InFocus X1 Reference manual

Batmouse III -- IR-protocol

Introduction..........................................................................................................................................1

General data..........................................................................................................................................1

Packets..................................................................................................................................................2

KEYCODES for BatmouseIII..............................................................................................................3

Introduction

This document describes the IR-protocol used for communication between

BatmouseIII remote control and any ASK projector.

The BatmouseIII IR-protocol document is intended for internal use at ASK.

General data

( As BatmouseII )

Transfer rate: ( 2400Baud )

Bits: 8

Stop bits: 1

Parity: Even

Number of bytes in a packet

Trackball: 3

Keyboard: 4

Time between packets

Trackball: 64ms

Keyboard: 130ms

Carrier freq: 38KHz

Packets

Trackball packet: Source = 5 Source address: BatmouseIII

Target = 2 Destination address: Projector

Track Ball Byte0 = 0xAA

Track Ball Normal

Byte0 1 0 S2 S1 S0 T2 T1 T0 Sx - Source Addr, Tx - Target Addr

Byte1 0 X6 X5 X4 X3 X2 X1 X0 X Movement, -64 to +63

Byte2 1 Y6 Y5 Y4 Y3 Y2 Y1 Y0 Y Movement, -64 to +63

Track Ball Extended

Byte0 1 0 S2 S1 S0 T2 T1 T0 Sx - Source Addr,

Tx - Target Addr

Byte1 0 X6 X5 X4 X3 X2 X1 X0 X Movement, -64 to +63

Byte2 1 Y6 Y5 Y4 Y3 Y2 Y1 Y0 Y Movement, -64 to +63

Byte3 0 D6 D5 D4 D3 D2 D1 D0 D6 - D3 Sense Pattern,

D2 - D0 Drive Line number

* Byte4 1 C6 C5 C4 C3 C2 C1 C0 Checksum of Byte 0 - 3,

bits 6 - 0

NOTE: Make sure Byte1 & Byte2 make up to even parity!

Keyboard packet: Source = 5 Source address: BatmouseIII

Target = 2 Destination address: Projector

Keyboard Packet Byte0 = 0xEA

Keyboard Packet

Byte0 1 1 S2 S1 S0 T2 T1 T0 Sx - Source Addr, Tx - Target Addr

Byte1 0 0 0 0 0 D9 D8 D7 D9 0 = Key Released,

1=KeyPressed

D8KeyPressPacketToggle-bit

D7Unused

Byte2 1 D6 D5 D4 D3 D2 D1 D0 D6 - D3 Sense Pattern,

D2-D0DriveLinenumber

Byte3 1 C6 C5 C4 C3 C2 C1 C0 Checksum of Byte 0 - 2, bits 6 - 0

Calculate the Check Sum as follows:

(0x7F & Byte0) + (0x7F & Byte1) + ... , then 2's comp.

A key package might have three states: Key released, key pressed or key held

pressed. D8 and D9 tell the state of the keypress. D8 toggles between consecutive

packets when key is held down.

KEYCODES for BatmouseIII

KEYPRESS

0x2c, 0:left drag

0x90, 1: left mouse click

0x00, 2: Do nothing

0xC1, 3: preview = prog

0x8C, 4: focus+ = contrast+

0x8D, 5: focus- = contrast-

0x8B, 6: F1 = reset

0xC4, 7: mute

0x00, 8: drag right

0xA0, 9: right mouse click

0xC0, 10: menu

0x8e, 11: source = source2

0xA4, 12: volume+

0xA5, 13: volume-

0xC5, 14: F2 = freeze

0x8f, 15: forward = pan&zoom

0x00, 16: function NO KEY

0x00, 17: laser

0xC3, 18: power

0x92, 19: setup = source1

0x94, 20: zoom+ = bright+

0x95, 21: zoom- = bright-

0x89, 22: F3 = mask

0x91 23: backward = scale

0x10, Left+trackball (DRAG)

0x20, Right+trackball(DRAG)

KEYUP

0x81, 0: drag left

0x80, 1: left mouse click

0x00, 2: Do nothing

0x81, 3: preview = prog

0x84, 4: focus+ = contrast+

0x85, 5: focus- = contrast-

0x83, 6: F1 = reset

0x84, 7: mute

0x00, 8: drag right

0x80, 9: right mouse click

0x80, 10: menu

0x82, 11: source = source2

0x84, 12: volume+

0x85, 13: volume-

0x85, 14: F2 = freeze

0x83, 15: forward = pan

0x00, 16: function NO KEY

0x00, 17: laser

0x83, 18: power

0x82, 19: setup = source1

0x84, 20: zoom+ = bright+

0x85, 21: zoom- = bright-

0x81, 22: F3 = mask

0x81 23: backward = scale

(Gray codes not used)

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