RoyalTek REV-2000 Quick start guide

REV-2000 Operational Manual

RoyalTek Evaluation Kit

REV-2000 Operational Manual

Version 1.1

2001/7/4

This document contains information highly confidential to RoyalTek Company LTD (RoyalTek). It

is provided for the sole purpose of the business discussions between supplier and RoyalTek and

is covered under the terms of the applicable Non-Disclosure Agreements. Disclosure of this

information to other parties is prohibited without the written consent of RoyalTek.

Prepared by

RoyalTek Company LTD.

1071, Chung Cheng Rd., Suite 9F-1

Tao Yuan City, Taiwan, R.O.C.

TEL: 886-3-3569666

FAX: 886-3-3580050

E-Mail: sales@royaltek.com

http://www.royaltek.com

RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual

RoyalTek Evaluation Kit REV-2000 Operational Manual

INTRODUCTION .........................................................................................................................................1

Packing list .........................................................................................................................................1

GETTING STARTED ....................................................................................................................................3

To Setup REV-2000 ...........................................................................................................................3

Setup procedure.................................................................................................................................4

TO OPERATE REV-2000 ...........................................................................................................................5

Install the SiRFDemo.exe...................................................................................................................5

To use Sirfdemo.exe ..........................................................................................................................5

To switch from NMEA to SiRF protocol ..............................................................................................7

To switch from SiRF protocol to NMEA protocol.................................................................................9

To Synchronize Protocol...................................................................................................................10

To Switch Trickle Power Parameters from SiRFDemo.exe...............................................................10

To change TricklePower parameters of REB-2100 from 12 pins interface. ......................................12

To upgrade GPS engine board program ..........................................................................................12

PRODUCT FEATURES...............................................................................................................................13

PRODUCT APPLICATIONS..........................................................................................................................14

TECHNIQUE DESCRIPTION ........................................................................................................................14

REB-2100 System Block Diagram......................................................................................................2

REB-12R Block diagram ....................................................................................................................3

Technique specifications ....................................................................................................................3

ORDERING INFORMATION ...........................................................................................................................7

ABSOLUTE MAXIMUM RATINGS ..................................................................................................................10

SOFTWARE INTERFACE ............................................................................................................................10

NMEA V2.2 Protocol ........................................................................................................................10

GGA-Global Positioning System Fixed Data....................................................................................10

GLL-Geographic Position – Latitude/Longitude................................................................................11

GSA-GNSS DOP and Active Satellites ............................................................................................11

GSV-GNSS Satellites in View ..........................................................................................................12

RMC-Recommended Minimum Specific GNSS Data.......................................................................12

VTG-Course Over Ground and Ground Speed ................................................................................13

SIRF PROPRIETARY NMEA INPUT MESSAGES ..........................................................................................13

SIRF NMEA INPUT MESSAGES...............................................................................................................14

Set Serial Port ..................................................................................................................................14

LLA Navigation Initialization .............................................................................................................14

Set DGPS Port .................................................................................................................................15

Query/Rate Control ..........................................................................................................................15

RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual

LLA Navigation Initialization .............................................................................................................16

Development Data On/Off................................................................................................................16

Calculating Checksums for NMEA Input ..........................................................................................17

SIRF BINARY PROTOCOL ........................................................................................................................17

INPUT MESSAGES FOR SIRF BINARY PROTOCOL .......................................................................................18

Initialize Data Source-Message I.D. 128 ..........................................................................................18

Switch To NMEA Protocol – Message I.D. 129 ................................................................................19

Set Almanac- Message I.D. 130.......................................................................................................20

Software Version – Message I.D. 132 ..............................................................................................20

Mode control – Message I.D .136.....................................................................................................21

DOP Mask Control – Message I.D. 137 ...........................................................................................21

DGPS Control – Message I.D.138....................................................................................................22

Elevation Mask – Message I.D.139..................................................................................................22

Power Mask – Message I.D.140 ......................................................................................................23

Steady State Detection – Message I.D.142......................................................................................23

Static Navigation – Message I.D.144 ...............................................................................................23

Set DGPS Serial Port – Message I.D 145 ........................................................................................24

Almanac – Message I.D.146 ............................................................................................................24

Ephemeris Message I.D.147 ............................................................................................................24

Switch To SiRF Protocol...................................................................................................................25

Switch Operating Modes - Message I.D. 150 ...................................................................................25

Set Trickle Power Parameters - Message I.D. 151...........................................................................25

Computation of Duty Cycle and On Time. ........................................................................................26

Push-to-Fix.......................................................................................................................................26

Poll Navigation Parameters - Message I.D. 152...............................................................................27

OUTPUT MESSAGES FOR SIRF BINARY PROTOCOL....................................................................................27

Measure Navigation Data Out – Message I.D.2 ...............................................................................27

Measured Tracker Data Out – Message I.D.4 ..................................................................................29

Raw Tracker Data Out – Message I.D.5...........................................................................................30

Calculation of Pseudo-Range Measurements ..................................................................................31

Response :Software Version String – Message I.D.6 ....................................................................32

Response :Clock Status Data – Message I.D.7.............................................................................32

50BPS Data – Message I.D.8 ..........................................................................................................33

CPU Throughput – Message I.D.9 ...................................................................................................33

Command Acknowledgment – Message I.D.11................................................................................34

Command N Acknowledgment – Message I.D. 12...........................................................................34

Visible List – Message I.D.13 ...........................................................................................................34

Almanac Data – Message I.D.14......................................................................................................35

RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual

iii

Set Ephemeris – Message I.D.254...................................................................................................35

Development Data – Message I.D.255.............................................................................................35

RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual

Introduction

REV-2000 is an evaluation kit for RoyalTek GPS engine board series, REB-12R2/R6/ REB-2000/

REB-2001.It is convenient to test the GPS performance,cold start / warm start / hot start,position

update and so on by using the REV-2000. REV-2000 helps you understand the operation and

performance of Royaltek’s GPS engine boards in a couple of minutes. It can also provide you design

the OEM products that use RoyalTek’s GPS engine boards.

Packing list

The evaluation kit contains follows:

RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual

No. Items Specification Quantity Description

1 REV-2000

Evaluation Board 68*88mm 1

PROVIDE POWER FOR GPS

ENGINE BOARD AND CONVERT

THE SIGNAL FROM TTL TO

RS-232 CONNECTING TO PC.

2 Power Core AC 110V or 220V

7.5V/1.0A/2.5mm/1.8M 1

AC/DC ADAPTOR. THERE ARE

TWO TYPES OF ADPATOR, 110V

AND 220V.

3 RS232 Cable 9pin/1.5M 1

RS-232 CABLE CONNECTING

EVALUATION BOARD WITH PC.

4 RF Extension Cable

(Optional) 150mm 1

RF EXTENSION CABLE FOR MCX

TO BNC. IF YOU ORDER THE

MMCX ANTENNA FOR REB-2000,

YOU DON’T NEED TO ORDER

THIS EXTENSION CABLE. PLEASE

CONTACT

SALES@ROYALTEK.COM FOR

FURTHER INFORMATION.

5 GPS active antenna 5M 1 GPS ACTIVE ATENNA.

6 GPS receiver

(Optional) REB-12R or REB-2000

THERE ARE TWO KINDS OF GPS,

REB-12R AND REB-2000 SERIES.

PLEASE SELECT THE DESIRED

ON.

REV-2000

Evaluation

Power Core BNC to MCX

Cable

RS232 Cable

GPS active

antenna

RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual

Getting started

To Setup REV-2000

The interface of REV-2000 is shown as follows:

Power mode jumper J1

The power core of REV-2000 is 110V AC/ 7.5V

DC adaptor. It converts the 110 AC to DC.

RoyalTek can also provide you 220V AC power

core. Beware of the AC power of your office

and tell RoyalTek’s sales person for preparing

the correct power code for you.

REV-2000 provides 3 power modes on borad,

3.3V and 5V. JP1: Open for +5V, Short for 3.3V.

The 3.3V is for REB-2000/ REB-2100. The 5V

is for REB-12R2.

BOOT jumper

The BOOT jumper is for program upgrade. It

shall be kept open for normal operation. When

the BOOT is short, the GPS engine board is

waiting for program upgrade and output

nothing when running SiRF demo program.

Please refer the program upgrade session for

program update.

DC input

The power input can be DC input instead of

using AC power core. The input range of the

DC input is from 6.5V ~ 12V. We suggest

you use +7.5V as the DC input.

Reset

It is used for external reset.

VBT

This is for RAM backup power of

REB-2000/REB-2100 and REB-12R2. The

VBT

Backup battery input 2.5V ~ 3.1V

BOOT jumper

Open: Normal operation

Short: Program upgrade

Power mode

jumper J1

Open: +5V

Short: +3.3V

DC input

+6.5V ~

Power RESET switch

CON20 REB-12R2 connector

CON12 REB-2000/REB-2100

P1 NMEA / SiRF protocol

port

Connecting to PC/Laptop

P2 DGPS RTCM-104 port

RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual

input range is from 2.5V ~ 3.1V DC.

This is NMEA/SiRF protocol output/input port.

Please connect it to PC or Laptop RS-232

port.

This is DGPS input port.

CON12

This is the socket for REB-2000/REB-2100.

Please refer the hardware interface section

for the pin assignment.

CON20

This is the socket for REB-12R2. Please

refer the hardware interface section for the

pin assignment.

Setup procedure

(1) Plug the REB-12R2 on the CON20

(2) Plug the active antenna into the external

antenna connector. The suitable view

angle of the active antenna is necessary.

Caution: Please do not put any metal

stuff on the antenna.

(3) Connecting the RS-232 cable between

REV-2000 P1 and PC.

(4) Plug the power core. (or connecting the

DC power input, 6.5V ~ 12V)

After you finish setup, it is like as follows:

Active

GPS antenna

PC COM1 or COM2

RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual

To operate REV-2000

Install the SiRFDemo.exe

Copy the SiRFDemo.exe from the CD-ROM

\Toolkit\SiRFDemo.exe to the destination path,

e.g. “c:\RoyakTek\REV-2000\Demo.exe”. Add

a shortcut of SiRFdemo.exe on the desktop of

Windows 98.

To use Sirfdemo.exe

(1) Double click the SiRFdemo.exe.

(2) Choose the “Supplied Data” radio button.

Click the “Instrument(Measured Data)”

check box.

(3) Select the serial port, e.g. COM1. The

default baud rate of REB-2100 and

Reb-12R2 is 9600bps. Click the OK.

(4) There are 6 menus on the menu bar:

Setup, View, Action, Navigation, Poll and

Window.

PC COM1

RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual

(5) Click the “Signal level”, “Tracking”, “Map”

buttons of the tool bar to enable the

“Signal level view”, “Tracking view” and

“Map view”.

(6) Check the View / Messages /

Development to enable the development

view.

Signal Level

Tracking

Map

Data

source

Connect/

Disconnect

Toggle button

Signal Level

view

Development view Map

Tracking view

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