21

Get_Protocol

Returns:

Default:

Addressed:

Configured:

Notes:

A1 03 00 00 00 00 01 00

xx

xx = 00 = Boot protocol

xx = 01 = Report protocol

Accept

Accept

Accept

Defaults to Report protocol after USB Reset. Use Set_Protocol to change.

Get_Desc_Device

Returns:

Example:

Example for Multi-button:

Default:

Addressed:

Configured:

80 06 00 01 00 00 nn 00

80 06 00 01 00 00 12 00

12 01 00 02 00 00 00 08

vv vv pp pp dd dd mm PP

ss 01

vv vv = vendor id

pp pp = product id (vendor specified)

dd dd = device id (vendor specified) (bcd rev_id byte)

mm = iManufacturer

PP = iProduct

ss = iSerialNumber (00 – no string)

12 01 00 02 00 00 00 08

6D 04 pp pp 00 54 01 02

00 01

//

Device Descriptor

| 12

//

bLength (18 decimal)

| 01

//

bDescriptorType

| 00

//

bcdUSB (Release ##.## = 02.00)

| 02

| 00

//

bDeviceClass

| 00

//

bDeviceSubClass

| 00

//

bDeviceProtocol

| 08

//

bMaxPacketSize0

| 2F

//

idVendor

| 19

//

idVendor

| 16

//

idProduct // based on #buttons & wheel

| 09

//

idProduct

| 00

//

bcdDevice (Dev Rel 54.00)

| 54

| 00

//

iManufacturer

| 02

//

iProduct

| 00

//

iSerialNumber

| 01

//

bNumConfigurations

Accept

Accept

Accept

Get_Desc_String will return “stall” if Manufacturer string is queried when iManufacturer = 0x00.

All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.

PixArt Imaging Inc.

PixArt Imaging Inc.

ADNS-2710 Single Chip USB Optical Mouse Sensor