USB HOST DRIVER V03 Freescale Semiconductor / Motorola, USB HOST DRIVER V03 Datasheet - Page 66

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

3.9. Constants.
3.9.1.
MOTUSB defines several constant values in the
The following table shows limitation constants applied to the MOTUSB Driver:
USB_MAX_CONFIG_COUNT
USB_MAX_INTERFACE_COUNT
USB_MAX_ENDPOINTS_COUNT
USB_MAX_TRANSFER_SIZE
USB_MAX_ISO_PACKETS
The following table shows the flags used in the Driver programming interface:
USB_REQUEST_IN_MASK
USB_ISO_TRANSFER_ASAP
M
MOTUSB Defined Constants.
Code
Code
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Table 3.2 Driver Limits.
Table 3.3 Driver flags.
Programming Interface.
0x7F
0x7F
0x7F
0x7FFFFFFF
0xFF
0x80
0x04
Value
Value
motioctl.h
Mask for vendor or class request with IN data
stage. This mask should be applied
to
structure
Bit mask for
structure. The flag means isochronous transfer
should be started from the first available frame.
The isochronous transfer requests can be put in
the queue for further I/O processing.
Type
Maximum configurations per Device
Maximum interfaces per configuration
Maximum endpoints per interface
Maximum transfer size
Maximum isochronous packet per transfer
field of Class or Vendor requests input
Flags
header file.
Description
member of
Description
USB_ISO_XFER
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