Changeset 228f251 in mainline for uspace/lib/drv/include/usbhc_iface.h

Timestamp:

2011-02-18T20:06:27Z (14 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

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

Children:

b36e5de2

Parents:

867e6735

Message:

Max packet size actually sent over IPC

File:

• uspace/lib/drv/include/usbhc_iface.h (modified) (3 diffs)

uspace/lib/drv/include/usbhc_iface.h

@@ -53 +53 @@
  *   - argument #1 is target address
  *   - argument #2 is target endpoint
- *   - argument #3 is buffer size
+ *   - argument #3 is max packet size of the endpoint
  * - this call is immediately followed by IPC data write (from caller)
  * - the initial call (and the whole transaction) is answer after the
@@ -66 +66 @@
  *   - argument #1 is target address
  *   - argument #2 is target endpoint
- *   - argument #3 is buffer size
+ *   - argument #3 is max packet size of the endpoint
  * - this call is immediately followed by IPC data read (async version)
  * - the call is not answered until the device returns some data (or until
@@ -194 +194 @@
         IPC_M_USBHC_CONTROL_WRITE,
 
-        /** Issue control WRITE transfer.
+        /** Issue control READ transfer.
          * See explanation at usb_iface_funcs_t (IN transaction) for
          * call parameters.
-         * This call is immediately followed by IPC data read from the caller
-         * (setup packet).
-         * Actual data are retrieved through IPC_M_USBHC_GET_BUFFER.
+         * This call is immediately followed by IPC data write from the caller
+         * (setup packet) and IPC data read (buffer that was read).
          */
         IPC_M_USBHC_CONTROL_READ,