usbms(7M)

NAME | SYNOPSIS | DESCRIPTION | IOCTLS | ATTRIBUTES | SEE ALSO

NAME

usbms- USB mouse STREAMS module

SYNOPSIS

#include <sys/vuid_event.h>

#include <sys/msio.h>

#include <sys/msreg.h>

DESCRIPTION

The usbms STREAMS module processes byte streams generated by a USB mouse. A USB mouse is a member of the Human Interface Device (HID) class, and the usbms module only supports the mouse boot protocol defined in the HID specification. The usbms module must be pushed on top of the HID class driver (see hid(7D)). In the VUID_FIRM_EVENT mode, usbms module translates packets from the USB mouse into Firm events. The Firm event structure is defined in <sys/vuid_event.h>. The STREAMS module state is initially set to raw or VUID_NATIVE mode which performs no message processing. See the HID 1.0 specification for the raw format of the mouse packets. The user will need to change the state to VUID_FIRM_EVENT in order to initiate mouse protocol conversion to Firm events.

IOCTLS

VUIDGFORMAT

This option returns the current state of the STREAMS module. The state of the usbms STREAMS module may be either VUID_NATIVE (no message processing) or VUID_FIRM_EVENT (convert to Firm events).

VUIDSFORMAT

The argument is a pointer to an int. Set the state of the STREAMS module to the int pointed to by the argument.

typedef struct  vuid_addr_probe {
     short base; /* default vuid device addr directed too */
     union {
            short next;   /* next addr for default when VUIDSADDR */
            short current; /* current addr of default when VUIDGADDR */
     } data;
} Vuid_addr_probe;

VUIDSADDR

The argument is a pointer to a Vuid_addr_probe structure. VUIDSADDR sets the virtual input device segment address indicated by base to next.

---

If base does not equal VKEY_FIRST, ENODEV is returned.

---

VUIDGADDR

The argument is a pointer to a Vuid_addr_probe structure. Return the address of the virtual input device segment indicated by base to current.

---

If base does not equal VKEY_FIRST, ENODEV is returned.

---

ioctl() requests for changing and retrieving mouse parameters use the Ms_parms structure:

typedef struct {
      int     jitter_thresh;     
      int     speed_law;  
      int     speed_limit;          
} Ms_parms;

jitter_thresh is the "jitter threshold" of the mouse. Motions fewer than jitter_thresh units along both axes are accumulated and then sent up the stream after 1/12 second.

speed_law indicated whether extremely large motions are to be ignored. If it is 1, a "speed limit" is applied to mouse motions. Motions along either axis of more than speed_limit units are discarded.

MSIOGETPARMS

The argument is a pointer to a Ms_params structure. The usbms module parameters are returned in the structure.

MSIOSETPARMS

The argument is a pointer to a Ms_params structure. The usbms module parameters are set according to the values in the structure.

ATTRIBUTES

See attributes(5) for a description of the following attributes:

ATTRIBUTE TYPE	ATTRIBUTE VALUE
Architecture	PCI-based systems
Availability	SUNWusb, SUNWusbx

SEE ALSO

ioctl(2), hid(7D)

STREAMS Programming Guide

NAME | SYNOPSIS | DESCRIPTION | IOCTLS | ATTRIBUTES | SEE ALSO