Changeset c804484 in mainline for uspace/lib/usbdev/src/pipes.c

Timestamp:

2011-12-12T13:14:09Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

3538b0e

Parents:

1561e8b

Message:

libusbdev: Move pipe init/init_default register/unregister impelmentation to pipes.c

File:

• uspace/lib/usbdev/src/pipes.c (modified) (1 diff)

uspace/lib/usbdev/src/pipes.c

@@ -292 +292 @@
         return usb_pipe_write_no_check(pipe, 0, buffer, size);
 }
+/*----------------------------------------------------------------------------*/
+/** Initialize USB endpoint pipe.
+ *
+ * @param pipe Endpoint pipe to be initialized.
+ * @param connection Connection to the USB device backing this pipe (the wire).
+ * @param endpoint_no Endpoint number (in USB 1.1 in range 0 to 15).
+ * @param transfer_type Transfer type (e.g. interrupt or bulk).
+ * @param max_packet_size Maximum packet size in bytes.
+ * @param direction Endpoint direction (in/out).
+ * @return Error code.
+ */
+int usb_pipe_initialize(usb_pipe_t *pipe,
+    usb_device_connection_t *connection, usb_endpoint_t endpoint_no,
+    usb_transfer_type_t transfer_type, size_t max_packet_size,
+    usb_direction_t direction)
+{
+        assert(pipe);
+        assert(connection);
+
+        fibril_mutex_initialize(&pipe->guard);
+        pipe->wire = connection;
+        pipe->endpoint_no = endpoint_no;
+        pipe->transfer_type = transfer_type;
+        pipe->max_packet_size = max_packet_size;
+        pipe->direction = direction;
+        pipe->auto_reset_halt = false;
+
+        return EOK;
+}
+/*----------------------------------------------------------------------------*/
+/** Initialize USB endpoint pipe as the default zero control pipe.
+ *
+ * @param pipe Endpoint pipe to be initialized.
+ * @param connection Connection to the USB device backing this pipe (the wire).
+ * @return Error code.
+ */
+int usb_pipe_initialize_default_control(usb_pipe_t *pipe,
+    usb_device_connection_t *connection)
+{
+        assert(pipe);
+        assert(connection);
+
+        int rc = usb_pipe_initialize(pipe, connection, 0, USB_TRANSFER_CONTROL,
+            CTRL_PIPE_MIN_PACKET_SIZE, USB_DIRECTION_BOTH);
+
+        pipe->auto_reset_halt = true;
+
+        return rc;
+}
+/*----------------------------------------------------------------------------*/
+/** Register endpoint with the host controller.
+ *
+ * @param pipe Pipe to be registered.
+ * @param interval Polling interval.
+ * @return Error code.
+ */
+int usb_pipe_register(usb_pipe_t *pipe, unsigned interval)
+{
+        assert(pipe);
+        assert(pipe->wire);
+
+        return usb_device_register_endpoint(pipe->wire,
+           pipe->endpoint_no, pipe->transfer_type,
+           pipe->direction, pipe->max_packet_size, interval);
+}
+/*----------------------------------------------------------------------------*/
+/** Revert endpoint registration with the host controller.
+ *
+ * @param pipe Pipe to be unregistered.
+ * @return Error code.
+ */
+int usb_pipe_unregister(usb_pipe_t *pipe)
+{
+        assert(pipe);
+        assert(pipe->wire);
+
+        return usb_device_unregister_endpoint(pipe->wire,
+            pipe->endpoint_no, pipe->direction);
+}
+
 /**
  * @}