Changeset 5e07cbc0 in mainline for uspace/lib/usbhost/src/usb_device_manager.c

Timestamp:

2011-10-31T13:39:22Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

0cd8089

Parents:

27ed734c

Message:

libusbhost: usb_device_manager: Add speed limit.

File:

• uspace/lib/usbhost/src/usb_device_manager.c (modified) (3 diffs)

uspace/lib/usbhost/src/usb_device_manager.c

@@ -41 +41 @@
  *
  * @param[in] instance Memory place to initialize.
+ * @param[in] max_speed Maximum allowed USB speed of devices (inclusive).
  *
  * Set all values to false/0.
  */
-void usb_device_manager_init(usb_device_manager_t *instance)
+void usb_device_manager_init(
+    usb_device_manager_t *instance, usb_speed_t max_speed)
 {
         assert(instance);
@@ -56 +58 @@
         instance->devices[0].occupied = true;
         instance->last_address = 0;
+        instance->max_speed = max_speed;
         fibril_mutex_initialize(&instance->guard);
 }
@@ -69 +72 @@
 {
         assert(instance);
+        if (speed > instance->max_speed)
+                return ENOTSUP;
         fibril_mutex_lock(&instance->guard);