Canon imageRUNNER ADVANCE C5255, Руководство по обслуживанию, Страница: 226 / 1443

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Technology > MEAP > Formatting and Replacing the HDD > Using USB Devices
Technology > MEAP > Formatting and Replacing the HDD > Using USB Devices
Operating mode
settings [Use MEAP
driver as USB input
device]
Conventional USB
keyboard enabled MEAP
application
Software keyboard
application
(System Driver/
MEAP Driver)
System driver
supported MEAP
application
ON
* MEAP driver
(conventional
compatibility mode)
Can use USB keyboard.
Can work only on the
conventional applications
that support the MEAP
application driver.
Cannot use USB
keyboards. (Device
cannot be detected.)
Cannot use USB
keyboards.
OFF (*default)
* Native driver
Cannot use USB
keyboards. (Device cannot
be detected.)
Can use USB
keyboards.
Can use USB
keyboards. Via software
keyboards only.
Note:
When any settings changes are made, the device must be restarted.
Setting the USB driver for each USB device (MEAP driver preference registration)
If it is set to use the system driver, the conventional applications that support the MEAP
application driver cannot use the USB input device.
Therefore, for the USB drivers used by USB devices/MEAP applications, there is setting
function (MEAP driver preference registration) to give priority to the MEAP driver.
If you register the ID of the USB device by using this function, the USB device can use the
MEAP driver despite the Additional Function settings.
Using this function requires the conditions below:
• Supported MEAP SpecVer: 26
• Describe the idVendeor(VID) and idProdutc(PID) of USB device in the manifest or activate/
deactivate the VID and PID by calling API from MEAP applications.
The driver setting that is used in a manifest file is reflected in the following timing.
When registering from a manifest file.
• The registration will be enabled when an application is activated and device is
restarted.
• The registration will be disabled when an application is stopped and device is
restarted.
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Note:
You can display/check the used driver setting at “USB device report print” described
below regardless of whether it is registered from a manifest file or is registered from
API.
Availability for MEAP application of the USB device A (either HID keyboard or Mass Storage)
plugged to iR device
Registration
status of
USB device
A
When the HID keyboard is
installed > USB Settings:
[Use MEAP Driver for USB
Input Device]
When the Mass Storage is
installed > USB Settings:
[Use MEAP Driver for
External USB Device]
Native
application
MEAP application
System
driver
supported
application
System driver
not supported/
conventional
application
Application
with VID/
PID
declared
in Manifest
for x
Not
registered
OFF YES YES NO
ON NO NO YES
Registered OFF NO NO YES YES
ON NO NO YES YES
YES: USB device available NO: USB device not available
Availability for MEAP applications of USB devices B and C (either HID keyboard or Mass
Storage) plugged to iR device
Registration
status of
USB device
B
Setting to use
MEAP driver
(Additional
Functions
mode)
USB
device
Native
application
MEAP application
System
driver
supported
application
System driver
not supported
/ conventional
application
Application
with VID/PID
declared in
Manifest for B
Registered Not used
(Native driver to
be used)
B YES YES NO
C YES YES NO
To be used B NO NO YES
C NO NO YES
Not
registered
Not used
(Native driver to
be used)
B NO NO YES YES
C YES YES NO NO
To be used B NO NO YES YES
C NO NO YES YES
YES: USB device available NO: USB device not available
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