Changeset 0816c2e in mainline for uspace/lib/usbhost/src/hcd.c

Timestamp:

2013-01-04T11:22:10Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

b4c1c95

Parents:

17bbb28

Message:

libusbhost: Add hcd endpoint manipulation wrappers

File:

• uspace/lib/usbhost/src/hcd.c (modified) (1 diff)

uspace/lib/usbhost/src/hcd.c

@@ -62 +62 @@
         hcd->ep_remove_hook = NULL;
 }
+
+/** Calls ep_add_hook upon endpoint registration.
+ * @param ep Endpoint to be registered.
+ * @param arg hcd_t in disguise.
+ * @return Error code.
+ */
+static int register_helper(endpoint_t *ep, void *arg)
+{
+        hcd_t *hcd = arg;
+        assert(ep);
+        assert(hcd);
+        if (hcd->ep_add_hook)
+                return hcd->ep_add_hook(hcd, ep);
+        return EOK;
+}
+
+
+/** Calls ep_remove_hook upon endpoint removal.
+ * @param ep Endpoint to be unregistered.
+ * @param arg hcd_t in disguise.
+ */
+static void unregister_helper(endpoint_t *ep, void *arg)
+{
+        hcd_t *hcd = arg;
+        assert(ep);
+        assert(hcd);
+        if (hcd->ep_remove_hook)
+                hcd->ep_remove_hook(hcd, ep);
+}
+
+int hcd_add_ep(hcd_t *hcd, usb_target_t target, usb_direction_t dir,
+    usb_transfer_type_t type, size_t max_packet_size, size_t size)
+{
+        assert(hcd);
+        usb_speed_t speed = USB_SPEED_MAX;
+        const int ret = usb_device_manager_get_info_by_address(
+            &hcd->dev_manager, target.address, NULL, &speed);
+        if (ret != EOK) {
+                return ret;
+        }
+        return usb_endpoint_manager_add_ep(&hcd->ep_manager, target.address,
+            target.endpoint, dir, type, speed, max_packet_size, size,
+            register_helper, hcd);
+}
+
+int hcd_remove_ep(hcd_t *hcd, usb_target_t target, usb_direction_t dir)
+{
+        assert(hcd);
+        return usb_endpoint_manager_remove_ep(&hcd->ep_manager, target.address,
+            target.endpoint, dir, unregister_helper, hcd);
+}
+
 
 typedef struct {