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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.
Prepare
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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 ............................................
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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 BIN
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RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual Set Ephemeris – Message I.D.254...................................................................................................35 Development Data – Message I.D.255.............................................................................................35 iii
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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 us
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RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual REV-2000 1. Evaluation 3. RS232 Cable Power Core 2. BNC to MCX 4. Cable 5. GPS active antenna No. Items Specification Quantity Description PROVIDE POWER FOR GPS REV-2000 ENGINE BOARD AND CONVERT 1 68*88mm 1 Evaluation Board THE SIGNAL FROM TTL TO RS-232 CONNECTING TO PC. AC/DC ADAPTOR. THERE ARE AC 110V or 220V 2 Power Core 1 TWO TYPES OF ADPATOR, 110V 7.5V/1.0A/2.5mm/1.8M AND 220V. RS-232 C
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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: VBT Backup battery input 2.5V ~ 3.1V DC input CON20 REB-12R2 connector +6.5V ~ CON12 REB-2000/REB-2100 Power RESET switch BOOT jumper Open: Normal operation Power mode Short: Program upgrade jumper J1 Open: +5V Short: +3.3V P1 NMEA / SiRF protocol P2 DGPS RTCM-104 port port Connecting to PC/Laptop Powe
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RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual input range is from 2.5V ~ 3.1V DC. Setup procedure P1 (1) Plug the REB-12R2 on the CON20 This is NMEA/SiRF protocol output/input port. (2) Plug the active antenna into the external Please connect it to PC or Laptop RS-232 antenna connector. The suitable view port. angle of the active antenna is necessary. P2 Caution: Please do not put any metal This is DGPS input port. stuff on the antenna. CON12 (3) Connectin
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RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual PC COM1 (2) Choose the “Supplied Data” radio button. Click the “Instrument(Measured Data)” To operate REV-2000 check box. (3) Select the serial port, e.g. COM1. The Install the SiRFDemo.exe default baud rate of REB-2100 and Copy the SiRFDemo.exe from the CD-ROM Reb-12R2 is 9600bps. Click the OK. \Toolkit\SiRFDemo.exe to the destination path, (4) There are 6 menus on the menu bar: e.g. “c:\RoyakTek\RE
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RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual Connect/ Disconnect Signal Level Data Tracking Toggle button view source Tracking view Map Signal Level Map Development view “Map view”. (5) Click the “Signal level”, “Tracking”, “Map” (6) Check the View / Messages / buttons of the tool bar to enable the Development to enable the development “Signal level view”, “Tracking view” and view. 6
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RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual (7) Click the to start testing. : Initialize Data Source (8) The other buttons of tool bar are explained (9) After you click the , you can see the as follows: NMEA output on the development view. : Pause the data reception. :Log the data as a *.log file. To switch from NMEA to SiRF protocol Check Action / Switch to SiRF Protocol. 7
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RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual You could see the following screen after you switch to SiRF protocol. 12-Channel Signal Level Data: Information Displayed Description Satellite Number (SV) GPS satellite PRN number Status (St) Satellite status Azimuth (Az) Satellite azimuth (in degrees) Elevation (EI) Satellite elevation (in degrees) C/No Signal level (in dB-Hz) Signal Level (-5 sec) 5-second history Tracking view: used to calculate
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RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual development purpose not for user. Click the button to initialize data Map View: Demonstrate the GPS time, Latitude, Longitude, Altitude and source. It provides the cold start, warm Navigation mode etc. start and hot start test functions. The receiver initialization view is like follows: Initialize Data Source The definition of cold start, warm start and hot start is described as following table: Option Des
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RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual (2) After you select the “Switch to NMEA Protocol”, it will show up a “Select NMEA Messages” dialog. Select the NMEA Messages that you want to use. (3) Determine the update rate for each NMEA protocol/baud rate is set in REB-2100 or message REB-12R2, you can use this option to (4) Select the baud rate that you want to use synchronize protocol. Select the from the Baud Rate pull down menu. Action/Synchro
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RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual (1) Trickle power: In TricklePower mode, the can be provided quickly after power-up. power to is cycled periodically, so that it REB-2100 provides push to fix function operates only a fraction of the time. but it is disabled default. REB-12R2 does REB-2100 has the default trickle power not provide this function. parameters: OnPeriod: 300ms, Update It provides the trickle power operation in rate: 1 second. REB-12R
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RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual cycle is 200ms/1000ms = 20%. If the “Update the proper duty cycle that can compromise the Rate” is 2 sec and “On Time” is 300 ms, the power consumption and acceptable navigation duty cycle is 300ms/2000ms = 15%. The duty performance. The “ricklePower Prameters” cycle is limited to 5% ~ 50%. Since it will do dialog is shown as following picture. some estimation in trickle power, please tune Message I.D. 129” to
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RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual (7) Select the COM port. Keep the Baud rate memory. at 19200 for REB-2100 and 9600 for (10) When you finish upload, turn off the power. REB-12R2/R1. Keep the BOOT jumper open and turn on (8) If you want to upload program to power. It will run the new program that Reb-2100, please assert the GPS2 check uploaded into flash memory. box. But leave it unasserted for Reb-12R2/R1. (9) Click Upload to begin programming
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RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual Excellent sensitive for urban canyon Timing application and foliage environments. REB-12R Single satellite positioning. Automotive applications Dual multi path rejection. Personal positioning and navigation REB-12R Marine navigation OEM product development is fully Timing application supported through applications engineering and WEB technique forum. Technique description 12 parallel channels REB-2100 0.1
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RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual Pin 1 Pictures MMCX Pin REB-2100 System Block Diagram Active antenna Flash Memory 12 pins LNA SiRF SIRF GRF2I SAW Filter GSP2e 2
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RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual REB-12R Pin MCX REB-12R Block diagram Active antenna Flash memory SiRF 20 pins LNA GSP2e Hitachi SH1 Ceramic SIRF Filter GRF1/LX SRAM Snap start:2second, average Technique specifications Hot start 8second, average REB-2100. Warm start 45second, average Operational Characteristics. Cold start 60second, average 12 Channels Reacquisition:0.1 second, average L1
