Barco iCon H600 User guide

RS232 Serial Communications for iCon

User Manual

R5976823/02

06/02/2006

Product revision

Software version: 1.20

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Table of contents

TABLE OF CONTENTS

1. Serialcommunicationbasics .................................................................................... 3

1.1 Communication Protocol ............................................................................................................. 4

1.2 Data words............................................................................................................................ 6

1.3 Communication settings.............................................................................................................. 7

1.4 Hardware ............................................................................................................................. 8

1.5 Serial comms commands ...........................................................................................................10

1.6 Syntax................................................................................................................................ 11

2. Basiccommands ..................................................................................................13

2.1 Identification commands . ...........................................................................................................14

2.1.1 Device type, Read ............................................................................................................15

2.1.2 Projector’s Software version, Read ..........................................................................................16

2.1.3 Projector’s Serial number, Read..............................................................................................17

2.1.4 Projector’s runtime, Read..................................................................................................... 18

2.1.5 Projector address, Write......................................................................................................19

2.1.6 Projector language, Read ....................................................................................................20

2.1.7 Projector language, Write.....................................................................................................21

2.1.8 Baudrate, Write ...............................................................................................................22

2.2 RCU commands . ....................................................................................................................23

2.3 Projector ON/OFF, Write ............................................................................................................24

2.4 Projector’s Status, Read ............................................................................................................25

2.5 Lens Commands . ...................................................................................................................27

2.5.1 Lens Zoom . ...................................................................................................................28

2.5.2 Lens Focus. ...................................................................................................................29

2.5.3 Lens vertical shift .. ...........................................................................................................30

2.5.4 Lens horizontal shift...........................................................................................................31

2.6 Picture setting .......................................................................................................................32

2.6.1 Contrast, Increment...........................................................................................................33

2.6.2 Contrast, decrement ..........................................................................................................34

2.6.3 Contrast, write.................................................................................................................35

2.6.4 Contrast, Read................................................................................................................36

2.6.5 Minimum Contrast, Read .....................................................................................................37

2.6.6 Maximum Contrast, Read ....................................................................................................38

2.6.7 Brightness, increment.........................................................................................................39

2.6.8 Brightness decrement ........................................................................................................40

2.6.9 Brightness, Write..............................................................................................................41

2.6.10 Brightness, Read..............................................................................................................42

2.6.11 Minimum Brightness, Read...................................................................................................43

2.6.12 Maximum Brightness, Read..................................................................................................44

2.6.13 Saturation increment..........................................................................................................45

2.6.14 Saturation, decrement ........................................................................................................46

2.6.15 Write Saturation...............................................................................................................47

2.6.16 Saturation, Read..............................................................................................................48

2.6.17 Minimum Saturation, Read ...................................................................................................49

2.6.18 Maximum Saturation, Read...................................................................................................50

2.6.19 Tint, increment ................................................................................................................ 51

2.6.20 Tint, decrement ...............................................................................................................52

2.6.21 Tint, Write .....................................................................................................................53

2.6.22 Tint, Read .....................................................................................................................54

2.6.23 Minimum Tint, Read ..........................................................................................................55

2.6.24 Maximum Tint, Read..........................................................................................................56

2.6.25 Gamma, increment............................................................................................................57

2.6.26 Gamma, decrement...........................................................................................................58

2.6.27 Gamma, Write.................................................................................................................59

2.6.28 Gamma, Read ................................................................................................................60

2.6.29 Minimum Gamma, Read......................................................................................................61

2.6.30 Maximum Gamma, Read.....................................................................................................62

2.6.31 Phase, increment .............................................................................................................63

2.6.32 Phase, decrement ............................................................................................................64

2.6.33 Phase, Write ..................................................................................................................65

2.6.34 Phase, Read ..................................................................................................................66

2.6.35 Minimum Phase, Read........................................................................................................67

2.6.36 Maximum Phase, Read.......................................................................................................68

2.7 Menu Exit ............................................................................................................................69

2.8 Background, Write ...................................................................................................................70

2.9 Background, Read...................................................................................................................71

2.10 Source selection.....................................................................................................................72

2.11 Scan inputs ..........................................................................................................................75

2.12 Scanned inputs, read. ...............................................................................................................76

2.13 Orientation, Write....................................................................................................................77

2.14 Orientation, Read....................................................................................................................78

2.15 Freeze, Write ........................................................................................................................79

R5976823 RS232 SERIAL COMMUNICATIONS FOR ICON 06/02/2006

1

Table of contents

2.16 Freeze, Read ........................................................................................................................80

2.17 Aspect ratio, Write...................................................................................................................81

2.18 Aspect Ratio, Read..................................................................................................................82

2.19 Lamp commands ....................................................................................................................83

2.19.1 Lamp Mode, Write ............................................................................................................84

2.19.2 Lamp Mode, Read ............................................................................................................85

2.20 Image files commands . . . ...........................................................................................................86

2.20.1 File, read ......................................................................................................................87

2.20.2 File List, read..................................................................................................................88

2.20.3 Active windows files list, read ................................................................................................89

2.20.4 Visible windows files list, read ................................................................................................90

2.20.5 List loadable files, Read . . ....................................................................................................91

2.21 Standby Timer, Write ................................................................................................................92

2.22 Standby Timer, Read . ...............................................................................................................93

2.23 Filmmode detection, Increment/Decrement ........................................................................................95

2.24 Filmmode detection, Write ..........................................................................................................96

2.25 Filmmode detection, Read ..........................................................................................................97

3. Advanced Commands............................................................................................99

3.1 PiP commands.. . ...................................................................................................................100

3.1.1 PiP free window size, Write.. . ...............................................................................................101

3.1.2 PiP free window size, Read . . ...............................................................................................102

3.1.3 PiP Window free size, Read Min/Max. . . ....................................................................................103

3.1.4 PiP Loop Focus..............................................................................................................104

3.1.5 PiP Focus, Write.............................................................................................................105

3.1.6 PiP remove window..........................................................................................................106

3.1.7 Addable sources List, read . . ................................................................................................107

3.1.8 PiP add window ..............................................................................................................108

3.1.9 Active sources List, read.....................................................................................................109

3.1.10 Last added window, read . ...................................................................................................110

3.1.11 List all available sources, read ..............................................................................................111

3.1.12 PiP switch source............................................................................................................112

3.1.13 Layouts list, read.............................................................................................................113

3.1.14 Layout current, read .........................................................................................................114

3.1.15 Select PiP layout.............................................................................................................115

3.1.16 Save PiP layout ..............................................................................................................116

3.1.17 PiP layout Save as ..........................................................................................................117

3.1.18 Rename PiP layout ..........................................................................................................118

3.1.19 Remove PiP layout ..........................................................................................................119

4. Additional(Duplicate)Commands........................................................................... 121

4.1 Contrast, Increment ................................................................................................................122

4.2 Contrast, Decrement ...............................................................................................................123

4.3 Brightness, Increment..............................................................................................................124

4.4 Brightness, Decrement.............................................................................................................125

4.5 Saturation, Increment ..............................................................................................................126

4.6 Saturation, Decrement .............................................................................................................127

4.7 Tint, Increment......................................................................................................................128

4.8 Tint, Decrement.....................................................................................................................129

4.9 Sharpness, Increment ..............................................................................................................130

4.10 Sharpness, Decrement. . . ..........................................................................................................131

4.11 Phase, Increment...................................................................................................................132

4.12 Phase, Decrement..................................................................................................................133

5. RCUcommands ................................................................................................. 135

5.1 Overview............................................................................................................................136

Index.................................................................................................................... 139

2 R5976823 RS232 SERIAL COMMUNICATIONS FOR ICON 06/02/2006

1. Serial communication basics

1. SERIAL COMMUNICATION BASICS

Overview

• Communication Protocol

• Data words

• Communication settings

• Hardware

• Serial comms commands

• Syntax

R5976823 RS232 SERIAL COMMUNICATIONS FOR ICON 06/02/2006

3

1. Serial communication basics

1.1 Communication Protocol

Communication protocol summary

Like every communication method the serial communication uses a particular protocol (ANSI) which must be respected in order to

allow communication to take place, following table gives a summary of the predefined communication terms.

Start byte \xfe

Projector address

Command byte(s)

Data bytes

1

Checksum byte

Stop byte \xff

ANSI

American National standards Institute

Start b yte

The “Start byte” informs the projector (in case of transmission) or the computer (in case of reception) that a new data transfer will

take place

Projector address

The “projector address” defines the address of the computer the projector wants to talk to (in case of transmission) or the address

of the projector that answers (in case of

reception).

The maximum number of projectors th

at can be ad dressed by one computer is 256.

Comman d byte(s)

There is at least one command byte to define the action to be performed. Commands that are not often used or complex commands

can take more than one byte. All command bytes that are sent by the computer to get information out of the projector are repeated

in the answer-data-transf

er of the projector.

Data bytes (optional)

Whether the command bytes are followed by one or more data bytes depends on the contents of the command bytes.

Data which contains more than one byte is called a word and can also be signed or unsigned.see "Data words", page 6

Some com mands do not require a data field(s)

Checksum byte

The “Checksum byte” is used to detect errors during transmission or reception

Checksum byte = (projectoraddress + command bytes + Data bytes) Modulo \x100

Stop byte

The “Stop byte” informs

the projector (in case of transmission) or the computer (in case of reception) that the data transfer is complete

and that the interpretation of the command and data bytes can start.

Acknowledge (ACK)

If the communication link and if the sent commands can be interpreted by the projector an “ACK” command is sent back. In case the

commands cannot be interpreted a “NACK” command is sent back.

1. optional

4 R5976823 RS232 SERIAL COMMUNICATIONS FOR ICON 06/02/2006

1. Serial communication basics

End of process (EOP)

When the end of process command is activated, an EOP is send after the ACK command to signify the completion of the process.

for more in fo rmat ion about this, see the EOP command.

Note

Any command byte, data byte or checksum byte that equals \x80, \xfe, \xff hastobeconverted!

1. Transmission

- instead of \x80, send \x80 followed by \x00

- instead of \xfe, send \x80 followed by \x7e

- instead of \xff, send \x80 followed by \x7f

2. Reception

- replace \x80 followed by \x00 with \x80

- replace \x80 followed by \x7e with \xfe

- replace \x80 followed by \x7f with \xff

R5976823 RS232 SERIAL COMMUNICATIONS FOR ICON 06/02/2006

5

1. Serial communication basics

1.2 Data words

msb

The most s ignificant byte, is the byte with the greatest weight (value).

lsb

The less significant byte, is the byte with the smallest weight (value).

Description

A word contains more than one byte, the first byte is the msb, the last byte is the lsb.

Examples of data words

• The projector runtime parameter is described using an unsigned double word where 2 bytes (msb ...lsb) represent the value of

the runtime in seconds.

How to calculate the value of a word ?

Lets take the example of a double word returned by the “project or runtime, read” commando.

returned data = Data[0]....Data[3]

value = Data[0]*256

3

+ Data[1]*256

2

+ Data[2]*256 + Data[3].

6

R5976823 RS232 SERIAL COMMUNICATIONS FOR ICON 06/02/2006

1. Serial communication basics

1.3 Communication settings

Baud rate

Defines the speed of the data transfer. The baud rate can be set using the menu structure.

Consult the Owner’s m anual of the projector on how to change the baud rate setting.

Data Bits

Eight data bits are used for each character of the data transfer.

Parity

There is no parity bit used to perform error checking.

Stop B its

One stop bit is used to define the end of a character.

R5976823 RS232 SERIAL COMMUNICATIONS FOR ICON 06/02/2006 7

1. Serial communication basics

1.4 Hardware

Overview

• Female D9–pin connector labelled “RS232 IN” used to connect the projector with the computer.

Pin out of the D9 connector:

Pin Name Full Name

1

CD Carrier Detect

2 RxD Received Data

3 TxD Transmitted Data

4 DTR Data Terminal Ready

5

GND Signal Ground

6

DSR Data Set Ready

7

RTS Request To Send

8

CTS Clear To Send

9 RI Ring Indicator

• Standard serial Cable

- order number R9827560 (cable length = 15m )

- order number R9827570 (cable length = 30m )

1

CD

2

RxD

3

TxD

4

DTR

5

GND

6

DSR

7

RTS

8

CTS

9

RI

1

CD

2

RxD

3

TxD

4

DTR

5

GND

6

DSR

7

RTS

8

CTS

9

RI

D9

female

D9

male

Image 1-1

connection: IB

M PC or compatible → projector

8 R5976823 RS232 SERIAL COMMUNICATIONS FOR ICON 06/02/2006

1. Serial communication basics

1

HSKo

2

HSKi

3

TxD-

4

GND

5

RXD-

6

TXD+

7

n.c.

8

RXD+

4

DTR

8

CTS

3

TxD

5

GND

2

RxD

DIN

mini 8

D9

male

Image 1-2

connection: MAC → projector

Signal levels

Following table gives the signal levels corresponding to the different states:

State

Voltage

Off = 1

-9V

On = 0

+9V

R5976823 RS232 SERIAL COMMUNICATIONS FOR ICON 06/02/2006 9

1. Serial communication basics

1.5 Serial comms commands

Basic Commands

Basic commands are the commands used to control the basic parameters of the projector.

The Contrast increment command is a basic command.

Advanced Commands

Advanced commands are used to control advanced parameters of the projector.

The Pip loop focus is an advanced parameter

This manual is divided in two parts, the first part contains th e basic (e lemen tary) c ommands while the second

part gives an o verview of the available advanced comman ds.

Some com mands are illustrated with an example.

10 R5976823 RS232 SERIAL COMMUNICATIONS FOR ICON 06/02/2006

1. Serial communication basics

1.6 Syntax

Characters

In this manual, all characters are expressed using the C- language syntax:

decimal values ddd

2

hexadecimal values \xhh

3

The characters that can be use d are

For text fields: "ABCDEFGHIJKLMNOPQ RST UVW XYZ 01234 56789+-/&@ #_:;ab cdefgh ijklmn opqrstuvw xyz”

For filenames: "? *ABC DEFG HIJK LMNOPQRSTUV

WXYZabcdefghijklmnop qrstuvw xyz0123456789_ -"

Negati ve values /n umbers

The 2s complement number system is use

d to express negative numbers

Pascal- language string

A Pascal-language string consists of one or more characters. The first character of the string contains the length of the string.

Therefore, a Pascal-language string is limited to 255 characters.

Pascal string ’Hello world”

length

\x0b

’h’

\x68

’e’

\x65

’l’

\x6c

’l’

\x6c

’o’

\x6f

”

\x20

’w’

\x77

’o’

\x6f

’r’

\x72

’l’

\x6c

’d’

\x64

C-language string

A C-language string consists of one or more characters. The last character of the string is always the NULL character \x00.There-

fore, the length of a C-language string is determined by the position of the NULL character.

C string ’Hello world”

’h’

\x68

’e’

\x65

’l’

\x6c

’l’

\x6c

’o’

\x6f

”

\x20

’w’

\x77

2. ddd=0...255

3. hh=00...ff

R5976823 RS232 SERIAL COMMUNICATIONS FOR ICON 06/02/2006 11

1. Serial communication basics

’o’

\x6f

’r’

\x72

’l’

\x6c

’d’

\x64

NULL

\x00

Image files

The image files are described as ASCII text in XML format i.e. a header and the different elements and their value placed between

tags :

<?xml version="1.0" encoding="UTF-8" ?>

<LineDuration Discrepancy="427" Unit="ns">20677</Li

neDuration>

</FileSelection>

</ImageDefinition>

</ImageFile>

Since the XML file is parsed internally in the projector it will return a NACK if the data is not valid (does not respect the XML com-

pleteness rules).

Desktop error strings

The operating system (Windows

TM

) uses a yellow notification arrea to display errors and messages. These messages appear in the

lower right corner of the desktop.

The acknowledge bytes are followed by a character string representing the actual message or error displayed.

An example is the error “No image file found” that can be generated when selecting a inactive (not present) source.

The character string sent is the following :

\x2b\x00\xff\xff\xff\xf1\x00\x4e\x00\x6f\x00\x20\x00\x49\x00\x6d\x00\x61\x00\x67\x00\x65\x00\x66\x00\x69\x0

0

Note that each character is followed by the \x00, the string being also ended with \x00.

12

R5976823 RS232 SERIAL COMMUNICATIONS FOR ICON 06/02/2006

2. Basic commands

2. BASIC COMMANDS

Overview

• Identification commands

• RCU commands

• Projector ON/OFF, Write

• Projector’s Status, Read

• Lens Commands

• Picture setting

• Menu Exit

• Background, Write

• Background, Read

• Source selection

• Scan inputs

• Scanned inputs, read

• Orientation, Write

• Orientation, Read

• Freeze, Write

• Freeze, Read

• Aspect ratio, Write

• Aspect Ratio, Read

• Lamp commands

• Image files commands

• Standby Timer, Write

• Standby Timer, Read

• Filmmode detection, Increment/Decrement

• Filmmode detection, Write

• Filmmode detection, Read

R5976823 RS232 SERIAL COMMUNICATIONS FOR ICON 06/02/2006

13

2. Basic commands

2.1 Identification commands

14 R5976823 RS232 SERIAL COMMUNICATIONS FOR ICON 06/02/2006

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