Changeset 70e5ad5 in mainline for uspace/drv/vhc/hub/hub.c

Timestamp:

2010-12-16T11:12:31Z (14 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

11658b64, 5863a95

Parents:

cea3fca

Message:

More doxygen comments

File:

• uspace/drv/vhc/hub/hub.c (modified) (7 diffs)

uspace/drv/vhc/hub/hub.c

@@ -31 +31 @@
  */
 /** @file
- * @brief Virtual USB hub.
+ * @brief Representation of an USB hub (implementation).
  */
 #include <usb/classes/classes.h>
@@ -338 +338 @@
 }
 
+/** Create hub status change bitmap.
+ *
+ * @warning This function assumes that the whole bitmap fits into 8 bits.
+ *
+ * @param hub Hub in question.
+ * @return Hub status change bitmap.
+ */
 uint8_t hub_get_status_change_bitmap(hub_t *hub)
 {
@@ -361 +368 @@
  */
 
+/** Find a port in a hub.
+ *
+ * @param hub Hub in question.
+ * @param port Port index (zero based).
+ * @return Port structure.
+ * @retval NULL Invalid port index.
+ */
 static hub_port_t *get_hub_port(hub_t *hub, size_t port)
 {
@@ -370 +384 @@
 }
 
+/** Adds a port status change to a port.
+ *
+ * @param port The port with status change.
+ * @param change Change to be added to the status.
+ */
 static void set_port_status_change(hub_port_t *port,
     hub_status_change_t change)
@@ -377 +396 @@
 }
 
+/** Clears a port status change on a port.
+ *
+ * @param port The port with status change.
+ * @param change Change to be removed from the status.
+ */
 static void clear_port_status_change(hub_port_t *port,
     uint16_t change)
@@ -384 +408 @@
 }
 
+/** Structure for automatic (delayed) port state change. */
 struct delay_port_state_change {
+        /** Delay in microseconds. */
         suseconds_t delay;
+        /** Old state of the port. */
         hub_port_state_t old_state;
+        /** New state of the port. */
         hub_port_state_t new_state;
+        /** Port index (zero based). */
         size_t port;
+        /** Hub. */
         hub_t *hub;
 };
 
+/** Fibril responsible for delayed port state change.
+ *
+ * @param arg Pointer to delay_port_state_change.
+ * @return Always EOK.
+ */
 static int set_port_state_delayed_fibril(void *arg)
 {
@@ -416 +451 @@
 }
 
+/** Change port state with a delay.
+ *
+ * @warning If the port state changes during the waiting phase, the state
+ * is not changed.
+ *
+ * @param hub Hub in question.
+ * @param port_index Port index (zero based).
+ * @param delay_time_ms Delay time in miliseconds.
+ * @param old_state Old (current) state of the port.
+ * @param new_state New state of the port.
+ */
 static void set_port_state_delayed(hub_t *hub, size_t port_index,
     suseconds_t delay_time_ms,