RoyalTek GPS导航设备-RGM-3000/REB-3000说明书.pdf

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Operational Manual RGM-3000/REB-3000 Operational Manual Version 1.2 2002/4/25 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. A Company of Royal Group 1071, Chung Cheng Rd., Suite 9F-1 Tao Yuan City, Taiwan, R.O.C. TEL: 886-3-3569666 FAX: 886-3-3560900 E-Mail: sales@royaltek.com http://www.royaltek.com

RoyalTek RGM-3000/REB-3000 GPS Module Operational Manual) RoyalTek GPS Module: RGM-3000/REB-3000101 Operational Manual INTRODUCTION.........................................................................................................................................1 PRODUCT FEATURES ................................................................................................................................1 PRODUCT APPLICATIONS ...........................................................................................................................1 TECHNIQUE DESCRIPTION..........................................................................................................................1 PICTURE..................................................................................................................................................2 RGM-3000E.......................................................................................................................................2 RGM-3000L .......................................................................................................................................2 RGM-3000M ......................................................................................................................................2 REB-3000 ..........................................................................................................................................3 RGM-3000/REB-3000 SERIES SYSTEM BLOCK DIAGRAM..........................................................................3 TECHNIQUE SPECIFICATIONS......................................................................................................................5 RGM-3000/REB-3000 Mechanical Layout .........................................................................................6 HARDWARE INTERFACE .............................................................................................................................9 ABSOLUTE MAXIMUM RATINGS..................................................................................................................10 CRITICAL DESIGN GUIDE AND DIAGRAM......................................................................................................10 DESIGN LAYOUT DIAGRAM ...................................................................................................................... 11 NMEA V2.2 PROTOCOL.........................................................................................................................12 GGA-Global Positioning System Fixed Data....................................................................................13 GLL-Geographic Position – Latitude/Longitude ...............................................................................13 GSA-GNSS DOP and Active Satellites............................................................................................13 GSV-GNSS Satellites in View..........................................................................................................14 RMC-Recommended Minimum Specific GNSS Data.......................................................................14 VTG-Course Over Ground and Ground Speed................................................................................15 SIRF PROPRIETARY NMEA INPUT MESSAGES..........................................................................................16 SIRF NMEA Input Messages ...........................................................................................................17 Set Serial Port..................................................................................................................................17 Set DGPS Port.................................................................................................................................18 Query/Rate Control..........................................................................................................................18 LLA Navigation Initialization.............................................................................................................19 Development Data On/Off................................................................................................................19 Configure GPIO direction – Message I.D.108..................................................................................20 Calculating Checksums for NMEA Input ..........................................................................................21 SIRF BINARY PROTOCOL........................................................................................................................21 Initialize Data Source-Message I.D. 128..........................................................................................24 Switch To NMEA Protocol – Message I.D. 129................................................................................24 Set Almanac- Message I.D. 130 ......................................................................................................25 1

RoyalTek RGM-3000/REB-3000 GPS Module Operational Manual) DGPS Source – Message I.D. 133 ..................................................................................................26 Set Main Serial Port-Message I.D. 134............................................................................................27 Mode control – Message I.D .136 ....................................................................................................27 DOP Mask Control – Message I.D. 137...........................................................................................28 DGPS Control – Message I.D.138 ...................................................................................................28 Elevation Mask – Message I.D.139..................................................................................................29 Power Mask – Message I.D.140 ......................................................................................................29 Editing Residual – Message I.D.141................................................................................................29 Steady State Detection – Message I.D.142 .....................................................................................30 Static Navigation – Message I.D.144...............................................................................................30 Almanac – Message I.D.146............................................................................................................30 Ephemeris Message I.D.147............................................................................................................31 Switch To SiRF Protocol ..................................................................................................................31 Switch Operating Modes - Message I.D. 150...................................................................................31 Set Trickle Power Parameters - Message I.D. 151 ..........................................................................31 Computation of Duty Cycle and On Time.........................................................................................32 Push-to-Fix ......................................................................................................................................33 Poll Navigation Parameters - Message I.D. 152 ..............................................................................33 Set UART Configuration - Message I.D. 165 ...................................................................................33 Set Message Rate - Message I.D. 166 ............................................................................................34 Low Power Acquisition Parameters - Message I.D. 167 ..................................................................35 OUTPUT MESSAGES FOR SIRF BINARY PROTOCOL ...................................................................................35 Measured Tracker Data Out – Message I.D.4..................................................................................37 Raw Tracker Data Out – Message I.D.5 ..........................................................................................38 Calculation of Pseudo-Range Measurements..................................................................................40 Response :Software Version String – Message I.D.6....................................................................40 Response :Clock Status Data – Message I.D.7 ............................................................................41 50BPS Data – Message I.D.8 ..........................................................................................................41 CPU Throughput – Message I.D.9...................................................................................................42 Command Acknowledgment – Message I.D.11 ...............................................................................42 Command N Acknowledgment – Message I.D. 12...........................................................................42 Visible List – Message I.D.13...........................................................................................................43 Almanac Data – Message I.D.14 .....................................................................................................43 OkToSend - Message I.D. 18...........................................................................................................43 Navigation Parameters (Response to Poll) – Message I.D. 19 ........................................................44 Navigation Library Measurement Data - Message I.D. 28 ...............................................................45 Navigation Library DGPS Data - Message I.D. 29 ...........................................................................45 Navigation Library SV State Data - Message I.D. 30 .......................................................................46 2

RoyalTek RGM-3000/REB-3000 GPS Module Operational Manual) Navigation Library Initialization Data - Message I.D. 31...................................................................46 RoyalTek Navigation Data – Message I.D.100.................................................................................47 Set Ephemeris – Message I.D.254 ..................................................................................................48 Development Data – Message I.D.255 ............................................................................................48 GPS Receiver User’s Tip.................................................................................................................49 3

RoyalTek RGM-3000/REB-3000 GPS Module Operational Manual) RoyualTek GPS Module: RGM-3000/REB-3000 Operational Manual Introduction RGM-3000/REB-3000 is the third generation of RoyalTek GPS Receiver. RGM-3000(E,M) consists of active antenna and GPS receiver. REB-3000(or RGM-3000L) consists of GPS receiver without active antenna. The GPS receiver is powered by SiRF Star II technology and RoyalTek proprietary navigation algorithm that providing you more stable navigation data. The miniature design is the best choice to be embedded in a portable device like PDA, mobile phone, person locator and vehicle locator. It supports TricklePower function which can be enabled by external command for power saving. The excellent sensitivity of RGM-3000 gets the great performance when going though the urban canyon and foliage. Product Features RGM-3000/REB-3000 OEM product development is fully supported through applications engineering and WEB technique forum. Small form factor. 12 parallel channels 0.1 second re-acquisition time. Enhanced algorithm for navigation stability. NMEA-0183 compliant protocol/custom protocol. WAAS demodulator Excellent sensitive for urban canyon and foliage environments. Single satellite positioning. Dual multi path rejection. Data-log capability – At least 1 Mega-bits memory space will be implement in the product Product applications RGM-3000/REB-3000 Portable IA device for personal navigation/ position commerce (P-Commerce) Automotive applications Personal positioning and navigation Marine navigation Timing application Extendable I/O capability – provide programming I/O function and development tool kit for customer Technique description RGM-3000M, RGM-3000E General information. The RGM-3000 is a stamp size GPS receiver with an active antenna. It provides the antenna power through RF cable. The default DC input of active antenna is 2.8 ~3.3V. Since it needs 3 satellites or more to do the first position fix. The suitable view angle of the active antenna is necessary. It will determine the first time position update after getting good satellites geometry. If the satellites are blocked, it may take time to determine the position. Caution: Please do not put any metal stuff on the antenna. It results in GPS receiver getting nothing. In urban canyon, the fast 0.1 second re-acquisition capability can make it determine the position right away through the 1

RoyalTek RGM-3000/REB-3000 GPS Module Operational Manual) cross-intersection. REB-3000,RGM-3000L General Information. This is a stamp size GPS receiver without active antenna. It provides the external antenna power (2.8DCV ± 5%) through RF cable. There are 2 models for versatile antenna connectors: 1) RGM-3000L: with SMA RF cable. 3) REB-3000: with HRS type of antenna connector (male) which you can connect to versatile types of antenna. Picture RGM-3000E 2

RoyalTek RGM-3000/REB-3000 GPS Module Operational Manual) RGM-3000L RGM-3000M The cable length can be adjusted by customer’s requirement (standard:10cm) SMA connector 2

RoyalTek RGM-3000/REB-3000 GPS Module Operational Manual) REB-3000 RGM-3000/REB-3000 Series System Block Diagram The RGM-3000/REB-3000 series consists of SiRF star II chipsets technology, RoyalTek LNA and proprietary software. The system is described as follows. RGM-3000M/RGM-3000E Patch ANT LNA SAW Filter SIRF GRF2I Flash Memory SiRF GSP2e 3 RS232 port (TTL) x 2 Programming I/O port x 7 Control line x 4

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