Related Manuals for ReQuest Multimedia VideoReQuest
Summary of Contents for ReQuest Multimedia VideoReQuest
- Page 1 Communication Protocol Guide Version 1.1.2 IR, RS-232, and Ethernet Interface Guide...
- Page 2 4. Connect Port 4 of the VideoReQuest to the RS-232 Port of the switch. 5. Set the Video Switch setting on the VideoReQuest to the switch you have by going to Menu Configuration Video Options Video Switch on the VideoReQuest GUI.
- Page 3 3. Connect the RS-232 cable from the DVD changers to Ports 1–3 of the VideoReQuest. 4. Connect Port 4 of the VideoReQuest to the Xantech RS232IR module. 5. Set the Video Switch setting on the VideoReQuest to Xantech IR Blaster by going to Menu Configuration Video Options Video Switch on the VideoReQuest GUI.
- Page 4 Communication Protocol Guide v1.9.0 - 5/18/04 VideoReQuest with Pronto 1. Connect the VideoReQuest Audio and Video to the receiver (Can be Composite, S-Video, or Component). 2. Connect the Audio and Video from DVD Changers 1-3 to Inputs 2-4. 3. Connect the RS-232 cable from the DVD changers to Ports 1–3 of the VideoReQuest.
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Page 5: Table Of Contents
Part 2: Serial/Ethernet Protocol ............3 Rear Serial Port Pinout ..............3 Serial Cable Pinout................3 COM Settings ................... 3 Using Ethernet ................. 3 Communicating with the VideoReQuest ........... 4 Sending Commands ................. 4 Breakdown of Each Command Portion: ...............4 Marker: ......................4 Command Type:....................4 Command Subtype: ....................4... -
Page 6: Revision History
Communication Protocol Guide v1.9.0 - 5/18/04 E VIS I O N I S TORY Revision Number Changes 1.1.2 Initial Version Phone (518) 899-1254 • Fax (518) 899-1251 • www.request.com II -... -
Page 7: Introduction
Ethernet. For Serial and Ethernet, we will also explain how data feedback is formatted. Serial and Ethernet protocol is identical in terms of commands sent to the VideoReQuest and feedback received from the VideoReQuest. For the purpose of simplicity, Serial and Ethernet communication will be referred to as Serial in this document. -
Page 8: Part 1: Ir Control
A RT ONTROL There are 2 ways to control the VideoReQuest via IR. The simplest method is to use a handheld remote aimed at the IR receiver on the front of the unit. For more advanced installations, there is a 1/8 inch mini jack on the rear of the unit for integration with IR based control systems. -
Page 9: Part 2: Serial/Ethernet Protocol
Pin (Control Side) C O M S e t t i n g s The rear serial port is used for integrating the VideoReQuest with a control system. These settings can be found by going to Menu Configuration Control Port on the VideoReQuest. -
Page 10: Communicating With The Videorequest
1+ Bytes Breakdown of Each Command Portion: Marker: The Marker bytes are ALWAYS FCh, A0h. These bytes tell the VideoReQuest the data that follows is valid. Command Type: The Command Type will almost always be 0Ah when sending commands to the VideoReQuest. -
Page 11: Flags
VideoReQuest Protocol Guide v1.1.2 - 5/18/04 Flags: The 2 flag bytes are used to tell the VideoReQuest whether you do or do not want to use certain features. Setting both to 00h turns off all options. Each byte is broken up into 8 bits. -
Page 12: Data Check Sum
Check Sum calculation. Lines: The Lines portion of the data section is a 1 byte value that tells the VideoReQuest how many lines of text you want to receive at once on the Browse and Chapters pages. Currently, the only supported value is 06h. -
Page 13: Data Commands
VideoReQuest Protocol Guide v1.1.2 - 5/18/04 D a t a C o m m a n d s : Command Description String Subtype Cursor Down Moves cursor down 1 line at a time Moves cursor left or moves back 1 level on Browse page. Acts as Rewind in Cursor Left DVD mode. -
Page 14: Examples Of Strings To Send
VideoReQuest Protocol Guide v1.1.2 - 5/18/04 E x a m p l e s o f S t r i n g s t o S e n d : Subtype 01h – Cursor Up: The command for Cursor Up is 03h. Send the following:... -
Page 15: Handling Feedback
Before the VideoReQuest will send feedback data, you must send a command to the VideoReQuest that initializes communication. See Initializing the Connection on Page 6 for more information. All feedback is formatted in the same manner as commands sent TO the VideoReQuest. In general, the format is as follows: HEADER... -
Page 16: Special Data Formats
The List Size, Page UP/DOWN Flags and Cursor Position for the Browse and Player pages are sent by the VideoReQuest in 1 string. The first 4 bytes of the string are the List Size, the next byte is the Page UP/DOWN Flag, and the final 2 bytes are for the Cursor Position. - Page 17 Ratings Actors Directors Player Detail Headers: The Player Detail Headers are sent by the VideoReQuest in 1 string, separated by the NULL character (00h). The data portion of the string would look similar to the following: Genres[00h]Cast[00h]Directors[00h]Plot Summary[00h] Phone (518) 899-1254 • Fax (518) 899-1251 •...
- Page 18 VideoReQuest Protocol Guide v1.1.2 - 5/18/04 Player Detail Text: The VideoReQuest will not send any Player Detail Text until it is requested to do so. Therefore, when you receive the Player Detail Headers, you should send one or more of the following commands to receive the Player Detail Text:...
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Page 19: Appendix A - The Gui
VideoReQuest Protocol Guide v1.1.2 - 5/18/04 A p p e n d i x A – T h e G U I This section shows what each portion of feedback is and where it is located on the TV Out GUI. - Page 20 VideoReQuest Protocol Guide v1.1.2 - 5/18/04 Figure 3 – The Player Details Page Phone (518) 899-1254 • Fax (518) 899-1251 • www.request.com 14 -...
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