b>I-Locked</b> and <b>S-Locked</b> states in
* @ref system_states) and is non-blocking.
*/
-typedef struct {
+struct GenericQueue {
uint8_t *q_buffer; /**< @brief Pointer to the queue buffer.*/
uint8_t *q_top; /**< @brief Pointer to the first location
after the buffer. */
@@ -68,7 +73,7 @@ typedef struct { uint8_t *q_rdptr; /**< @brief Read pointer. */
Semaphore q_sem; /**< @brief Counter @p Semaphore. */
qnotify_t q_notify; /**< @brief Data notification callback. */
-} GenericQueue;
+};
/**
* @brief Returns the queue's buffer size.
@@ -266,6 +271,7 @@ typedef GenericQueue OutputQueue; extern "C" {
#endif
void chIQInit(InputQueue *iqp, uint8_t *bp, size_t size, qnotify_t infy);
+ size_t chIQGetFullI(InputQueue *iqp);
void chIQResetI(InputQueue *iqp);
msg_t chIQPutI(InputQueue *iqp, uint8_t b);
msg_t chIQGetTimeout(InputQueue *iqp, systime_t time);
@@ -273,6 +279,7 @@ extern "C" { size_t n, systime_t time);
void chOQInit(OutputQueue *oqp, uint8_t *bp, size_t size, qnotify_t onfy);
+ size_t chOQGetFullI(OutputQueue *oqp);
void chOQResetI(OutputQueue *oqp);
msg_t chOQPutTimeout(OutputQueue *oqp, uint8_t b, systime_t time);
msg_t chOQGetI(OutputQueue *oqp);
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