Changeset 4267908 in mainline for uspace/lib/usbhost/include/usb/host/usb_device_manager.h

Timestamp:

2011-10-27T10:45:08Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

83c3123

Parents:

069b80d

Message:

libusbhost: Merge find_by_address and get_speed.

These functions were almost identical.
Clear handle on address release.

File:

• uspace/lib/usbhost/include/usb/host/usb_device_manager.h (modified) (2 diffs)

uspace/lib/usbhost/include/usb/host/usb_device_manager.h

@@ -49 +49 @@
 #define USB_ADDRESS_COUNT (USB11_ADDRESS_MAX + 1)
 
-/** Information about attached USB device. */
-struct usb_device_info {
-        usb_speed_t speed;
-        bool occupied;
-        devman_handle_t handle;
-};
-
 /** Host controller device manager.
- * You shall not access members directly but only using functions below.
+ * You shall not access members directly.
  */
 typedef struct {
-        struct usb_device_info devices[USB_ADDRESS_COUNT];
+        /** Information about attached USB devices. */
+        struct {
+                usb_speed_t speed;      /**< Device speed */
+                bool occupied;          /**< The address is in use. */
+                devman_handle_t handle; /**< Devman handle of the device. */
+        } devices[USB_ADDRESS_COUNT];
         fibril_mutex_t guard;
+        /** The last reserved address */
         usb_address_t last_address;
 } usb_device_manager_t;
@@ -76 +75 @@
     usb_address_t address);
 
-usb_address_t usb_device_manager_find(usb_device_manager_t *instance,
+usb_address_t usb_device_manager_find_address(usb_device_manager_t *instance,
     devman_handle_t handle);
 
-bool usb_device_manager_find_by_address(usb_device_manager_t *instance,
-    usb_address_t address, devman_handle_t *handle);
-
-usb_speed_t usb_device_manager_get_speed(usb_device_manager_t *instance,
-    usb_address_t address);
+int usb_device_manager_get_info_by_address(usb_device_manager_t *instance,
+    usb_address_t address, devman_handle_t *handle, usb_speed_t *speed);
 #endif
 /**