Barco iCon H400 User guide

RS 232 Serial C ommunications for iCon

H250/400/500

Reference Guide

Basic

R59770077/01

23/07/2007

Product revision

Softw a re version : V 1.00

Barco nv Presentations

Noordlaan 5, 8520 Kuurne

Phone: +32 56.36.82.11

Fax: +32 56.35.86.51

E-mail: [email protected]

Visit us at the web: www.barco.com

Printed in Belgium

Changes

Barco provides this manual ’as is’ without warranty of any kind, either expressed or implied, including but not limited to the implied war-

ranties or m erchantability and ﬁtness for a particular purpose. Barco m ay make improvements and/or changes to the pr oduct(s) and/or the

program(s) desc ribed in this publication at any time without n otice.

This publication c ould c ontain technical inaccuracies or typographical errors. Changes are periodically made to the information in this

publication; these changes are incorporated in new editions of this publication.

wise be recorded, transmitted or

stored in a retrieval system without the prior written consent of Barco.

EN55022/CISPR22 Class A ITE (Information Technology Equipment)

Class A ITE is a category o f all other ITE which satisﬁes the class A ITE limits b ut not the class B IT E limits. Such equipment should not

be restricted in its sale but the following warning shall be included in the ins tructions for u se:

Warning : This is a class A product. In a domestic environment this product may cause radio interference in which case the us er may be

required to take adequate measures.

Federal Communications Commis sion (FCC Statement)

This equipment h as been tested and found to comply with the limits for a class A digital device, pursuant to Par t 15 of the FCC rules.

These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a com m ercial

environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in a ccordance with

the instruction manual, may c ause harmful interference to radio communications. Oper ation of this equipment in a residential area may

cause harmful interference, in which case the user will be responsible for correcting any interference at his own expense

Guaran tee and Compensation

Barco provides a guarantee relating to perfect manufacturing as pa

rt of the legally stipulated terms of guarantee. On receipt, the purchaser

must immediately inspect all delivered goods for damage incurred during transport, a s well as for material and manufacturing faults Barco

must be informed im mediately in writing of any complaints.

The period of guarantee begins on the date of transfer of risks, in the case of special systems and software on the date of commissioning,

at latest 30 days after the transfer of risks. In the event of justiﬁed notice of complaint, Barco can repair the fault or provide a replacement

at its own discretion within an appropriate period. If this measure proves to be impossible or uns uccessful, the purchaser ca n demand a

reduction in the purchase pr ice or cancellation of the c ontract. All other claims, in particular those relating to compensa tion for direct or

indirect damage, and also damage attributed to the operation of s oftware as well as to other services provided by Barco, being a component

of the system or independent service, will be deemed invalid provided the dam age is n ot pro ven to be attributed to the absence of properties

guaranteed in writing or due to the intent or gross negligence or part of Barco.

If the purchaser or a third party carries out m odiﬁcations or repairs on goods delivered by Barco, or if the goods are ha ndled incorrectly,

in particular if the systems are commissioned operated incorrectly or if, after the transfer of risks, the goo ds are subject to inﬂuenc es not

agreed upon in the contract, all guarantee claims of the purchaser will be r endered invalid. Not included in the guarantee coverage are

system failures which are a ttributed to programs or special electronic c ircuitry provided by the purchaser, e.g. interfaces. Normal wear as

well as normal maintenance are not subject to the guarantee provided by Barco either.

The environmental conditions as well as the servicing and maintenance regulations speciﬁed in the this m anual must be complied with by

the customer.

Trademarks

Brand and product name s mentioned in t

his manual may be trademarks, registered tradem arks or copyrights of their respective holders.

All brand and product names mentioned in this manual serve as comments or examples and are not to be understood as advertising for

the products or their m anufacturers.

1. Serial communication basics

1. SERIAL COMMUNICATION BASICS

Overview

• Serial c omm unication Protocol

• Data words

• Communication se ttings

• Hardware

• Serial comms comm ands

•Syntax

1.1 Serial communication Protocol

Communication protocol summary

Like every commun ication method the serial communication uses a particular protocol ( ANS I) which must be respected in orde r to

allow communication to take place, following table gives a sum mary of the predeﬁned comm unication terms.

Start byte \xfe

Projector address

Command b yte(s)

Data bytes

1

Checksum byte

Stop byte \xff

ANSI

American National standards Institute

Start byte

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

take place

Projector address

The “projector address” deﬁnes the ad dress o f th e computer the projector wants to talk to (in case of transmission) or the address

of the projector that answer s (in case of reception).

The maximu m number of p rojectors that can be addressed by one co mpu ter is 256.

Command byte(s)

There is at least on e command byte to deﬁne the action to be performed. C omm ands that are not o ften used or c omplex commands

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

in the an swer-data-transfer of the projector.

Data bytes (optional)

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

Data which contains more than one byte is called a word and can also b e signed or unsigned.

Some commands do not require a data ﬁeld (s)

1. optional

R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400/500 23/07/2007 1

1. Serial communication basics

Checksum byte

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

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 c ase of reception) that the data trans fer is c omplete

and that the interpretation of the c omm and and data by tes can start.

Acknowledge (ACK)

If the c omm unication link and if the sent commands can be interpreted by the projector an “ACK” com mand is sent back. In case the

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

End of process (EOP)

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

for m ore information about this, see the EOP command.

Note

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

1. Transm is sio n

- 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

1.2 Data words

msb

The mos t signiﬁcant byte, is the byte with the greatest weight (value).

lsb

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

Description

A word contains more than one b yte, the ﬁrst byte is the msb, the last byte is t he lsb.

Examples of data words

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

the runtime in seconds.

How to calculate the v alue of a w ord ?

Lets take the exam ple of a double word returned by the “ projector runtim e, read” commando.

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

value = Data[0]*256

3

+ Data[1]*256

2

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

2

R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400/500 23/07/2007

1. Serial communication basics

1.3 Communication settings

Baud r ate

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

Consult the Owner’s manual 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 n o parity bit used to perform error c hecking.

Stop Bits

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

1.4 Hardware

Overview

• Female D9–pin connector labelled “RS232 IN” used to connect the pr ojector with the com puter.

Pin ou t of the D9 connector:

Pin Name Full Name

1

CD Carrier Detect

2 RxD Rece ived Data

3 TxD Transmitted Data

4 DTR Data Terminal R eady

5

GND Signal G round

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 )

R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400/500 23/07/2007

3

1. Serial communication basics

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: IBM PC or compatible → projector

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 co rresponding to the different s tates:

State Voltage

Off = 1 -9V

On = 0 +9V

4 R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400/500 23/07/2007

1. Serial communication basics

1.5 Serial comms commands

Basic Commands

Basic commands are the c omm ands used to c ontrol the basic parameters of the projector.

The Contrast increment command is a basic c omm and.

Advanced Commands

Advanced c omm ands are used to control advanced parameters of the pro jector.

The Piploopfocusis an advanced parameter

This manual is divided in two parts, the ﬁrst part contains the basic (elementary) co mm and s w h ile the se cond

part gives an overview of the a vailable adv anced comman ds.

Some comm ands are illustrated w ith an example.

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 used are

For text ﬁelds: "AB CDEFG HIJKLMNO PQR STUVW X YZ012345678 9+-/&@#_:;abcdefghijklmnopqrstuvwxyz”

For ﬁlenames: "?*ABCDEFGHIJKL MNOP QR STUVW XYZ abcdefghijklmnopqrstuvwxyz0123456789_ -"

Negative values /numbers

The 2s complemen t number sy stem is u sed to express negative num bers

Pascal- language string

A Pascal-language s tring consists of one or more characters. T he ﬁrst character of the string co ntains 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 mo

re characters. The last character of the string is a lways the NULL character \x00. There-

fore, the length of a C-language s tring is de termined by the position of the NULL character.

2. ddd=0...255

3. hh=00...ff

R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400/500 23/07/2007 5

1. Serial communication basics

Cstring’Helloworld”

’h’

\x68

’e’

\x65

’l’

\x6c

’l’

\x6c

’o’

\x6f

”

\x20

’w’

\x77

’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" ?>

</FileSelection>

</ImageDefinition>

</ImageFile>

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

pleteness rules).

Desktop error strings

The operating s ystem (Windows

TM

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

lower right corner o f the desktop.

The acknowledge bytes are followed by a character string r epresenting the actual messag e 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 als o ended with \x00.

6 R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400/500 23/07/2007

2. Basic commands

2. BASIC COMMANDS

Overview

• Identiﬁcation c omm ands

• RCU command s

•ProjectorON/OFF,Write

• Projector’s Status, Read

• Lens Commands

• Picture setting

•MenuExit

• 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 comm ands

• Image ﬁles c omm ands

• Standby Timer, Write

• Standby Timer, Read

• Filmmode detection, Increment/Decrement

• Filmmode detection, Write

• Filmmode detection, Read

2.1 Identiﬁcation commands

2.1.1 Device type, Read

Description

Reads the device (projector) type, the returned string is a Pascal-language string.

Command

Command [0]

\x6b

Returned Data

Data[0] = byLength = 1 byte describing the length of the string.

Data[1] = s trDeviceType = pascal-language string describing the device type.

An example of device type is “IQ”

2.1.2 Projector ’s Software version, Read

Description

Reads the P rojector ’s S oftware version, the returned string is a Pas cal-language s tring.

R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400/500 23/07/2007

7

2. Basic commands

Command

Command [0]

\x60

Returned Data

Data[0] = by Length = 1 byte describing the length of the software version string.

Data[1] = strSoftwareVersion

2.1.3 Projector ’s Serial number, Read

Description

Reads the P rojector’s serial number, the r eturned string is a Pascal-language string.

Command

Command [0]

\x61

Returned Data

Data[0] = \x07 = length of the serial number = 7 c haracters

Data[1] = string of length 7

2.1.4 Projector’s runtime, Read

Description

Reads the Projector’s runtime in seconds

Command

Command [0]

\x62

Returned Data

unsigned double word (4 bytes).

Data[0] = msb

Data[1]

Data[2]

Data[3] = lsb

2.1.5 Projector address, Write

Description

Writes a new addr ess to the projector

Command

Command [0]

\x6D

Data

Data[0] = unsigned byte

Example

Writes a new address to the projector, being “1”

Transmit

Start

\xfe

Projector address

\x01

Command[0] \x6d

Data[0]

\x01

8 R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400/500 23/07/2007

2. Basic commands

Transmit

Che cksum

\x6f

Stop

\xff

Receive (acknowledge)

Start

\xfe

Projector address

\x01

Command[0]

\x00

Command[1]

\x06

Che cksum

\x07

Stop

\xff

2.1.6 Projector la nguage, Read

Description

Reads the active language for the projector

Command

Command [0]

\x71

Returned Data

Data[0] = unsigned byte

byte value language

0 English

1 Français

2 Deutsch

3 Español

4 Japanese

5

Chinese

Example

reads the ac tive language, being “Français”

Transmit

Start

\xfe

Projector address

\x01

Command[0]

\x71

Che cksum

\x72

Stop

\xff

Receive (acknowledge)

Start

\xfe

Projector address

\x01

Command[0]

\x00

Command[1]

\x06

Che cksum

\x07

Stop

\xff

Receive (answer)

Start

\xfe

R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400/500 23/07/2007 9

2. Basic commands

Receive (answer)

Projector address

\x01

Command[0]

\x71

Data[0]

\x01

Che cksum

\x73

Stop

\xff

2.1.7 Projector language, Write

Description

Sets a new language for the projector

Command

Command [0]

\x70

Data

Data[0] = unsigned byte

byte value language

0 English

1 Français

2 Deutsch

3 Español

4 Japanese

5

Chinese

Example

Sets the language to “Français”

Transmit

Start

\xfe

Projector address

\x01

Command[0]

\x70

Data[0]

\x01

Che cksum

\x72

Stop

\xff

Receive (acknowledge)

Start

\xfe

Projector address

\x01

Command[0]

\x00

Command[1]

\x06

Che cksum

\x07

Stop

\xff

2.1.8 Baudrate, Write

Description

Sets the baudrate

10

R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400/500 23/07/2007

2. Basic commands

Command

Command [0]

\x75

Data

string = C-language string

possible string values

9600

19200

38400

57600

115200

2.2 RCU commands

Description

Simulation of the RCU c odes sent by the RCU remote control.

"RCU command s", page 67

Command

Command [0]

\x30

Data

Data[0] = byIRcode = 1 byte representing the RC5 co de of the function to be executed.

Wrepeat (optional) = word (2 bytes) representing the dur ation.

2.3 Projector ON/OFF, Write

Description

Switching ON/OFF the projector

Command

Switching the projector ON

Command [0]

\x65

Switching the projector OFF

Command [0]

\x66

Example

Switches the projector ON

Transmit

Start

\xfe

Projector address

\x01

Command[0]

\x65

Che cksum

\x66

Stop

\xff

Receive (acknowledge)

Start

\xfe

R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400/500 23/07/2007 11

2. Basic commands

Receive (acknowledge)

Projector address

\x01

Command[0]

\x00

Command[1]

\x06

Che cksum

\x07

Stop

\xff

2.4 Projector’s Status, Read

Description

Reads the Projector’s Status

Command

Command [0]

\x67

Returned Data

Data [0] = unsigned by te

bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0

Not used Not used Cool down cycle

active = 0

inactive = 1

Not used Not used Not used Textbox

ON = 1

OFF = 0

Projector

ON = 1

OFF = 0

bit5 gives an indication on whether the projector ca n be (re)started or not (ho t restrike), if the cool down cycle

is active (bit5 = 0) the projector can not be restarted until the cool down cycle has been completed.

Example

Read the status being : \x23:

• projector is ON

• textbox is on

• cool down cy cle is inactive

Transmit

Start

\xfe

Projector address

\x01

Command[0]

\x67

Che cksum

\x68

Stop

\xff

Receive (acknowledge)

Start

\xfe

Projector address

\x01

Command[0]

\x00

Command[1]

\x06

Che cksum

\x07

Stop

\xff

Receive (Awnser)

Start

\xfe

12 R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400/500 23/07/2007

2. Basic commands

Receive (Awnser)

Projector address

\x01

Command[0]

\x67

Data[0]

\x23

Che cksum

\x8b

Stop

\xff

2.5 Lens Commands

2.5.1 Lens Zoom

Description

To Zoom the image in or out depending on the data sent.

Command

Command [0]

\xf4

Command [1]

\x82

Data

Data[0] = byDirection = 1 byte, gives the Zoom direction (in/out):

0 = out ; 1 = in

2.5.2 Lens Focus

Description

To Focus the image.

Command

Command [0]

\xf4

Command [1]

\x83

Data

Data[0]=byDirection=1byte: 0=“-”;1=“+”

2.5.3 Lens vertical shift

Description

Shifts the lens down or up depen ding on the data sent.

Command

Command [0]

\xf4

Command [1]

\x81

Data

Data[0] = byDirection = 1 byte, give s the shif

t direction:

0 = down ; 1 = up

2.5.4 Lens horizontal shift

Description

Shifts the lens left or right depending on the data sent.

R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400/500 23/07/2007 13

2. Basic commands

Command

Command [0]

\xf4

Command [1]

\x80

Data

Data[0] = byDirection = 1 byte, give s the shift direction:

0 = Left ; 1 = Right

2.6 P icture setting

Overview

• Contrast, Increment

• Contrast, decrement

• Cont ra st , writ e

• Contrast, Read

• Minimum C ontrast, Read

• Maximum Contrast, Read

• Brightness, increment

• Brightness decrement

• Brightness, Write

• Brightness, Read

• Minimum B rightness, Read

• Maximum Brightness, Read

• Saturation increment

• Saturation, decrement

• Write Sat u ra ti on

• Saturation, Read

• Minimum S aturation, Read

• Maximum Saturation, Read

• Tint, increment

• Tint, decrement

• Tint, Write

• Tint, Read

• Minimum Tint, Re ad

• Maximum Tint, Read

• Gamma, increment

• Gamma, decrement

• Gamma, Write

• Gamma, Read

• Minimum Gamma, Read

• Maximum G amm a, Read

• Phase, increment

• Phase, decrement

•Phase,Write

• Phase, R ead

• Minimum Phase, Re ad

• Maximum P hase, Read

2.6.1 Contrast, Increment

Description

Increments the contrast by one.

14

R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400/500 23/07/2007

2. Basic commands

Command

Command [0]

\x22

Command [1]

\x01

Example

Increment con trast of a projector with address \x01 by one .

Transmit

Start

\xfe

Projector address

\x01

Command[0]

\x22

Command[1]

\x01

Che cksum

\x24

Stop

\xff

2.6.2 Contrast, decrement

Description

Decrements the contrast by one.

Command

Command [0]

\x23

Command [1]

\x01

2.6.3 Contrast, write

Description

Writes a new contrast value to the projector

Command

Command [0]

\x20

Command [1]

\x01

Data

Data [0] = contrast value

Data[0] = unsigned byte

Example

Writes a new contrast value of \x20 to the projector

Transmit

Start

\xfe

Projector address

\x01

Command[0]

\x20

Command[1]

\x01

Data

\x20

Che cksum

\x42

Stop

\xff

R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400/500 23/07/2007 15

2. Basic commands

Receive (acknowledge)

Start

\xfe

Projector address

\x01

Command[0]

\x00

Command[1]

\x06

Che cksum

\x07

Stop

\xff

2.6.4 Contrast, Read

Description

Reads the actual contrast value of the projector

Command

Command [0]

\x21

Command [1]

\x01

Returned Data

Data [0] = contrast value

Example

Reads the actual contrast v alue of the projector, the aw nser being \x20

Transmit

Start

\xfe

Projector address

\x01

Command[0]

\x21

Command[1]

\x01

Che cksum

\x23

Stop

\xff

Receive (acknowledge)

Start

\xfe

Projector address

\x01

Command[0]

\x00

Command[1]

\x06

Che cksum

\x07

Stop

\xff

Receive (Answer)

Start

\xfe

Projector address

\x01

Command[0]

\x21

Command[1]

\x01

Data [0]

\x20

Che cksum

\x43

Stop

\xff

16 R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400/500 23/07/2007

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