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Презентация на тему USB Driver. Marvell Confidential

Driver OverviewUSB Driver Split into PC side and Device SideDevice side matches PC sideCurrent PC side driver is provided by SamSungCurrent Device side is developed by Marvell to cooperate with PC side driver.
USB Driver Driver OverviewUSB Driver Split into PC side and Device SideDevice side matches Drivers supported by Marvell MIFI Dynamic compositionDynamic composition use the CDC-ACM Device DescriptorEnumerated as Modem in PC RNDISDeveloped according to Microsoft RNDIS protocol3 endpoints for one device: 1 for control, 2 for data(RX/TX) ECMDeveloped according to USB CDC-ECM protocol3 endpoints for one device: 1 for control, 2 for data(RX/TX) USB Initialization process Setup packet process How to update USB descriptorModify or add new descriptor in USB2MgrUpdateDescriptor.Device descriptor.Configuration descriptor.String descriptor. How to configure Mass StorageConfigure mass storage.The max logical unit number.The Start/End How to modify the flash address of mass storageModify the flash address Driver Auto-installation Debug With Bushound How to capture bushound logSelect usb devices How to capture bushound logSet “Capture Capacity”.Set “Max Record Length” How to capture bushound logClick “run” button to start to capture log. How to capture bushound logSave log Thank You!
Слайды презентации

Слайд 2 Driver Overview
USB Driver Split into PC side and

Driver OverviewUSB Driver Split into PC side and Device SideDevice side

Device Side
Device side matches PC side
Current PC side driver

is provided by SamSung
Current Device side is developed by Marvell to cooperate with PC side driver.

Слайд 3 Drivers supported by Marvell MIFI

Drivers supported by Marvell MIFI

Слайд 4 Dynamic composition
Dynamic composition use the CDC-ACM Device Descriptor
Enumerated

Dynamic compositionDynamic composition use the CDC-ACM Device DescriptorEnumerated as Modem in

as Modem in PC side
3 endpoints for one device:

1 for control, 2 for data(RX/TX)
2 Modems realized in current design: one for AT, one for Diag

Слайд 5 RNDIS
Developed according to Microsoft RNDIS protocol
3 endpoints for

RNDISDeveloped according to Microsoft RNDIS protocol3 endpoints for one device: 1 for control, 2 for data(RX/TX)

one device: 1 for control, 2 for data(RX/TX)


Слайд 6 ECM
Developed according to USB CDC-ECM protocol
3 endpoints for

ECMDeveloped according to USB CDC-ECM protocol3 endpoints for one device: 1 for control, 2 for data(RX/TX)

one device: 1 for control, 2 for data(RX/TX)


Слайд 7 USB Initialization process

USB Initialization process

Слайд 8 Setup packet process

Setup packet process

Слайд 9 How to update USB descriptor
Modify or add new

How to update USB descriptorModify or add new descriptor in USB2MgrUpdateDescriptor.Device descriptor.Configuration descriptor.String descriptor.

descriptor in USB2MgrUpdateDescriptor.
Device descriptor.
Configuration descriptor.
String descriptor.


Слайд 10 How to configure Mass Storage
Configure mass storage.
The max

How to configure Mass StorageConfigure mass storage.The max logical unit number.The

logical unit number.
The Start/End flash address.
The media type of

logical disc.
Enable/Disable Mass storage.


Слайд 11 How to modify the flash address of mass

How to modify the flash address of mass storageModify the flash

storage
Modify the flash address of every logical unit disc

in flashpartition.h

Слайд 12 Driver Auto-installation

Driver Auto-installation

Слайд 13
Debug With Bushound

Debug With Bushound

Слайд 14 How to capture bushound log

Select usb devices

How to capture bushound logSelect usb devices

Слайд 15 How to capture bushound log

Set “Capture Capacity”.
Set “Max

How to capture bushound logSet “Capture Capacity”.Set “Max Record Length”

Record Length”


Слайд 16 How to capture bushound log

Click “run” button to

How to capture bushound logClick “run” button to start to capture log.

start to capture log.


Слайд 17 How to capture bushound log

Save log

How to capture bushound logSave log

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