Changeset fa0f53b in mainline for uspace/lib/usb/src/pipesinit.c

Timestamp:

2011-04-14T13:54:40Z (14 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

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

Children:

12b8e03

Parents:

5e168be1

Message:

Automatic endpoint halt clearing (#190)

To prevent total stall of endpoint 0, if some control read/write
function detects a stall, it automatically tries to clear it.

On real HW it works more or less fine, simulators does not always
handle stall condition correctly.

File:

• uspace/lib/usb/src/pipesinit.c (modified) (2 diffs)

uspace/lib/usb/src/pipesinit.c

@@ -365 +365 @@
         pipe->direction = direction;
         pipe->refcount = 0;
+        pipe->auto_reset_halt = false;
 
         return EOK;
@@ -385 +386 @@
             0, USB_TRANSFER_CONTROL, CTRL_PIPE_MIN_PACKET_SIZE,
             USB_DIRECTION_BOTH);
+
+        pipe->auto_reset_halt = true;
 
         return rc;