USB HOST DRIVER V03 Freescale Semiconductor / Motorola, USB HOST DRIVER V03 Datasheet - Page 111

• Manufacturer Part Number: USB HOST DRIVER V03
• Description: USB Host Driver v03
• Manufacturer: Freescale Semiconductor / Motorola

5. Registry Settings.
The default settings for MOTUSB Driver are stored in the registry. These settings are
applied to every Device on which the MOTUSB Driver is installed. The registry settings
are stored under the following key:
Services \ motusb \ Parameters
All the registry settings are shown in the following table:
CancelIoOnSuspend
MaxTransferSize
RequestTimeout
ShortTransferOK
UnsafeRemovalUI
M
Value Name
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Table 5.1 Registry settings summary
Default
Value
65535
5000
0
1
1
Handling of outstanding read or write requests when the
Device goes into a suspend state (leaves D0):
1 = abort pending requests
0 = do not abort pending requests
Default maximum transfer size in bytes. This value is used on
default Device configuration or when the Client application
specifies use of default maximum transfer size in
Set Configuration or Set Interface calls.
Can be from 4096 to 2147483647
Timeout
milliseconds. Zero means infinite (no timeout).
USB1.1 specification defines 5 seconds timeout.
However this value can be useful during firmware debugging
Specifies that short packets in bulk and interrupt transfers are
accepted with no errors.
Specifies whether Windows “Unsafe Removal” dialog should
appear on hot Device disconnection.
1 = dialog should appear
0 = dialog should not appear
Registry Settings.
.
HKLM \ SYSTEM \ CurrentControlSet \
interval
for
Description
synchronous
I/O
requests,
5-1
in