USB Complete fourth- P17 pptx
USB Complete fourth- P17 pptx
... high-speed USB boards with EZ -USB chips: the USBee
EX2 Experimenter’s Board from CWAV, Inc. and the QuickUSB Module from
Bitwise Systems, Inc. Both boards contain programmed Cypress EZ -USB FX2
controllers, ... that handles non -USB tasks and
communicates with the USB controller as needed. These chips are sometimes
called USB interface chips to distinguish them from microcontrollers...
USB Complete fourth- P2 pptx
... should use a USB interface? Find out whether
your device should use USB or another interface. If the choice is USB,
you’ll learn how to decide which of USB s four speeds—including USB
3.0’s SuperSpeed—and ... other USB devices? Find out how to develop a host
for an embedded system or a USB On-The-Go device that can function as
both a USB device and a limited-capability host tha...
USB Complete fourth- P12 pptx
... the host in response to the next Get Port Status request. A USB
1.x hub may instead detect the device’s speed just after a bus reset. USB 2.0
requires speed detection before the reset so the hub ... bandwidth. To help ensure that devices will enu-
merate without problems, default interfaces in USB 2.0 and USB 3.0 devices
must request no isochronous bandwidth. In other words, a default...
USB Complete fourth- P14 pptx
... way to provide this
information, the Wireless USB specification introduced two new descriptor
types. The USB 2.0 Link Power Management Addendum and USB 3.0 specifi-
cation also incorporate these ... return no string descriptors must not return an array of lan-
guage IDs. The USB- IF’s website has a list of defined USB language IDs.
bString is valid for string descriptors one and high...
USB Complete fourth- P19 pptx
... fit a defined USB
class and need only bulk or isochronous transfers.
#TEJKVGEVWTG
FTDI’s chips take a different approach to USB design. The controllers handle
enumeration and other USB communications ... enables adding USB to just
about any CPU circuit. A disadvantage is the need to use two chips instead of
having the CPU and USB controller on a single chip. Also, example code for...
USB Complete fourth- P28 pptx
... Definitions
public const string WINUSB_DEMO_GUID_STRING =
"{42CA71EC-CE1C-44c2-82DE-87D8D8FF6C1E}";
Use
System.Guid myGuid = new System.Guid( WINUSB_DEMO_GUID_STRING );
4GSWGUVKPIC2QKPVGTVQC&GXKEG+PHQTOCVKQP5GV
The ... object.
8$ Definitions
Public Const WINUSB_DEMO_GUID_STRING As String = _
"{42CA71EC-CE1C-44c2-82DE-87D8D8FF6C1E}"
Use
Dim myGuid As New Syst...
USB Complete fourth- P37 pptx
... vendor-specific functions is Microsoft’s
WinUSB driver. This chapter shows how to develop a device that uses the
WinUSB driver and how to use the WinUSB API to access the device from
applications.
%CRCDKNKVKGUCPF.KOKVU
A ... the device from
applications.
%CRCDKNKVKGUCPF.KOKVU
A device is a candidate for using the WinUSB driver if the device and its host
computer(s) meet the requirements b...
USB Complete fourth- P45 pptx
... tests. The USB Command Verifier Compliance Test Specification
describes the tests. The USBCV software and test-specification document are
available from the USB- IF’s website.
The USBCV software ... exiting USBCV, the
software restores the original driver.
The USB- IF recommends running the software only on hosts that are using
Microsoft’s USB drivers. You can run the tests while using...
USB Complete fourth- P1 pdf
... NET2272 . . . . . . . . . . . . . . . . . . . . . . . . . 157
FTDI USB UART and USB FIFO. . . . . . . . . . . . . . . . . . . . 159
USB Complete: The Developer’s Guide, Fourth Edition
by Jan Axelson
Copyright ...
Microchip PIC18F4550 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Cypress EZ -USB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
AR...
USB Complete fourth- P3 ppsx
... option with the release of USB
2.0, and USB 3.0 defined SuperSpeed.
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USB s reliability is due to both the hardware and the protocols. The hardware
specifications for USB drivers, receivers, ... flexibility built into the USB protocol, the support
in the controller chips and operating system, and the support available from the
USB Implementers Forum.
8GTUCVKNG
USB s four tr...
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